Maxim

MAX132 - ADC with Serial Inferface

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Features Low Supply Current:60µA (Normal Operation) 1µA (Sleep-Mode Operation) ±0.006% FSR Accuracy at 16 Conv/sec Low Noise: 15µVRMS Serial I/O Interface with Programmed Output for Mux and PGA Performs up to 100 Conv/sec ±2pA Input Current 50Hz/60Hz Rejection

Pin Description Pin Number Description 1 CS-CHIP SELECT 2 DIN-Serial Data In 3 DOUT-Serial Data Out 4 SCLK-Serial Clock Input 5 OSC2-Oscillator Output 2 6 OSC1-Oscillator Input 1 7 P0-Programmable Output bit 0 8 P1-Programmable Output bit 1 9 P2-Programmable Output bit 2 10 P3-Programmable Output bit 3 11 EOC-End of Conversion Output 12 DGND-Digital Ground 13 V- -Negative Supply 14 IN HI-Positive Analog Input 15 IN LO-Negative Analog Input 16 AGND-Analog Ground 17 REF- -Negative Reference Input 18 REF+ -Positive Reference Input 19 CREF+ -Positive Reference Capacitor 20 CREF- -Negative Reference Capacitor 21 INT IN-Integrator Input 22 INT OUT-Integrator Output 23 BUF OUT-Buffer-Amplifier Output 24 V+ -Positive Supply

Pin Layout Dimensional Drawing

Technical Data Data Sheet Maxim - Data Sheet for MAX132 Application Notes