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TPC5120

12-bit 1-MHz SAR ADC

Overview

The TPC5120/TPC5121 products include capacitorbased SAR A/D converters with inherent sample and hold. The TPC5120 has 16-channel single-ended inputs and the TPC5121 has 8-channel single-ended inputs.

The devices accept a wide analog supply range from 2.7 V to 5.25 V. The ultra-low power consumption makes these devices suitable for battery-powered and isolated power-supply applications.

A wide 1.7-V to 5.25-V I/O supply range facilitates a glueless interface with the most used digital hosts. The serial interface is controlled by ̅CS̅̅̅ and SCLK for easy connection with microprocessors and DSP.

The input signal is sampled with the falling edge of ̅CS̅̅̅. It uses SCLK for conversion, serial data output, and reading serial data in. The devices allow auto sequencing of preselected channels or manual selection of a channel for the next conversion cycle. There are two software selectable input ranges (0 V to VREF and 0 V to 2 × VREF), individually configurable GPIOs (four in case of the TSSOP and one on the VQFN package devices), and two programmable alarm thresholds per channel. These features make the devices suitable for most data acquisition applications.

The devices offer an attractive power-down feature. This is extremely useful for power saving when the device is operated at lower conversion speeds.


  • Status

    Production

  • Rating

    Industrial

  • Resolution

    12

  • VDD (V)

    2.7~5.5

  • Channel

    16

  • Throughput Rate (Msps)

    1

  • Architecture

    SAR

  • Input Type

    Single-Ended

  • Multichannel Configuration

    Multiplexed

  • INL (LSB,Max)

    ±1.5

  • DNL (LSB,Max)

    (-1, 1.5)

  • Offset Error (LSB, Max)

    ±4

  • Gain Error (LSB)

    ±2

  • Voltage Input Range (V)

    0.~2.5, 0~5

  • IDD (mA)

    1.65

  • Digital Interface

    SPI

  • Temperature Range (℃)

    -40 to +125

  • Package

    TSSOP38, QFN5×5-32

Development Resources

Application

    • Wireless Infrastructure

    • PLC / DCS

    • Battery Powered Systems

    • General Purpose Monitor and Control

Ordering Detail

Order Part Number Buy Rating Feature Status 1ku Price Release Date Package Lead time (week) MSL Packing MPQ CPQ
TPC5120S16-TS7R-S Industrial Grade / Released $2.354 2022-02-07 TSSOP38 11 MSL3 T&R 3000 15000
TPC5120S16-QFBR Industrial Grade / Released-conditional $2.725 2022-07-25 QFN5X5-32 11 MSL3 T&R 3000 15000
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