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ADS8512
  • ADS8512
  • ADS8512

ADS8512

ACTIVE

12-Bit 40kSPS Low-Power Sampling ADC With Internal Reference and Serial Interface

Texas Instruments ADS8512 Product Info

1 April 2026 0

Parameters

Resolution (Bits)

12

Sample rate (max) (ksps)

40

Number of input channels

1

Interface type

SPI

Architecture

SAR

Input type

Single-ended

Rating

Catalog

Reference mode

External, Internal

Input voltage range (max) (V)

10

Input voltage range (min) (V)

-10

Features

Oscillator

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

155

Analog supply voltage (min) (V)

4.75

Analog supply voltage (max) (V)

5.25

SNR (dB)

74

Digital supply (min) (V)

4.75

Digital supply (max) (V)

5.25

Package

SOIC (DW)-16-106.09 mm² 10.3 x 10.3

Features

  • 40-kHz Minimum Sampling Rate
  • Very Low Power: 25 mW
  • ±3.33-V, ±5-V, ±10-V, 4-V, and 10-V Input Ranges
  • 73.9-dB SINAD with 10-kHz Input
  • ±0.5 LSB Max INL
  • ±0.5 LSB Max DNL, 12-Bit NMC
  • ±5-mV BPZ, ±2 ppm/°C BPZ Drift
  • 72-dB Min SINAD, 80-dB Min SFDR
  • Uses Internal or External 2.5-V Reference
  • No External Calibration Resistors Required
  • Single 5-V Analog Supply:
    • 32.5-mW Max Power Dissipation
    • 50-µW Max Power-Down Mode
  • SPI-Compatible Serial Port up to 20MHz, with Master/Slave Feature
  • Global CONV and 3-Stated Bus for Multi-Chip Simultaneous S/H Operation
  • Pin-Compatible with ADS7812 and 16-Bit ADS7813/8513
  • SO-16 Package
  • APPLICATIONS
    • Industrial Process Control
    • Test Equipment
    • Robotics
    • DSP Servo Control
    • Medical Instrumentation
    • Portable Data Acquisition Systems
  • 40-kHz Minimum Sampling Rate
  • Very Low Power: 25 mW
  • ±3.33-V, ±5-V, ±10-V, 4-V, and 10-V Input Ranges
  • 73.9-dB SINAD with 10-kHz Input
  • ±0.5 LSB Max INL
  • ±0.5 LSB Max DNL, 12-Bit NMC
  • ±5-mV BPZ, ±2 ppm/°C BPZ Drift
  • 72-dB Min SINAD, 80-dB Min SFDR
  • Uses Internal or External 2.5-V Reference
  • No External Calibration Resistors Required
  • Single 5-V Analog Supply:
    • 32.5-mW Max Power Dissipation
    • 50-µW Max Power-Down Mode
  • SPI-Compatible Serial Port up to 20MHz, with Master/Slave Feature
  • Global CONV and 3-Stated Bus for Multi-Chip Simultaneous S/H Operation
  • Pin-Compatible with ADS7812 and 16-Bit ADS7813/8513
  • SO-16 Package
  • APPLICATIONS
    • Industrial Process Control
    • Test Equipment
    • Robotics
    • DSP Servo Control
    • Medical Instrumentation
    • Portable Data Acquisition Systems

Description

The ADS8512 is a complete low-power, single 5-V supply, 12-bit sampling analog-to-digital (A/D) converter. It contains a complete 12-bit capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold (S/H), clock, reference, and serial data interface. The converter can be configured for a variety of input ranges including ±10 V, ±5 V, 0 V to 10 V, and 0.5 V to 4.5 V. A high-impedance, 0.3-V to 2.8-V input is also available with input impedance greater than 10 MΩ. For most input ranges, the input voltage can swing to 25 V or -25 V without damage to the converter.

An SPI-compatible serial interface allows data to be synchronized to an internal or external clock. The ADS8512 is specified at 40-kHz sampling rate over the -40°C to +85°C industrial temperature range.

The ADS8512 is a complete low-power, single 5-V supply, 12-bit sampling analog-to-digital (A/D) converter. It contains a complete 12-bit capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold (S/H), clock, reference, and serial data interface. The converter can be configured for a variety of input ranges including ±10 V, ±5 V, 0 V to 10 V, and 0.5 V to 4.5 V. A high-impedance, 0.3-V to 2.8-V input is also available with input impedance greater than 10 MΩ. For most input ranges, the input voltage can swing to 25 V or -25 V without damage to the converter.

An SPI-compatible serial interface allows data to be synchronized to an internal or external clock. The ADS8512 is specified at 40-kHz sampling rate over the -40°C to +85°C industrial temperature range.

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