Datasheet Analog Devices AD7898ARZ-3 — 数据表

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FEATURES
Fast 12-Bit ADC with 220 kSPS Throughput Rate
8-Lead SOIC
Single 5 V Supply Operation
High Speed, Flexible, Serial Interface that
Allows Interfacing to 3 V Processors
On-Chip Track/Hold Amplifier
Selection of Input Ranges
ⴞ10 V for AD7898-10
ⴞ2.5 V for AD7898-3
High Input Impedance
Low Power: 22.5 mW Max 5 V, 12-Bit, Serial 220 kSPS
ADC in an 8-Lead Package
AD7898*
FUNCTIONAL BLOCK DIAGRAM
VDD REF IN AD7898 TRACK/HOLD
V IN SIGNAL
SCALING* 12-BIT
ADC OUTPUT
REGISTER CONVST GND
VDRIVE
*AD7898-10, AD7898-3 SCLK SDATA GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The AD7898 is a fast 12-bit ADC that operates from a single …