ADS1212U Datasheet PDF - Burr Brown

●DESCRIPTION

●The ADS1212 and ADS1213 are precision, wide dynamic range, delta-sigma Analog-to-Digital (A/D) converters with 24-bit resolution operating from a single +5V supply. The differential inputs are ideal for direct connection to transducers or low-level voltage signals. The delta-sigma architecture is used for wide dynamic range and to ensure 22 bits of no-missing-code performance. An effective resolution of 20 bits is achieved through the use of a very low-noise input amplifier at conversion rates up to 10Hz. Effective resolutions of 16 bits can be maintained up to a sample rate of 1kHz through the use of the unique Turbo Modulator mode of operation. The dynamic range of the converters is further increased by providing a low-noise programmable gain amplifier with a gain range of 1 to 16 in binary steps.

●FEATURES

● DELTA-SIGMA A/D CONVERTER

● 22 BITS NO MISSING CODES

● 20 BITS EFFECTIVE RESOLUTION AT 10Hz AND 16 BITS AT 1000Hz

● LOW POWER: 1.4mW

● DIFFERENTIAL INPUTS

● PROGRAMMABLE GAIN AMPLIFIER

● SPI™ COMPATIBLE SSI INTERFACE

● PROGRAMMABLE CUTOFF FREQUENCY UP TO 6.25kHz

● INTERNAL/EXTERNAL REFERENCE

● ON-CHIP SELF-CALIBRATION

● ADS1213 INCLUDES 4-CHANNEL MUX

●APPLICATIONS

● INDUSTRIAL PROCESS CONTROL

● INSTRUMENTATION

● BLOOD ANALYSIS

● SMART TRANSMITTERS

● PORTABLE INSTRUMENTS

● WEIGH SCALES

● PRESSURE TRANSDUCERS