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SHC298

Burr-Brown
Part Number SHC298
Manufacturer Burr-Brown
Description SAMPLE/HOLD AMPLIFIER
Published Dec 12, 2019
Detailed Description ® SHC298 SHC298A Monolithic SAMPLE/HOLD AMPLIFIER FEATURES q 12-BIT THROUGHPUT ACCURACY q LESS THAN 10µs ACQUISITION T...
Datasheet PDF File SHC298 PDF File

SHC298
SHC298

Overview
® 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 Adjust pin is used to adjust the offset in either the Sample on the Hold modes.
The fully differential logic inputs have low input current, and are compatible with TTL, 5V CMOS, and CMOS logic families.
The SHC298AM is available in a hermetically sealed 8-pin TO-99 package and is specified over a temperature range from –25°C to +85°C.
The SHC298JP and SHC298JU are 8-pin plastic DIP and SOIC packaged parts specified over 0°C to +70°C.
The SHC298AJP, specified over 0°C to +70°C, is available in an 8-pin plastic DIP.
The SHC298A grade features improved gain and offset error, improved drift over temperature, and faster acquisition time.
The SHC298 family is a price-performance bargain.
It is well suited for use with several 12-bit A/D converters in data acquisition systems, data distribution systems, and analog delay circuits.
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