Part Number
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AD7679 |
Manufacturer
|
Analog Devices |
Description
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18-Bit/ 2.5 LSB INL/ 570 kSPS SAR ADC |
Published
|
Mar 23, 2005 |
Detailed Description
|
18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC AD7679
FEATURES
18-bit resolution with no missing codes No pipeline delay (SAR arc...
|
Datasheet
|
AD7679
|
Overview
18-Bit, 2.
5 LSB INL, 570 kSPS SAR ADC AD7679
FEATURES
18-bit resolution with no missing codes No pipeline delay (SAR architecture) Differential input range: ±VREF (VREF up to 5 V) Throughput: 570 kSPS INL: ±2.
5 LSB max (±9.
5 ppm of full scale) Dynamic range : 103 dB typ (VREF = 5 V) S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V) Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface SPI®/QSPI™/MICROWIRE™/DSP compatible On-board reference buffer Single 5 V supply operation Power dissipation: 76 mW @ 500 kSPS 150 µW @ 1 kSPS 48-lead LQFP or 48-lead LFCSP package Pin-to-pin compatible upgrade of AD7674/AD7676/AD7678
FUNCTIONAL BLOCK DIAGRAM
PDBUF AGND AVDD REFBUFIN IN+ IN– SWITCHED CAP DAC PA...
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