ADS7828-Q1 Datasheet, PDF (1/22 Pages) Texas Instruments – 12-BIT 8-CHANNEL SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH I2C™ INTERFACE

ADS7828-Q1
www.ti.com.......................................................................................................................................... SBAS456A – DECEMBER 2008 – REVISED OCTOBER 2009
12-BIT 8-CHANNEL SAMPLING ANALOG-TO-DIGITAL CONVERTER
WITH I²C™ INTERFACE
Check for Samples: ADS7828-Q1
FEATURES
1
•2 Qualified for Automotive Applications
• 8-Channel Multiplexer
• 50-kHz Sampling Rate
• No Missing Codes
• 2.7-V to 5-V Operation
• Internal 2.5-V Reference
• I²C™ Interface Supports Standard, Fast, and
High-Speed Modes
• TSSOP-16 Package
APPLICATIONS
• Voltage-Supply Monitoring
• Isolated Data Acquisition
• Transducer Interfaces
• Battery-Operated Systems
• Remote Data Acquisition
DESCRIPTION
The ADS7828 is a single-supply low-power 12-bit data acquisition device that features a serial I²C interface and
an 8-channel multiplexer. The analog-to-digital (A/D) converter features a sample-and-hold amplifier and internal
asynchronous clock. The combination of an I²C serial 2-wire interface and micropower consumption makes the
ADS7828 ideal for applications requiring the A/D converter to be close to the input source in remote locations
and for applications requiring isolation. The ADS7828 is available in a TSSOP-16 package.
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
8-Channel
Multiplexer
S/H Amp
SAR
CDAC
Comparator
Serial
Interface
SDA
SCL
A0
A1
REF_IN/REF_OUT
Buffer
2.5-V V_REF
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
I2C is a trademark of NXP Semiconductors.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008–2009, Texas Instruments Incorporated