ADS7865IPBS

Analog To Digital Converters (ADC) Overview

The ADS7865IPBS is a dual 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Texas Instruments. It operates with a sampling rate of 2 MSPS and supports simultaneous sampling across two channels. The device features a parallel interface and accepts differential or pseudo-differential input signals. It functions within an analog and digital supply voltage range of 2.7 V to 5.5 V. Key performance metrics include a signal-to-noise ratio (SNR) of 71.7 dB, a differential nonlinearity (DNL) of +/- 1 LSB, and an integral nonlinearity (INL) of +/- 1.25 LSB. Power consumption is specified at 30 mW typical and 44 mW maximum. The component is housed in a TQFP-32 package and operates between -40°C and +125°C.

Analog To Digital Converters (ADC) Feature Summary

• Simultaneous sampling capability for synchronized multi-channel acquisition
• Integrated internal reference voltage source
• High-speed 2 MSPS data conversion rate
• Support for both differential and pseudo-differential input configurations

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring high-speed data acquisition
• Medical instrumentation such as ultrasound imaging equipment
• Automotive sensor interfaces and engine management systems
• Test and measurement instruments including oscilloscopes and analyzers

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix to confirm the packaging type, as the IPBS designation indicates a tray package while other suffixes may denote tape-and-reel options. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Ensure that the parallel interface requirements align with the target system's microcontroller or DSP capabilities. Validate thermal performance specifications against the intended operating environment constraints.

Analog To Digital Converters (ADC) Selection Notes

Select this component when simultaneous sampling of multiple channels is required at high speeds. The 12-bit resolution balances precision with throughput for general-purpose applications. Consider the parallel interface complexity compared to serial alternatives if pin count is limited. Evaluate power consumption requirements against the available supply budget, noting the difference between typical and maximum dissipation values under varying load conditions.

Analog To Digital Converters (ADC) Part Context

The ADS7865 belongs to the ADS7865 family of dual SAR ADCs from Texas Instruments. It shares architectural similarities with single-channel variants but provides dual independent converters in one package. The IPBS suffix specifically identifies the surface-mount TQFP-32 package variant distributed in trays. This part complements higher-resolution sigma-delta ADCs by offering superior speed for dynamic signal processing tasks.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS7865IPBSR serves as a functional equivalent with identical electrical characteristics but utilizes a tape-and-reel packaging format instead of trays. Verify pin compatibility and software register settings when substituting between these packaging variants.