TPAFE51736S8

16-bit, 500-kSPS, 8-channel, Bipolar Input ADC

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概述

The TPAFE51736S8 is an 8-channel, 16-bit, 500 kSPS sampling system based on a successive approximation register (SAR) analog-to-digital converter (ADC). The TPAFE51736S8 is highly integrated with an analog frontend for each channel, including an input overvoltage clamp, 1 MΩ input impedance, programmable gain amplifier (PGA), active low-pass filter, and ADC driver. Internal precision and low-drift reference with buffer make the device feasible for a compact data acquisition solution. The digital interface supports communication with various host controllers with SPI-compatible serial and daisychaining of multiple devices.

The TPAFE51736S8 can process true bipolar single-ended ±12.288 V, ±10.24 V, ±6.144 V, ±5.12 V, ±3.072 V, ±2.56 V, unipolar single-ended 0 V - 12.288 V, 0 V - 10.24 V, 0 V - 6.144 V, 0 V - 5.12 V, and true bipolar fully-differential ±12.288 V, ±10.24 V, ±6.144 V, ±5.12 V input signals, with single 5 V analog power supply. The 1 MΩ high input impedance simplified analog input design, and the device can be connected directly to sensors. The analog input overvoltage can protect the device up to ±30 V. The device offers a simple SPI-compatible serial interface and also supports daisy-chaining of multiple devices.

The device integrates various diagnostic functions to improve system robustness, like analog input open detection and CRC error checking on read and write data and registers.

The TPAFE51736S8 is available in the 38-lead TSSOP 9.7 mm x 4.4 mm package and operates from −40°C to +125°C.

Status

Production
Rating

Industrial
Resolution

16
VDD (V)

4.75~5.25
Number of Channels

8
Throughput Rate (Msps)

0.5
Architecture

SAR
Input Type

Fully-Differential, Pseudo-Differential
Multichannel Configuration

Multiplexed
INL (LSB, Max)

±2
DNL (LSB, Max)

±0.99
Offset Error (LSB, Max)

±4
Gain Error (LSB)

±17
Voltage Input Range (V)

±12.288, ±10.24, ±6.144, ±5.12, ±3.072, ±2.56, 0 - 12.288, 0 - 10.24, 0 - 6.144, 0 - 5.12
IDD (mA)

30
Digital Interface

SPI
Temperature Range (℃)

-40 to +125
Package

TSSOP38

开发资源

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- 思瑞浦模拟产品选型册
  
  选型手册
  
  中文
  
  01/19/2024
- Datasheet_TPAFE51736S8
  
  数据手册
  
  英文
  
  07/15/2025
  
  16-bit, 500-kSPS, 8-channel, Bipolar Input ADC
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  技术文章
  
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  01/19/2024
- Introduction to ESD Performance of a Silicon Chip
  
  技术文章
  
  英文
  
  01/19/2024
- Understanding the Details of DAC Performance
  
  技术文章
  
  英文
  
  01/19/2024
- Application Tips on ESD-EOS
  
  技术文章
  
  英文
  
  01/19/2024