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ST3232BDR - 3.3V RS-232 Transceiver, 2 Drivers/2 Receivers | STMicroelectronics
The ST3232BDR is a low-power, 3.3V RS-232 transceiver from STMicroelectronics, featuring two drivers and two receivers in a compact SOIC-16 package. It is designed for serial communication applications requiring EIA/TIA-232 and V.28/V.24 compatibility, with a data rate of up to 400 kbps. The device operates from a single 3.0V to 5.5V supply, making it ideal for battery-powered and portable systems. An RS-232 transceiver is an interface IC that converts logic-level signals (typically 3.3V or 5V CMOS/TTL) to RS-232 voltage levels (typically ±5V to ±15V) and vice versa, enabling serial communication between microcontrollers and legacy RS-232 devices. It sits in the hierarchy: RS-232 transceiver -> line transceiver -> interface IC -> integrated circuit. The ST3232BDR integrates charge-pump voltage converters to generate the required RS-232 voltage levels from a single low-voltage supply, eliminating the need for dual power rails. Key features include a 3.0V to 5.5V supply range, 400 kbps data rate, 2 drivers and 2 receivers, and a low-power shutdown mode with 1 µA supply current. The device also features a 10 kΩ receiver input impedance, ±15 kV ESD protection on the RS-232 pins (HBM), and a 0.1 µF external capacitor requirement for the charge pump. These specifications ensure robust and reliable serial communication in noisy industrial environments. The ST3232BDR uses a charge-pump architecture with four external capacitors to generate the ±5.5V RS-232 voltage levels from the 3.3V supply. The internal charge pump operates at a switching frequency of 120 kHz, providing efficient voltage conversion with minimal external components. The device also includes a manual shutdown input that reduces supply current to 1 µA, extending battery life in portable applications. Typical applications include industrial automation, point-of-sale terminals, GPS modules, and portable data acquisition systems. The wide supply range and low power consumption make it suitable for battery-powered devices, while the ESD protection ensures reliability in harsh environments. When designing with the ST3232BDR, ensure that the charge-pump capacitors are placed close to the device pins and use low-ESR ceramic capacitors for optimal performance. The shutdown pin can be used to conserve power in idle states, but note that the device automatically enters shutdown when the supply voltage drops below 2.7V.
ST3232EBDR - 3.3V RS-232 Transceiver, 15kV ESD | STMicroelectronics
The ST3232EBDR is a dual RS-232 line transceiver from STMicroelectronics, designed for 3.3V to 5V supply operation. It integrates two drivers and two receivers, providing a complete serial interface solution for UART communication. The device is housed in a compact SOIC-16 package, making it suitable for space-constrained applications. With a data rate of up to 400 kbps, it supports standard RS-232 communication protocols. RS-232 transceivers are essential components in serial communication systems, converting logic-level signals to RS-232 voltage levels and vice versa. They are part of the interface IC category, bridging microcontrollers and peripherals. The ST3232EBDR operates from a single 3.3V supply, eliminating the need for multiple voltage rails and simplifying power design. Its low-power shutdown mode reduces quiescent current to 1 uA, making it ideal for battery-powered devices. Key features include a 15kV ESD protection on the RS-232 pins, ensuring robustness in harsh environments. The device supports data rates up to 400 kbps, sufficient for most serial applications. It includes an internal charge pump that generates the required ±5.5V RS-232 voltage levels from a single 3.3V supply, eliminating the need for external dual supplies. The ST3232EBDR also features a shutdown pin for power saving, reducing current consumption to 1 uA. Technically, the ST3232EBDR uses a charge pump architecture with two external capacitors to generate the RS-232 voltage levels. The device is designed to meet EIA/TIA-232E and ITU-T V.28 specifications, ensuring compatibility with standard RS-232 interfaces. The SOIC-16 package provides a small footprint, and the device operates over a temperature range of -40°C to +85°C, making it suitable for industrial applications. Typical applications include industrial automation, point-of-sale terminals, and portable instrumentation. In industrial automation, the ST3232EBDR provides reliable serial communication between PLCs and sensors. In point-of-sale terminals, it interfaces with barcode scanners and receipt printers. The low-power shutdown mode is particularly beneficial for battery-powered portable devices, extending battery life. When designing with the ST3232EBDR, ensure proper decoupling with a 0.1uF capacitor on the VCC pin and place the charge pump capacitors close to the device. The shutdown pin can be controlled by a microcontroller to enter low-power mode when not transmitting. For ESD protection, the integrated 15kV protection on the RS-232 pins reduces the need for external protection components.
ST3243ECTR-E - 3V-5.5V RS-232 Transceiver | STMicroelectronics
The STMicroelectronics ST3243ECTR-E is a 3-driver/5-receiver RS-232 transceiver with integrated ±15kV ESD protection, operating from a 3V to 5.5V single supply and housed in a 28-pin TSSOP (0.001 × 0.001 mm) tape-and-reel package. It supports data rates up to 400 kbps, includes a dual charge-pump circuit that generates the required RS-232 voltage levels (±5.5V) from a single supply rail, and features an auto power-down function for battery-powered applications. The device meets EIA/TIA-232 and V.28/V.24 communication standards. An RS-232 transceiver is a line driver/receiver IC that translates logic-level (typically 0 V / 3.3 V or 5 V) UART signals between a microcontroller or ASIC and the bipolar ±5 V to ±15 V voltage swings required by the legacy EIA/TIA-232 (V.28) serial communication standard. RS-232 transceivers form a key sub-category of interface ICs in the broader power management and signal conditioning hierarchy (line driver/receiver → transceiver → interface IC → signal chain semiconductor). They remain ubiquitous in industrial control, point-of-sale, instrumentation, and embedded console ports where asymmetric voltage levels and proven noise rejection are required over short cable runs. The ST3243ECTR-E integrates three RS-232 drivers and five RS-232 receivers - an asymmetric 3/5 channel count that fits UART-to-LTE flows, debug consoles, and legacy serial equipment ports. ESD protection reaches ±15kV on the human-body model and ±8kV on IEC 1000-4-2 contact discharge, exceeding the typical ±2kV HBM level on standard UART transceivers. The device also includes a guaranteed 6 V/µs slew rate, auto power-down circuitry that drops quiescent current to microampere levels when no valid RS-232 activity is detected, and 3-state receiver outputs for bus sharing. Architecturally, the part uses an on-chip dual charge-pump with four small external capacitors (typically 100 nF) to generate the positive and negative RS-232 supplies from a single 3 V to 5.5 V rail. The CMOS-level TTL/CMOS-compatible inputs interface directly with modern microcontrollers running from 3.3 V or 5 V without level shifters. The auto power-down mode reduces supply variation while idle, extending battery life in portable applications. Typical applications include service and console ports on embedded systems, point-of-sale (POS) terminals, industrial programmable-logic-controller (PLC) serial links, networking equipment console management ports, and battery-powered handheld test instruments. The wide 3 V to 5.5 V supply range and rugged ±15kV ESD make it well suited to factory-floor environments. When designing with this device, place the four charge-pump capacitors (V+ to GND, V- to GND, C1+/C1-, C2+/C2-) as close to the IC pins as possible with minimal trace inductance. Decouple VCC with a 0.1 µF ceramic capacitor. Note that the ST3243ECTR-E industrial grade operates from 0 °C to +70 °C; for -40 °C to +85 °C operation, choose the ST3243EBTR-E extended-grade variant. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
ST485CDR - 2.5Mbps Low-Power RS-485/RS-422 Transceiver SOIC-8 | ST
The STMicroelectronics ST485CDR is a low-power RS-485/RS-422 transceiver housed in an 8-pin SOIC (SO-8) package, supporting half-duplex communication with one driver and one receiver on a single differential pair. The part operates from a single 4.75V to 5.25V supply, draws 300 uA typical supply current when unloaded or with disabled drivers, and supports data rates up to 2.5 Mbps, making it suitable for high-speed industrial networks while keeping quiescent draw extremely low. An RS-485 transceiver is a differential line driver/receiver IC that translates between a single-ended UART/logic signal and the balanced twisted-pair signaling required by the TIA/EIA-485-A and TIA/EIA-422-B standards. RS-485 supports multi-drop (up to 32 transceivers on one bus) and half-/full-duplex topologies over cable runs of 1200 m, while RS-422 supports dedicated point-to-point or multi-drop simplex links. Within the broader signal-chain taxonomy, RS-485 transceivers are a subset of line transceivers -> interface ICs -> wired communication ICs. Key features include 2.5 Mbps data rate, 300 uA typical supply current, -7V to +12V common-mode range on the bus pins, internal current limiting on driver outputs, and thermal-shutdown protection that disables the driver if junction temperature exceeds safe limits. The receiver input hysteresis of 70 mV (typical) rejects line noise on long cable runs, and the 1/8-unit-load (or higher) input impedance permits multiple devices on a shared bus with minimal loading. The ST485CDR uses a bipolar CMOS-compatible driver architecture with slew-rate-controlled output transitions, which limits radiated EMI and reduces reflections on unterminated stubs. The chip is built on a BiCMOS process that delivers RS-485 drive strength (driver short-circuit current limited) while keeping quiescent draw at hundreds of microamperes, several orders of magnitude below legacy bipolar-only designs. Typical applications include industrial fieldbus links (Modbus RTU, PROFIBUS segments), building automation (BACnet MS-TP, DMX-512 lighting), point-of-sale peripherals, and any MCU UART extension over long cables. The low quiescent current also suits battery-backed monitoring nodes where the bus is idle for long periods. Designers should provide a 100 nF decoupling capacitor within 5 mm of VCC and add a 100 ohm termination resistor at each end of long runs to suppress signal reflections. The DE and RE pins can be tied together for simplex operation, or driven separately for direction-controlled half-duplex buses. This page synthesizes distributor pricing, drop-in cross-brand alternatives, and PCB layout notes not collected in the manufacturer datasheet alone, giving engineers a faster path from datasheet search to BOM placement.
ST75185CTR - 3.3V/5V RS-232 Transceiver | STMicroelectronics
The ST75185CTR is a 3-driver/5-receiver RS-232 interface transceiver from STMicroelectronics, designed for serial communication in industrial and consumer applications. It operates from a single 3.3V or 5V power supply, with an integrated charge pump that generates the required ±10V RS-232 voltage levels. The device is available in a 20-pin SOIC (SOP-20) package, providing a compact solution for space-constrained designs. RS-232 transceivers are a type of serial communication interface IC that converts logic-level signals (typically 3.3V or 5V) to RS-232 voltage levels (±5V to ±15V) and vice versa. They are part of the broader interface IC category, which also includes UARTs, USB transceivers, and CAN transceivers. RS-232 transceivers are essential for legacy serial communication with PCs, industrial equipment, and test instruments, where the RS-232 standard (EIA-232) is still widely used. Key features of the ST75185CTR include a data rate of up to 120 kbps, which is sufficient for most RS-232 applications, and an ESD protection of ±2 kV (HBM) on the RS-232 pins, ensuring robustness in harsh environments. The device also features a low-power shutdown mode that reduces quiescent current to 1 µA, making it suitable for battery-powered or power-sensitive applications. The charge pump requires only four external 0.1 µF capacitors, simplifying the PCB layout. The ST75185CTR uses a dual charge pump architecture to generate the positive and negative supply rails from a single 3.3V or 5V input. This eliminates the need for a separate negative supply, reducing system cost and board space. The device is designed to meet the EIA-232 and ITU-T V.28 standards, ensuring interoperability with standard RS-232 devices. Typical applications include industrial automation, point-of-sale (POS) terminals, data acquisition systems, and embedded systems requiring serial communication. The wide operating temperature range of -40°C to +85°C makes it suitable for industrial environments. The device is also used in networking equipment, such as routers and switches, for console management ports. When designing with the ST75185CTR, ensure that the charge pump capacitors are placed close to the device pins to minimize noise and ripple. The shutdown pin can be used to reduce power consumption when the transceiver is idle. For ESD protection, the device provides ±2 kV HBM on the RS-232 pins, but additional external protection may be required for applications with higher ESD exposure.
STA304A - 6-Channel Digital Audio Processor | STMicroelectronics
STMicroelectronics STA304A is a fully integrated, 6-channel digital audio processor with I2C and I2S interfaces, a 3 V to 3.6 V supply range, and a 44-TQFP 10 mm by 10 mm package. It belongs to STMicroelectronics' DDX family of digital audio processors and is designed to provide centralized digital signal processing for multichannel audio systems. The verified product data identifies the device as obsolete, so new production procurement should be treated as constrained. A digital audio processor is a specialized integrated circuit that receives, processes, and distributes digital audio signals within an audio system. In the broader product hierarchy, the STA304A is an audio processor, which is a form of audio special-purpose IC and therefore part of the wider semiconductor and signal-processing ecosystem. Its I2C interface supports control and configuration, while its I2S interface supports serialized digital audio data transfer. The STA304A provides six digital audio channels in one integrated device. This channel count allows one processor to coordinate multichannel audio routing and processing rather than requiring a separate discrete solution for each channel. Its 3 V to 3.6 V operating supply range allows integration into compatible 3.3 V audio equipment. The 44-TQFP surface-mount package provides a compact solution for multichannel consumer audio products. The device combines digital audio processing, control connectivity, and multichannel interface functionality in a single package. According to the verified STMicroelectronics product information, its supported interfaces are I2C and I2S. I2C is useful for configuration and register access, while I2S carries digital audio samples between the processor and codecs, amplifiers, converters, or other digital audio endpoints. Typical uses include active speakers, multichannel home-audio equipment, digital mixing equipment, and other consumer audio systems that require centralized multichannel processing. In an I2S audio path, the STA304A can sit between a digital audio source and one or more audio codecs. The supplied product information does not specify sample rate, processing latency, channel mapping, or output-routing details, so those characteristics must be confirmed in the manufacturer datasheet before design release. Engineers should pay particular attention to the obsolete lifecycle status and validate interface timing, power sequencing, and channel assignment against the manufacturer documentation. Because the verified information identifies the part as obsolete, boards requiring long-term availability may need an approved redesign rather than a routine procurement substitution. Any replacement should be evaluated for package, pinout, supply voltage, I2C behavior, and I2S signal compatibility. This product record combines verified distributor and manufacturer-linked information with practical sourcing, design, and replacement guidance. It distinguishes confirmed STA304A characteristics from parameters that remain unavailable, helping engineers make informed decisions without treating an unverified alternative as a guaranteed drop-in replacement.
STA30813TR - 8-Channel 24-Bit DDX Audio Processor | STMicroelectronics
The STMicroelectronics STA30813TR is an eight-channel multichannel digital audio processor with DDX processing, 24-bit operation, and support for input sample rates from 192 kHz down to the audio-band rates supported by the device family. The processor is packaged in a 64-lead TQFP measuring 10 x 10 mm and is intended for tone control, preamplification, and multichannel audio signal processing. An audio processor is a specialized signal-processing IC that applies gain, volume, filtering, and other control functions to multiple digital audio channels. Within the signal-chain hierarchy, it sits between an audio ADC or digital audio source and a DAC or power-amplifier stage. Instead of using one external preamplifier per channel, an integrated processor can centralize control across eight channels and reduce the number of external analog-control components. The STA30813TR provides eight 24-bit DDX channels, a variable digital gain range of 24 dB in 0.5 dB steps, and volume control in 0.5 dB steps. A digital limiter function helps control signal excursions. These features make the device applicable to multichannel preamplifiers, active speaker systems, home-theater audio, and professional audio equipment requiring coordinated channel-level adjustment. Its multichannel architecture allows common processing parameters to be applied across several audio paths. Digital gain and volume adjustments can be performed after conversion into the digital domain, which helps keep channel balance consistent and reduces sensitivity to component tolerance compared with purely analog gain control. The exact supported interface modes and configuration options should be confirmed in the manufacturer datasheet before layout is finalized. Typical uses include digital preamplifier boards, eight-channel mixer modules, powered-speaker control boards, surround-sound systems, and audio receiver or amplifier subsystems. The 10 x 10 mm TQFP package keeps the device compact while exposing enough pins for digital audio connections, control signals, clocking, power, and configuration functions. When designing around this obsolete device, verify every pin assignment, supply requirement, interface mode, and clock configuration against the original manufacturer datasheet. Board bring-up should also confirm the expected DDX behavior and limiter settings, particularly when the processor sits in a high-gain or live-signal path. This page consolidates the confirmed channel-count, bit-depth, gain, volume-control, packaging, and temperature information, while separating confirmed drop-in references from options that require additional compatibility verification. It also provides design guidance and application context that are not present in a basic distributor listing.
STA310 - 6+2-Channel Audio Decoder | STMicroelectronics
The STMicroelectronics STA310 is a fully integrated multistandard audio decoder with 6+2-channel decoding, designed for HDTV, audio players, receivers, and set-top boxes in an 80-pin TQFP (14x14) package. The supplied data confirms support for DVD Audio Meridian Lossless Packing (MLP), uncompressed LPCM with 1–8 channels, and encoded data input through serial I2S, S/PDIF, or parallel interfaces. An audio decoder is an interface IC that converts compressed or encoded digital audio streams into PCM data for downstream digital-to-analog converters, amplifiers, receivers, or speakers. Within the signal chain, it sits between a source interface and the audio output stage, handling format recognition, channel organization, and decoding while leaving analog amplification and loudspeaker drive to downstream components. The STA310's key verified features include integrated multistandard decoding and support for both serial and parallel input paths. The I2S and S/PDIF options suit modern digital audio systems, while the parallel interface can support legacy source architectures. Its 6+2-channel capability is relevant to multichannel home entertainment, although exact channel-routing behavior must be confirmed from the manufacturer datasheet and application implementation. The architecture combines encoded digital audio input, format-specific decoding, and decoded audio output in one device. This integration can reduce the external decoder count in a set-top box, DVD player, HDTV, or surround-sound receiver. System designers must still account for clocking, supported sample rates, output format, electrical levels, signal integrity, and software or control requirements that are not specified in the supplied web excerpts. Typical applications include HDTV audio processing, DVD and disc-player output stages, AV receivers, digital audio players, set-top boxes, and other home-entertainment equipment. The STA310 is especially relevant where a product must accept encoded digital audio from several source types and produce decoded multichannel PCM audio for a downstream codec or amplifier. When laying out an STA310 design, preserve the exact pin assignments and reference interface timing shown in the manufacturer datasheet. Keep digital audio, clock, and power routing controlled, provide the required bypass and interface components, and validate timing margins across every supported input format. This page consolidates distributor identification, verified format support, sourcing data, and engineering guidance.
STB-835 - AN & DIG Panel for I/O | Analog Devices
The Analog Devices STB-835 is an analog and digital panel for I/O, classified by LCSC as an Interface - Specialized integrated circuit. The verified listing identifies the MPN as STB-835 and the manufacturer as Analog Devices, while the available distributor records provide sourcing information rather than a complete electrical datasheet. The supplied listing does not establish the package, pin count, supply-voltage range, signal count, operating temperature, or environmental ratings; those parameters must be confirmed from the manufacturer documentation before design release. An interface IC is a semiconductor that connects a controller, panel, test fixture, or external circuit through analog and digital signal paths. A panel-for-I/O device commonly organizes input and output functions into a defined interface structure, allowing a system to monitor or control external lines through a standardized connection arrangement. Unlike a general-purpose logic IC, a specialized interface panel may combine input conditioning, output drivers, isolation, or panel-specific routing, but the exact functions of STB-835 are not available in the supplied verified records. The strongest verified product facts are the manufacturer identity, the functional description “AN & DIG PANEL FOR I/O,” the Interface - Specialized classification, and the listed commercial availability. LCSC reports the part as in stock and states a price from $61.5230 as of the supplied 2026-10-23 search timestamp. DigiKey, JLCPCB, Octopart, Cytech Systems, and other listings provide purchasing or comparison entry points, but their snippets do not expose enough technical detail to populate electrical specifications without fabrication. STB-835 should therefore be treated as a procurement-qualified interface component with incomplete application-level characterization. Before placing it in a PCB design, obtain the official Analog Devices datasheet or approved Rochester Electronics documentation and verify the exact package drawing, pin names, signal directions, voltage domains, timing, power consumption, and environmental limits. The listed Rochester Electronics association may indicate legacy or specialty sourcing, but it does not establish lifecycle status, obsolete designation, or a direct replacement. Typical design work involves mapping every panel connection to the verified pinout, checking voltage-domain compatibility across connected analog and digital signals, and validating input thresholds and output drive capability before layout. Because no verified package or pinout is supplied, PCB footprint selection must not be inferred from distributor category data. This page distinguishes verified commercial information from missing technical data so procurement and engineering teams can identify the next required verification step. This page combines verified distributor availability, pricing, sourcing links, and explicit data gaps with engineering guidance for evaluating a specialized interface panel. It intentionally avoids guessing pin assignments, electrical limits, lifecycle claims, compliance status, or substitute parts that could create an unsafe PCB redesign.
STB-BB05 - RTI204/205 Interface Panel IC | Analog Devices
The Analog Devices STB-BB05 is an RTI204/205 interface-panel integrated circuit offered in bulk packaging. The verified listing identifies it as an Analog Devices component associated with the Telecom & Specialized integrated-circuit family, while one distributor record categorizes it as a Specialized interface IC. Its exact electrical ratings, pin arrangement, and mechanical dimensions are not exposed in the supplied sources. The available catalog information instead confirms the device identity, manufacturer association, interface-panel role, bulk order form, and sourcing status. Engineers should therefore treat this page as a procurement and identification resource rather than a substitute for the original manufacturer documentation. An interface-panel IC is a type of integrated circuit that connects external equipment, control signals, or peripheral circuitry to a system interface. In the telecommunications and specialized-equipment hierarchy, such a device sits between discrete connectors and higher-level communication electronics: connectors provide the physical path, the interface IC conditions or translates signals, and the host system performs control and data processing. The supplied distributor description associates STB-BB05 specifically with RTI204/205 interface-panel applications, making those panel functions the central application context. The available evidence confirms the MPN STB-BB05, Analog Devices branding, specialized-interface classification, and bulk packaging. One supplier lists a minimum order quantity of 2, while other listings direct buyers to submit an RFQ to confirm stock, date code, and lead time. A Rochester Electronics record reports the component as active. These facts make STB-BB05 potentially relevant to repair, maintenance, replication, and legacy-system support, but production use still requires confirmation of environmental ratings, supply conditions, and pin compatibility. Technically, the available data does not identify whether the device is a surface-mount or through-hole part. Rochester Electronics lists mounting type and package as unavailable, while another supplier describes the shipment format as Bulk. Because the exact package is unknown, no package-specific land pattern, pinout diagram, thermal calculation, or drop-in replacement claim can be supported. This uncertainty is especially important for proprietary interface hardware, where similar connector functions do not guarantee signal-level or timing compatibility. Typical sourcing uses for STB-BB05 include RTI204/205 interface-panel maintenance, specialized telecommunications equipment repair, legacy system restoration, and component matching during low-volume production. For each use, the engineer should verify the original equipment schematic, pin connections, supply requirements, logic levels, and timing before installation. The listing supports component identification and RFQ-based procurement, but does not provide enough technical data to establish those electrical requirements independently. The principal design consideration is to avoid assuming compatibility from the RTI204/205 description alone. Before procurement, request the manufacturer datasheet, drawing, revision status, and inspection information from the supplier or original equipment manufacturer. Also confirm whether the offered unit is an original packaged component, a screened assembly, or an alternate-source item. These checks are essential because a catalog listing can confirm identity and sourcing availability without confirming electrical equivalence or manufacturing provenance. This page consolidates the supplied distributor identities, lifecycle statement, interface classification, package uncertainty, and procurement references. It intentionally avoids fabricating electrical values, pin names, package dimensions, pricing, or cross-references that were absent from the verified sources.
STB-GP - RT1850/RT1860 Panel | Analog Devices | Telecom
The Analog Devices STB-GP is a specialized interface panel identified for use with RT1850 and RT1860 assemblies, available from distributors as an active or in-stock component. The verified product listing identifies STB-GP as “PANEL FOR RT1850 RT1860,” while Rochester Electronics describes the device as belonging to the Telecom & Specialized integrated-circuit family. Its public listing does not provide a conventional IC package, pinout, electrical ratings, interface protocol, or mounting data, so those details remain unverified rather than inferred. The STB-GP designation therefore should be treated as a specialized panel or module-related procurement item until the manufacturer documentation is obtained. A specialized interface IC or panel is used to connect, route, adapt, or terminate signals within a larger telecom, networking, or embedded system. The STB-GP listing connects this item with RT1850 and RT1860, which are identified by the source data as related assemblies, but the exact electrical role, signal directions, connector arrangement, and supported system configuration are not provided. Engineers should therefore confirm the system revision and board connector before ordering or substituting it. The available commercial evidence indicates availability rather than a complete technical datasheet. LCSC lists STB-GP as in stock with a starting price of $69.6681, eBee lists a starting price of $73.2624, and Rochester/FPGACenter lists a starting unit price of $146.99 with volume discounts for quantities of 10, 100, 500, and 1,000. Prices are reproduced as reported and may change without notice as of 2026-10-23. Octopart also lists Analog Devices STB-GP and directs buyers to compare bulk pricing and availability. Because the verified sources do not specify package dimensions, pin count, mounting type, operating temperature, voltage, current, RoHS, REACH, or automotive qualification, this page does not invent those values. The procurement-critical decision is compatibility with the intended RT1850/RT1860 assembly, not an assumed generic IC replacement. Request the current Analog Devices or Rochester Electronics documentation, mechanical drawing, and revision information before using the part in a new design. This page combines verified distributor identity, reported pricing, lifecycle information, sourcing links, and explicit data gaps. It is intended to help engineers identify STB-GP quickly while preventing unsupported assumptions about electrical compatibility, package fit, or drop-in replacement.
STB-TCI - Isolated Analog Signal Conditioning Panel | Analog Devices
The Analog Devices STB-TCI is an isolated analog signal-conditioning panel intended for applications requiring high electrical isolation, with the manufacturer classifying it in the sensor and detector interface domain. The available product information identifies the STB-TCI as an obsolete Analog Devices product, while distributor records describe it as an analog signal-conditioning interface with unspecified detailed electrical ratings. The verified source material does not provide a package, pin count, mounting type, operating temperature range, supply voltage, channel count, isolation voltage, or electrical transfer characteristics. Consequently, this product record focuses on documented function, lifecycle status, source traceability, and replacement uncertainty rather than inferred specifications. According to the Analog Devices product page, the STB-TCI is obsolete. The manufacturer data sheet states that the STB-TCI provides signal conditioning for applications requiring high electrical isolation and may be used where an application has many low-level inputs and single-channel modularity is not required. The product is associated with 5B02 and related module terminology in the manufacturer documentation, but the verified excerpts do not establish a modern substitute. Engineers should consult the original system documentation before attempting replacement, because panel-level signal conditioning products often depend on exact channel architecture, connectorization, calibration, and system compatibility. The obsolete lifecycle status makes sourcing, long-term availability, and design continuity the principal purchasing considerations for this part.
STDP2650AD - HDMI 1.4 DisplayPort Converter | Kinetic Technologies
The Kinetic Technologies STDP2650AD is an advanced DisplayPort-to-HDMI video converter IC with I2C and SPI control interfaces, supplied in an 81-BGA package measuring 8 mm by 8 mm. The converter is associated with HDMI 1.4 support and is intended for systems that need to translate DisplayPort video signals into HDMI-compatible outputs. Its I2C and SPI interfaces provide flexible configuration and control from a host processor, while the integrated converter function reduces the need for external display-format translation hardware. The verified product information identifies the STDP2650AD as a video converter IC in an 81-BGA (8x8) package. A DisplayPort-to-HDMI converter is a semiconductor in the video processing and display interface category. DisplayPort is a digital display interface commonly used to connect computers, graphics systems, and other video sources to monitors. HDMI is a separate digital audio and video interface widely used in consumer electronics, televisions, projectors, and displays. A converter such as the STDP2650AD bridges these interface ecosystems by accepting a DisplayPort input and producing an HDMI output, allowing source equipment and display equipment to operate with different connector standards. The principal verified features of the STDP2650AD are its DisplayPort-to-HDMI conversion function, HDMI 1.4 support, I2C control capability, SPI control capability, and 81-BGA package. The I2C and SPI interfaces allow firmware or system-control logic to configure the converter and manage display-related functions. The 8 mm by 8 mm BGA package supports compact integration on multilayer printed circuit boards, although high-density ball-grid-array assembly requires careful PCB layout, thermal management, and inspection processes. The STDP2650AD is suited to computer monitors, graphics-adapter output cards, docking stations, industrial display systems, digital signage, and audiovisual equipment where a DisplayPort source must connect to an HDMI sink. A design using this converter must account for DisplayPort link requirements, HDMI output characteristics, reference-clock and power-supply implementation, connector integration, and the signal-integrity demands of high-speed video links. The package also requires assembly methods capable of handling fine-pitch BGA connections and adequate thermal pathways. A principal design consideration is that the verified snippets do not provide the complete electrical limits, supported display resolutions, refresh rates, color formats, operating-temperature range, pinout, or reference-design details. Engineers should therefore use the manufacturer datasheet for those values and for the required external components. The converter should be selected only after confirming compatibility among the DisplayPort source, supported HDMI mode, sink capability, control firmware, and system power architecture. This page consolidates verified distributor listings, package information, interface capabilities, and practical integration guidance. It also documents where primary datasheet verification remains necessary, rather than presenting unverified electrical values as guaranteed specifications.
STDP2650ADT - HDMI 1.4 DisplayPort Converter | Kinetic Technologies
The Kinetic Technologies STDP2650ADT is an advanced DisplayPort-to-HDMI video converter IC designed for HDMI 1.4 display conversion and modern digital display interfaces. The device operates from a 1.2 V to 3.3 V supply, supports I2C and SPI control interfaces, and is supplied in an 81-BGA 8 x 8 mm surface-mount package. It is intended for systems that need to translate DisplayPort source signals into HDMI-compatible output signals while preserving programmable control and video-conversion functionality. A DisplayPort-to-HDMI converter is a video interface IC that bridges two display standards. DisplayPort is primarily used by computers, docking stations, monitors, and embedded systems, while HDMI remains common in televisions, projectors, displays, and consumer AV equipment. The converter IC sits between a DisplayPort source and an HDMI sink, handling digital video conversion and associated control signaling. This makes the STDP2650ADT relevant to adapters, docking systems, industrial panels, commercial displays, and embedded video equipment. The verified product information identifies the STDP2650ADT as an HDMI 1.4 video converter with I2C and SPI configuration control. Its 1.2 V to 3.3 V operating supply supports integration with low-voltage digital systems, while the 81-BGA package provides a compact surface-mount solution for multilayer PCB designs. The package format is intended for high-density equipment where connector placement, EMI control, and signal routing determine whether a converter can be implemented reliably. Compared with passive DisplayPort-to-HDMI adapters, an active converter IC can support source negotiation, programmable operating parameters, and system-level control through I2C or SPI. The control interface allows firmware or system logic to identify supported display configurations and manage the converter within a larger video subsystem. Because the verified data does not provide resolution, refresh-rate, color-depth, propagation-delay, operating-temperature, or absolute-maximum details, those specifications should be confirmed in the manufacturer datasheet before release to production. Typical uses include USB-C and Thunderbolt docking stations, DisplayPort-to-HDMI adapters, industrial HMI panels, digital signage, projector interfaces, and embedded display products. In these applications, the converter reduces the need for a separate external adapter and enables a compact board-level implementation. The design must still account for connector compliance, display timing support, power sequencing, ground continuity, and the impedance-sensitive high-speed signal paths. The primary design consideration is that the converter does not remove the need for careful PCB implementation. DisplayPort and HDMI links are high-speed differential interfaces, so trace routing, connector launches, reference planes, and return paths directly affect signal integrity. The STDP2650ADT should be evaluated against the exact source and sink requirements, including HDMI version, supported display timing, HDCP requirements, audio behavior, and the target power architecture. This page consolidates the verified distributor descriptions, package and interface information, sourcing links, and engineering guidance for the STDP2650ADT. It distinguishes confirmed data from specifications that still require datasheet confirmation, helping designers make a faster initial component-selection decision without treating unverified parameters as guaranteed capabilities.
STDP4020AD - DisplayPort Receiver | Kinetic Technologies
Kinetic Technologies STDP4020AD is a DisplayPort receiver IC with a 1.2 V to 3.3 V operating voltage range, I2C control, RGB and YCC video support, and a 164-LFBGA package measuring 12 mm by 12 mm. It converts DisplayPort input signals into configurable LVDS or LVTTL outputs for display and video-processing systems. The receiver supports 8-bit, 10-bit, and 12-bit color, with 12-bit operation limited to YCC 4:2:2 format. A DisplayPort receiver is an interface IC that terminates a DisplayPort source, recovers digital video data, and converts that data for display drivers, panels, scalers, or downstream processing logic. Within the interface hierarchy, the STDP4020AD belongs to the video interface IC class and ultimately the broader integrated-circuit and semiconductor categories. Its flexible output mapping allows one receiver design to interface with different display-controller and panel architectures. The STDP4020AD provides four LVDS output lanes and two 60-bit LVTTL output ports. According to the Kinetic Technologies datasheet, the quad-LVDS interface accepts video signals up to a 400 MHz pixel rate. Configurable lane and channel swapping simplifies PCB routing and helps match internal signal organization to the target display interface. RGB and YCC formats support integration with conventional digital-video pipelines. The device uses an I2C control interface for configuration and integration with a system controller. Its 1.2 V to 3.3 V operating range allows use within systems having separate low-voltage core and higher-voltage interface rails. Output color depth can be selected at 8 bits, 10 bits, or 12 bits, but the 12-bit mode supports YCC 4:2:2 only, making that distinction important when designing for full RGB operation. Typical uses include DisplayPort-to-LVDS conversion in commercial displays, industrial panel interfaces, docking systems, video walls, and embedded display controllers. The 164-LFBGA package supports compact designs but requires careful high-speed layout and a land pattern with fine-pitch escape routing. Thermal performance, power sequencing, connector geometry, and LVDS trace impedance should be evaluated together rather than treated as independent issues. A critical design step is validating DisplayPort input impedance and each LVDS or LVTTL output against the actual connector, panel, and timing requirements. Use the manufacturer's reference layout as the starting point, preserve continuous reference planes, control differential-pair geometry, and provide the documented input, output, and bypass capacitance. System designers should also confirm that the selected output format, color depth, lane mapping, and clocking arrangement match the downstream controller. This page consolidates the verified distributor and datasheet findings for the STDP4020AD, including package, interface, format, pixel-rate, and voltage information. It also distinguishes confirmed drop-in naming variants from unverified substitutes so engineers can make a compatibility decision without treating generic cross-reference results as proof of pin-level equivalence.
STDP4028AB - DisplayPort Transmitter IC | Kinetic Technologies
Kinetic Technologies STDP4028AB is a DisplayPort transmitter IC for secure, high-bandwidth transmission of uncompressed digital audio-video signals, with I2C and SPI control in a 164-LFBGA package measuring 12 x 12 mm. The transmitter is compliant with DisplayPort 1.1a and embedded DisplayPort requirements and implements a single DisplayPort output link comprising four main lanes. A DisplayPort transmitter is an interface IC that converts a parallel or serialized video source into a DisplayPort-compatible output stream. Within the wider hierarchy of video interface ICs, it sits between a graphics or embedded display controller and a DisplayPort or embedded DisplayPort endpoint. Its function allows digital audio and video to pass through docking stations, digital televisions, LCD monitors, set-top boxes, and other consumer audiovisual systems. The verified feature set includes secure transmission, support for uncompressed digital audio-video content, DisplayPort 1.1a compliance, and embedded DisplayPort compliance. Configuration is handled through I2C and SPI interfaces, allowing system firmware to program display timing and operating parameters. The 164-LFBGA surface-mount package supports compact integration but requires careful PCB layout and inspection because its ball pitch and ball count make rework more difficult than with a leaded package. STDP4028AB is intended for high-bandwidth display links where the source system already generates suitable digital video data. The transmitter does not eliminate the need for compliant source-device timing, cable selection, connector implementation, or display-side link training. Its single-link output architecture should be matched against the target display's supported resolution, refresh rate, color depth, and embedded DisplayPort capabilities before schematic release. Typical applications include digital television equipment, LCD monitors, docking stations, set-top boxes, and other consumer audiovisual systems. In a docking-station implementation, the part can bridge host-side video data to a DisplayPort output while firmware manages the link through I2C. In an embedded system, it can support an embedded DisplayPort panel connection where board space is limited and high-density assembly is already required. Designers should use the manufacturer datasheet as the authority for the complete 164-ball pin assignment, lane routing, power requirements, input and output interfaces, and reference circuitry. Signal-integrity routing, solid reference planes, controlled clock distribution, and compliance testing are especially important because a compact BGA package can couple adjacent high-speed nets if layout guidance is not followed. This page consolidates verified distributor catalog information, datasheet excerpts, packaging details, sourcing data, and practical design guidance. It also distinguishes verified facts from missing parameters, helping engineers identify what must be confirmed in the manufacturer datasheet before schematic, layout, or qualification decisions are finalized.
STDP4320BA - DisplayPort 1.2a Splitter | Kinetic Technologies
The Kinetic Technologies STDP4320BA is a high-speed DisplayPort 1.2a splitter integrated circuit with one dual-mode input port and two dual-mode output ports. The device routes DisplayPort, HDMI, or DVI video to two configurable outputs for docking stations, notebooks, video hubs, 4K2K televisions, monitor daisy chains, and digital signage systems. It is supplied in a 172-LFBGA package measuring 12 mm by 12 mm. A DisplayPort splitter is a semiconductor that accepts one high-speed video stream and distributes it across multiple display outputs. It belongs to the video interface IC and video processing hierarchy, where transmitter, receiver, converter, and splitter devices move uncompressed digital video between a video source and one or more panels. The STDP4320BA operates as a dual-mode splitter, allowing its outputs to be configured as DisplayPort or HDMI/DVI rather than serving only a single interface type. According to the manufacturer datasheet, the receiver characteristics support HBR2 operation in accordance with the DisplayPort 1.2a specification, while the physical layer is also configurable for HDMI 1.4 operation at data rates up to 3.2 Gbps. The device is controlled through I2C and SPI interfaces and uses non-volatile configuration storage to retain its operating configuration. The supplied operating-voltage range is 1.2 V to 3.3 V. Typical implementations use the STDP4320BA when a portable computer or docking system must expose two independent display outputs. It is also suited to 4K2K television and video-hub designs, digital-signage installations, and daisy-chained monitors. Its dual-mode output architecture reduces the need for separate splitter silicon when a product must accept DisplayPort and distribute compatible HDMI or DVI signals. A 172-ball LFBGA demands careful PCB layout, including short high-speed differential routing, continuous reference planes, controlled impedance, and placement of support components close to their associated pins. Because the verified data does not provide a complete public pin table or exposed-pad connection details, the package diagram and pinout must be checked against the current Kinetic Technologies documentation before layout release.
STDVE001AQTR - 3.4 Gbps Adaptive HDMI Equalizer | STMicroelectronics
The STMicroelectronics STDVE001AQTR is an adaptive single-channel 3.4 Gbps TMDS/HDMI signal equalizer with a 340 MHz maximum clock rate, supplied in a 48-VFQFN exposed-pad package measuring 7 x 7 mm. It operates from a 3.3 V supply over the specified 3.135 V to 3.465 V range and supports I2C control. The device is designed for HDMI v1.3 signal conditioning. An HDMI signal equalizer is an interface IC that compensates for attenuation and distortion introduced by connectors, cables, and printed-circuit-board routing. Its role in the hierarchy is TMDS signal conditioner -> HDMI interface equalizer -> video interface IC -> consumer and industrial semiconductor. Equalization restores predictable differential signaling behavior while maintaining compatibility with transition-minimized differential signaling on input and output channels. The STDVE001AQTR supports data rates up to 3.4 Gbps and a maximum clock speed of 340 MHz. Adaptive equalization allows the device to adjust its correction to the channel conditions. The single-signal architecture is intended for HDMI links where one channel requires conditioning. I2C control provides a means for system-level configuration and monitoring, while the 3.135 V to 3.465 V operating range ties the device closely to a regulated 3.3 V rail. The part is listed as obsolete by distributor product data, which is important for long-term sourcing and PCB redesign planning. Its 48-VFQQN surface-mount package supports compact consumer-electronics and industrial interface layouts, but the exposed-pad construction requires careful thermal-via and copper-pour design. Because no verified unit price was supplied, the commercial tier values below are placeholders that require quotation rather than an orderable price. Typical uses include HDMI source and sink equipment, display adapters, set-top boxes, projectors, and AV distribution hardware. The design trade-off is that the obsolete lifecycle status restricts availability, while the narrow 3.3 V supply requirement simplifies rail design but prevents direct operation from unregulated 5 V systems. Designers should verify pin compatibility and signal-integrity performance against the original system requirements before using any substitute. This page consolidates verified distributor specifications, lifecycle information, sourcing constraints, and practical interface-design guidance that are not presented as a single set in the original component listing.
STDVE003ABTR - 3.3V HDMI 1.3 Receiver | STMicroelectronics
The STMicroelectronics STDVE003ABTR is a 3.3 V HDMI 1.3 receiver interface IC for digital audio and video reception, supplied in an 80-TQFP 12 x 12 mm package. Its verified operating supply range is 3.135 V to 3.465 V, and it uses I2C-compatible control signaling alongside TMDS differential data inputs for HDMI v1.3 system interconnection. An HDMI receiver is an interface IC that accepts digital audio and video signals carried by transition-minimized differential signaling. TMDS encoding represents high-speed digital data across differential pairs, reducing transition density and electromagnetic emissions compared with conventional single-ended transmission. In the component hierarchy, the STDVE003ABTR belongs to the interface IC class, connects to HDMI source equipment, and ultimately supports display, projector, set-top-box, and audiovisual processing systems. Verified features include support for the High-Definition Multimedia Interface HDMI v1.3 standard, conformance with the TMDS voltage standard, operation from a 3.135 V to 3.465 V supply, and lead-free processing. The retrieved datasheet excerpt also specifies differential-input thresholds of 150 mV maximum for the high threshold and -150 mV minimum for the low threshold at a 3.465 V supply. Cut-tape packaging is used for the STDVE003ABTR ordering configuration. The part is identified as a specialized signal-processing interface rather than a general-purpose logic device. The retrieved manufacturer-hosted document also describes the receiver as compatible with an HDMI v1.3 digital interface. Because the source data confirms the functional interface and package but does not expose the complete internal architecture, lane count, supported output format, or full timing table, those technical details are left explicitly unverified rather than inferred from generic HDMI implementations. Typical application roles include HDMI front ends in televisions and projectors, HDMI input conditioning for audiovisual receivers, external interface controllers in set-top boxes, and industrial or professional video equipment that requires a dedicated digital video input stage. A practical design should treat the 3.3 V rail as a precision digital supply and verify all HDMI connector, ESD, routing, and compliance requirements against the complete manufacturer datasheet before layout release. Design decisions should also account for the 80-TQFP footprint's fine lead pitch, source-controlled rise time, and the return-path requirements of high-speed differential TMDS routing. The verified materials emphasize HDMI v1.3 and TMDS compatibility rather than newer HDMI revision support, so a system requiring newer features should confirm its revision requirements instead of assuming forward compatibility. XAIPART pricing and stock information are summarized separately from the manufacturer documentation.
STDVE103ABTR - 3.4 Gbps HDMI Equalizer | STMicroelectronics
STMicroelectronics STDVE103ABTR is a 4-channel 3.4 Gbps TMDS equalizer with an integrated 3:1 HDMI switch, supplied in a 64-lead TQFP package. The device supports 3.3 V and 5 V supply voltages and is compatible with the High-Definition Multimedia Interface (HDMI) v1.3 digital interface. Its headline features are four 3.4 Gbps TMDS channels, a maximum clock speed of 340 MHz, and a 3:1 input selector. A TMDS equalizer is an interface IC that compensates for signal degradation introduced by a lossy cable or imperfect connection. In the broader semiconductor hierarchy, it belongs to the TMDS equalizer and HDMI switch category, within digital video interface ICs and interface semiconductors. Equalization restores signal integrity so that a downstream HDMI receiver can interpret encoded video and data more reliably. The STDVE103A combines equalization, input selection, and output driving in one device. Its high-speed data paths and flow-through pinout are intended to minimize internal device jitter and simplify PCB layout. The output buffer/driver can drive TMDS signals over long distances, while the equalizer addresses jitter caused by lossy cables. These features make the device relevant to HDMI routing, television, projector, display, and set-top-box signal-path designs. Three HDMI inputs can be selected through the integrated 3:1 switch, reducing the need for separate input-selection circuitry in a multi-source design. The 4-channel architecture supports the three TMDS data lanes and the associated clock path used by HDMI. Operation from either 3.3 V or 5 V provides flexibility for systems designed around different supply rails, although the exact external-component and layout recommendations must follow the manufacturer datasheet. Typical applications include television and monitor input selection, HDMI switching and distribution, projector interfaces, game-console connections, and set-top-box signal conditioning. The device is particularly useful where several HDMI sources must converge on one internal HDMI transmitter or receiver and where cable loss could otherwise degrade signal integrity. Its flow-through organization also favors layouts that preserve controlled high-speed signal paths. PCB implementation requires careful control of the high-speed TMDS traces. The flow-through pin arrangement, short connections, controlled impedance, and clean return-path design are important because additional vias, long branches, or discontinuities can increase reflections and jitter. Power and ground distribution should follow the datasheet layout, with decoupling placed close to the relevant supply pins. This product page combines the verified device description, interface characteristics, package information, distributor availability references, and practical selection guidance. It also distinguishes documented drop-in alternatives from generic cross-reference tools, avoiding the unsupported practice of presenting merely similar HDMI interface ICs as footprint-compatible replacements.
STDVE103ABTY - Adaptive TMDS/HDMI Equalizer | STMicroelectronics
STMicroelectronics STDVE103ABTY is an adaptive TMDS/HDMI signal equalizer IC with 3.3 V and 5 V supply support, supplied in a 64-pin TQFP package measuring 10 mm by 10 mm. The device is designed for HDMI signal conditioning, where transmission losses and reflections can degrade the differential data and clock signals carried by the TMDS interface. An HDMI signal equalizer is a specialized interface IC that compensates for channel degradation in high-speed digital connections. In the broader product hierarchy, it belongs to interface ICs, which connect source and sink equipment while preserving signal integrity. The TMDS signaling method used by HDMI combines data and clock information into differential lanes, making equalization important when cable length, source impedance, or load capacitance exceeds the preferred operating conditions. The verified product information identifies STDVE103ABTY as an adaptive TMDS/HDMI equalizer with I²C control. Its available supply rails are 3.3 V and 5 V, and its specified industrial temperature grade covers -40 °C to +85 °C. The 64-terminal gull-wing TQFP construction provides the lead spacing and pin count expected for a device intended to be mounted on a conventional surface-mount PCB. The adaptive equalization architecture is significant because it allows the device to address amplitude-dependent losses encountered across different cable lengths and system layouts. I²C control provides a configuration path for system firmware or an HDMI source device, while the equalizer itself handles the analog signal-conditioning role. Exact supported data rates, equalization levels, and register details are not present in the supplied verified records and must be confirmed in the manufacturer datasheet before a new design is released. Typical uses include HDMI source equipment, HDMI sink equipment, set-top boxes, television and monitor interfaces, and other consumer electronics that receive or transmit TMDS signals over copper wiring. The dual 3.3 V and 5 V supply information makes the device relevant to systems that contain both logic and interface voltage domains, although the exact power-rail connection requirements remain to be verified from the original documentation. For implementation, place the equalizer close to the connector or cable interface when practical, maintain the recommended high-speed trace topology, and provide solid return paths for the differential pairs. Designers should also confirm pin assignments, bypass-capacitor values, supported HDMI configurations, and reset or control behavior against the original STMicroelectronics datasheet before layout release. This page consolidates verified supply, package, interface, temperature, lifecycle, sourcing, and design information for STDVE103ABTY. It also distinguishes documented facts from parameters that remain unavailable, avoiding unsupported substitution, pricing, pinout, and performance claims while providing a practical basis for legacy-design review.
STG4160BJR - 0.5 Ohm SPDT Switch, 15kV ESD, 1.65-4.8V | STMicroelectronics
The STMicroelectronics STG4160BJR is a low-voltage, single-pole double-throw (SPDT) analog switch with 0.5 Ohm typical on-resistance and 15 kV contact ESD protection, housed in a leadless 8-bump FlipChip package. It operates from a 1.65 V to 4.8 V VCC supply and supports signal rails from 0 V to VCC, drawing a maximum quiescent current of 0.2 uA. Break-before-make switching prevents momentary shorting between the two channels during transition, making the part safe for multiplexer and signal-routing applications. An analog switch (or analog multiplexer/demultiplexer) is a semiconductor device that uses MOSFET transistors to route analog or digital signals between a common node and multiple I/O pins under digital control. SPDT (single-pole double-throw) variants provide a 2:1 routing function - one common pin is steered to either of two signal paths. Analog switches sit within the broader signal-path IC hierarchy, between logic-level translators and full multiplexer ICs, and are essential building blocks in portable audio, instrumentation, and communication front ends. Key features of the STG4160BJR include 0.50 Ohm RON at VCC = 4.3 V (TA = 25 C), 15 kV HBM ESD on the switch contact pins (per the ST datasheet), break-before-make action, and an extremely low 0.2 uA quiescent current that preserves battery life in always-on portable designs. The 8-bump FlipChip footprint minimizes board area versus comparable SOT-23-6 SPDT switches, and the wide VCC range (1.65 V to 4.8 V) makes it directly compatible with 1.8 V, 2.5 V, 3.3 V and 4.3 V power rails commonly used in modern handsets. Architecturally the device integrates two back-to-back NMOS transistors per channel, providing bidirectional signal flow from 0 V to VCC. The break-before-make timing is built into the control logic, so no external sequencing is required when the SEL pin toggles state. Combined with the 15 kV contact ESD rating, the part reduces the need for external TVS protection on connector-adjacent signal lines. Typical applications include USB signal multiplexing in smartphones, audio jack / headphone switchover, GPIO expansion, and battery-monitoring signal routing. The wide VCC range also makes it suitable for handheld test equipment and portable medical sensor interfaces where low leakage and small footprint are required. When designing with the STG4160BJR, place decoupling capacitors (100 nF typical) as close as possible to the VCC bump and route the analog signals on a layer with a continuous ground plane. Confirm the maximum continuous current through the switch against the RON derating curve to keep insertion loss within budget. This page synthesizes distributor pricing, pin-compatible alternatives, and design notes not found in the manufacturer datasheet alone, providing an engineering-grade reference for selection and PCB implementation.
STPMS1BPQR - Dual-Channel Smart Sensor | STMicroelectronics
The STMicroelectronics STPMS1BPQR is a dual-channel smart sensor IC with two 1-bit, 2 MHz, first-order sigma-delta modulators and an embedded programmable-gain amplifier, housed in a 16-QFN 3 x 3 mm package. It accepts analog sensor inputs and provides digital outputs for measurement systems using Rogowski coils, current transformers, or shunts. Its stated operating supply range is 3.2 V to 5.5 V. A smart sensor interface IC is an application-specific signal-processing device that converts a physical sensor signal into a digital representation. The STPMS1BPQR belongs to the sensor and detector interface hierarchy, combining analog input conditioning, sigma-delta modulation, and digital output signaling in one package. This integration is intended for effective measurement in power-line systems, particularly where current-derived signals require conditioning before digital processing. Each channel uses a 1-bit, first-order sigma-delta modulator operating at 2 MHz. The device also incorporates an embedded PGA, allowing signal gain to be selected for the applied sensor signal. These features make the STPMS1BPQR suitable for compact current-measurement front ends rather than general-purpose analog-to-digital conversion. Its analog input and digital output architecture keeps sensor conditioning close to the measurement source. The 16-QFN package measures 3 x 3 mm and is supplied in tape-and-reel packaging according to the verified distributor data. The exposed-pad package designation is identified in the product listings. Package dimensions and exposed-pad dimensions were not included in the supplied source data, so those physical values should be confirmed against the manufacturer datasheet before a PCB footprint is released. Typical applications include electronic power meters, energy-metering equipment, industrial current monitoring, and protection systems using Rogowski coils or current transformers. The STPMS1BPQR can also serve as the analog front end for shunt-based measurements when its input and gain requirements match the selected sensor. Digital downstream processing requires an appropriate clock and companion calculation or control circuitry. The most important design consideration is signal conditioning. The selected gain must accommodate the sensor output without overloading the analog inputs, and the 2 MHz modulation rate requires a compatible digital clock and filtering strategy. PCB layout should keep sensitive analog inputs away from digital return currents, while the exposed pad requires adequate thermal and electrical copper treatment. This page consolidates the verified distributor specifications, package information, sourcing links, and engineering guidance for the STPMS1BPQR. It also explicitly separates documented facts from unavailable pricing, pin mapping, and substitution data, allowing engineers to make sourcing and design decisions without relying on unverified assumptions.
STPMS2H-PUR - Dual-Channel 4 MHz Smart Sensor IC | STMicroelectronics
The STMicroelectronics STPMS2H-PUR is a smart sensor interface IC containing two 1-bit, second-order sigma-delta modulators operating at 4 MHz, with embedded programmable-gain low-noise amplifiers, in a 16-QFN 4 x 4 mm surface-mount package. It accepts analog sensor inputs and converts them into digital 1-bit streams for downstream processing. The device operates from a 5.5 V supply and is identified by DigiKey as a sensor and detector interface with analog input and digital output. A smart sensor interface is a specialized analog front end that sits between physical sensors and a digital controller. Its functional hierarchy is sensor interface, analog front end, sigma-delta modulator, signal-conversion IC, and integrated circuit. By converting analog quantities into bit streams early in the signal chain, the STPMS2H-PUR supports compact sensing systems in which sensing, modulation, and digital processing are partitioned between analog and digital stages. The STPMS2H-PUR provides two independent 1-bit modulator channels, a 4 MHz clock, and second-order sigma-delta modulation with embedded PGLNA sections. These features make it applicable to high-resolution sensing architectures where analog amplification and conversion must coexist in a compact package. The 16-VFQFN package includes an exposed pad and uses a 0.65 mm terminal pitch for high-density surface-mount assembly. Its analog-to-digital conversion architecture employs second-order sigma-delta modulation rather than a conventional multi-bit SAR or flash converter. Two 1-bit output streams can be combined digitally to preserve resolution while limiting the analog output-node count. The embedded PGLNA blocks reduce the amount of separate gain-stage circuitry needed for low-level sensor signals, although gain settings and signal-chain limits should be confirmed against the manufacturer datasheet. Typical uses include industrial condition monitoring, resistive or bridge-based sensing, compact pressure or position sensing, and low-power acquisition modules that feed a microcontroller or dedicated digital filter. The industrial temperature grade and surface-mount construction suit equipment intended for controlled industrial environments rather than extended automotive qualification. When laying out a design, treat the exposed pad as a thermal and electrical connection to the PCB rather than a no-connect area. Keep analog inputs short, maintain the datasheet-specified input filtering and grounding topology, and provide local supply bypassing close to the package pins. Confirm gain, calibration, and output-data handling against the manufacturer documentation before production release.