OPA227
FEATURES q LOW NOISE: 3n V/√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: 138d B HIGH OPEN-LOOP GAIN: 160d B LOW INPUT BIAS CURRENT: 10n A 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 bine 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...
