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AD7324BRUZ-REEL - 12-Bit+Sign 4-CH Bipolar SAR ADC | TSSOP-16
AD7324BRUZ-REEL

AD7324BRUZ-REEL - 12-Bit+Sign 4-CH Bipolar SAR ADC | TSSOP-16

The Analog Devices AD7324BRUZ-REEL is a 4-channel, 12-bit plus sign, successive-approximation analog-to-digital converter (SAR ADC) fabricated on the proprietary iCMOS (industrial CMOS) process, which combines high-voltage silicon with submicron CMOS and complementary bipolar technologies. Housed in a 16-pin TSSOP package (RU-16), the device accepts software-selectable true-bipolar analog inputs and achieves throughput rates up to 1 MSPS through its high-speed serial interface, making it well suited for industrial process control, instrumentation, and motor-control feedback paths where large common-mode swings and high channel density must be acquired simultaneously. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous analog voltages and converts them into discrete binary codes for processing by digital logic. Successive-approximation ADCs use an internal DAC and a comparator to binary-search the input one bit at a time, achieving a balance between speed (MSPS), resolution (bits), and die area. The "12-bit plus sign" architecture adopted by the AD7324BRUZ-REEL adds a sign bit to the 12-bit magnitude, effectively presenting 13-bit bipolar data with an external reference, and slots this converter family between unipolar SAR ADCs and high-resolution delta-sigma converters in the broader data-converter hierarchy. Key features of the AD7324BRUZ-REEL include software-configurable input ranges covering ±10 V, ±5 V, 0 V to 10 V, and 0 V to 5 V on each channel, an external reference input (REFIN) that allows true-bipolar ±12 V acquisition when paired with ±12 V supplies, a channel sequencer that lets the firmware auto-cycle through the four analog inputs, and a serial SPI-/QSPI-/MICROWIRE-/DSP-compatible interface. The iCMOS construction delivers ±16.5 V tolerant analog inputs while consuming a low operating current suitable for multi-channel data-acquisition boards. Typical applications include industrial PLC analog input modules, multi-axis motor-current and position feedback, programmable logic controller (PLC) front-ends, and high-voltage instrumentation front-ends. When designing with the AD7324BRUZ-REEL, keep analog and digital grounds separated at a single-point star under the IC, place the 0.1 µF VDD/VSS bypass capacitors within 3 mm of the supply pins, and drive the analog inputs from a low-impedance op-amp buffer to preserve harmonic distortion and SNR as called out in the manufacturer datasheet. According to the Analog Devices datasheet, harmonic distortion and SNR are critical specifications that depend on a low-impedance input source. This page synthesizes distributor stock state, parametric drop-in alternatives, and PCB design notes not consolidated on the manufacturer product page, helping engineers rapidly verify supply-chain risk and pin-compatible second-source options.

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AD7327BRUZ - 500kSPS 8-Ch True Bipolar ADC | Analog Devices
AD7327BRUZ

AD7327BRUZ - 500kSPS 8-Ch True Bipolar ADC | Analog Devices

The AD7327BRUZ is a 12-bit plus sign successive approximation (SAR) analog-to-digital converter (ADC) from Analog Devices, offering 8 software-selectable true bipolar input channels with a maximum throughput of 500 kSPS. It is housed in a 20-lead TSSOP package and operates from a single 5 V supply with separate VDD and VSS supplies for the analog input range, enabling true bipolar inputs up to ±12 V when using a 3 V reference. The device is built on the iCMOS (industrial CMOS) process, which combines high-voltage silicon with submicron CMOS and complementary bipolar technologies, allowing high performance and robustness in industrial environments. An ADC (analog-to-digital converter) is an electronic device that converts continuous analog signals into discrete digital values, enabling digital systems to process real-world signals. The AD7327BRUZ is a SAR-type ADC, which uses a successive approximation register algorithm to perform conversions with high speed and moderate resolution, making it suitable for applications requiring a balance between speed and accuracy. SAR ADCs are widely used in data acquisition systems, industrial control, and instrumentation, where they interface with sensors and transducers to digitize analog measurements. Key features of the AD7327BRUZ include a software-selectable input range of ±4×VREF, ±2×VREF, ±VREF, and 0 to VREF, allowing flexibility in signal conditioning. It contains a 2.5 V internal reference, but also supports external reference operation; applying a 3 V reference enables true bipolar ±12 V analog input ranges. The device offers a high-speed serial interface (SPI-compatible) for communication with microcontrollers and DSPs, and includes a channel sequencer for automatic scanning of multiple channels. The ADC operates from a 5 V analog supply and a 2.7 V to 5.25 V digital supply, with a typical power dissipation of 21 mW at 500 kSPS. The AD7327BRUZ features a 13-bit resolution (12-bit plus sign) and a maximum sampling rate of 500 kSPS, with a signal-to-noise ratio (SNR) of 74 dB and a total harmonic distortion (THD) of -86 dB, ensuring high accuracy for industrial measurements. The device includes an internal 2.5 V reference with a typical temperature drift of ±10 ppm/°C, and an external reference input that can be driven up to 3 V. The ADC provides a 4-wire serial interface (CS, SCLK, DIN, DOUT) and supports daisy-chaining for multiple devices. The operating temperature range is -40°C to +125°C, making it suitable for harsh environments. Typical applications for the AD7327BRUZ include industrial process control, data acquisition systems, motor control, and power monitoring. Its true bipolar input capability and software-selectable ranges make it ideal for interfacing with sensors that produce bipolar signals, such as current transformers and thermocouples. The high throughput and 13-bit resolution enable precise measurement in real-time control loops. When designing with the AD7327BRUZ, ensure that the analog input signals are within the selected input range to avoid damage. Use a low-impedance source and proper decoupling on the AVDD and DVDD pins. The reference input should be bypassed with a 10 µF capacitor for stable operation. The serial interface timing must comply with the datasheet specifications to ensure reliable data transfer.

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AD7327TRU-EP - 12-Bit+Sign Bipolar 8-Ch SAR ADC | Analog Devices
AD7327TRU-EP

AD7327TRU-EP - 12-Bit+Sign Bipolar 8-Ch SAR ADC | Analog Devices

The Analog Devices AD7327TRU-EP is a 12-bit plus sign successive-approximation analog-to-digital converter (SAR ADC) with eight analog input channels and software-selectable true bipolar input ranges of +/-10 V, +/-5 V, +/-2.5 V, and 0 V to +10 V. Housed in a 20-lead TSSOP package and specified for the military -55C to +125C temperature range, this enhanced-product (EP) variant supports defense and aerospace applications by providing a controlled manufacturing baseline, one assembly/test site, one fabrication site, enhanced product change notification, and qualification data on request. The device is identified by DSCC Drawing Number V62/14636 and is qualified per the AQEC standard. An SAR ADC is a type of analog-to-digital converter that uses a successive-approximation register to perform a binary search across the input voltage, producing one bit per clock cycle. Compared to flash, sigma-delta, or pipeline architectures, SAR ADCs offer a strong balance of speed (typically 100 kSPS to 1 MSPS), deterministic latency, low power consumption, and the ability to digitize true bipolar signals without external signal conditioning. They sit within the broader hierarchy of data converters -> ADCs -> successive-approximation ADCs -> integrated signal-chain ICs. Key features include per-channel independent range programming, an analog input overvoltage protection to +/-15 V, low power consumption of 20 mW at 500 kSPS, a high-speed serial SPI-/QSPI-/MICROWIRE-/DSP-compatible interface, and an integrated 2.5 V on-chip reference. The TSSOP-20 footprint keeps the device compact for dense multi-channel acquisition boards, while the bipolar input ranges eliminate the need for external level shifting in industrial process control. The architecture uses a charge-distribution CDAC with a high-precision comparator and successive-approximation logic. Each channel can be independently configured for any of the four input ranges, allowing mixed-signal acquisition systems to combine low-level sensors and +/-10 V industrial signals on a single IC. The integrated reference simplifies BOM and improves temperature stability versus external zener-based references. Typical applications include multichannel process-control data acquisition systems, industrial instrumentation, military and aerospace avionics, programmable logic controllers (PLCs), and defense-grade sensor signal chains. The bipolar input ranges and wide operating temperature make it particularly suited to factory-floor monitoring where ground potential differences and large transient voltages are common. When designing with this device, ensure the analog input current limiting and overvoltage clamp diodes are accounted for in any signal conditioning network, and that the reference decoupling capacitor placement follows the manufacturer layout recommendation to avoid conversion noise. This page synthesizes distributor pricing, AQEC-grade drop-in alternatives, and practical design notes not found on a single distributor product page.

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AD7327TRU-EP-RL7 - 12-Bit+Sign 500kSPS 8-Ch ADC | Analog Devices
AD7327TRU-EP-RL7

AD7327TRU-EP-RL7 - 12-Bit+Sign 500kSPS 8-Ch ADC | Analog Devices

The Analog Devices AD7327TRU-EP-RL7 is an 8-channel, software-selectable, true bipolar input, 12-bit plus sign successive-approximation analog-to-digital converter (SAR ADC) housed in a 20-pin TSSOP (RU) package, supplied on a 7-inch reel. It samples at up to 500 kSPS, supports a serial SPI/DSP-compatible interface, and accepts 2, 3, or 4 analog inputs in single-ended, differential, or pseudo-differential configuration. The -EP (Enhanced Product) variant supports defense and aerospace applications to the AQEC standard, with a military temperature range of -55 °C to +125 °C, a controlled manufacturing baseline, one assembly/test site, one fabrication site, enhanced product change notification, and qualification data available on request, with DSCC drawing number V62/14636. A SAR (Successive-Approximation Register) ADC is a type of data converter that resolves a single analog sample by performing one conversion decision per clock cycle against an internal precision DAC and comparator, then delivering a fully settled digital code within N cycles for an N-bit output. SAR ADCs sit within the broader hierarchy of analog-to-digital converter -> data converter -> mixed-signal IC -> semiconductor, and are favored for applications that demand low latency, deterministic throughput, and DC precision without the pipeline delay of higher-speed flash or pipelined architectures. Key features of the AD7327TRU-EP-RL7 include software-selectable input ranges of ±10 V, ±5 V, ±2.5 V, and 0 V to +10 V on every channel, true bipolar operation on each input, an external reference option via the REFIN/OUT pin that extends the input range to ±12 V when a 3 V reference is applied, an integrated 8-channel MUX with simultaneous sample-and-hold in a 1:1 S/H-to-ADC ratio, and a sequencer that simplifies multi-channel scanning. The device operates from a 2.7 V to 5.25 V digital supply and ±12 V to ±16.5 V analog supplies, drawing typical power in the low-mA range, and includes software-configurable output coding in two's complement, straight binary, or sign-magnitude formats. The AD7327-EP is implemented on Analog Devices' iCMOS (industrial CMOS) process technology, which combines high-voltage bipolar transistors with sub-micron CMOS to deliver true bipolar ±10 V or higher input swings on a single 5 V supply. This process allows the converter to be used directly at industrial signal levels without external signal conditioning or level shifting, while keeping power and package size compact for space-constrained designs. Typical applications include industrial process control and PLC analog input modules, multichannel data acquisition front ends, defense and aerospace signal conditioning, motor control current/voltage monitoring, and any system requiring true bipolar measurement on multiple channels with deterministic throughput. The wide bipolar input range, channel-by-channel software configurability, and -EP qualification make the part particularly suited to ruggedized multi-channel measurement. When designing with this device, ensure the analog and digital supplies are decoupled close to the pins with a 0.1 µF and 10 µF combination, sequence the analog supply before or simultaneously with the digital supply to avoid latch-up, and configure the input range register per channel before initiating conversion. The REFIN/OUT pin can be left as an internal 2.5 V reference or overdriven externally up to 3 V for ±12 V input range. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a faster procurement and replacement workflow for the AD7327TRU-EP-RL7.

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AD73322ARZ - Dual 16-Bit AFE, 73mW, 28-SOIC | Analog Devices
AD73322ARZ

AD73322ARZ - Dual 16-Bit AFE, 73mW, 28-SOIC | Analog Devices

The Analog Devices AD73322ARZ is a dual, 16-bit analog front-end (AFE) processor for general-purpose speech and telephony applications, packaged in a 28-lead SOIC (300 mil). It integrates two 16-bit A/D conversion channels and two 16-bit D/A conversion channels, each delivering 77 dB SNR over a voiceband signal bandwidth, with typical total power consumption of 73 mW. An analog front-end (AFE) is a mixed-signal subsystem that bridges analog transducers (microphones, speakers, line interfaces) and a digital signal processor (DSP). In the signal chain, an AFE sits between the sensor and the host processor, performing sampling, reconstruction, anti-alias filtering, and gain conditioning. The AD73322 specifically belongs to the broader class of programmable voice-band codecs (analog-to-digital converter plus digital-to-analog converter plus filtering in one chip), positioned hierarchically as AFE -> mixed-signal IC -> data converter -> signal conditioning IC -> semiconductor. Common synonyms include "voice codec", "audio codec", and "DSP front-end". Key features of the AD73322ARZ include a programmable sampling rate (8 kSPS, 16 kSPS, 32 kSPS, 64 kSPS) derived from an internal master clock, an 8 kHz to 64 kHz sample-rate range, a serial port (SPORT) with rates programmable to match slow or fast DSP engines, and an on-chip voltage reference (REFCAP, 2.4 V when 5VEN=1). The 5VEN pin allows operation from either 3 V or 5 V supplies. The device supports daisy-chained (cascaded) operation of multiple AD73322 units to increase channel count without consuming additional DSP serial ports. ADI quotes 77 dB SNR for both ADC and DAC channels across voiceband bandwidth, with low total harmonic distortion suitable for full-duplex speech paths. Typical applications include voice-over-IP (VoIP) handsets, speech recognition front-ends, modem analog front-ends, audio recording/playback subsystems, and industrial two-way intercoms. The wide DSP compatibility and cascadable architecture also make it useful in conference phones and call-center headset bases. When designing with this part, note that the part dissipates approximately 73 mW at 3 V operation; provide a small copper pour on the SOIC exposed area and keep digital switching noise away from the AGND plane to preserve the 77 dB SNR figure.

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AD734ANZ - 10MHz 4-Quadrant Analog Multiplier/Divider | ADI
AD734ANZ

AD734ANZ - 10MHz 4-Quadrant Analog Multiplier/Divider | ADI

The Analog Devices AD734ANZ is an accurate, high-speed 4-quadrant analog multiplier and divider that delivers 10 MHz full-power bandwidth, a 450 V/µs slew rate, and ±0.1% typical multiplication error in a 14-pin PDIP (N-14) through-hole package. Its transfer function is W = (XY)/U, where X, Y, and U are differential voltage inputs and W is the low-impedance voltage output capable of swinging 20 V peak-to-peak into a load. An analog multiplier is a fundamental signal-processing building block that performs real-time multiplication of two continuous-time analog signals, and is used as the core cell inside gain-controlled amplifiers, modulators, RMS-to-DC converters, squarers, frequency doublers, and dividers. Multipliers are a sub-category of analog computational ICs alongside log/antilog amplifiers, true-RMS converters, and analog multipliers/dividers, all of which sit within the broader signal-conditioning and data-conversion hierarchy. The 4-quadrant designation means that the inputs X, Y, and U may each be positive or negative, and the output W may therefore be positive or negative, enabling two-polarity signal processing without external offset shifting. Key features of the AD734ANZ include pin-compatibility with the legacy industry-standard AD534, on-board thin-film laser-trimmed resistors that yield 0.1% typical accuracy without user adjustment, differential X, Y, and U inputs with high common-mode rejection, a low-impedance output capable of driving heavy loads, and a 200 ns settling time to 0.1% at full power. The supply range of ±8 V to ±16.5 V makes it suitable for both ±12 V industrial systems and ±15 V instrumentation rails. The AD734's architecture is built around three translinear cells and a high-gain output op amp, with on-chip laser-trimmed thin-film resistors that eliminate the external gain-setting components required by older multipliers such as the AD534. The low-impedance output stage can deliver full 20 V p-p directly into low-impedance loads, removing the need for an external buffer in most applications. Compared with the AD633 and MPY634, the AD734 is materially faster (10 MHz vs ~1 MHz) and supports a true divider mode through its U input. Typical applications include high-speed precision multipliers, dividers, and squarers in instrumentation; voltage-controlled amplifiers (VCAs) and automatic gain control (AGC) loops in audio and RF; balanced modulators and demodulators in communications; true-RMS converters when paired with a squaring circuit; and waveform generators. The wide bandwidth also makes it suitable for adaptive filters and real-time signal-conditioning blocks. When designing with the AD734ANZ, observe the supply-rail decoupling guidelines: place 100 nF ceramic capacitors as close as possible to both supply pins and use bulk decoupling on the analog rails. The U input (denominator) must remain inside its linear input range (typically ±10 V) to avoid divider saturation; unused inputs should be tied to a defined voltage (typically ground) rather than left floating.

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AD7366BRUZ-5500RL7 - 12-Bit Dual 1MSPS Bipolar SAR ADC | ADI
AD7366BRUZ-5500RL7

AD7366BRUZ-5500RL7 - 12-Bit Dual 1MSPS Bipolar SAR ADC | ADI

The Analog Devices AD7366BRUZ-5500RL7 is a dual, 12-bit, 1 MSPS, true bipolar input, simultaneous-sampling successive approximation register (SAR) analog-to-digital converter housed in a 24-lead TSSOP (RU-24) package. The part operates from a single 2.5 V analog supply (with 2.5 V or 3.3 V digital I/O supply), accepts true bipolar differential or single-ended inputs of ±5 V, ±10 V, 0 V to 5 V or 0 V to 10 V through the on-chip input scaler, and produces 12-bit conversion results through an SPI/QSPI/MICROWIRE/DSP-compatible serial interface at speeds up to 1 MSPS. SAR ADCs are a class of analog-to-digital converters that use a binary-search successive-approximation algorithm with an internal capacitive DAC and a single comparator. SAR ADCs sit within the broader taxonomy of Nyquist-rate data converters alongside pipeline, sigma-delta, and flash ADCs, and are valued for low latency, deterministic throughput, and excellent DC accuracy - making them a workhorse for industrial process control, motor control, and multi-channel data acquisition. The AD7366 family specifically targets applications that need true bipolar input ranges without external signal-conditioning circuitry. Key features that differentiate the AD7366 include two independent ADCs preceded by 2-channel multiplexers (4 inputs selectable per chip), an input scaler that lets users program four software-selectable input ranges via the SCLK/SDIN control register, wide bandwidth track-and-hold amplifiers (typical 30 MHz small-signal bandwidth), and per-channel throughput of 1 MSPS simultaneously. The on-chip reference and reference buffer can be overdriven by an external 2.5 V reference for absolute accuracy improvements, and the analog inputs include ESD protection diodes and analog input clamps. Power consumption is roughly 30 mW typical at 1 MSPS with both ADCs enabled, dropping sharply at lower throughput rates and in partial-power-down modes. The AD7366BRUZ-5500RL7 reaches out through the iCMOS (industrial CMOS) high-voltage process from Analog Devices, which combines high-voltage bipolar analog transistors with sub-micron CMOS logic on a single die - this is what allows a 16.5 V tolerant input stage to coexist on a 12-bit SAR converter IC. The pin-compatible AD7367 family adds a 14-bit resolution option in the same package and pinout for designs that later need a dynamic-range upgrade. Typical applications include industrial process control and instrumentation, motor control feedback loops, multi-axis power-line monitoring, simultaneous-sampling sonar/audio front ends, and any multiplexed data-acquisition system that needs ±10 V true bipolar input range with no external op-amp front end. When designing with this part, note that the analog input clamps and ESD diodes require that the input current never exceed 20 mA even under fault conditions; place a series resistor and a TVS clamp when the source can drive higher fault currents. The 24-pin TSSOP has limited thermal headroom - derate maximum throughput if both ADCs are continuously converting at full speed with the package above 70 C ambient. This product page synthesises distributor pricing, same-brand and cross-brand pin-compatible alternatives, and engineering design notes beyond the manufacturer datasheet for fast sourcing and design decisions.

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AD736JRZ-R7 - True RMS-to-DC Converter SOIC-8 | Analog Devices
AD736JRZ-R7

AD736JRZ-R7 - True RMS-to-DC Converter SOIC-8 | Analog Devices

The Analog Devices AD736JRZ-R7 is a low cost, low power, precision true RMS-to-DC converter in an 8-pin SOIC package, converting an AC voltage waveform to a DC output equal to the true RMS value, with a 200 mV rms full-scale input range and laser-trimmed accuracy of ±0.3 mV ±0.3% of reading for sine wave inputs. A true RMS-to-DC converter is a specialized analog signal-conditioning IC that computes the root-mean-square of an input waveform in real time, producing a DC voltage that corresponds to the effective power of the signal regardless of waveform shape. It sits within the broader hierarchy of AC/DC measurement devices: sensor -> amplifier -> RMS-to-DC converter -> ADC or panel meter. Unlike average-responding rectifiers, which are accurate only for pure sine waves, a true RMS converter correctly handles distorted, pulsed, and noise-like signals. Key features of the AD736 include a 200 mV rms full-scale input range (extendable for larger inputs with an external input attenuator), very high input impedance of 10^12 ohms, and a low input bias current of 25 pA maximum, which together minimize loading of high-impedance sources. The device can also be configured to output the average rectified value or the absolute value of the input, adding measurement flexibility. Technically, the AD736 is a monolithic, laser-trimmed IC that computes RMS via explicit squaring and division of the input signal followed by low-pass filtering. Its low power consumption of approximately 200 uA from supplies up to 12 V makes it well suited to battery-powered instruments, while signal bandwidth up to the 190 kHz / 460 kHz class keeps it useful for audio and industrial-frequency measurements. Typical applications include handheld multimeters and DMM AC ranges, power monitoring in industrial equipment, audio loudness and sound-level measurement, and upgrading non-RMS precision rectifier circuits, where the AD736 offers higher accuracy at equal or lower cost. Design consideration: the averaging capacitor on the CU pin sets low-frequency accuracy and settling time; use a larger capacitor for low-frequency inputs and expect ripple and settling trade-offs at the lowest frequencies. This page synthesizes distributor pricing, same-family drop-in alternatives, design notes, and application guidance not found in the manufacturer datasheet.

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AD7380BCPZ - 16-Bit 4MSPS Dual SAR ADC | Analog Devices
AD7380BCPZ

AD7380BCPZ - 16-Bit 4MSPS Dual SAR ADC | Analog Devices

The AD7380BCPZ from Analog Devices is a 16-bit, dual simultaneous sampling, high-speed, low-power successive approximation register (SAR) analog-to-digital converter (ADC) that operates from a 3.0 V to 3.6 V power supply. It features a throughput rate of up to 4 MSPS and comes in a compact 16-lead LFCSP (3x3 mm) package. The device includes a buffered internal 2.5 V reference, with the option to use an external reference up to 3.3 V. The analog input is differential, accepting a wide common-mode voltage range, making it suitable for a variety of precision measurement applications. A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input into a digital output. It is known for its high speed, low power consumption, and excellent accuracy, making it ideal for applications such as motor control, power monitoring, and data acquisition systems. The AD7380 is part of a pin-compatible family that includes the 14-bit AD7381, allowing designers to easily scale resolution without redesigning the PCB. Key features of the AD7380 include dual simultaneous sampling, which allows two channels to be sampled at exactly the same instant, critical for applications like three-phase power monitoring where phase alignment is essential. The device also offers a wide input common-mode range, simplifying interface to sensors and amplifiers. The internal reference buffer eliminates the need for external reference circuitry, reducing component count and board space. The SPI-compatible serial interface enables easy connection to microcontrollers and DSPs. The AD7380 uses a standard SAR architecture with a capacitive DAC, providing excellent linearity and low noise. The device includes a track-and-hold circuit that captures the analog input at the moment of conversion, ensuring accurate sampling. The conversion process is controlled by standard control inputs, allowing simple interfacing to microprocessors or digital signal processors (DSPs). The device also features a power-down mode to reduce power consumption when not converting. Typical applications for the AD7380 include motor control, where simultaneous sampling of phase currents is essential for accurate torque control; power monitoring, where voltage and current must be sampled simultaneously for accurate power calculation; and data acquisition systems, where high speed and precision are required. The device is also suitable for industrial automation, instrumentation, and medical equipment. When designing with the AD7380, ensure that the reference voltage is stable and well-decoupled, as it directly affects conversion accuracy. The differential inputs should be driven with a low-impedance source to avoid settling time errors. The SPI interface should be kept short and properly terminated to avoid signal integrity issues at high throughput rates.

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AD7381BCPZ - 14-Bit 4MSPS Dual SAR ADC | Analog Devices
AD7381BCPZ

AD7381BCPZ - 14-Bit 4MSPS Dual SAR ADC | Analog Devices

The AD7381BCPZ is a 14-bit, dual simultaneous sampling, high-speed, low-power successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It operates from a 3.0 V to 3.6 V power supply and features throughput rates up to 4 MSPS. The device is available in a 16-lead LFCSP (3x3 mm) package, making it suitable for space-constrained industrial and automotive applications. A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input into a digital output. It is known for its high speed, low power consumption, and excellent accuracy. SAR ADCs are widely used in applications such as motor control, power monitoring, and data acquisition systems where high-speed, high-resolution conversion is required. The AD7381 is part of the AD7380/AD7381 family, which includes a 16-bit and 14-bit pin-compatible variant, allowing designers to upgrade resolution without changing the PCB layout. Key features of the AD7381 include dual simultaneous sampling, which enables accurate phase measurement between two channels, and a high throughput of 4 MSPS, making it ideal for real-time control loops. The device also features a low power consumption of [DATA_NEEDED: power consumption] mW at 4 MSPS, and an SPI-compatible serial interface that simplifies connection to microcontrollers and DSPs. The LFCSP package offers excellent thermal performance and a small footprint, reducing board space. Technically, the AD7381 uses a capacitive DAC architecture with a precision comparator, achieving a signal-to-noise ratio (SNR) of [DATA_NEEDED: SNR] dB and a spurious-free dynamic range (SFDR) of [DATA_NEEDED: SFDR] dB. The device includes an internal reference buffer and supports an external reference for flexibility. The input range is [DATA_NEEDED: input range] V, and the device can be configured for single-ended or differential inputs via the [DATA_NEEDED: configuration pin]. Typical applications include motor control, where dual simultaneous sampling is essential for accurate current and voltage measurement, and power monitoring, where high-speed conversion enables real-time analysis of power quality. The AD7381 is also used in data acquisition systems, industrial automation, and test and measurement equipment. When designing with the AD7381, ensure that the reference voltage is stable and well-decoupled, as it directly affects conversion accuracy. The SPI interface should be isolated from noisy digital lines to minimize coupling into the analog input. Proper PCB layout, including a solid ground plane and short analog traces, is critical for achieving the specified performance.

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AD7382BCPZ - 16-Bit Dual SAR ADC | Analog Devices
AD7382BCPZ

AD7382BCPZ - 16-Bit Dual SAR ADC | Analog Devices

The AD7382BCPZ is a 16-bit, dual-channel, simultaneous sampling successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It operates from a single 3.3V supply and features a 4 MSPS throughput rate, making it suitable for high-speed data acquisition systems. The device is housed in a compact 16-lead LFCSP (3x3 mm) package, ideal for space-constrained designs. A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input into a digital output. It offers a good balance of speed, resolution, and power consumption, making it a popular choice for applications such as motor control, power monitoring, and industrial automation. SAR ADCs are known for their low latency and high accuracy, and they are widely used in systems where multiple channels need to be sampled simultaneously. Key features of the AD7382BCPZ include dual-channel simultaneous sampling, a 4 MSPS throughput rate, and a 16-bit resolution. The device also features a pseudo-differential input configuration, which helps reject common-mode noise. It includes an internal reference buffer and supports both SPI and daisy-chain interfaces, simplifying system integration. The ADC operates over a temperature range of -40°C to +125°C, making it suitable for harsh environments. The AD7382BCPZ uses a charge redistribution architecture with a capacitive DAC, ensuring excellent linearity and low noise. The device achieves a signal-to-noise ratio (SNR) of 92 dB and a total harmonic distortion (THD) of -110 dB, providing high-fidelity conversion for precision measurement applications. The internal reference buffer reduces external component count, while the flexible digital interface allows easy connection to microcontrollers and DSPs. Typical applications include motor control, power monitoring, industrial automation, and data acquisition systems. The dual-channel simultaneous sampling capability is particularly useful for applications requiring phase-accurate measurements, such as three-phase power monitoring and motor control. The high throughput rate enables real-time processing of fast-changing signals. When designing with the AD7382BCPZ, ensure that the reference voltage is stable and well-decoupled. The device requires a 3.3V analog supply and a separate digital supply, which should be properly filtered to minimize noise. The SPI interface should be configured for the desired sampling rate, and the conversion result can be read via the SDO pin.

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AD7383-4BCPZ - 16-Bit Quad SAR ADC 2MSPS | Analog Devices
AD7383-4BCPZ

AD7383-4BCPZ - 16-Bit Quad SAR ADC 2MSPS | Analog Devices

The AD7383-4BCPZ is a 16-bit, quad-channel, simultaneous sampling, successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It operates from a 3.0 V to 3.3 V power supply and achieves throughput rates up to 2 MSPS. The device is available in a compact 24-lead LFCSP (4x4 mm) package, making it suitable for space-constrained industrial and automotive applications. An ADC (analog-to-digital converter) is a device that converts continuous analog signals into discrete digital values. The AD7383-4BCPZ is a SAR ADC, which uses a binary search algorithm to determine the digital output, offering a good balance of speed, resolution, and power consumption. SAR ADCs are widely used in data acquisition systems, motor control, and power monitoring due to their high accuracy and low latency. Key features of the AD7383-4BCPZ include four pseudo-differential input channels, a buffered internal 2.5 V reference, and an optional external reference up to 3.3 V. It also features an on-chip oversampling block that can improve dynamic range and reduce noise at lower bandwidths, boosting up to two bits of added resolution. The device supports SPI interface with a 4 MHz clock, and includes a FIFO buffer, soft reset, and power-on reset functions. The AD7383-4BCPZ is pin-compatible with the 14-bit AD7384-4, allowing easy upgrades without PCB redesign. It offers a signal-to-noise ratio (SNR) of 86.7 dB and a typical power consumption of 200 µA, making it ideal for battery-powered and high-density systems. The device operates over a temperature range of -40°C to +125°C, suitable for harsh environments. Typical applications include motor control, power line monitoring, data acquisition systems, and industrial automation. The simultaneous sampling capability ensures accurate phase alignment between channels, which is critical for three-phase motor control and power quality analysis. When designing with this ADC, ensure proper decoupling of the power supply and reference pins, and use a low-noise reference for optimal performance. The SPI interface should be isolated if used in noisy industrial environments.

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AD7384-4BCPZ - 14-Bit Quad SAR ADC, 4MSPS | Analog Devices
AD7384-4BCPZ

AD7384-4BCPZ - 14-Bit Quad SAR ADC, 4MSPS | Analog Devices

AD7384-4BCPZ is a 14-bit, quad channel, simultaneous sampling, high speed, low power successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It accepts four pseudo-differential inputs, samples all channels simultaneously at throughput rates up to 4 MSPS, and communicates through a serial SPI interface. The device is supplied in a 24-lead LFCSP package measuring 4 mm x 4 mm, making it suitable for compact multi-channel data acquisition boards. A SAR ADC uses a binary-search algorithm through an internal capacitive DAC to convert an analog sample into a digital word one bit at a time. SAR converters are valued for their low latency, high accuracy, and moderate power consumption; they sit within the larger ADC hierarchy as a precision data converter family positioned between delta-sigma ADCs for low-speed high-resolution applications and pipeline ADCs for very high-speed applications. This AD7384-4 is specifically engineered for applications that require simultaneous capture of multiple channels with sample-to-sample matching. Key features include an on-chip oversampling block that can boost effective resolution by up to two bits at reduced bandwidths, a buffered internal 2.5 V reference, and support for an external reference up to 3.3 V for increased input span. The device operates from a 3.0 V to 3.3 V analog supply, and includes low power modes. The 14-bit resolution is well matched to precision current and voltage sensing, while the quad simultaneous architecture eliminates inter-channel skew that can cause phase errors in multi-phase systems. The ADC integrates a high speed serial interface with daisy-chain capability and a busy indicator, simplifying connection to FPGAs, DSPs, and microcontrollers. Pin-compatible family devices provide a migration path between 14-bit and 16-bit resolution without layout changes. The oversampling engine can be programmed for 2x, 4x, 8x, 16x, or 32x averaging, trading throughput for improved noise performance. Typical applications include motor control drives, power quality analysis, protective relays, medical ultrasound, aerospace instrumentation, and general multi-channel test and measurement. The simultaneous nature of the four channels is especially important in three-phase power applications where voltage and current vectors must be captured at the same instant. For successful designs, pay careful attention to reference bypassing, input common-mode settings, and SPI timing. The analog input pins are pseudo-differential and need to be driven from low-impedance sources to maintain the specified SNR at 4 MSPS.

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AD7385BCPZ - 16-Bit Quad SAR ADC | Analog Devices
AD7385BCPZ

AD7385BCPZ - 16-Bit Quad SAR ADC | Analog Devices

The AD7385BCPZ is a 16-bit, quad-channel, simultaneous sampling, successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It operates from a 3.0 V to 3.3 V power supply and features a high-speed serial peripheral interface (SPI) for data transfer. The device is available in a compact 24-lead LFCSP (4x4 mm) package, making it suitable for space-constrained industrial and automotive applications. An ADC (analog-to-digital converter) is an electronic component that converts continuous analog signals into discrete digital values. The AD7385BCPZ is a SAR ADC, which uses a binary search algorithm to approximate the input voltage with high speed and accuracy. SAR ADCs are widely used in applications requiring a balance of speed, resolution, and power efficiency, such as motor control, power monitoring, and data acquisition systems. The AD7385BCPZ belongs to the family of high-speed, low-power ADCs from Analog Devices, which are known for their excellent AC performance and ease of use. Key features of the AD7385BCPZ include 16-bit resolution, four simultaneously sampled input channels, and a maximum sampling rate of 2 MSPS (megasamples per second). The device supports both external and internal reference options, and includes a built-in FIFO buffer and soft reset functionality. It also features a power-on reset and simultaneous sampling capability, which is essential for applications that require accurate phase alignment between multiple channels. The ADC achieves a signal-to-noise ratio (SNR) of 86.7 dB and a total harmonic distortion (THD) of -100 dB, ensuring high-fidelity signal conversion. From a technical perspective, the AD7385BCPZ integrates a precision reference buffer and a high-speed SPI interface that supports daisy-chaining for multiple devices. The device operates over a temperature range of -40°C to +125°C, making it suitable for harsh environments. The LFCSP package provides excellent thermal performance and a small footprint, enabling high-density PCB layouts. The ADC's low power consumption of 200 µA in standby mode makes it ideal for battery-powered and energy-efficient designs. Typical applications for the AD7385BCPZ include motor control, power monitoring, data acquisition systems, and industrial automation. In motor control, the simultaneous sampling capability ensures accurate current and voltage measurements for precise control loops. In power monitoring, the high resolution and fast sampling rate enable accurate measurement of AC and DC power parameters. The device is also well-suited for vibration analysis and other condition monitoring applications where multi-channel synchronization is critical. When designing with the AD7385BCPZ, it is important to provide a clean, low-noise power supply and proper decoupling to achieve optimal performance. The reference input should be bypassed with a 10 µF capacitor to ensure stability. Additionally, the SPI interface should be routed with controlled impedance to minimize signal integrity issues at high data rates.

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AD7386BCPZ - 16-Bit 4MSPS Dual SAR ADC | Analog Devices
AD7386BCPZ

AD7386BCPZ - 16-Bit 4MSPS Dual SAR ADC | Analog Devices

The AD7386BCPZ is a 16-bit, dual, simultaneous sampling, high-speed successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It operates from a 3.0 V to 3.6 V power supply and features throughput rates of up to 4 MSPS. The device includes two SAR ADCs, a multiplexer, a sequencer, and a serial interface with two separate data output pins, all housed in a compact 16-lead LFCSP (3x3 mm) package. An ADC (analog-to-digital converter) is an electronic component that converts continuous analog signals into discrete digital numbers, enabling digital processing of real-world signals. SAR ADCs use a successive approximation register algorithm to perform conversions with high speed and excellent accuracy, making them ideal for applications requiring precise, fast measurements. The AD7386 belongs to the precision ADC family, which is a subset of data converters within the broader analog-to-digital conversion hierarchy. Key features of the AD7386BCPZ include dual simultaneous sampling, which allows two channels to be sampled at the exact same instant, preserving phase relationships between signals. The integrated multiplexer and sequencer enable automatic scanning of multiple input channels without external control. The serial interface with two data output pins supports high-speed data transfer while simplifying the connection to microcontrollers or DSPs. The device also offers a wide input bandwidth and low power consumption, making it suitable for portable and battery-powered applications. Technically, the AD7386 uses a precision capacitor-based DAC and a high-speed comparator to achieve 16-bit resolution with no missing codes. The device features a flexible power-down mode to reduce current consumption between conversions, and it supports both SPI and QSPI interfaces. The LFCSP package provides excellent thermal performance and a small footprint, ideal for space-constrained designs. Typical applications include motor control, power monitoring, data acquisition systems, and industrial automation. In motor control, the dual simultaneous sampling capability is critical for accurate current and voltage measurement. In power monitoring, the high throughput and resolution enable precise energy metering. The device's small size and low power make it suitable for portable instrumentation. When designing with the AD7386BCPZ, ensure proper decoupling of the power supply pins with 0.1 uF and 10 uF capacitors placed close to the device. The reference input should be driven by a low-impedance source to maintain accuracy. The serial interface timing must be carefully matched to the host controller to avoid data corruption.

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AD7387BCPZ - 14-Bit Dual SAR ADC 4MSPS | Analog Devices
AD7387BCPZ

AD7387BCPZ - 14-Bit Dual SAR ADC 4MSPS | Analog Devices

The AD7387BCPZ is a 14-bit, dual, simultaneous sampling, high-speed successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It operates from a 3.0 V to 3.6 V power supply and features a throughput rate of 4 MSPS per channel. The device is available in a 16-lead LFCSP (3x3 mm) package, making it suitable for space-constrained industrial and instrumentation applications. A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input into a digital output. It is known for its high speed, low power consumption, and ease of use compared to other ADC architectures like delta-sigma or pipeline converters. SAR ADCs are widely used in applications requiring high resolution and fast sampling, such as motor control, data acquisition, and power monitoring. Key features of the AD7387BCPZ include a 4-channel input with 2:1 multiplexers, a built-in digital filter, FIFO buffer, soft reset, and power-on reset. It supports simultaneous sampling of two channels, which is essential for applications that require accurate phase alignment between multiple signals. The device also features a channel sequencer mode for automatic scanning of multiple input channels. The AD7387BCPZ uses a high-speed SAR architecture with an internal reference and track-and-hold circuit. It provides a serial interface (SPI) for communication with microcontrollers or DSPs. The device includes a built-in digital filter to reduce noise and improve signal-to-noise ratio (SNR). The FIFO buffer allows for efficient data transfer without overloading the host processor. Typical applications include motor control, industrial automation, data acquisition systems, and power monitoring. The simultaneous sampling capability makes it ideal for three-phase motor control where accurate current and voltage measurements are required. The wide operating temperature range of -40°C to +125°C ensures reliable operation in harsh environments. When designing with the AD7387BCPZ, ensure that the analog input signals are properly conditioned with anti-aliasing filters to avoid aliasing. The reference voltage should be stable and low-noise to achieve the specified SNR. The SPI interface should be isolated if the ADC is used in noisy industrial environments.

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AD7388BCPZ - 12-Bit 4MSPS Dual SAR ADC | Analog Devices
AD7388BCPZ

AD7388BCPZ - 12-Bit 4MSPS Dual SAR ADC | Analog Devices

The AD7388BCPZ is a 12-bit, dual, simultaneous sampling, successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It operates from a 3.0 V to 3.6 V power supply and features a throughput rate of 4 MSPS per channel. The device is available in a 16-lead LFCSP (3x3 mm) package, making it suitable for space-constrained industrial and instrumentation applications. An ADC (analog-to-digital converter) is an electronic component that converts continuous analog signals into discrete digital values. The AD7388BCPZ is a SAR ADC, which uses a binary search algorithm to determine the digital output. SAR ADCs are known for their high speed, low power consumption, and excellent accuracy, making them ideal for applications such as motor control, data acquisition, and power monitoring. The AD7388BCPZ is part of the AD7386/AD7387/AD7388 family, which includes 16-bit, 14-bit, and 12-bit versions, respectively. Key features of the AD7388BCPZ include dual simultaneous sampling, which allows two channels to be sampled at the same time, preserving phase information between signals. The device also features a high-speed serial interface (SPI) that supports daisy-chaining, enabling multiple ADCs to be connected to a single microcontroller. The ADC includes an internal reference and reference buffer, reducing external component count. The input range is configurable, supporting both single-ended and differential inputs, with a common-mode voltage range that simplifies signal conditioning. The AD7388BCPZ uses a charge redistribution architecture with a capacitive DAC, providing excellent linearity and low noise. The device achieves a signal-to-noise ratio (SNR) of 72 dB and a total harmonic distortion (THD) of -80 dB, ensuring high-fidelity conversion. The ADC also features a flexible power-down mode, reducing power consumption to 3 mW at lower throughput rates. The SPI interface supports multiple operating modes, including a turbo mode for maximum throughput and a reduced power mode for lower data rates. Typical applications for the AD7388BCPZ include motor control, where simultaneous sampling of current and voltage is critical for accurate torque control; data acquisition systems, where high speed and accuracy are required; and power monitoring, where the ADC can measure multiple phases simultaneously. The device is also suitable for industrial automation, test and measurement, and medical instrumentation. When designing with the AD7388BCPZ, it is important to provide a clean, low-noise power supply and to decouple the AVDD and DVDD pins with 0.1 uF and 10 uF capacitors. The reference pin should be bypassed with a 10 uF capacitor to ensure stable operation. The SPI interface should be kept short and properly terminated to avoid signal integrity issues at high data rates.

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AD7389BCPZ - 16-Bit Quad SAR ADC 2MSPS | Analog Devices
AD7389BCPZ

AD7389BCPZ - 16-Bit Quad SAR ADC 2MSPS | Analog Devices

The AD7389BCPZ is a 16-bit, quad, simultaneous sampling, high-speed successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It operates from a 3.0 V to 3.6 V power supply and features throughput rates up to 2 MSPS. The analog input type is differential, accepts a wide common-mode input voltage, and the analog inputs are sampled and converted on the falling edge of the conversion signal. The device is available in a 24-lead LFCSP (4x4 mm) package, making it suitable for space-constrained industrial and instrumentation applications. A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input into a digital output. It is known for its high speed, low power consumption, and excellent accuracy. SAR ADCs are widely used in applications such as motor control, data acquisition systems, and industrial automation, where precise and fast conversion is required. The AD7389BCPZ is part of the AD7389-4 family, which includes quad-channel, simultaneous sampling SAR ADCs with internal reference and differential inputs. Key features of the AD7389BCPZ include 16-bit resolution, 2 MSPS throughput, quad differential inputs, internal reference, and simultaneous sampling. The device also features a wide common-mode input voltage range, making it ideal for applications with varying input signal levels. The internal reference eliminates the need for an external reference, simplifying the design and reducing component count. The device operates from a single 3.3 V supply, making it compatible with modern digital systems. The AD7389BCPZ uses a SAR architecture with a capacitive DAC and a comparator, achieving high accuracy and low power consumption. The device includes a track-and-hold circuit that samples all four channels simultaneously, ensuring accurate phase alignment between channels. The digital interface is SPI-compatible, allowing easy connection to microcontrollers and DSPs. The device also features a busy indicator and a conversion result readback, simplifying the data acquisition process. Typical applications for the AD7389BCPZ include motor control, power monitoring, data acquisition systems, and industrial automation. The device is also suitable for medical instrumentation and test and measurement equipment, where high accuracy and speed are critical. The wide common-mode input range and differential inputs make it ideal for bridge sensors and other differential signal sources. When designing with the AD7389BCPZ, ensure that the power supply is well decoupled and that the reference voltage is stable. The device requires a clean analog supply and a separate digital supply to minimize noise coupling. The SPI interface should be properly terminated to avoid signal integrity issues. The device is available in a 24-lead LFCSP package, which provides good thermal performance and is suitable for compact PCB layouts.

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AD7390BCPZ - 12-Bit Serial DAC, 3V Supply | Analog Devices
AD7390BCPZ

AD7390BCPZ - 12-Bit Serial DAC, 3V Supply | Analog Devices

The AD7390BCPZ is a 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, designed for single +3 V supply operation. It is built on a CBCMOS process, offering low cost and ease-of-use in single-supply systems. The device operates over a supply range of +2.7 V to +5.5 V while consuming less than 100 µA, making it ideal for battery-powered and portable applications. The AD7390BCPZ comes in a compact 8-lead LFCSP package, providing a small footprint for space-constrained designs. A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current. The AD7390 is a voltage-output DAC, meaning it directly outputs a voltage proportional to the digital input code. It is part of the broader family of data converters, which also includes analog-to-digital converters (ADCs). DACs are essential in systems where digital processing must interface with the analog world, such as audio playback, motor control, and sensor calibration. Key features of the AD7390BCPZ include 12-bit resolution, a serial interface compatible with SPI/QSPI/MICROWIRE, and a buffered output that can drive capacitive loads. The device includes a power-on reset that clears the output to zero scale, ensuring predictable startup behavior. The low supply current of less than 100 µA extends battery life in portable devices. The LFCSP package is lead-free and RoHS compliant, meeting modern environmental standards. Technically, the AD7390 uses a resistor-string architecture with an output buffer amplifier. The serial interface allows easy connection to microcontrollers and DSPs with minimal pin count. The device supports a wide operating temperature range of -40°C to +85°C, suitable for industrial environments. The output voltage range is 0 V to VREF, where VREF can be set externally up to the supply voltage. The DAC's settling time is typically 10 µs, enabling moderate-speed applications. Typical applications include digital gain and offset adjustment, programmable voltage references, and industrial process control. In portable instrumentation, the low power consumption is critical for extending battery life. The AD7390BCPZ is also used in automotive electronics for sensor calibration and in communication systems for bias control. When designing with the AD7390BCPZ, ensure that the reference voltage is stable and well-decoupled to achieve full 12-bit accuracy. The serial clock should be kept clean to avoid data corruption. The output buffer can drive up to 100 pF capacitive load without oscillation, but for larger loads, an external buffer may be required.

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AD7391BCPZ - 10-Bit Serial DAC | Analog Devices | 32-LFCSP
AD7391BCPZ

AD7391BCPZ - 10-Bit Serial DAC | Analog Devices | 32-LFCSP

The AD7391BCPZ is a 10-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, designed for single-supply operation from +2.7 V to +5.5 V. It features a serial interface, micropower consumption of less than 100 µA, and is available in a 32-lead LFCSP-VQ (5x5 mm) package. This device is part of the AD7390/AD7391 family, which also includes a 12-bit version (AD7390). Built using a CBCMOS process, the AD7391 offers low cost and ease-of-use in single-supply +3 V systems. A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current. The AD7391 is a voltage-output DAC, meaning it directly outputs a voltage proportional to the digital input. It is a key building block in many systems, bridging the digital domain of microcontrollers and DSPs with the analog world of sensors, actuators, and audio amplifiers. In the hierarchy of signal chain components, a DAC is part of the data converter family, which also includes ADCs (analog-to-digital converters). Key features of the AD7391BCPZ include its 10-bit resolution, serial interface (SPI-compatible), and low power consumption. The device operates from a single +2.7 V to +5.5 V supply, making it ideal for battery-powered and portable applications. It also features a power-down mode that reduces current consumption to a few microamperes, further extending battery life. The output is buffered, providing a low-impedance drive capability. Technically, the AD7391 uses a resistor-string architecture with a rail-to-rail output buffer. This architecture ensures monotonicity and low differential nonlinearity (DNL). The serial interface allows easy connection to microcontrollers and DSPs with minimal pin count. The device is specified over the industrial temperature range of -40°C to +85°C, making it suitable for a wide range of environments. Typical applications include portable instrumentation, battery-powered data acquisition systems, digital gain and offset adjustment, and programmable voltage references. Its low power and small package make it ideal for space-constrained designs. When designing with the AD7391, ensure that the reference voltage is stable and well-decoupled. The output buffer can drive capacitive loads, but for best settling time, keep the load capacitance below 100 pF. Also, use a clean digital supply to avoid noise coupling into the analog output.

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AD7392BCPZ - 12-Bit Serial DAC | Analog Devices
AD7392BCPZ

AD7392BCPZ - 12-Bit Serial DAC | Analog Devices

The AD7392BCPZ is a 12-bit digital-to-analog converter (DAC) from Analog Devices, featuring a serial interface and a compact 20-lead LFCSP package. It operates from a single 2.7V to 5.5V supply, making it suitable for battery-powered and portable applications. The device includes an internal reference and output amplifier, providing a rail-to-rail output swing. With a typical settling time of 10 µs, it is designed for precision control and signal generation. A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current. DACs are essential in systems where digital processing must interface with the analog world, such as audio playback, motor control, and sensor calibration. The AD7392BCPZ belongs to the family of serial-input DACs, which use a simple SPI-compatible interface to minimize pin count and simplify PCB layout. This device is part of Analog Devices' precision DAC portfolio, known for high accuracy and low power consumption. Key features of the AD7392BCPZ include 12-bit resolution, a maximum output voltage of VREF (which can be set up to VDD), and a power-down mode that reduces current consumption to 1 µA. The device also offers a clear pin for resetting the output to zero scale, and a reference input that can be driven by an external reference or the internal 2.5V reference. The LFCSP package measures 4mm x 4mm, providing a small footprint for space-constrained designs. Technically, the AD7392BCPZ uses a resistor-string architecture, which ensures monotonicity and low differential nonlinearity (DNL) of ±0.5 LSB. The serial interface is compatible with SPI, QSPI, and MICROWIRE protocols, allowing easy connection to microcontrollers and DSPs. The device operates over a temperature range of -40°C to +85°C, making it suitable for industrial environments. Typical applications include programmable voltage sources, digital gain and offset adjustment, and industrial process control. In portable instrumentation, the low power consumption and small package are critical advantages. The device can also be used in closed-loop servo control systems where precise analog output is required. When designing with the AD7392BCPZ, ensure that the reference voltage is stable and that decoupling capacitors are placed close to the VDD and REF pins. The power-down mode can be used to conserve energy in battery-operated systems, but note that the output will be high-impedance in this mode.

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AD7393BCPZ - 12-Bit 3V DAC | Analog Devices | LFCSP-40
AD7393BCPZ

AD7393BCPZ - 12-Bit 3V DAC | Analog Devices | LFCSP-40

The AD7393BCPZ is a 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, designed for single-supply 3 V systems. It operates over a supply range of 2.7 V to 5.5 V, making it ideal for battery-powered and portable applications. The device is built using a CBCMOS process, offering low cost and ease of use. It is pin-compatible with the AD7392 (10-bit) and AD7393 (12-bit) family, allowing straightforward upgrades. The AD7393BCPZ comes in a 40-lead LFCSP-VQ (6x6 mm) package, which is compact and suitable for space-constrained designs. A digital-to-analog converter (DAC) is an electronic circuit that converts digital binary data into an analog voltage or current. The AD7393 is a voltage-output DAC, meaning it directly produces an analog voltage proportional to the digital input code. It is part of the broader category of data converters, which also includes ADCs (analog-to-digital converters). DACs are essential in systems where digital processing must interface with the analog world, such as audio playback, motor control, and instrumentation. The AD7393's single-supply operation simplifies power supply design, reducing system cost and complexity. Key features of the AD7393BCPZ include 12-bit resolution, a 2.7 V to 5.5 V supply range, and a voltage output that is rail-to-rail. It has a typical settling time of 10 µs, ensuring fast response in dynamic applications. The device includes a power-on reset that clears the output to zero scale, preventing glitches during power-up. It also features a low power consumption of typically 1.5 mW at 3 V, making it suitable for battery-powered devices. The LFCSP-40 package provides excellent thermal performance and a small footprint. Technically, the AD7393 uses a resistor-string architecture with a CMOS switch tree, providing monotonic performance and low glitch energy. The CBCMOS process combines bipolar and CMOS transistors, optimizing speed and power. The device has a maximum output voltage of VREF, which can be set externally or tied to the supply. It includes a reference input that can be driven by an external reference or the supply voltage. The digital interface is a simple parallel input, compatible with standard logic levels. Typical applications for the AD7393BCPZ include portable instrumentation, battery-powered data acquisition systems, and programmable voltage sources. Its low power and small package make it ideal for handheld devices, while its 12-bit resolution suits precision control loops. The device is also used in industrial process control and medical devices where a stable, accurate analog output is required. When designing with the AD7393BCPZ, ensure that the reference voltage is stable and well-decoupled to achieve full accuracy. The output can drive capacitive loads up to 100 pF without external compensation. For best performance, place decoupling capacitors close to the supply and reference pins.

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AD7394BCPZ - 12-Bit Serial DAC | Analog Devices
AD7394BCPZ

AD7394BCPZ - 12-Bit Serial DAC | Analog Devices

The AD7394BCPZ is a 12-bit digital-to-analog converter (DAC) from Analog Devices, featuring a serial interface and dual-channel output. It operates from a single 2.7V to 5.5V supply, making it suitable for battery-powered and portable applications. The device is available in a compact 20-lead LFCSP package, offering a space-saving solution for precision analog output generation. A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current. DACs are essential in systems where digital processing must interface with the analog world, such as audio playback, motor control, and sensor calibration. The AD7394BCPZ belongs to the family of serial-input DACs, which use a simple SPI-compatible interface to receive data, reducing pin count and simplifying PCB layout compared to parallel-input DACs. Key features of the AD7394BCPZ include 12-bit resolution, dual buffered outputs, and a rail-to-rail output swing. It offers a typical settling time of 10 microseconds, ensuring fast response in control loops. The device also includes a power-on reset circuit that sets the output to zero scale, preventing unwanted transients during power-up. Its low power consumption, typically 1.5 mA, is ideal for power-sensitive designs. Technically, the AD7394BCPZ uses a resistor-string architecture with an internal output buffer, providing monotonic performance and low glitch energy. The serial interface supports daisy-chaining, allowing multiple DACs to be controlled with a single chip-select line. The device is specified over the industrial temperature range of -40°C to +85°C, ensuring reliable operation in harsh environments. Typical applications include programmable voltage sources, digital gain and offset adjustment, and industrial process control. In audio systems, it can be used for volume control or tone adjustment. Its small footprint and low power make it suitable for portable instrumentation and battery-operated devices. When designing with the AD7394BCPZ, ensure that the reference voltage is stable and adequately decoupled. The output buffer can drive capacitive loads up to 100 pF without oscillation, but larger loads may require an external buffer. Proper layout with a solid ground plane is recommended to minimize noise and achieve full 12-bit accuracy.

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AD74416HBCPZ - Quad Channel Flexible I/O with HART | Analog Devices
AD74416HBCPZ

AD74416HBCPZ - Quad Channel Flexible I/O with HART | Analog Devices

The AD74416HBCPZ is a quad-channel, software-configurable input/output (I/O) device from Analog Devices, designed for industrial process control and smart transmitter applications. It integrates four channels that can be independently configured as analog input (voltage or current), analog output (voltage or current), digital input, or digital output, all controlled via a serial peripheral interface (SPI). The device features a 16-bit resolution and supports a data rate of 19.2 kSPS, making it suitable for high-precision measurement and control loops. It is housed in a 64-lead LFCSP (9x9 mm) package, offering a compact solution for space-constrained industrial modules. A software-configurable I/O (SIO) device is a versatile analog front-end that replaces multiple discrete components (e.g., ADCs, DACs, op-amps, and protection circuits) with a single programmable IC. It sits within the data acquisition subsystem of a programmable logic controller (PLC) or distributed control system (DCS), bridging field sensors/actuators to the digital control core. By reconfiguring each channel via software, the same hardware can handle diverse signal types, reducing BOM cost and board area while simplifying inventory management. Key features of the AD74416HBCPZ include integrated HART (Highway Addressable Remote Transducer) modem support, which enables simultaneous analog and digital communication over the same two-wire loop. The device provides two address pins to support up to four devices on a single SPI bus, facilitating multi-channel expansion. It also includes a 16-bit sigma-delta ADC and a 16-bit DAC per channel, ensuring high accuracy. The SPI interface operates at up to 19.2 kHz, and the device supports both SPI and GPIO access for digital I/O, enabling flexible system integration. From a technical perspective, the AD74416HBCPZ employs a precision analog front-end with programmable gain and filtering, allowing direct connection to 4-20 mA loops, thermocouples, RTDs, and voltage signals. The HART modem is fully compliant with the HART protocol, enabling digital communication without disrupting the analog signal. The device operates from a single 3.3 V or 5 V supply and includes on-chip diagnostics, such as open-wire detection and overcurrent protection, enhancing system reliability. Typical applications include PLC analog I/O modules, industrial process transmitters, smart valve positioners, and building automation controllers. The AD74416HBCPZ is ideal for these applications because it reduces component count, simplifies design, and provides high accuracy over extended temperature ranges (-40°C to +105°C). When designing with this device, ensure proper decoupling on the AVDD and DVDD supplies, and use a clean ground plane to minimize noise. The SPI lines should be kept short and shielded if possible, and the HART output requires an external analog front-end (e.g., a HART modem IC) for full compliance.

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