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ADS7952SDBT Datasheet(PDF) 1 Page - Texas Instruments |
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ADS7952SDBT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 43 page 1 FEATURES DESCRIPTION APPLICATIONS ADS7950, ADS7951, ADS7952, ADS7953 ADS7954, ADS7955, ADS7956, ADS7957 ADS7958, ADS7959, ADS7960, ADS7961 www.ti.com ...................................................................................................................................................................................................... SLAS605 – JUNE 2008 12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs • 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 easy connection with microprocessors and DSP. • Typical Power Dissipation: 14.5 mW (+VA = 5V, The input signal is sampled with the falling edge of +VBD = 3V) at 1 MSPS CS. It uses SCLK for conversion, serial data output, and reading serial data in. The devices allow auto • Power-Down Current (1 µA) sequencing of preselected channels or manual • Input Bandwidth (47 at 3dB) selection of a channel for the next conversion cycle. • 30-Pin and 38-Pin TSSOP Packages There are two software selectable input ranges (0V - 2.5V and 0V - 5V), four individually configurable GPIOs, and two programmable alarm thresholds per • PLC / IPC channel. These features make the devices suitable • Battery Powered Systems for most data acquisition applications. • Medical Instrumentation The devices offer an attractive power-down feature. • Digital Power Supplies This is extremely useful for power saving when the • Touch Screen Controllers device is operated at lower conversion speeds. • High-Speed Data Acquisition Systems The 16/12-channel devices from this family are • High-Speed Closed-Loop Systems available in a 38-pin TSSOP package and the 4/8-channel devices are available in a 30-pin TSSOP package. 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, 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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