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ADS7961SRHBR Datasheet(PDF) 1 Page - Texas Instruments |
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ADS7961SRHBR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 66 page ADS7950, ADS7951, ADS7952, ADS7953 ADS7954, ADS7955, ADS7956, ADS7957 ADS7958, ADS7959, ADS7960, ADS7961 www.ti.com SLAS605A – JUNE 2008 – REVISED JANUARY 2010 12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs Check for Samples: ADS7950, ADS7951, ADS7952, ADS7953, ADS7954, ADS7955, ADS7956, ADS7957, ADS7958, ADS7959, ADS7960, ADS7961 1 FEATURES DESCRIPTION • 1-MHz Sample Rate Serial Devices The ADS79XX is a 12/10/8-bit multichannel analog-to-digital converter family. The following table • Product Family of 12/10/8-Bit Resolution shows all twelve devices from this product family. • Zero Latency The devices include a capacitor based SAR A/D • 20-MHz Serial Interface converter with inherent sample and hold. • Analog Supply Range: 2.7 to 5.25V The devices accept a wide analog supply range from • I/O Supply Range: 1.7 to 5.25V 2.7V to 5.25V. Very low power consumption makes • Two SW Selectable Unipolar, Input Ranges: 0 these devices suitable for battery-powered and to 2.5V and 0 to 5V isolated power supply applications. • Auto and Manual Modes for Channel Selection A wide 1.7V to 5.25V I/O supply range facilitates a • 12,8,4-Channel Devices can Share 16 Channel glue-less interface with the most commonly used Device Footprint CMOS digital hosts. • Two Programmable Alarm Levels per Channel The serial interface is controlled by CS and SCLK for • Four Individually Configurable GPIOs for easy connection with microprocessors and DSP. TSSOP package devices. One GPIO for QFN The input signal is sampled with the falling edge of devices CS. It uses SCLK for conversion, serial data output, • Typical Power Dissipation: 14.5 mW (+VA = 5V, and reading serial data in. The devices allow auto +VBD = 3V) at 1 MSPS sequencing of preselected channels or manual selection of a channel for the next conversion cycle. • Power-Down Current (1 mA) • Input Bandwidth (47 MHz at 3dB) There are two software selectable input ranges (0V - 2.5V and 0V - 5V), four individually configurable • 38-,30-Pin TSSOP and 32-,24-Pin QFN GPIOs ( in case of TSSOP package devices), and Packages two programmable alarm thresholds per channel. These features make the devices suitable for most APPLICATIONS data acquisition applications. • PLC / IPC The devices offer an attractive power-down feature. • Battery Powered Systems This is extremely useful for power saving when the • Medical Instrumentation device is operated at lower conversion speeds. • Digital Power Supplies The 16/12-channel devices from this family are • Touch Screen Controllers available in a 38-pin TSSOP and 32 pin QFN • High-Speed Data Acquisition Systems package and the 4/8-channel devices are available in • High-Speed Closed-Loop Systems a 30-pin TSSOP and 24 pin QFN packages. MICROPOWER MULTI-CHANNEL ADS79XX FAMILY RESOLUTION NUMBER OF CHANNELS 12 BIT 10 BIT 8 BIT 16 ADS7953 ADS7957 ADS7961 12 ADS7952 ADS7956 ADS7960 8 ADS7951 ADS7955 ADS7959 4 ADS7950 ADS7954 ADS7958 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2008–2010, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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