The ADS1204 is a four-channel, high-performance device, with four delta-sigma () modulators with 100dB dynamic range, operating from a single +5V supply. The differential inputs are ideal for direct connection to transducers in an industrial environment. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit analog-to-digital (A/D) conversion with no missing code. Effective resolution of 12 bits can be obtained with a digital filter data rate of 160kHz at a modulator rate of 10MHz. The ADS1204 is designed for use in medium- to high-resolution measurement applications including current measurements, smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. It is available in a QFN-32 (5×5) package.
● 16-Bit Resolution
● 14-Bit Linearity
● Resolution/Speed Trade-Off: 10-Bit Effective Resolution with 10µs Signal Delay (12-Bit with 19µs)
● ±2.5V Input Range at 2.5V
● Internal Reference Voltage: 2%
● Gain Error: 0.5%
● Four Independent Delta-Sigma Modulators
● Four Input Reference Buffers
● Onboard 20MHz Oscillator
● Selectable Internal or External Clock
● Operating Temperature Range: -40°C to +105°C
● QFN-32 (5×5) Package
● APPLICATIONS
● Motor Control
● Current Measurement
● Industrial Process Control
● Instrumentation
● Smart Transmitters
● Portable Instruments
● Weight Scales
● Pressure Transducers
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