ADS1244IDGST ,Low-Power/ 24-Bit ANALOG-TO-DIGITAL CONVERTERTYPICAL CHARACTERISTICSAt T = +25°C, AVDD = +5V, DVDD = +3V, f = 2.4576MHz, and V = +2.5V, unless o ..
ADS1245IDGSR ,Brown Corporation - Low-Power, 24-Bit Analog-to-Digital Converter
ADS1245IDGSR ,Brown Corporation - Low-Power, 24-Bit Analog-to-Digital Converter
ADS1245IDGST ,24-bit Low-Power ADC with High-Z Input BufferFEATURES DESCRIPTIONThe ADS1245 is a 24-bit, delta-sigma analog-to-digital 20-Bit Effective Resolu ..
ADS1246IPW ,Low Noise, Precision 24-Bit Analog to Digital Converter 16-TSSOP -40 to 105features provide a complete front-end solution for• Power Supply and V Monitoring (ADS1247,REFtempe ..
ADS1247IPWR ,Low Noise, Precision 24-Bit Analog-to-Digital Converter 20-TSSOP -40 to 105Electrical Characteristics table........ 13• Added cross-reference for Equation 1 in Noise Performa ..
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ADS1244-ADS1244IDGSR-ADS1244IDGSRG4-ADS1244IDGST
24-Bit 15sps Delta-Sigma ADC with 50 & 60Hz rejection 10-VSSOP -40 to 85
ADS1244SBAS273 – DECEMBER 2002
DESCRIPTIONThe ADS1244 is a 24-bit, delta-sigma Analog-to-Digital (A/D)
converter. It offers excellent performance and very low power
in an MSOP-10 package and is well suited for demanding
high-resolution measurements, especially in portable and
other space- and power-constrained systems.
A 3rd-order delta-sigma modulator and digital filter form the
basis of the A/D converter. The analog modulator has a ±5V
differential input range. The digital filter rejects both 50Hz
and 60Hz signals, completely settles in one cycle, and
outputs data at 15 samples per second.
A simple, 2-wire serial interface provides all the necessary
control. Data retrieval, self-calibration, and Sleep Mode are
handled with a few simple waveforms. When only single
conversions are needed, the ADS1244 can be shut down
(Sleep Mode) while idle between measurements to dramati-
cally reduce the overall power dissipation. Multiple ADS1244s
can be connected together to create a synchronously sam-
pling multichannel measurement system. The ADS1244 is
designed to easily connect to microcontrollers, such as the
MSP430.
The ADS1244 supports 2.5V to 5.25V analog supplies and
1.8V to 3.6V digital supplies. Power is typically less than
270μW in normal operation and less than 1μW during Sleep
Mode.
FEATURES 20-BIT EFFECTIVE RESOLUTION CURRENT CONSUMPTION: 90μA ANALOG SUPPLY: 2.5V to 5.25V DIGITAL SUPPLY: 1.8V to 3.6V ±5V DIFFERENTIAL INPUT RANGE
0.0002% INL (TYP), 0.0008% INL (MAX) SIMPLE 2-WIRE SERIAL INTERFACE SIMULTANEOUS 50Hz AND 60Hz REJECTION SINGLE CONVERSIONS WITH SLEEP MODE SINGLE-CYCLE SETTLING SELF-CALIBRATION WELL-SUITED FOR MULTICHANNEL SYSTEMS EASILY CONNECTS TO THE MSP430
Low-Power, 24-Bit
ANALOG-TO-DIGITAL CONVERTERPlease be aware that an important notice concerning availability, standard warranty, and use in critical applications of
APPLICATIONS
HAND-HELD INSTRUMENTATION PORTABLE MEDICAL EQUIPMENT INDUSTRIAL PROCESS CONTROL WEIGH SCALES
