ADS7039-Q1 ADC Datasheet

ADS7039-Q1 Datasheet, PDF, Equivalent


Part Number

ADS7039-Q1

Description

10-Bit 2-MSPS SAR ADC

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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ADS7039-Q1
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ADS7039-Q1
SBAS788A – JANUARY 2017 – REVISED AUGUST 2017
ADS7039-Q1 Small-Size, Low-Power, 10-Bit, 2-MSPS, SAR ADC
1 Features
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:
– 1.2 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:
– 10-Bit Resolution with NMC
– ±0.4 LSB DNL; ±0.4 LSB INL
– 61-dB SNR with 3-V AVDD
– –75-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
2 Applications
• Automotive Infotainment
• Automotive Sensors
• Level Sensors
• Ultrasonic Flow Meters
• Motor Control
• Portable Medical Equipment
3 Description
The ADS7039-Q1 device is a an automotive Q100-
qualified, 10-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 ADS7039-Q1 complies with the
JESD8-7A standard for a normal DVDD range
(1.65 V to 1.95 V).
The ADS7039-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
ADS7039-Q1, along with miniature form-factor and
low-power consumption, makes this device suitable
for space-constrained and fast-scanning automotive
applications.
PART NAME
ADS7039-Q1
Device Information(1)
PACKAGE
BODY SIZE (NOM)
VSSOP (8)
2.30 mm × 2.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
VIN+
+
±
Typical Application
OPA_AVDD
+R
AINP
AVDD AVDD used as
Reference for device
AVDD
ADS7039-Q1
C
AINM
OPA_AVSS
GND
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

ADS7039-Q1
ADS7039-Q1
SBAS788A – JANUARY 2017 – REVISED AUGUST 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ..................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Timing Requirements ................................................ 6
6.7 Switching Characteristics .......................................... 6
6.8 Typical Characteristics .............................................. 7
7 Parameter Measurement Information ................ 12
7.1 Digital Voltage Levels ............................................. 12
8 Detailed Description ............................................ 12
8.1 Overview ................................................................. 12
8.2 Functional Block Diagram ....................................... 13
8.3 Feature Description................................................. 13
8.4 Device Functional Modes........................................ 17
9 Application and Implementation ........................ 20
9.1 Application Information............................................ 20
9.2 Typical Application .................................................. 20
10 Power Supply Recommendations ..................... 23
10.1 AVDD and DVDD Supply Recommendations....... 23
10.2 Estimating Digital Power Consumption................. 23
10.3 Optimizing Power Consumed by the Device ........ 23
11 Layout................................................................... 24
11.1 Layout Guidelines ................................................. 24
11.2 Layout Example .................................................... 24
12 Device and Documentation Support ................. 25
12.1 Documentation Support ........................................ 25
12.2 Receiving Notification of Documentation Updates 25
12.3 Community Resources.......................................... 25
12.4 Trademarks ........................................................... 25
12.5 Electrostatic Discharge Caution ............................ 25
12.6 Glossary ................................................................ 25
13 Mechanical, Packaging, and Orderable
Information ........................................................... 25
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (January 2017) to Revision A
Page
• Changed Timing Diagram figure to correct SCLK and SDO traces ....................................................................................... 6
• Changed number of conversion bits from 12 to 10 and number of SCLKs from 14 to 12 in first paragraph of Serial
Interface section .................................................................................................................................................................. 16
2 Submit Documentation Feedback
Product Folder Links: ADS7039-Q1
Copyright © 2017, Texas Instruments Incorporated


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity ADS7039-Q1 SBAS788A – JANUARY 2017 – REVISED AUGUST 2017 ADS7039-Q 1 Small-Size, Low-Power, 10-Bit, 2-MSPS , SAR ADC 1 Features •1 Qualified fo r Automotive Applications • AEC-Q100 Qualified With the Following Results: Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperatur e Range – Device HBM ESD Classificati on Level ±2000 V – Device CDM ESD Cl assification Level ±1000 V • Ultra-L ow Power Consumption: – 1.2 mW (max) at 2 MSPS with 3-V AVDD – Less Than 1 µW at 1 kSPS with 3-V AVDD • Miniat ure Footprint: – 8-Pin VSSOP Package: 2.30 mm × 2.00 mm • 2-MSPS Throughp ut with Zero Data Latency • Wide Oper ating 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: – 10-Bit Resolution with NMC – ±0 .4 LSB DNL; ±0.4 LSB INL – 61-dB SNR with 3-V AVDD – –75-dB THD with 3-V AVDD • Unipolar Input Range: 0 V to AVDD • .
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