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ADS7810

Part Number	ADS7810
Manufacturer	Burr-Brown Corporation
Description	12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
Published	Mar 23, 2005
Detailed Description	® ADS7810 ADS 781 0 12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER FEATURES q 1.25µs THROUGHPUT TIME q STANDA...
Datasheet	ADS7810 PDF File

Overview

® ADS7810 ADS 781 0 12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER FEATURES q 1.
25µs THROUGHPUT TIME q STANDARD ±10V INPUT RANGE q 69dB min SINAD WITH 250kHz INPUT q ±3/4 LSB max INL AND ±1 LSB max DNL q INTERNAL REFERENCE q COMPLETE WITH S/H, REF, CLOCK, ETC.
q PARALLEL DATA w/LATCHES q 28-PIN SOIC DESCRIPTION The ADS7810 is a complete 12-bit sampling A/D using state-of-the-art CMOS structures.
It contains a complete 12-bit capacitor-based SAR A/D with inherent S/H, reference, clock, interface for microprocessor use, and three-state output drivers.
The ADS7810 is specified at an 800kHz sampling rate, and guaranteed over the full temperature range.
Laser-trimmed scaling resistors provide the industrystandard ±10V input range, while an innovative design allows operation from ±5V supplies.
The 28-pin ADS7810 is available in a plastic SOIC fully specified for operation over the industrial –40°C to +85°C range.
Clock Successive Approximation Register and Control Logic CDAC 2450Ω ±10V Input 625Ω Comparator Cap Output Latches and Three State Drivers BUSY Three State Parallel Data Bus 18kΩ Buffer 4.
8kΩ 2.
5V Ref Out/In 8.
6kΩ Internal Ref International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S.
Tucson Blvd.
, Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 Internet: http://www.
burr-brown.
com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 © 1992 Burr-Brown Corporation PDS-1138E Printed in U.
S.
A.
March, 1998 SPECIFICATIONS ELECTRICAL At TA = –40°C to +85°C, fS = 800kHz, +VDIG = +VANA = +5V, –VANA = –5V, using internal reference and the 50Ω input resistor shown in Figure 4b, unless otherwise specified.
ADS7810U PARAMETER RESOLUTION ANALOG INPUT Voltage Range Impedance Capacitance THROUGHPUT SPEED Conversion Cycle Complete Cycle Throughput Rate DC ACCURACY Integral Linearity Error Differential Li...

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