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ADS1225IRGVTG4 ,24-bit, 100SPS ADC with Differential Input and Internal Oscillator 16-VQFN -40 to 105MAXIMUM RATINGSOver operating free-air temperature range, unless otherwise noted.ADS1225, ADS1226 U ..
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ADS1225-ADS1225IRGVRG4-ADS1225IRGVT-ADS1225IRGVTG4
24-bit, 100SPS ADC with Differential Input and Internal Oscillator
ADS1225 ¨
ADS1226
1FEATURES DESCRIPTION
APPLICATIONS
ADS1225
ADS1226
www.ti.com....................................................................................................................................................... SBAS346C–MAY 2006–REVISED JANUARY 2009
24-Bit Analog-to-Digital Converter
with One- and Two-Channel Differential Inputs and Internal Oscillator 100SPS Data Rate (High-Speed Mode) The ADS1225 and ADS1226 are 24-bit delta-sigma
analog-to-digital (A/D) converters. They offer•
Single-Cycle Settlingexcellent performance, ease-of-use, and low powerin•
Easy Conversion Control with START Pin a small 4mm × 4mm QFN package and are•
Automatic Shutdown well-suited for demanding high-resolution
Low Noise: 4μVRMS Noise (High-Resolution measurements, especially in portable and other
space-saving and power-constrained applications.
Mode) Input Multiplexer with The ADS1225 and ADS1226 convert on command
Channels (ADS1226) usinga dedicated START pin. Simply pulse this pinto Datais readina single cycle for•
Voltage Reference Supportsa 2-wire serial interface that easily
Measurements popular microcontrollers like the•
Self-Calibrating completes, the•
Simple Read-Only 2-Wire shuts downall•
Internal High-Impedance includea•
Internal Temperature input•
Internal Oscillator The•
Low-Power: 1mW WhileDuring Shutdown•
Analog and Digital Supplies: Hand-Held Instrumentation
