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OPA227

Burr-Brown
Part Number OPA227
Manufacturer Burr-Brown
Description High Precision / Low Noise OPERATIONAL AMPLIFIERS
Published May 13, 2005
Detailed Description ® OPA 227 OPA 422 7 OPA OPA227 222 7 OPA 42 27 OPA2 OPA2227 OPA4227 27 OPA2 227 OPA228 OPA2228 OPA4228 For m...
Datasheet PDF File OPA227 PDF File

OPA227
OPA227

Overview
® OPA 227 OPA 422 7 OPA OPA227 222 7 OPA 42 27 OPA2 OPA2227 OPA4227 27 OPA2 227 OPA228 OPA2228 OPA4228 For most current data sheet and other product information, visit www.
burr-brown.
com High Precision, Low Noise OPERATIONAL AMPLIFIERS FEATURES q LOW NOISE: 3nV/√Hz q WIDE BANDWIDTH: OPA227: 8MHz, 2.
3V/µs OPA228: 33MHz, 10V/µs q SETTLING TIME: 5µs (significant improvement over OP-27) q q q q q q HIGH CMRR: 138dB HIGH OPEN-LOOP GAIN: 160dB LOW INPUT BIAS CURRENT: 10nA max LOW OFFSET VOLTAGE: 75µV max WIDE SUPPLY RANGE: ±2.
5V to ±18V OPA227 REPLACES OP-27, LT1007, MAX427 DESCRIPTION The OPA227 and OPA228 series op amps combine low noise and wide bandwidth with high precision to make them the ideal choice for applications requiring both ac and precision dc performance.
The OPA227 is unity gain stable and features high slew rate (2.
3V/µs) and wide bandwidth (8MHz).
The OPA228 is optimized for closed-loop gains of 5 or greater, and offers higher speed with a slew rate of 10V/µs and a bandwidth of 33MHz.
The OPA227 and OPA228 series op amps are ideal for professional audio equipment.
In addition, low quiescent current and low cost make them ideal for portable applications requiring high precision.
The OPA227 and OPA228 series op amps are pinfor-pin replacements for the industry standard OP-27 and OP-37 with substantial improvements across the board.
The dual and quad versions are available for space savings and per-channel cost reduction.
The OPA227, OPA228, OPA2227, and OPA2228 are available in DIP-8 and SO-8 packages.
The OPA4227 and OPA4228 are available in DIP-14 and SO-14 packages with standard pin configurations.
Operation is specified from –40°C to +85°C.
OPA4227, OPA4228 Out A –In A +In A 1 2 A 3 4 5 B –In B Out B 6 7 DIP-14, SO-14 C 9 8 –In C Out C D 12 11 10 +In D V– +In C 14 13 Out D –In D q OPA228 REPLACES OP-37, LT1037, MAX437 q SINGLE, DUAL, AND QUAD VERSIONS APPLICATIONS q q q q q q q DATA ACQUISITION TELECOM EQUIPMENT GEOPHYSICAL ANALYSIS VI...


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