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ADS9217
  • ADS9217
  • ADS9217

ADS9217

ACTIVE

Two-channel, simultaneous-sampling, 18-bit 5-MSPS SAR ADC with fully-differential ADC input driver

Texas Instruments ADS9217 Product Info

1 April 2026 4

Parameters

Resolution (Bits)

18

Sample rate (max) (ksps)

5000

Number of input channels

2

Interface type

Serial LVDS

Architecture

SAR

Input type

Differential

Multichannel configuration

Simultaneous Sampling

Rating

Catalog

Reference mode

External, Internal

Input voltage range (max) (V)

4.1

Input voltage range (min) (V)

0.7

Operating temperature range (°C)

-40 to 125

Power consumption (typ) (mW)

360

Analog supply voltage (min) (V)

4.75

Analog supply voltage (max) (V)

5.25

SNR (dB)

95.1

Digital supply (min) (V)

1.75

Digital supply (max) (V)

1.85

Package

VQFN (RHA)-40-36 mm² 6 x 6

Features

  • High-speed and low-power:
    • ADS9219: 20MSPS/ch, 230mW/ch
    • ADS9218: 10MSPS/ch, 146mW/ch
    • ADS9217: 5MSPS/ch, 95mW/ch
  • 2-channel, simultaneous sampling
  • Feature integration:
    • Integrated ADC driver
    • Integrated precision reference
    • Common-mode voltage output buffer
  • High performance:
    • 18-bit no-missing-codes
    • INL: ±1LSB, DNL: ±0.75LSB
    • SNR: 95.5dB and 104.5dB SNR with OSR = 16
  • Wide input bandwidth (–3dB):
    • ADS9219 and ADS9218: 90MHz
    • ADS9217: 45MHz
  • Serial LVDS interface:
    • SDR and DDR output modes
    • Synchronous clock and data output
  • Extended operating range: –40°C to +125°C
  • High-speed and low-power:
    • ADS9219: 20MSPS/ch, 230mW/ch
    • ADS9218: 10MSPS/ch, 146mW/ch
    • ADS9217: 5MSPS/ch, 95mW/ch
  • 2-channel, simultaneous sampling
  • Feature integration:
    • Integrated ADC driver
    • Integrated precision reference
    • Common-mode voltage output buffer
  • High performance:
    • 18-bit no-missing-codes
    • INL: ±1LSB, DNL: ±0.75LSB
    • SNR: 95.5dB and 104.5dB SNR with OSR = 16
  • Wide input bandwidth (–3dB):
    • ADS9219 and ADS9218: 90MHz
    • ADS9217: 45MHz
  • Serial LVDS interface:
    • SDR and DDR output modes
    • Synchronous clock and data output
  • Extended operating range: –40°C to +125°C

Description

The ADS921x is a family of 18-bit, high-speed, dual-channel, simultaneous-sampling, analog-to-digital converters (ADCs) with an integrated driver for the ADC inputs. The integrated ADC driver simplifies the signal chain, reduces power consumption for precision applications, and supports high-frequency signals beyond 1MHz. By not requiring an external decoupling capacitor, the integrated ADC reference buffer is optimized for wide bandwidth applications.

The ADS921x uses a serial LVDS (SLVDS) data interface that enables high-speed digital communication while minimizing digital switching noise. Read the dual-channel ADC data using separate SLVDS outputs per ADC channel or one SLVDS output for both ADC channels.

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