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ADS1230IPWG4 Datasheet(PDF) 1 Page - Texas Instruments |
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ADS1230IPWG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page BurrBrown Products from Texas Instruments 1 FEATURES DESCRIPTION APPLICATIONS DS ADC REFP REFN CAP DVDD DGND GAIN AINP AINN SCLK SPEED DRDY/DOUT PDWN AVDD CAP Internal Oscillator CLKIN Gain=64or128 PGA AGND ADS1230 SBAS366A – OCTOBER 2006 – REVISED JULY 2007 20-Bit Analog-to-Digital Converter For Bridge Sensors 2 • Complete Front-End for Bridge Sensor The ADS1230 is a precision 20-bit analog-to-digital converter (ADC). With an onboard low-noise • Onboard PGA with Gain of 64 or 128 programmable gain amplifier (PGA), onboard • Onboard Oscillator oscillator, and precision 20-bit delta-sigma ADC, the • RMS Noise: ADS1230 provides a complete front-end solution for 40nV at 10SPS (G = 128) bridge sensor applications including weigh scales, 88nV at 80SPS (G = 128) strain gauges, and pressure sensors. • 18-Bit Noise-Free Resolution The low-noise PGA has a gain of 64 or 128, • Selectable 10SPS or 80SPS Data Rates supporting a full-scale differential input of ±39mV or ±19.5mV, respectively. The delta-sigma ADC has • Simultaneous 50Hz and 60Hz Rejection at 20-bit effective resolution and is comprised of a 10SPS 3rd-order modulator and 4th-order digital filter. Two • External Voltage Reference up to 5V for data rates are supported: 10SPS (with both 50Hz and Ratiometric Measurements 60Hz rejection) and 80SPS. The ADS1230 can be clocked by the internal oscillator or an external clock • Simple, Pin-Driven Control source. Offset calibration is performed on-demand, • Two-Wire Serial Digital Interface and the ADS1230 can be put in a low-power standby • Tiny 16-pin TSSOP Package mode or shut off completely in power-down mode. • Supply Range: 2.7V to 5.3V All of the features of the ADS1230 are controlled by • –40°C to +85°C Temperature Range dedicated pins; there are no digital registers to program. Data are output over an easily-isolated serial interface that connects directly to the MSP430 and other microcontrollers. • Weigh Scales • Strain Gauges The ADS1230 is available in a TSSOP-16 package and is specified from –40 °C to +85°C. • Pressure Sensors • Industrial Process Control 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. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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