Product details

Resolution (Bits) 12 Number of input channels 1 Sample rate (Max) (kSPS) 2000 Interface type SPI Architecture SAR Input type Single-Ended Multi-channel configuration Rating Automotive Reference mode Supply Input range (Max) (V) 3.6 Input range (Min) (V) 0 Features Small Size Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 1.14 Analog voltage AVDD (Min) (V) 2.3 SNR (dB) 70 Analog voltage AVDD (Max) (V) 3.6 INL (Max) (+/-LSB) 1 Digital supply (Min) (V) 1.65 Digital supply (Max) (V) 3.6
Resolution (Bits) 12 Number of input channels 1 Sample rate (Max) (kSPS) 2000 Interface type SPI Architecture SAR Input type Single-Ended Multi-channel configuration Rating Automotive Reference mode Supply Input range (Max) (V) 3.6 Input range (Min) (V) 0 Features Small Size Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 1.14 Analog voltage AVDD (Min) (V) 2.3 SNR (dB) 70 Analog voltage AVDD (Max) (V) 3.6 INL (Max) (+/-LSB) 1 Digital supply (Min) (V) 1.65 Digital supply (Max) (V) 3.6
VSSOP (DCU) 8 6 mm² 2 x 3.1
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level ±2000 V
    • Device CDM ESD Classification Level ±1000 V
  • Ultra-Low Power Consumption:
    • 1.38 mW (max) at 2 MSPS with 3-V AVDD
    • Less Than 1 µW at 1 kSPS with 3-V AVDD
  • Miniature Footprint:
    • 8-Pin VSSOP Package: 2.30 mm × 2.00 mm
  • 2-MSPS Throughput with Zero Data Latency
  • Wide Operating Range:
    • AVDD: 2.35 V to 3.6 V
    • DVDD: 1.65 V to 3.6 V (Independent of AVDD)
    • Temperature Range: –40°C to +125°C
  • Excellent Performance:
    • 12-Bit Resolution with NMC
    • ±0.5 LSB DNL; ±0.5 LSB INL
    • 70-dB SNR with 3-V AVDD
    • –80-dB THD with 3-V AVDD
  • Unipolar Input Range: 0 V to AVDD
  • Integrated Offset Calibration
  • SPI-Compatible Serial Interface: 32 MHz
  • JESD8-7A Compliant Digital I/O
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level ±2000 V
    • Device CDM ESD Classification Level ±1000 V
  • Ultra-Low Power Consumption:
    • 1.38 mW (max) at 2 MSPS with 3-V AVDD
    • Less Than 1 µW at 1 kSPS with 3-V AVDD
  • Miniature Footprint:
    • 8-Pin VSSOP Package: 2.30 mm × 2.00 mm
  • 2-MSPS Throughput with Zero Data Latency
  • Wide Operating Range:
    • AVDD: 2.35 V to 3.6 V
    • DVDD: 1.65 V to 3.6 V (Independent of AVDD)
    • Temperature Range: –40°C to +125°C
  • Excellent Performance:
    • 12-Bit Resolution with NMC
    • ±0.5 LSB DNL; ±0.5 LSB INL
    • 70-dB SNR with 3-V AVDD
    • –80-dB THD with 3-V AVDD
  • Unipolar Input Range: 0 V to AVDD
  • Integrated Offset Calibration
  • SPI-Compatible Serial Interface: 32 MHz
  • JESD8-7A Compliant Digital I/O

The ADS7049-Q1 device is a an automotive Q100-qualified, 12-bit, 2-MSPS, analog-to-digital converter (ADC). The device supports a wide analog input voltage range (2.35 V to 3.6 V) and includes a capacitor-based, successive-approximation register (SAR) ADC with an inherent sample-and-hold circuit. The SPI-compatible serial interface is controlled by the CS and SCLK signals. The input signal is sampled with the CS falling edge and SCLK is used for conversion and serial data output. The device supports a wide digital supply range (1.65 V to 3.6 V), enabling direct interface to a variety of host controllers. The ADS7049-Q1 complies with the JESD8-7A standard for a normal DVDD range (1.65 V to 1.95 V).

The ADS7049-Q1 is available in an 8-pin, miniature, VSSOP package and is specified for operation from –40°C to +125°C. The fast sampling rate of the ADS7049-Q1, along with miniature form-factor and low-power consumption, makes this device suitable for space-constrained and fast-scanning automotive applications.

The ADS7049-Q1 device is a an automotive Q100-qualified, 12-bit, 2-MSPS, analog-to-digital converter (ADC). The device supports a wide analog input voltage range (2.35 V to 3.6 V) and includes a capacitor-based, successive-approximation register (SAR) ADC with an inherent sample-and-hold circuit. The SPI-compatible serial interface is controlled by the CS and SCLK signals. The input signal is sampled with the CS falling edge and SCLK is used for conversion and serial data output. The device supports a wide digital supply range (1.65 V to 3.6 V), enabling direct interface to a variety of host controllers. The ADS7049-Q1 complies with the JESD8-7A standard for a normal DVDD range (1.65 V to 1.95 V).

The ADS7049-Q1 is available in an 8-pin, miniature, VSSOP package and is specified for operation from –40°C to +125°C. The fast sampling rate of the ADS7049-Q1, along with miniature form-factor and low-power consumption, makes this device suitable for space-constrained and fast-scanning automotive applications.

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Technical documentation

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Type Title Date
* Data sheet ADS7049-Q1 Small-Size, Low-Power, 12-Bit, 2-MSPS, SAR ADC datasheet 09 Mar 2016
User guide ADS7042EVM-PDK, ADS7049-Q1EVM-PDK, and ADS7057EVM-PDK Evaluation Module (Rev. A) 13 Jan 2022
Technical article How smart AFEs offer an integrated analog solution for thermoelectric cooling control 04 Jan 2022

Design & development

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Evaluation board

ADS7049-Q1EVM-PDK — ADS7049-Q1 Ultra-Low-Power Ultra-Small-Size 12-Bit 2MSPS SAR ADC Performance Demonstration Kit (PDK)

The ADS7049-Q1 evaluation module (EVM) performance demonstration kit (PDK) is a platform for evaluating the 12-bit, ADS7049-Q1 successive approximation register (SAR) analog-to-digital converter (ADC).

The PDK includes the ADS7049-Q1 evaluation board, precision host interface (PHI) controller (...)

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Simulation model

ADS7049-Q1 TINA-TI Transient Reference Design

SBAM300.TSC (6959 KB) - TINA-TI Reference Design
Simulation model

ADS7049 IBIS Model

SBAM304.ZIP (27 KB) - IBIS Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

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 (...)
Calculation tool

ADC-INPUT-CALC — Analog-to-digital converter (ADC) input driver design tool supporting multiple input types

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 (...)
Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

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 (...)
Reference designs

TIDA-020030 — SiC/IGBT isolated gate driver reference design with thermal diode and sensing FET

This reference design is an IGBT or SiC isolated gate driver power stage driving a IGBT module with advanced protection features. The design consists of a single phase power stage from a traction inverter supporting high level of safety features. The IGBT module has integrated thermal diode for (...)
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