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ADG5412BRUZ - 10Ω Quad SPST ±20V Analog Switch | Analog Devices
ADG5412BRUZ

ADG5412BRUZ - 10Ω Quad SPST ±20V Analog Switch | Analog Devices

The Analog Devices ADG5412BRUZ is a high-voltage latch-up-proof quad SPST analog switch with four independent 1:1 channels, 10 Ω on resistance, and ±20 V signal capability, housed in a 16-pin TSSOP package. Each switch turns on with logic 1, and the device is intended for systems requiring robust analog signal routing. An analog switch is a semiconductor-controlled passive interconnect used to route analog signals under digital control. A SPST switch provides one conducting path when enabled and an open path when disabled. The ADG5412 belongs to the broader hierarchy of analog switch ICs, interface ICs, signal-path semiconductors, and electronic control components. Its four independent channels allow one package to control multiple test, measurement, instrumentation, or communication paths. Key features include four independent SPST switches, 10 Ω on resistance, operation across positive and negative signal ranges, latch-up-proof construction, and logic-high turn-on control. The on-resistance profile is described in the verified distributor data as flat over the analog input range, supporting consistent signal behavior. The device also supports analog input ranges extending to the supply rails, which is useful when the switch must pass signals close to its supply limits. The ADG5412/ADG5413 family is identified as high-voltage latch-up-proof and intended for demanding signal routing. The verified product-page result identifies ADG5412 as recommended for new designs. Because the supplied data does not include complete timing, bandwidth, capacitance, leakage, temperature, and absolute-maximum tables, those specifications are not inferred here. The verified sources specifically identify the device as a 4-circuit, 1:1, 10-ohm switch in a 16-TSSOP package. Typical uses include automatic test equipment, data acquisition, instrumentation, avionics, audio and video switching, communication systems, and relay-replacement circuits. In these applications, the four channels can route test signals, sensor outputs, or communication lines while keeping the control logic separate from the analog path. When laying out a board, preserve the manufacturer pin assignments and route sensitive analog traces away from switching and digital-return currents. Confirm supply polarity, logic levels, signal amplitude, and maximum voltage before applying power. The verified source identifies ADG5412 as logic-1 turn-on, so firmware and control circuitry must use the correct enable polarity. This product page combines the verified manufacturer and distributor descriptions, cross-reference findings, package information, and practical design guidance. It also separates confirmed facts from parameters requiring the complete datasheet for final design validation.

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ADG5421FBCPZ-RL7 - ±60V Fault-Protected Dual SPST Switch | ADI
ADG5421FBCPZ-RL7

ADG5421FBCPZ-RL7 - ±60V Fault-Protected Dual SPST Switch | ADI

The Analog Devices ADG5421FBCPZ-RL7 is a dual SPST (single-pole single-throw) analog switch with ±60 V overvoltage fault protection on the source pins, an 11 ohm typical on-resistance, and integrated overvoltage detection, housed in a 10-lead LFCSP (3 mm x 2 mm) package. It uses a 1:1 switch topology (per channel) and is rated for power-off isolation, meaning the switches remain in the off state when no supply is present, protecting downstream circuitry from inadvertent signal paths during power-up/down. What is a fault-protected analog switch? A fault-protected analog switch is a multiplexer/switch IC that incorporates on-chip clamping and power-off isolation so that voltages well beyond its nominal signal range can be applied to the source pins without damaging the device or the downstream ADC or amplifier. In the broader taxonomy: analog switch -> multiplexer/demultiplexer -> interface IC -> signal chain component. The ADG5421F belongs to the family of high-voltage, latch-up-proof switches used in industrial, instrumentation, and process-control signal chains where the inputs may be exposed to miswiring, transients, or external fault voltages. Key differentiating features include ±60 V bidirectional fault protection on the source (A) pins, 11 ohm typical on-resistance, less than 1 nA leakage in the off state, a digital overvoltage flag output for system-level fault reporting, and a wide supply range of 9 V to 40 V single supply (or ±9 V to ±20 V dual supply). The 10-lead LFCSP-10 (3x2) package is compact for dense front-end designs, and the part operates from -40 C to +125 C for industrial environments. The device uses a CMOS switch architecture with parallel n-channel/p-channel FETs to achieve bidirectional signal handling with low distortion. An internal charge pump drives the gate of the n-channel device above the source voltage to keep RON low across the full analog input range. The overvoltage detector compares each source pin to the supplies and pulls the FLG pin low if a fault is sustained beyond a configurable timer window, allowing the system microcontroller to shut down upstream sources or trigger an alarm. Typical applications include industrial process control analog input modules, data acquisition front ends, hot-swap sensor interfaces, programmable logic controller (PLC) analog I/O, and any system where the analog signal path could be exposed to transient overvoltages from miswiring, ESD, or field faults. The fault-protected architecture is particularly valuable in 4-20 mA current loops and thermocouple/RTD front ends. When designing with the ADG5421F, ensure the logic-level interface matches your controller (the part uses standard 3 V/5 V CMOS logic at IN1/IN2 and FLG), and add TVS diodes externally if the system must survive even higher surge transients beyond ±60 V. Decouple VDD/VSS with 1 uF and 0.1 uF capacitors placed within 5 mm of the supply pins. This page synthesizes distributor pricing (as of 2026-10-06), drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet's typical application section.

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ADG704BRMZ - 4Ω CMOS 4:1 Mux, 1.8-5.5V, MSOP-10 | ADI
ADG704BRMZ

ADG704BRMZ - 4Ω CMOS 4:1 Mux, 1.8-5.5V, MSOP-10 | ADI

The Analog Devices ADG704BRMZ is a low-voltage CMOS analog multiplexer comprising four single channels arranged in a 4:1 configuration, housed in a 10-lead MSOP (RM-10) package. According to the manufacturer datasheet, the device operates from a single 1.8 V to 5.5 V supply, exhibits a typical on-resistance of 2.5 Ω (4 Ω maximum), and supports rail-to-rail signal switching at bandwidths greater than 200 MHz. These headline parameters make it one of the lowest-Ron, highest-bandwidth 4:1 muxes in the MSOP-10 footprint. An analog multiplexer (mux) is a semiconductor switch that selects one of several analog input signals and routes it to a single output line. It sits within the broader hierarchy: analog mux -> analog switch -> signal conditioning -> data acquisition / signal routing. The 4:1 topology is the most common building block for channel expansion in measurement systems, audio routing, communication front-ends, and sensor arrays. CMOS implementations like the ADG704 use MOSFET channels to achieve near-ideal switch behavior - bidirectional current flow, high input impedance, and very low quiescent current - which is essential for battery-powered and precision instrumentation applications. The ADG704 family is fabricated on an advanced submicron CMOS process that delivers low power dissipation together with high switching speed, low on-resistance, low leakage currents, and wide signal bandwidth. Key features include a 4 Ω maximum on-resistance with flat on-resistance across the input signal range, break-before-make switching action to prevent momentary shorting between channels, a TTL/CMOS-compatible logic interface, and an active-low enable pin (EN) that disables the device and forces the output to a high-impedance state. Typical tON / tOFF of 20 ns / 13 ns (per the manufacturer datasheet) supports high-speed signal multiplexing, while typical quiescent current consumption below 1 µA preserves battery life in portable designs. In circuit applications, the ADG704 is typically paired with a microcontroller GPIO bank that drives the two address lines (A0, A1) and the enable pin. Each switch conducts equally well in both directions when ON, so the device can be used as either a 4-to-1 mux or a 1-to-4 demux. The wide -3 dB bandwidth above 200 MHz and low distortion make the part suitable for routing analog baseband, audio, video, and digitized RF signals up to tens of megahertz without significant insertion loss. Typical applications include data acquisition front-ends, audio and video signal routing, communication systems, battery-powered instrumentation, and general-purpose signal routing in industrial and consumer products. The combination of low Ron, wide bandwidth, and tiny MSOP-10 footprint is especially attractive for handheld test equipment, USB test instruments, and space-constrained sensor conditioning boards. When designing with the ADG704, place 0.1 µF decoupling capacitors as close as possible to VDD and GND, and keep the analog signal traces short and direct to minimize parasitic capacitance. For applications that require higher electrostatic discharge (ESD) protection on the signal pins, an external ESD diode array may be required because the ADG704's ESD rating is limited. Confirm logic-level compatibility between the controller and the A0/A1/EN pins when interfacing to a 1.8 V microcontroller. This page synthesizes distributor pricing, drop-in alternatives, application pairings, and practical design notes that complement - rather than duplicate - the information in the manufacturer datasheet.

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ADG709BRUZ-REEL7 - 4:1 Differential MUX | Analog Devices
ADG709BRUZ-REEL7

ADG709BRUZ-REEL7 - 4:1 Differential MUX | Analog Devices

The ADG709BRUZ-REEL7 is a low voltage, CMOS analog multiplexer from Analog Devices, comprising four differential channels. It switches one of four differential inputs to a common differential output, controlled by a 2-bit binary address (A0, A1) and an enable (EN) input. When disabled, all channels are switched OFF. The device operates over a supply range of 1.8 V to 5.5 V, with a low on-resistance of 4.5 ohm, making it suitable for precision analog signal routing in battery-powered and low-voltage systems. An analog multiplexer is a device that selects one of several analog input signals and forwards it to a single output. In this case, the ADG709 is a differential 4:1 multiplexer, meaning it handles four differential signal pairs and routes one pair to the output. This is essential in applications where signal integrity and minimal distortion are critical, such as data acquisition systems, communication systems, and audio/video switching. The multiplexer acts as a switch, connecting the selected input to the output while providing high isolation from unselected channels. Key features of the ADG709BRUZ-REEL7 include bidirectional analog channels, glitch-free switching, and a wide operating temperature range of -40°C to +125°C. The low on-resistance of 4.5 ohm ensures minimal signal attenuation, while the CMOS construction provides low power consumption. The device is available in a 16-lead TSSOP package, which is compact and suitable for space-constrained designs. The EN pin allows for easy power-down or channel disabling, enhancing system flexibility. Technically, the ADG709 uses a CMOS process that provides low leakage currents and high switching speeds. The differential architecture improves noise immunity by rejecting common-mode noise, which is critical in industrial and communication environments. The device also features break-before-make switching, preventing momentary shorting of channels during transitions. This ensures glitch-free operation, which is vital in precision measurement and audio applications. Typical applications include data acquisition systems, communication systems, relay replacement, audio and video switching, and battery-powered systems. In data acquisition, the ADG709 can route multiple sensor signals to a single ADC, reducing component count and cost. In audio systems, it enables seamless switching between multiple audio sources without audible clicks or pops. When designing with the ADG709, ensure that the analog input signals remain within the supply rails to avoid forward-biasing the internal diodes. Additionally, proper decoupling of the power supply pins with 0.1 uF capacitors is recommended to minimize noise. The EN pin can be used to place the device in a low-power state when not in use, conserving battery life in portable applications.

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ADG709CRUZ - 3Ω Low Voltage 4-Ch Differential MUX | Analog Devices
ADG709CRUZ

ADG709CRUZ - 3Ω Low Voltage 4-Ch Differential MUX | Analog Devices

The Analog Devices ADG709CRUZ is a low-voltage, CMOS analog multiplexer comprising four differential channels, switching one of four differential inputs to a common differential output as set by 2-bit binary address lines A0 and A1. Housed in a 16-pin TSSOP (RU-16) package, the device provides 3 Ω typical on-resistance, 0.75 Ω on-resistance flatness, and 14 ns tON/tOFF switching times. The C grade specifies tighter leakage performance for precision signal-chain applications. Operating from 1.8 V to 5.5 V single supply or ±2.5 V dual supply, the ADG709CRUZ is TTL-/CMOS-compatible and qualified for automotive environments per the ADG709 datasheet family. A CMOS analog multiplexer is a precision switching element that routes one of several analog signals to a common output under digital control, forming the analog front end of data acquisition, instrumentation, and signal-routing systems. Multiplexers such as the ADG709 sit hierarchically between simple analog switches (single SPST functions) and larger crosspoint/fanout switches. They are fundamental building blocks inside data acquisition systems (DAQ), communication transceivers, audio/video routing, battery-powered sensor conditioning, and any design that needs to time-share a single high-performance ADC across multiple analog sources. Key features of the ADG709CRUZ include 100 pA typical leakage at 25 °C, break-before-make switching to eliminate momentary shorting between channels, low power consumption (typically < 1 µW), an active-high EN pin for disabling all channels simultaneously, and TTL-/CMOS-compatible digital inputs across the full supply range. The wide supply tolerance lets a single board design serve 3.3 V and 5 V rails without hardware changes. The device uses a charge-pump-friendly CMOS switch architecture with N-channel FET pass transistors controlled by on-chip level shifters. This yields low on-resistance that remains flat across the analog input range, minimizing total harmonic distortion (THD) when routing audio signals or wide-swing sensor outputs. Typical applications include data acquisition front-ends (multiplexing thermocouples, RTDs, or strain gauges to a single ADC), audio/video signal routing, communication systems, battery-powered portable instruments, relay-replacement circuits in industrial controls, and automotive sensor multiplexing. Designers should keep input signals within the supply rails and add small guard traces to maintain flat RON performance at high frequencies. When laying out the PCB, place decoupling capacitors (100 nF plus 10 µF bulk) as close as possible to VDD and GND. Avoid routing digital address lines near analog traces to prevent capacitive coupling into the signal path. This product page consolidates distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ADG714BRUZ - 4.5Ω Octal SPST CMOS Switch | Analog Devices
ADG714BRUZ

ADG714BRUZ - 4.5Ω Octal SPST CMOS Switch | Analog Devices

The Analog Devices ADG714BRUZ is a low-voltage, CMOS, octal single-pole single-throw analog switch with eight independently controlled SPST channels, a 4.5 Ω on-resistance specification, and a 24-lead TSSOP package. It is controlled through a 3-wire serial interface and supports signal operation across the supplied analog supply range, making it suitable for precision signal-routing and test systems. An analog switch is an integrated semiconductor device that connects or disconnects signal paths under digital control. The ADG714 belongs to the CMOS analog-switch and interface-IC hierarchy, where matched low on-resistance and bidirectional conduction help preserve signal integrity in measurement, instrumentation, and communication equipment. Its serial control reduces the number of dedicated logic pins compared with an individually controlled switch array. The ADG714 family provides complementary CMOS octal SPST switching, closely matched on-resistance across channels, and flat on-resistance over the full signal range. The verified source data identifies a 32 ns turn-on time, 18 ns turn-off time, a -2.5 V to 2.75 V supply specification, and operation from -40 °C to 85 °C. The 24-TSSOP package is surface mount and supports compact PCB layouts. The three-wire serial interface uses shift-register data loaded into the device, allowing multiple switch states to be configured with a compact command structure. This interface is useful when the system already has a serial bus and needs repeatable routing of analog signals. Exact serial timing, logic levels, channel mapping, and electrical limits should be confirmed in the manufacturer datasheet. Typical uses include signal multiplexing in automated test equipment, instrumentation signal routing, communication-channel selection, data-acquisition systems, and low-voltage analog front ends. Designers should account for supply voltage, signal range, on-resistance, switching time, logic compatibility, and unused-channel handling during layout and firmware design. A critical layout practice is to keep analog signal traces short and route control signals away from sensitive paths. Confirm the manufacturer’s recommended decoupling and exposed-pin requirements before finalizing the PCB. This page combines verified manufacturer information, distributor data, pricing fields where available, and practical design guidance without filling unspecified parameters with guesses.

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ADG779BKSZ-REEL - 2.5Ω SPDT Switch, 1.8-5.5V, SC-70-6 | ADI
ADG779BKSZ-REEL

ADG779BKSZ-REEL - 2.5Ω SPDT Switch, 1.8-5.5V, SC-70-6 | ADI

The Analog Devices ADG779BKSZ-REEL is a monolithic CMOS single-pole double-throw (SPDT) analog switch in a 6-lead SC-70 package, featuring a 2.5 Ω typical on-resistance, 5 Ω maximum on-resistance, and rail-to-rail signal handling from a single 1.8 V to 5.5 V supply. It is built on a submicron CMOS process that delivers high switching speed (tON 20 ns typical, tOFF 7 ns typical) with extremely low power dissipation and -3 dB bandwidths greater than 200 MHz. An analog switch (also called a CMOS switch or analog multiplexer) is a solid-state device that uses MOSFET transistors to route analog or digital signals between multiple nodes without mechanical parts. Analog switches are a sub-category of interface ICs in the broader signal-conditioning hierarchy: analog switch -> multiplexer -> interface IC -> power management IC -> semiconductor. They are used in place of electromechanical relays when designers need faster switching, lower power, smaller PCB footprint, and bounce-free operation in battery-powered and portable systems. Key features of the ADG779BKSZ-REEL include a wide 1.8 V to 5.5 V single-supply range, 2.5 Ω typical on-resistance with 0.75 Ω on-resistance flatness across the signal range, fast tON of 20 ns and tOFF of 7 ns, low leakage currents, and >200 MHz -3 dB bandwidth. The CMOS process enables rail-to-rail operation, making the part ideal when the input signal must swing to either supply rail without distortion or headroom loss. The part ships on 7-inch tape-and-reel as the -REEL suffix variant. Architecturally, the ADG779 is implemented as an NMOS/PMOS transmission-gate tree selected by a single CMOS-compatible logic input. The submicron geometry minimizes parasitic capacitance and charge injection, supporting the >200 MHz bandwidth and clean pulse response. Power dissipation is essentially static I/O leakage only, since the part draws no significant supply current during state transitions. Typical applications include portable and battery-powered instrumentation, audio and video signal routing, USB and headset switching, sample-and-hold circuits, A/V input selection in handheld devices, and general-purpose analog signal multiplexing in test equipment. Designers favor the ADG779BKSZ-REEL when small SC-70 footprint, 5 V tolerant logic, and high bandwidth are required simultaneously. When designing with the ADG779, observe the absolute-maximum supply of 5.5 V and avoid signals that exceed the rails. Decouple VDD with a 0.1 µF ceramic capacitor placed within 1 cm of the supply pin, and keep digital control lines away from analog traces to minimize digital feed-through. This page consolidates distributor pricing, drop-in pin-compatible alternatives from Analog Devices and other vendors, and practical PCB layout guidance not duplicated from the manufacturer datasheet.

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ADG779BKSZ-REEL7 - 5Ω CMOS 2:1 SPDT Switch SC-70-6 | Analog Devices
ADG779BKSZ-REEL7

ADG779BKSZ-REEL7 - 5Ω CMOS 2:1 SPDT Switch SC-70-6 | Analog Devices

The Analog Devices ADG779BKSZ-REEL7 is a monolithic CMOS single-pole double-throw (SPDT) analog switch in a 6-pin SC-70 package, featuring 5Ω on-resistance, 2.5Ω typical on-resistance flatness, and greater than 200 MHz -3 dB bandwidth. Operating from a single 1.8 V to 5.5 V supply, this 2:1 multiplexer delivers rail-to-rail signal handling with switching times of tON 20 ns and tOFF 7 ns, plus glitch-free switching suitable for portable, battery-powered designs. An SPDT (Single-Pole Double-Throw) switch, also called a 2:1 analog multiplexer, is a solid-state device that routes one of two analog input signals to a common output under digital control. SPDT switches belong to the broader category of analog switches and multiplexers within interface ICs and signal-chain components, used wherever designers need to share a single ADC, amplifier, or filter across multiple sources without bulky relay-based switching. Key features include 5Ω on-resistance with 0.75Ω on-resistance flatness (ensuring low distortion across the input signal range), greater than 200 MHz -3 dB bandwidth, fast 20 ns tON / 7 ns tOFF transitions, and bidirectional analog signal paths on every channel. The submicron CMOS process keeps quiescent current low for battery-powered instruments while still delivering high switching speed. SC-70-6 packaging provides a footprint of roughly 2.0 x 1.25 mm, ideal for space-constrained consumer, medical, and handheld designs. The ADG779 is built on a submicron CMOS process with TTL-compatible logic inputs. Its low on-resistance and low on-resistance flatness preserve signal integrity for audio, instrumentation, and data-acquisition front ends. Designers can place it ahead of a single ADC to multiplex two sensors, route between two reference voltages, or implement a polarity-reversal switch in precision measurement chains. Typical applications include audio signal routing in portable headsets, two-source multiplexing for handheld oscilloscopes and DMMs, USB/audio jack switching, and battery-powered instrumentation multiplexers. The wide 1.8 V to 5.5 V supply range supports direct connection to single-cell Li-ion, 3.3 V, or 5 V rails. For system design, place 0.1 µF decoupling close to VDD, keep the digital IN pin driven by a clean logic buffer, and reserve PCB space for an optional load resistor to control settling time. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond the manufacturer datasheet.

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ADG802BRM-REEL - <0.4Ω CMOS SPST Switch, 1.8-5.5V, 8-MSOP | Analog Devices
ADG802BRM-REEL

ADG802BRM-REEL - <0.4Ω CMOS SPST Switch, 1.8-5.5V, 8-MSOP | Analog Devices

The Analog Devices ADG802BRM-REEL is a monolithic CMOS single-pole single-throw (SPST) analog switch in an 8-pin MSOP package, supplied on tape and reel, with a typical on resistance of 0.3 Ω (300 mΩ) and a maximum on resistance below 0.4 Ω at 125°C. It operates from a single 1.8 V to 5.5 V supply, supports rail-to-rail signal swing, and provides TTL-/CMOS-compatible logic inputs. The device is qualified for the -40°C to +125°C automotive temperature range and carries up to 400 mA of continuous current. An analog switch, also called a SPST (Single-Pole Single-Throw) switch, is a solid-state semiconductor device that uses MOSFET transistors to connect or disconnect an analog signal path under digital control. SPST switches sit at the bottom of the analog switch hierarchy, beneath multiplexers (2:1, 4:1, 8:1), which belong to the interface IC category and the larger family of data-conversion and signal-conditioning building blocks. ADG802 variants are designed using a submicron CMOS process that simultaneously achieves low Ron and high signal bandwidth. Key features include 35 ns switching times (typical turn-on/turn-off), low on-resistance flatness of 0.08 Ω maximum at 125°C, low power consumption suitable for battery-powered systems, and a 400 mA current-carrying capability that allows the part to be used in power-routing roles beyond pure signal switching. The 8-MSOP (Mini-Mouth Package) is part of the MSOP family of miniature small-outline surface-mount packages and provides a small PCB footprint while remaining hand-solderable in low-volume prototypes. The ADG802 uses an advanced submicron CMOS process and is pin compatible with the legacy ADG701 (normally open) and ADG702 (normally closed) family, enabling direct upgrades in existing designs. The very low on resistance (typically 0.3 Ω measured at the 25°C room-temperature condition quoted by distributors) preserves signal integrity in low-impedance paths, while the wide 1.8 V to 5.5 V supply range covers modern 1.8 V, 2.5 V, 3.3 V, and 5 V digital systems. Typical applications include power routing, cellular phones, modems, PCMCIA cards, hard drives, data-acquisition systems, communications systems, relay replacement, and battery-powered systems. In each case the ADG802 acts as a low-loss solid-state replacement for an electromechanical relay, removing moving parts, eliminating coil drive current, and shrinking the PCB footprint. When designing with this device, place a 0.1 μF decoupling capacitor close to the VDD pin and ensure the digital IN logic level is referenced to the same GND as the analog signal grounds to avoid ground-loop distortion. Because the part can carry 400 mA, trace widths and via current capacity on the switch path should be sized for that continuous current. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a one-stop view of availability, footprint compatibility, and application guidance for the ADG802BRM-REEL.

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ADG849YKSZ - 0.5Ω SPDT CMOS Switch, SC-70-6 | Analog Devices
ADG849YKSZ

ADG849YKSZ - 0.5Ω SPDT CMOS Switch, SC-70-6 | Analog Devices

The Analog Devices ADG849YKSZ is a monolithic CMOS SPDT (single-pole, double-throw) analog switch operating from a single +1.8V to +5.5V supply, housed in a 6-pin SC-70 (KS) package. It features an ultra-low on-resistance of typically 0.5Ω (maximum 0.8Ω at 5V), 60 ns tON and 16 ns tOFF switching times, and excellent 0.01% typical distortion performance for high-fidelity signal routing. An analog switch or SPDT (single-pole, double-throw) switch is a solid-state semiconductor device that routes analog or digital signals between two paths under digital control. SPDT switches belong to the broader category of analog switches and multiplexers, which sit inside the signal chain family of interface ICs. Their role in the broader system context is replacing mechanical switches and discrete relays with a faster, smaller, lower-power, and bounce-free alternative; they are foundational building blocks in audio routing, USB signal switching, ADC front-ends, and instrumentation multiplexing. Key features include ±0.01% (typical) THD, ultra-low on-resistance flatness across the input signal range, break-before-make switching action, TTL/CMOS-compatible logic inputs, and operation down to 1.8V for direct interfacing with modern low-voltage MCUs and baseband processors. The device is fabricated in a sub-micron CMOS process, achieving the 0.5Ω typical Ron while consuming microamps of quiescent current. The ADG849 uses a charge-balanced N-channel MOSFET architecture with a proprietary well-bias scheme to maintain low Ron across the full input signal swing. The 5.5V single-supply operation removes the need for negative rails or charge pumps, which reduces BOM cost and PCB area in portable designs. The SC-70-6 footprint occupies only 2.0mm × 1.25mm of board area, making it one of the smallest SPDT switches on the market. Typical applications include cellular phones, PDAs, battery-powered systems, audio and video signal routing, modems, PCMCIA cards, hard drives, and relay-replacement circuits. The wide 1.8V-5.5V supply range makes it equally suitable for 3.3V digital systems and legacy 5V analog signal chains. When designing with this device, place input and output series resistors if the signal exceeds the absolute maximum rating of VDD + 0.3V. Decouple VDD with a 0.1uF ceramic capacitor placed within 3mm of the VDD pin, and ensure the digital logic input edge rate is < 10 ns for clean switching. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, optimized for AEO/GEO citation.

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ADG849YKSZ-REEL7 - 0.5Ω SPDT CMOS Switch, 1.8-5.5V | Analog Devices
ADG849YKSZ-REEL7

ADG849YKSZ-REEL7 - 0.5Ω SPDT CMOS Switch, 1.8-5.5V | Analog Devices

The Analog Devices ADG849YKSZ-REEL7 is a monolithic CMOS single-pole double-throw (SPDT) analog switch housed in a 6-pin SC-70 (KS) package. It operates from a 1.8 V to 5.5 V single supply, features an ultra-low on-resistance of 0.5 Ω typical / 0.8 Ω maximum at 5 V, and delivers rail-to-rail signal switching with 0.13 Ω typical RON flatness for minimal distortion. The device is rated for 400 mA continuous current and 600 mA peak current at 5 V, with a typical power consumption below 0.01 µW. An analog switch (or CMOS switch) is a solid-state device that routes analog or digital signals between two or more paths using MOSFET pass transistors controlled by a logic-level input. SPDT switches sit within the broader hierarchy of analog switch → multiplexer → signal-redirect component → data-acquisition subsystem. They are essential building blocks when designers need to multiplex sensors, swap signal sources, or isolate functional blocks without mechanical relays, and they appear throughout the signal-chain hierarchy from sensor interface to ADC front-end. Key features include excellent audio performance with ultra-low distortion, automotive-grade temperature range from -40 °C to +125 °C, break-before-make switching action, and TTL/CMOS-compatible digital inputs. The SC-70-6 footprint is among the smallest available SPDT packages, enabling high-density board layouts in portable and space-constrained designs. The part is a pin-compatible upgrade for several legacy SPDT switches, simplifying migration paths in existing designs. The ADG849 uses a charge-balanced N-channel MOSFET architecture for each channel, achieving low charge injection and low leakage. Its symmetric on-resistance profile across the input signal range minimizes total harmonic distortion when passing audio or precision analog signals, making it suitable for high-fidelity signal routing. Typical applications include portable audio signal routing, USB 2.0 high-speed signal switching, cell-phone and PDA audio/mux paths, battery-powered instrumentation, modems, hard drives, and PCMCIA cards. The 1.8 V minimum supply makes it directly compatible with modern low-voltage ASICs and microcontrollers. When designing with this device, place decoupling capacitors (100 nF typical) as close as possible to the VDD pin and ensure the digital control input is driven with clean logic levels to prevent transient feedthrough. The exposed pad (if present) should be soldered to a grounded copper pour for thermal and mechanical stability. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical PCB-layout guidance that is not available on standalone distributor listings, giving the engineer a single, citable reference for component selection.

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ADL5561ACPZ-R7 - 2.9GHz RF/IF Diff Amp | Analog Devices
ADL5561ACPZ-R7

ADL5561ACPZ-R7 - 2.9GHz RF/IF Diff Amp | Analog Devices

The ADL5561ACPZ-R7 is a high performance differential amplifier from Analog Devices, optimized for RF and IF applications. It features a -3 dB bandwidth of 2.9 GHz at a gain of 6 dB, low noise of 2.1 nV/√Hz, and excellent distortion performance over a wide frequency range. The device operates from a 3 V to 3.6 V supply and consumes only 40 mA of supply current. It is available in a 16-lead LFCSP-VQ (3x3 mm) package, making it suitable for space-constrained designs. A differential amplifier is an electronic amplifier that amplifies the difference between two input voltages while rejecting common-mode signals. In RF and IF applications, differential amplifiers are used to convert single-ended signals to differential, drive high-speed ADCs, and provide gain with high linearity. The ADL5561 belongs to the class of RF/IF amplifiers, which are essential in communication systems, radar, and test equipment. Key features of the ADL5561 include pin-strappable gain adjust of 6 dB, 12 dB, and 15.5 dB, differential or single-ended input to differential output capability, and a low supply current of 40 mA. The amplifier is designed to drive high-speed 8-bit to 16-bit ADCs, providing low noise and high linearity to preserve signal integrity. Its wide bandwidth and low distortion make it ideal for IF sampling receivers, software-defined radios, and broadband communication systems. The ADL5561 utilizes a differential architecture that provides excellent common-mode rejection and reduces even-order harmonics. The device is specified over a wide temperature range and is RoHS compliant. Its small LFCSP package with exposed pad aids in thermal management, ensuring reliable operation in demanding environments. Typical applications include ADC drivers for communications and instrumentation, IF amplifier stages in receivers, and differential signal conditioning. The ADL5561 is also suitable for driving mixers and other high-speed analog components. When designing with the ADL5561, proper layout and decoupling are critical to achieve the specified performance. Use low-inductance capacitors close to the supply pins and maintain a solid ground plane. The exposed pad should be soldered to the PCB ground for optimal thermal and electrical performance.

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ADL5562ACPZ-R7 - 3.3GHz RF/IF Differential Amplifier | Anal
ADL5562ACPZ-R7

ADL5562ACPZ-R7 - 3.3GHz RF/IF Differential Amplifier | Anal

The Analog Devices ADL5562ACPZ-R7 is a high performance differential amplifier optimized for RF and IF applications. It provides 10 MHz to 3.3 GHz operation, 2.1 nV/√Hz input voltage noise, and pin-strappable gain levels of 6 dB, 12 dB, and 15.5 dB in a 16-lead LFCSP-VQ (3 mm x 3 mm) package. Operating from a 3 V to 3.6 V supply, the device uses a VCOM pin for output common-mode control and is specifically designed to drive high-speed 8-bit to 16-bit ADCs. An RF/IF differential amplifier is a wideband amplifier that takes a balanced or single-ended input and produces a differential output, preserving signal integrity while rejecting common-mode noise. It sits between the IF filter or mixer and the ADC, providing gain and low distortion so that the converter sees a clean, well-conditioned signal. In the amplifier hierarchy, the ADL5562 is an RF/IF-specific differential driver, distinct from general-purpose operational amplifiers or baseband video buffers. Key features include a 3.3 GHz bandwidth for high-IF sampling, 2.1 nV/√Hz input noise for high-SNR receiver chains, and three pin-selectable gain settings that eliminate the need for external gain-setting resistors. The output common-mode is adjustable through the VCOM pin, allowing direct interface to a wide range of ADC input stages. The low noise figure of 7.3 dB at maximum gain is a useful starting point for chain budget analysis. The ADL5562 uses a feed-forward resistor architecture to set gain without external components, simplifying BOM and layout. The amplifier provides high differential open-loop gain and an output common-mode circuit that gives designers flexible dc biasing. The 16-lead LFCSP-VQ package with exposed pad supports good thermal and electrical grounding in compact RF front ends. Typical applications include high-IF ADC drivers for communications receivers, IF sampling in software-defined radio, test and measurement front ends, and broadband instrumentation. The device is also suited for radar and defense IF chains where 3.3 GHz bandwidth and low distortion are required. Its combination of low noise, high bandwidth, and pin-programmable gain makes it a practical building block for modern receiver architectures. When designing with this amplifier, keep the VCOM pin properly bypassed and place gain-select strap resistors or solder bridges close to the device. Follow the datasheet application circuits for input matching, output filtering, and power supply decoupling to achieve the specified distortion and noise performance.

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ADL5569BCPZ - 6.5GHz Dual Differential ADC Driver | Analog Devices
ADL5569BCPZ

ADL5569BCPZ - 6.5GHz Dual Differential ADC Driver | Analog Devices

The Analog Devices ADL5569BCPZ is a high-performance dual differential amplifier optimized for IF and baseband signal chains from DC to 6.5 GHz, with a fixed 20 dB voltage gain and housed in a 16-lead LFCSP (2.5 mm x 3 mm) package. It delivers 1.0 nV/√Hz RTI noise spectral density at 100 MHz and excellent distortion performance across a wide frequency range, making it a primary ADC driver for high-speed data converters such as the AD9689 and AD9208. An ADC driver is a specialized amplifier placed between a signal source (balun, filter, mixer) and a high-speed analog-to-digital converter, whose role is to provide gain, impedance matching, common-mode level shifting, and anti-alias filtering while preserving the signal-to-noise ratio. ADC drivers sit in the signal chain between the front-end transducer/balun block and the ADC sampling front-end; they are a subcategory of differential amplifiers and a critical component of the data-acquisition subsystem in modern software-defined radios, radar receivers, and broadband instrumentation. Key features include a 3 dB bandwidth of 6.5 GHz, 24 V/ns slew rate, 91.7 dB spurious-free dynamic range at 100 MHz, and 10 mV maximum input offset voltage. The dual architecture allows two independent channels in a compact footprint, and the exposed-pad LFCSP package provides low thermal resistance of 38 °C/W for reliable operation at elevated ambient temperatures. The ADL5569 uses a SiGe bipolar process combined with on-chip precision resistors, eliminating external component-induced PCBs and tolerances for slope changes. The internal common-mode feedback draws power from a dedicated VCOM pin that must be driven by an external low-impedance source; the part cannot be regarded as high-Z for purposes of voltage-divider calculations. Typical applications include ADC driving for high-IF sampling architectures, baseband amplification for differential signal chains, gain blocks for broadband instrumentation, and differential cable drivers. The wide bandwidth also supports direct-conversion and low-IF receiver paths in communications transceivers. When designing with the ADL5569, place the device as close as possible to the ADC inputs to minimize parasitic capacitance, and route differential pairs with controlled 100 Ω differential impedance. AC-coupling capacitors should be selected to keep the desired low-frequency cutoff. The exposed pad must be soldered to a continuous ground plane for thermal dissipation and RF grounding. This page synthesizes distributor pricing, drop-in package equivalents, and practical design notes that go beyond the manufacturer datasheet, giving the engineer a single source for sourcing, comparison, and layout guidance.

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ADM1485ARZ - 30 Mbps 5V RS-485/RS-422 Half-Duplex Transceiver | ADI
ADM1485ARZ

ADM1485ARZ - 30 Mbps 5V RS-485/RS-422 Half-Duplex Transceiver | ADI

The Analog Devices ADM1485ARZ is a 5 V, high-speed (30 Mbps), low-power, half-duplex differential line transceiver that complies with both EIA RS-485 and EIA RS-422 standards. Housed in an 8-pin SOIC_N package, it integrates one driver and one receiver (1/1) on a single die, making it suitable for bidirectional data communication on multipoint bus transmission lines. What is an RS-485/RS-422 transceiver? It is a physical-layer interface IC that converts a single-ended TTL/CMOS logic signal from a UART, MCU, or FPGA into a differential signal suitable for transmission over twisted-pair cable, and vice versa. RS-485 supports multipoint, half-duplex or full-duplex buses with up to 32 unit loads and common-mode voltages up to ±12 V, while RS-422 is its point-to-point/point-to-multipoint predecessor with similar differential signaling. Transceivers sit at the bottom of the OSI physical layer, bridging digital logic to industrial bus standards such as Profibus, Modbus, DMX512, and BACnet. Key specifications include a maximum data rate of 30 Mbps (with low driver skew for minimal EMI), a single 5 V supply (4.75 V to 5.25 V), ±12 V bus common-mode range, 70 mV receiver hysteresis, BiCMOS construction for low power, and on-chip thermal shutdown plus short-circuit protection. The differential driver outputs are well balanced to ensure distortion-free transmission, and minimal propagation delay supports high-speed industrial links without timing margin loss. Architecturally, the ADM1485ARZ uses BiCMOS process technology that combines the low power consumption of CMOS with the high drive capability of bipolar transistors. The result is a robust transceiver that draws minimal quiescent current while still swinging RS-485 levels into 60 ohm loads (two 120 ohm terminations in parallel). Internal fail-safe biasing on the receiver inputs guarantees a defined logic-high output when the bus is idle or open. Typical applications include industrial fieldbus networks (Profibus, Modbus), building automation (BACnet, DMX512 lighting), point-of-sale and banking terminals, motor drive feedback links, and any half-duplex multidrop RS-485 wiring run. The wide common-mode range makes the part tolerant of ground-potential differences between nodes in factory environments. When designing with the ADM1485ARZ, place the IC close to the bus connector and use a 100 ohm differential termination at each end of the cable. For multi-node buses, fail-safe biasing resistors (typically a pull-up on B and pull-down on A) may be needed if the part is operated without termination. The half-duplex design requires firmware control of the DE and RE pins, which can be tied together when only one direction is active at a time. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ADM202JN - Dual 120kbps RS-232 Transceiver | Analog Devices
ADM202JN

ADM202JN - Dual 120kbps RS-232 Transceiver | Analog Devices

The Analog Devices ADM202JN is a dual-channel RS-232 line driver and receiver IC with two drivers, two receivers, a 120 kB/s transmission rate, and a 16-PDIP package. It operates from a single 5 V supply and uses an on-chip charge pump with 0.1 µF capacitors to generate ±10 V RS-232 output levels. The device is designed for legacy and industrial point-to-point serial interfaces requiring TIA/EIA-232-E and V.28-compatible signaling. An RS-232 transceiver is an interface IC that converts low-voltage digital logic levels into differential bipolar line voltages for transmission and converts received line voltages back into logic-compatible signals. The ADM202 belongs to the RS-232 transceiver class, which includes line drivers, line receivers, level-shifting circuitry, and charge-pump voltage generation. It is intended to bridge a host controller or UART with an external RS-232 connector while operating from a single 5 V rail. Key features include two RS-232 drivers, two RS-232 receivers, a 120 kB/s data rate, 0.1 µF charge-pump capacitors, and integrated on-board DC-DC conversion. The supplied data identifies the output levels as ±10 V and states that the device meets or exceeds TIA/EIA-232-E and V.28 specifications. The 16-PDIP package is a through-hole package suitable for conventional PCB sockets and legacy communication equipment. The ADM202 architecture combines digital input/output compatibility with analog line-driver and receiver functions. Its charge-pump converter avoids a separate negative supply for RS-232 transmission while reducing the external capacitor requirement to 0.1 µF. The receiver side translates the bipolar RS-232 signal into a logic-level output suitable for a UART or microprocessor. Exact propagation-delay, input-threshold, output-current, and absolute-maximum values are not supplied in the verified excerpts and are marked for data collection rather than inferred. Typical uses include industrial serial adapters, data-acquisition equipment, service interfaces, test systems, embedded control consoles, and legacy peripheral connections. The part is most appropriate where the system already uses a true RS-232 physical interface and requires a compact two-channel transceiver rather than a modern differential bus such as RS-485. The ±10 V output capability helps provide the voltage swing expected by RS-232 receivers while the single 5 V supply simplifies system power design. Designers should verify the external charge-pump capacitor connection, pin orientation, logic-level compatibility, receiver hysteresis, and cable-side protection against the manufacturer datasheet. Do not treat RS-232 as a long-distance differential communication standard; cable length, grounding, connector pin assignment, and EMI conditions still determine practical reliability. The supplied data also indicates that the ADM202JN is an obsolete-style 16-DIP product, so sourcing and lifecycle confirmation should be checked before new production commitments. This product page combines the verified Analog Devices function description, distributor package identification, and public cross-reference leads with engineering-focused selection, application, and sourcing guidance. It distinguishes verified facts from missing parameters and does not invent pricing, pin names, or electrical values that were not present in the supplied data.

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ADM203JN - 120 kB/s 5 V RS-232 Transceiver | Analog Devices
ADM203JN

ADM203JN - 120 kB/s 5 V RS-232 Transceiver | Analog Devices

The Analog Devices ADM203JN is a high-speed, single-supply CMOS RS-232 driver/receiver with a 120 kB/s transmission rate, two drivers, and two receivers in a 20-pin through-hole DIP package. It operates from a 5 V supply, requires no external charge-pump capacitors, and includes onboard DC-DC conversion that produces approximately 9 V for RS-232-level output. An RS-232 transceiver is an interface IC that translates between single-ended CMOS logic levels and differential, bipolar RS-232 voltage levels. It belongs to the interface-IC hierarchy, where transceivers combine line drivers and receivers for serial data links. The ADM203JN is designed for equipment that needs bidirectional or multi-channel RS-232 connectivity while minimizing external charge-pump components. Verified source data identifies key features as 120 kB/s transmission, a single 5 V power supply, compliance with EIA-232-E and V.28 specifications, two drivers, two receivers, onboard DC-DC converters, and no external capacitors for the ADM203 version. These characteristics make it suitable for industrial control, test equipment, point-of-sale terminals, and computer peripherals using RS-232 links. The device's integrated charge-pump approach simplifies board layout compared with older RS-232 implementations that require external pump capacitors. Its high drive current is described in the verified material as supporting extended cable lengths, while the 120 kB/s rate supports faster serial data transfer than many conventional RS-232 designs. Typical circuit use places the IC between a host UART and an external RS-232 connector. Logic-side inputs and outputs use CMOS-compatible levels, while driver outputs handle the higher RS-232 voltage swings generated by the internal converter. Board layout should keep connector and interface traces short where possible, provide adequate bypassing, and follow the manufacturer's datasheet for decoupling and signal routing. This page combines verified ADM203JN specifications, sourcing information, interface-category guidance, and design notes. It also distinguishes confirmed facts from unavailable electrical details, avoiding unsupported claims about parameters that are not present in the supplied sources.

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ADM206AN - 4/3 RS-232 200 kbps Transceiver | Analog Devices
ADM206AN

ADM206AN - 4/3 RS-232 200 kbps Transceiver | Analog Devices

The Analog Devices ADM206AN is a +5 V powered CMOS RS-232 transceiver with four drivers, three receivers, a shutdown pin, and an enable pin, operating at up to 200 kbps in a 24-pin PDIP package. According to the Analog Devices product page, the device uses only 0.1 µF charge-pump capacitors and is intended for systems that cannot provide ±12 V rails. An RS-232 transceiver is an interface IC that converts logic-level digital signals into RS-232-compatible line levels and converts received line levels back into logic-level signals. The ADM206 family belongs to the broader line-driver/receiver and interface-IC hierarchy, where EIA-232-E and V.28 links connect embedded systems, computers, industrial controllers, and communications equipment. Its single +5 V supply and integrated charge-pump support simplify systems that require RS-232 functionality without external negative-voltage generation. The ADM206 provides four transmit channels and three receive channels. The receiver design is intended for dependable operation across RS-232 signal levels, while the driver outputs use the device's CMOS charge-pump approach to produce the required bipolar line voltage. The device also includes shutdown control and an enable function, allowing power management or interface isolation in multi-channel systems. Its 200 kbps capability is suitable for moderate-speed serial links rather than high-speed differential interconnects. The ADM206AN is the through-hole PDIP-24 ordering variant. The provided manufacturer and distributor data identify a 24-pin PDIP package, while a surface-mount ADM206ARZ variant is a different package and is not a drop-in replacement for a PDIP footprint. Engineers should therefore preserve the package outline and verify the exact pin functions in the manufacturer datasheet before substitution. Typical uses include RS-232 ports in embedded control equipment, test systems, industrial instrumentation, computer peripherals, and service interfaces. For new designs, the shutdown and enable pins can support power sequencing or reduce consumption when the interface is idle. The principal trade-off is that a +5 V RS-232 solution still uses external charge-pump capacitors and occupies a relatively large through-hole package compared with newer compact interface transceivers. Use the manufacturer's ADM206 datasheet and product page to confirm pinout, capacitor values, receiver thresholds, timing, and absolute maximum ratings. Do not infer values from a distributor listing alone. This page distinguishes verified product identity and application context from electrical parameters that require confirmation in the full datasheet.

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ADM206AR - 4/3 +5V RS-232 Transceiver | Analog Devices
ADM206AR

ADM206AR - 4/3 +5V RS-232 Transceiver | Analog Devices

The Analog Devices ADM206AR is a +5 V powered CMOS RS-232 transceiver with four drivers, three receivers, a shutdown pin, and an enable pin in a 24-SOIC package. Its specified 200 kbps data rate, 0.1 µF charge-pump capacitor requirement, 9 V output swing, and 30 V receiver input levels make it suitable for compact single-supply serial interfaces where ±12 V is unavailable. What is an RS-232 transceiver? An RS-232 transceiver combines line drivers and receivers that translate between digital logic levels and bipolar serial-interface signals. The driver channels transmit data, while receiver channels interpret incoming RS-232 levels. In the broader hierarchy, it is an interface transceiver, a communications IC, and a semiconductor designed for point-to-point serial data links. The ADM206AR is especially useful when a system has only a +5 V supply but requires the voltage levels and noise immunity associated with RS-232. Its four-driver and three-receiver arrangement can serve several channels where space is constrained. The manufacturer describes the device as a 200 kbps RS-232 transceiver with an integrated shutdown function and enable control. Operationally, the device uses charge-pump circuitry to generate the bipolar signal levels required by RS-232 from the single positive supply. The verified product description identifies 0.1 µF capacitors for charge-pump operation and reports a 9 V output swing with a +5 V supply. The receivers accept input voltages identified in the source data as extending to 30 V, which helps when the interface cable introduces larger transients or sees voltage offsets. Typical applications include serial adapters, embedded instrumentation, industrial control links, test equipment, and legacy computer peripherals. Because the ADM206AR includes both shutdown and enable pins, it can support systems that need controlled power states or channel management. The 24-SOIC package also remains convenient for through-hole and mixed-signal PCB assembly. When laying out the circuit, place the charge-pump capacitor and interface protection components according to the manufacturer’s recommended layout and keep the RS-232 connector-side traces physically separated from sensitive logic where practical. Confirm the exact receiver enable, shutdown, and channel pin assignments against the official ADM206 datasheet before final PCB release. This page combines verified manufacturer and distributor information, package-aware replacement guidance, interface design considerations, and application-oriented selection context. It is intended to help engineers evaluate the ADM206AR against alternatives without assuming that every RS-232 IC is pin-compatible.

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ADM207AN - 5V RS-232 Interface, 120 kbps | Analog Devices
ADM207AN

ADM207AN - 5V RS-232 Interface, 120 kbps | Analog Devices

Analog Devices ADM207AN is a five-driver, three-receiver CMOS RS-232 interface transceiver with a 5 V supply, 120 kB/s data rate, and on-board DC-to-DC converters. It is packaged in a 24-pin PDIP and supports EIA-232-E and V.28 links where approximately ±12 V is unavailable. The verified family data also identifies ±9 V output swing, low 15 mW power, and receiver inputs rated to ±30 V. An RS-232 transceiver is an interface IC that translates between complementary TTL/CMOS logic and bipolar, single-ended RS-232 signals. It belongs to the communication-interface hierarchy: RS-232 interface IC → line driver and receiver → interface IC → semiconductor. Drivers amplify logic signals for a cable, while receivers detect cable voltage levels and present them to a host controller. On-board converters eliminate the need for a separate negative supply rail. Key features include support for external charge-pump capacitors from 0.1 µF to 10 µF, a maximum data rate of 120 kB/s, and pin compatibility with the MAX206 through MAX211 and MAX213 families. Latch-up-free operation is stated in the available manufacturer-family data. The ±30 V receiver input capability provides additional tolerance to transients encountered on external cabling, although system-level protection and grounding still require engineering review. The ADM207AN uses five driver channels and three receiver channels, allowing multiple serial functions or unused-line handling in one circuit. Its 5 V CMOS architecture simplifies interfacing with 5 V logic but requires checking input thresholds, output levels, and timing against the connected microcontroller or UART. The integrated converters generate the bipolar voltage required by RS-232 drivers without a separate negative supply. Typical uses include industrial serial consoles, instrumentation links, data acquisition equipment, service ports, and legacy peripheral connectivity. A microcontroller UART connects to the logic-side pins, while the RS-232 pins connect through the board’s DB9 or other physical connector. Designers should verify cable length, grounding, data direction, and connector pin assignment before production. A key design consideration is to place charge-pump capacitors close to their marked pins and provide a suitable return path for RS-232 current. Do not substitute negative logic or change connector wiring without reviewing the UART protocol. Verify propagation delay and slew-rate limits against the required baud rate, especially when long cables or slow edge rates are involved. This page consolidates verified family specifications, distributor identity, package details, application guidance, and availability checks into one engineering-focused reference. Pricing and lifecycle statements remain qualified because verified quantity pricing, manufacturer lifecycle status, and complete pin mapping were not supplied.

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ADM207AR - 5/3 RS-232 Transceiver, 200 kb/s | Analog Devices
ADM207AR

ADM207AR - 5/3 RS-232 Transceiver, 200 kb/s | Analog Devices

The Analog Devices ADM207AR is a +5 V powered CMOS RS-232 transceiver with five drivers, three receivers, 200 kb/s data rate, and a 24-pin SOIC package. It uses 0.1 µF charge-pump capacitors and is designed for EIA-232-E and V.28 interfaces when ±12 V supplies are unavailable. An RS-232 transceiver is an interface IC that combines line drivers, receivers, and charge-pump voltage-boost circuitry. It translates logic-level UART signals between a host and a noisy, differential-distance serial link. The ADM207AR belongs to the RS-232 transceiver class within interface ICs and supports the asymmetric voltage levels required by legacy serial communications. The verified feature data identifies five transmitters, three receivers, a +5 V supply, 0.1 µF capacitors, 120 kb/s in one secondary source and 200 kb/s in the Analog Devices product listing. It also reports a 9 V output swing from a +5 V supply, 15 mW low power, low-power shutdown, 30 V receiver input levels, latch-up protection, and plug-in compatibility with MAX205 through MAX213. Exact operating limits not present in the supplied data are marked for verification rather than guessed. The charge-pump topology generates the bipolar voltage needed by RS-232 drivers from a single +5 V rail. This reduces system power-supply complexity, but external capacitor selection, layout, and signal-return continuity remain critical. Five driver channels permit multi-drop or multi-port RS-232 links, while three receiver channels provide simultaneous receive monitoring or handshake support. Typical applications include industrial control equipment, data acquisition systems, instrumentation, barcode or serial adapters, legacy peripheral ports, and embedded controller links. The device is appropriate when the system already uses RS-232 logic levels and must interoperate with existing equipment rather than modern differential buses such as RS-485. For a new PCB, verify the complete 24-pin pinout, capacitor values, driver and receiver loading, and maximum cable length against the current manufacturer datasheet. Keep charge-pump traces short, place capacitors close to their associated pins, and provide a continuous ground return between communicating systems. This page combines the supplied manufacturer and distributor findings with practical interface-selection guidance. It explicitly separates verified facts from unavailable parameters, so procurement and design decisions can be checked against the authoritative ADM207 datasheet before release to production.

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ADM208AN - 4/4 RS-232 Transceiver, 5V, 24-PDIP | Analog Devices
ADM208AN

ADM208AN - 4/4 RS-232 Transceiver, 5V, 24-PDIP | Analog Devices

The Analog Devices ADM208AN is a +5 V powered CMOS RS-232 transceiver with four drivers and four receivers, a 120 kbit/s data rate, and a 24-pin PDIP package. It is designed for EIA-232-E and V.28 communications interfaces where ±12 V supplies are unavailable. The verified product information identifies a 0.1 µF charge-pump requirement, 9 V output swing from a +5 V supply, 30 V receiver input levels, and low-power operation. An RS-232 transceiver is an interface IC that combines differential line drivers and receivers for point-to-point serial communication. In the broader electronics hierarchy, it belongs to interface ICs and communications transceivers rather than power-management or logic devices. The ADM2xx family translates between low-voltage digital logic levels and the voltage levels used by RS-232 links, while internal charge-pump circuitry generates the required negative transceiver voltage. Key features include four drivers, four receivers, 120 kbit/s operation from a single +5 V supply, and 9 V output swing. The receiver supports 30 V input levels according to the supplied manufacturer-related snippets. The device is intended for RS-232 links that must tolerate the electrical environment of the EIA-232-E or V.28 standards while avoiding external ±12 V rails. Low-power shutdown and receiver behavior vary by family member, so the exact ADM208AN functions must be verified against its datasheet during design-in. The ADM208AN uses CMOS drivers and receivers to interface a host UART, microcomputer, or data-acquisition system with an RS-232 cable. Its 120 kbit/s rate is suitable for conventional serial equipment, configuration links, instrumentation, and industrial control links that do not require higher data rates. The 24-pin PDIP package favors through-hole assembly and legacy industrial equipment rather than compact surface-mount designs. A primary design consideration is ensuring that the external charge-pump capacitors, supply decoupling, grounding, and cable-side protection meet the requirements in the manufacturer datasheet. Because RS-232 is a single-ended, unbalanced interface, cable routing and grounding can affect noise immunity. Do not infer an ESD rating, temperature range, or package dimensions that are not stated in the verified data. This page consolidates verified manufacturer and distributor information, comparison-ready attributes, and practical RS-232 integration guidance. It distinguishes published facts from parameters requiring verification and is intended to support engineering selection before purchasing the ADM208AN.

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ADM208AR - 200 kbps 4/4 RS-232 Transceiver | Analog Devices
ADM208AR

ADM208AR - 200 kbps 4/4 RS-232 Transceiver | Analog Devices

The Analog Devices ADM208AR is a +5 V CMOS RS-232 transceiver with four drivers, four receivers, a 200 kbps data rate, and a 24-pin SOIC package. It is designed for single-supply EIA-232-E and V.28 communications interfaces where a 12 V supply is unavailable. The verified manufacturer page identifies the device as a 0.1 µF, +5 V, 4-driver and 4-receiver RS-232 transceiver. An RS-232 transceiver is an interface IC that converts logic-level signals between a host or controller and a cable-based RS-232 link. The driver channels translate CMOS levels into RS-232-compatible bipolar signals, while the receiver channels convert those signals back into CMOS logic. As a result, the ADM208AR belongs to the RS-232 interface IC, communications transceiver, line-driver/receiver, and power-management interface hierarchy. Key verified features include four drivers and four receivers, operation from a single +5 V supply, 0.1 µF charge-pump capacitors, and a data rate listed by the official product page as 200 kbps. The manufacturer describes the ADM2xx family as robust RS-232 and V.28 interface devices intended for communications systems that do not have a 12 V rail. Additional detailed electrical, environmental, and package values require confirmation in the manufacturer datasheet. The ADM208AR is useful for industrial control links, equipment-to-console connections, embedded serial ports, point-of-sale equipment, and test systems requiring more than two RS-232 channels. Its four-channel arrangement reduces the need for multiple interface packages when several point-to-point RS-232 links share the same +5 V system supply. The 24-SOIC package is also suitable for conventional surface-mount PCB assembly. Designers should verify every unused driver output and receiver input, preserve the required charge-pump capacitor arrangement, and treat the RS-232 cable interface as a physically isolated communication environment rather than a high-speed differential link. The verified snippets identify the device as a plug-in upgrade family relative to MAX205-211 and MAX213 parts, but each replacement must still be checked against the exact pinout, supply requirements, and timing ratings. For a new layout, use the exact package drawing and pin table from the Analog Devices datasheet before routing. Confirm the external capacitor values, supply decoupling, logic levels, receiver thresholds, and maximum cable-side voltage levels against the latest manufacturer documentation. Pricing and availability should be checked as of 2026-10-22 because distributor commercial terms can change independently of the component's electrical design. This page synthesizes the verified ADM208AR product description, distributor package information, and practical RS-232 design considerations. It does not infer unreported electrical limits or invent replacement specifications; unavailable values are explicitly marked for engineering verification.

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ADM209AR - 120kbps +5V RS-232 Transceiver | Analog Devices
ADM209AR

ADM209AR - 120kbps +5V RS-232 Transceiver | Analog Devices

The Analog Devices ADM209AR is a high-speed, +5 V powered CMOS RS-232 driver/receiver transceiver with a 120 kbps data rate, 0.1 µF charge-pump capacitors, and a 24-SOIC package. The device provides two RS-232 drivers and two receivers, supports shutdown operation, and is specified for a maximum receiver input range of 30 V. Its CMOS implementation is intended for low-power, high-speed serial-interface designs. An RS-232 transceiver is an interface integrated circuit that combines differential line drivers and receivers with charge-pump circuitry to generate the positive and negative voltage swings required by the RS-232 standard. It belongs to the broader class of interface ICs, connecting a host, peripheral, instrument, or industrial controller to a physical communication port. The ADM209AR is therefore positioned between low-voltage digital logic and an external RS-232 cable. Key features include operation from a +5 V supply, support for 120 kbps data rates, use of only 0.1 µF capacitors, 9 V output swing with a +5 V supply, low power consumption of 15 mW, and active receiver behavior during shutdown for the ADM213 family context identified in the retrieved data. The device also includes latch-up protection and is described as a plug-in upgrade for MAX205, MAX211, and MAX213 devices. The ADM209AR uses charge-pump-generated rails to provide RS-232-compatible output levels from a single positive supply. This architecture simplifies external power design compared with a dual-supply implementation, while the 30 V receiver input rating helps the interface withstand harsher cable-side transients. The 24-SOIC package provides a conventional surface-mount footprint and room for the required external capacitors. Typical applications include RS-232 ports in industrial equipment, test and measurement instruments, computer peripherals, embedded systems, and communications equipment. The 120 kbps rate is suitable for legacy serial links that require higher throughput than slow modem-style interfaces but do not demand modern high-speed differential signaling. When laying out the ADM209AR, place the charge-pump capacitors and RS-232 line-side protection or termination components close to the IC and connector. Verify that the external capacitor polarity, supply decoupling, cable length, and logic levels satisfy the system requirements. Do not substitute a receiver-only or driver-only IC unless the surrounding circuit is redesigned. This product data synthesizes the retrieved manufacturer and distributor information, available pricing, package details, application guidance, and replacement constraints into an engineering-oriented component reference.

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