SAMPLE/HOLD AMPLIFIER
® SHC298 SHC298A
Monolithic SAMPLE/HOLD AMPLIFIER
FEATURES
q 12-BIT THROUGHPUT ACCURACY q LESS THAN 10µs ACQUISITION T...
Description
® SHC298 SHC298A
Monolithic SAMPLE/HOLD AMPLIFIER
FEATURES
q 12-BIT THROUGHPUT ACCURACY q LESS THAN 10µs ACQUISITION TIME q WIDEBAND NOISE LESS THAN 20µVrms q RELIABLE MONOLITHIC CONSTRUCTION q 1010Ω INPUT RESISTANCE q TTL-CMOS-COMPATIBLE LOGIC INPUT
Offset Adjust 2
30kΩ
Analog 3 Input
Logic 8
Logic 7 Reference
A2 5 Output A1
150Ω
6 Hold Capacitor
C1
Mode Control (S/H) Input
DESCRIPTION
The SHC298 and SHC298A are high-performance monolithic sample/hold amplifiers featuring high DC accuracy with fast acquisition times and a low droop rate. Dynamic performance and holding performance can be optimized with proper selection of the external holding capacitor. With a 1000pF holding capacitor, 12-bit accuracy can be achieved with a 6µs acquisition time. Droop rates less than 5mV/min are possible with a 1µF holding capacitor.
These sample/holds will operate over a wide supply voltage ranging from ±5V to ±18V with very little change in performance. A separate Offset Adju...
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