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ADS7882
  • ADS7882
  • ADS7882

ADS7882

ACTIVE

2.7V-5.25V Digital, 5V Analog, 12 Bit, 3MSPS, Parallel ADC with Ref

Texas Instruments ADS7882 Product Info

1 April 2026 2

Parameters

Resolution (Bits)

12

Sample rate (max) (ksps)

3000

Number of input channels

1

Interface type

Byte-Wide, Parallel

Architecture

SAR

Input type

Pseudo-Differential, Single-ended

Rating

Catalog

Reference mode

External, Internal

Input voltage range (max) (V)

2.6

Input voltage range (min) (V)

0

Features

Oscillator

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

85

Analog supply voltage (min) (V)

4.75

Analog supply voltage (max) (V)

5.25

SNR (dB)

69.5

Digital supply (min) (V)

2.7

Digital supply (max) (V)

5.25

Package

TQFP (PFB)-48-81 mm² 9 x 9

Features

  • 3-MHz Sample Rate, 12-Bit Resolution
  • Zero Latency
  • Unipolar, Pseudo Differential Input, Range:
    • 0 V to 2.5 V
  • High-Speed Parallel Interface
  • 69.5 dB SNR at 100 kHz I/P
  • Power Dissipation 85 mW at 3 MSPS
  • Nap Mode (10 mW Power Dissipation)
  • Power Down (10 &microW)
  • Internal Reference
  • Internal Reference Buffer
  • 48-Pin TQFP Package
  • APPLICATIONS
    • Optical Networking (DWDM, MEMS Based Switching)
    • Spectrum Analyzers
    • High Speed Data Acquisition Systems
    • High Speed Close-Loop Systems
    • Telecommunication
    • Ultra-Sound Detection
  • 3-MHz Sample Rate, 12-Bit Resolution
  • Zero Latency
  • Unipolar, Pseudo Differential Input, Range:
    • 0 V to 2.5 V
  • High-Speed Parallel Interface
  • 69.5 dB SNR at 100 kHz I/P
  • Power Dissipation 85 mW at 3 MSPS
  • Nap Mode (10 mW Power Dissipation)
  • Power Down (10 &microW)
  • Internal Reference
  • Internal Reference Buffer
  • 48-Pin TQFP Package
  • APPLICATIONS
    • Optical Networking (DWDM, MEMS Based Switching)
    • Spectrum Analyzers
    • High Speed Data Acquisition Systems
    • High Speed Close-Loop Systems
    • Telecommunication
    • Ultra-Sound Detection

Description

The ADS7882 is a 12-bit 3-MSPS A-to-D converter with 2.5-V internal reference. The device includes a capacitor based SAR A/D converter with inherent sample and hold. The device offers a 12-bit parallel interface with an additional byte mode that provides easy interface with 8-bit processors. The device has a pseudo-differential input stage.

The —IN swing of ±200 mV is useful to compensate for ground voltage mismatch between the ADC and sensor and also to cancel common-mode noise. With nap mode enabled, the device operates at lower power when used at lower conversion rates. The device is available in 48-pin TQFP package.

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