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ADS7841PG4 Datasheet(PDF) 1 Page - Texas Instruments |
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ADS7841PG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page 12-Bit, 4-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER FEATURES q SINGLE SUPPLY: 2.7V to 5V q 4-CHANNEL SINGLE-ENDED OR 2-CHANNEL DIFFERENTIAL INPUT q UP TO 200kHz CONVERSION RATE q ±1LSB MAX INL AND DNL q NO MISSING CODES q 72dB SINAD q SERIAL INTERFACE q DIP-16 OR SSOP-16 PACKAGE q ALTERNATE SOURCE FOR MAX1247 q ADS7841ES: +125 °C Version DESCRIPTION The ADS7841 is a 4-channel, 12-bit sampling Analog-to- Digital Converter (ADC) with a synchronous serial inter- face. The resolution is programmable to either 8 bits or 12 bits. Typical power dissipation is 2mW at a 200kHz through- put rate and a +5V supply. The reference voltage (VREF) can be varied between 100mV and VCC, providing a correspond- ing input voltage range of 0V to VREF. The device includes a shutdown mode which reduces power dissipation to under 15 µW. The ADS7841 is tested down to 2.7V operation. Low power, high speed, and on-board multiplexer make the ADS7841 ideal for battery-operated systems such as per- sonal digital assistants, portable multi-channel data loggers, and measurement equipment. The serial interface also pro- vides low-cost isolation for remote data acquisition. The ADS7841 is available in a DIP-16 or a SSOP-16 package and is specified over the –40 °C to +125°C(1) temperature range. NOTE: (1) ES grade only. CDAC SAR Comparator Four Channel Multiplexer Serial Interface and Control CH0 CH1 CH2 CH3 COM V REF CS SHDN DIN DOUT MODE BUSY DCLK ADS7841 ADS7841 APPLICATIONS q DATA ACQUISITION q TEST AND MEASUREMENT q INDUSTRIAL PROCESS CONTROL q PERSONAL DIGITAL ASSISTANTS q BATTERY-POWERED SYSTEMS ADS7841 SBAS084B – JULY 2001 www.ti.com Copyright © 2000, Texas Instruments Incorporated 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. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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