AD7899
AD7899 is 5V Single Supply 14-Bit 400 kSPS ADC manufactured by Analog Devices.
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Features
Fast (2.2 s) 14-Bit ADC 400 kSPS Throughput Rate 0.3 s Track/Hold Acquisition Time Single Supply Operation Selection of Input Ranges: ؎10 V, ؎5 V and ؎2.5 V
0 V to 2.5 V and 0 V to 5 V High-Speed Parallel Interface which Also Allows
Interfacing to 3 V Processors Low Power, 80 mW Typ Power-Saving Mode, 20 W Typ Overvoltage Protection on Analog Inputs Power-Down Mode via STBY Pin
5 V Single Supply 14-Bit 400 kSPS ADC
STBY
VINA VINB
FUNCTIONAL BLOCK DIAGRAM
AVDD
VREF
VDRIVE
6k⍀
+
- 2.5V REFERENCE
TRACK/HOLD
SIGNAL SCALING
14-BIT ADC
OUTPUT LATCH
BUSY/EOC
CONVERSION CONTROL LOGIC
INT/EXT CLOCK SELECT
INT CLOCK
DB13 DB0 CS
GENERAL DESCRIPTION...
