ADS7955-Q1

ADS7955-Q1 www.ti.com SLAS814 – DECEMBER 2011 10-Bit, 1 MSPS, 8-Channel, Single-Ended, MicroPower, Serial Interface ADC Check for Samples: ADS7955-Q1 FEATURES 1 Qualified for Automotive Applications 1-MHz Sample Rate Serial Devices 10-Bit Resolution Zero Latency 20-MHz Serial Interface Analog Supply Range: 2.7 to 5.25 V I/O Supply Range: 1.7 to 5.25 V Two SW Selectable Unipolar, Input Ranges: 0 to 2.5V and 0 to 5V Auto and Manual Modes for Channel Selection 8-Channel Device can Share 16 Channel Device Footprint Two Programmable Alarm Levels per Channel Four Individually Configurable GPIOs for TSSOP Package Devices Typical Power Dissipation: 14.5 mW (+VA = 5 V, +VBD = 3 V) at 1 MSPS Power-Down Current (1 μA) Input Bandwidth (47 MHz at 3 dB) 30-Pin TSSOP Package APPLICATIONS PLC / IPC Battery Powered Systems Medical Instrumentation Digital Power Supplies Touch Screen Controllers High-Speed Data Acquisition Systems High-Speed Closed-Loop Systems DESCRIPTION The ADS7955-Q1 is a analog-to-digital converter. 10-bit multichannel The device includes a capacitor based SAR A/D converter with inherent sample and hold. The device accepts a wide analog supply range from 2.7V to 5.25V. Very low power consumption makes this device suitable for battery-powered and isolated power supply applications. A wide 1.7V to 5.25V I/O supply range facilitates a glue-less interface with the most commonly used CMOS digital hosts. The serial interf...