Analog Devices OP285
The OP285 is a precision high-speed amplifier featuring the Butler Amplifier front-end. This new front-end design combines the accuracy and low noise performance of bipolar transistors with the speed of JFETs. This yields an amplifier with high slew rates, low offset and good noise performance at low supply currents.| Part No. | OP285 |
|---|---|
| Datasheet | OP285 Download |
| Manufacturer |  Analog Devices |
| Description | Dual 9 MHz Precision Operational Amplifier |
| Buy | Stock & Price |
FEATURES
Low Offset Voltage: 250●V Low Noise: 6 nV/ √ Hz Low Distortion: 0.0006% High Slew Rate: 22 V/●s Wide Bandwidth: 9 MHz Low Supply Current: 5 mA Low Offset Current: 2 nA Unity-Gain Stable SO-8 Package
APPLICATIONS
High Performance Audio Active Filters Fast Amplifiers Integrators Dual 9 MHz Precision Operational Amplifier OP285* PIN CONNECTIONS 8-Lead Narrow-Body SO (S-Suffix) OUT A 1 –IN A 2 +IN A 3 V– 4 8 V+ OP285 TOP VIEW (Not to Scale) 7 OUT B 6 –IN B 5 +IN B 8-Lead Epoxy DIP (P-Suffix) OUT A 1 –IN A +IN A 2 3 4 8 V+ OUT B –IN B +IN B – + + – 7 6 5GENERAL DESCRIPTION
V– OP285 Bias currents are also low compared to bipolar designs. The OP285 offers the slew rate and low power of a JFET amplifier combined with the precision, low noise and low drift of a bipolar amplifier. Input offset voltage is laser-trimmed and guaranteed less than 250 µV. This makes the OP285 useful in dc-coupled or summing applications without the need for special selections or the added noise of additional offset adjustment circuitry.
