CS5525(1998) Просмотр технического описания (PDF) - Cirrus Logic

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CS5525
(Rev.:1998)

16-Bit/20-Bit ∆Σ Multi-Range ADC with 4-Bit Latch

Cirrus Logic 

CS5525 CS5526

Features

16/20-Bit ∆Σ Multi-Range ADC w/ 4-Bit Latch

Features

q Delta-Sigma A/D Converter

- Linearity Error: 0.0015%FS

- Noise Free Resolution: 18-bits

q Bipolar/Unipolar Input Ranges

- 25 mV, 55 mV, 100 mV, 1 V, 2.5 V and 5 V

q Chopper Stabilized Instrumentation Amplifier

q On-Chip Charge Pump Drive Circuitry

q 4-Bit Output Latch

q Simple three-wire serial interface

- SPI™ and Microwire™ Compatible

- Schmitt Trigger on Serial Clock (SCLK)

q Programmable Output Word Rates

- 3.76 Hz to 202Hz (XIN = 32.768 kHz)

- 11.47 Hz to 616 Hz (XIN = 100 kHz)

q Output Settles in One Conversion Cycle

q Simultaneous 50/60 Hz Noise Rejection

q System and Self-Calibration with

Read/Write Registers

q Single +5 V Analog Supply

+3.0 V or +5 V Digital Supply

q Low Power Mode Consumption: 4 mW

- 1.8 mW in 1 V, 2.5 V, and 5 V Input Ranges

PI202PP3 JAN ‘98

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