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AD571

Analog Devices
Part Number AD571
Manufacturer Analog Devices
Description 10-Bit A/D Converter
Published Mar 23, 2005
Detailed Description a FEATURES Complete A/D Converter with Reference and Clock Fast Successive Approximation Conversion: 40 ␮ s max No Missi...
Datasheet PDF File AD571 PDF File

AD571
AD571

Overview
a FEATURES Complete A/D Converter with Reference and Clock Fast Successive Approximation Conversion: 40 ␮ s max No Missing Codes Over Temperature 0 ؇ C to +70؇ C: AD571K –55؇ C to +125؇C: AD571S Digital Multiplexing: Three-State Outputs 18-Pin Ceramic DIP Low Cost Monolithic Construction V+ 10 10-Bit A/D Converter AD571* FUNCTIONAL BLOCK DIAGRAM V– 12 5k DIGITAL COMMON 16 BLANK & CONVERT CONTROL 11 B&C ANALOG 13 IN ANALOG 14 COMMON 9 MSB 8 7 10-BIT SAR 10-BIT CURRENT OUTPUT DAC INT.
CLOCK 6 5 4 3 2 COMPARATOR BIT OUTPUTS BIPOLAR OFFSET 15 CONTROL DATA READY 1 18 LSB 3 STATE BUFFERS AUTO BLANK CONTROL PRODUCT DESCRIPTION The AD571 is an 10-bit successive approximation A/D converter consisting of a DAC, voltage reference, clock, comparator, successive approximation register and output buffers—all fabricated on a single chip.
No external components are required to perform a full accuracy 10-bit conversion in 40 µs.
Operating on supplies of +5 V to +15 V and –15 V, the AD571 will accepts analog inputs of 0 V to +10 V unipolar of ± 5 V bipolar, externally selectable.
When the BLANK and CONVERT input is driven low, the three-state outputs will be open and a conversion will commence.
Upon completion of the conversion, the DATA READY line goes low and the data appears at the output.
Pulling the BLANK and CONVERT input high blanks the outputs and readies the device for the next conversion.
The AD571 executes a true 10-bit conversion with no missing codes in 40 µs maximum.
The AD571 is available in two version for the 0°C to +70°C temperature range, the AD571J and K.
The AD571S guarantees 10-bit accuracy and no missing codes from –55°C to +125°C.
*Covered by Patent Nos.
3,940,760; 4,213,806; 4,136,349.
TEMPERATURE COMPENSATED BURIED ZENER REFERENCE AND DAC CONTROL 17 AD571 DATA READY PRODUCT HIGHLIGHTS 1.
The AD571 is a complete 10-bit A/D converter.
No external components are required to perform a conversion.
Full-scale calibration accuracy of ± 0.
3% is a...


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