Home Data converters Analog-to-digital converters (ADCs) Precision ADCs (<=10MSPS)

ADS7254

ACTIVE
Order now

12 Bit, 1 MSPS, Dual, Simultaneous Sampling Differential SAR ADC

Data sheet
Top
12 Bit, 1 MSPS, Dual, Simultaneous Sampling Differential SAR ADC

ADS7254

ACTIVE
Data sheet Order now

Product details

Parameters

Resolution (Bits) 12 Number of input channels 2 Sample rate (Max) (kSPS) 1000 Interface SPI Architecture SAR Input type Differential Multi-channel configuration Simultaneous Sampling Rating Catalog Reference mode Ext, Int Input range (Max) (V) 5.5 Input range (Min) (V) 0 Features Small Size Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 45 Analog voltage AVDD (Min) (V) 4.5 SNR (dB) 74 Analog voltage AVDD (Max) (V) 5.5 INL (Max) (+/-LSB) 1 Digital supply (Min) (V) 1.65 Digital supply (Max) (V) 5.5 Approx. price (US$) 3.52 | 1ku open-in-new Find other Precision ADCs (<=10MSPS)

Package | Pins | Size

TSSOP (PW) 16 22 mm² 5 x 4.4 WQFN (RTE) 16 9 mm² 3 x 3 open-in-new Find other Precision ADCs (<=10MSPS)

Features

  • 16-, 14-, and 12-Bit, Pin-Compatible Family
  • Simultaneous Sampling of Two Channels
  • Supports Fully-Differential Inputs
  • High Speed:
    • ADS8354: 16 Bits, 700 kSPS
    • ADS7854: 14 Bits, 1 MSPS
    • ADS7254: 12 Bits, 1 MSPS
  • Excellent DC Performance:
    • ADS8354:
      • 16-Bit NMC DNL, ±2.5-LSB Max INL
    • ADS7854:
      • 14-Bit NMC DNL, ±1.5-LSB Max INL
    • ADS7254:
      • 12-Bit NMC DNL, ±1-LSB Max INL
  • Excellent AC Performance:
    • ADS8354:
      • 93-dB SNR, –100-dB THD
    • ADS7854:
      • 88-dB SNR, –95-dB THD
    • ADS7254:
      • 72-dB SNR, –90-dB THD
  • Dual, Programmable, and Buffered
    2.5-V Internal Reference
  • Fully-Specified Over the Extended Industrial Temperature Range: –40°C to 125°C
  • Small Footprint:
    WQFN-16 (3-mm × 3-mm) and TSSOP-16
 open-in-new Find other Precision ADCs (<=10MSPS)

Description

The ADS8354, ADS7854, and ADS7254 belong to a family of pin-compatible, dual, high-speed, simultaneous-sampling, analog-to-digital converters (ADCs) that support fully-differential analog inputs.

Each device includes two individually programmable reference sources that can be used for system-level gain calibration. Also, a flexible serial interface that can operate over a wide power-supply range enables easy communication with a large variety of host controllers. Power consumption for a given throughput can be optimized by using the two low-power modes supported by the device. All devices are fully specified over the extended industrial temperature range (–40°C to 125°C) and are available in pin-compatible, WQFN-16 (3-mm × 3-mm) and TSSOP-16 packages.

 open-in-new Find other Precision ADCs (<=10MSPS)
Download

Technical documentation

= Featured
No results found. Please clear your search and try again. View all 5
Type Title Date
* Datasheet ADSxx54 Dual, High-Speed, 16-, 14-, and 12-Bit, Simultaneous-Sampling, Analog-to-Digital Converters datasheet (Rev. B) Aug. 12, 2014
Selection guides Precision Data Converter Companion Devices Selection Guide (Rev. B) Oct. 04, 2018
More literature Best of Baker's Best: Precision Data Converters -- SAR ADCs May 21, 2015
Technical articles Performance comparison between SAR ADC input types – Part 1 Sep. 12, 2014
User guides ADS8354EVM-PDK and ADS7854EVM-PDK User's Guide Apr. 03, 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
Description

ADC-INPUT-CALC is an online tool that provides support for designing the input buffer to an analog-to-digital converter (ADC). It offers 24 different op-amp based buffer circuits that can be used to drive an ADC input. The available topologies cover differential, single-ended and transformer-coupled (...)

View details

Software development

SUPPORT SOFTWARE Download
SBAC128A.ZIP (134040 KB)

Design tools & simulation

SIMULATION MODELS Download
SBAM181A.ZIP (37 KB) - IBIS Model
SIMULATION MODELS Download
SBAM198.ZIP (146 KB) - TINA-TI Reference Design
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI — TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide
CALCULATION TOOLS Download
Analog engineer's calculator
ANALOG-ENGINEER-CALC — The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
Features
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)
View details

Reference designs

REFERENCE DESIGNS Download
Differential Signal Conditioning Circuit for Current and Voltage Measurement Using Fluxgate Sensors
TIDA-00201 — This design provides a 4-channel signal conditioning solution for differential ADCs integrated into a microcontroller measuring motor current using fluxgate sensors. Also provided is an alternative measurement circuit with external differential SAR ADCs as well as circuits for high-speed overcurrent (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Interface to a HIPERFACE Position Encoder Reference Design
TIDA-00202 — The TIDA-00202 reference design implements an EMC compliant industrial hybrid analog and digital interface to a HIPERFACE position encoder. A 3.3V supply RS485 transceiver with IEC-ESD and IEC-EFT protection is used for the bidirectional parameter channel. For the analog sin/cos signal channel (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Transient and Digital Fault Recorder AFE Using Differential Amplifiers and HS ADC Reference Design
TIDA-00499 — While Digital Fault Recorders (DFR) can detect transients in 17/20 μs at 60/50 Hz, Transient Recorders capture disturbances that can peak and decay well within a microsecond. This TI Design demonstrates the capturing of transient inputs at up to 1 MHz for Digital Fault Recorder and 25 MHz for (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Dual Channel Data Acquisition System for Optical Encoders, 12 Bit, 1MSPS
TIPD117 — This TI Precision Verified Design provides the theory, component selection, simulation, PCB design, and measurement details for a 12-bit 1-MSPS single supply dual channel simultaneous data acquisition system. This circuit achieves 73 dB SINAD for a 4.5 V differential signal at 2 KHz input frequency (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
TSSOP (PW) 16 View options
WQFN (RTE) 16 View options

Ordering & quality

Support & training

TI E2E™ forums with technical support from TI engineers

View all topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Training series

View all TI training and videos

Videos

Ultra small and low power SAR ADCs

Get to know TI’s ultra small and low power SAR analog to digital converters. Learn about how these ADCs address the power, performance and size requirements of

Posted: 17-Jan-2015
Duration: 02:50

Explore TI’s ultra-small and low power SAR ADCs

Related videos