The CBM8538, CBM8539 series of CMOS operational amplifiers use auto-zero techniques to simultan-eously provide very low offset voltage (5μV max) and near-zero drift over time and temperature. This family of amplifiers has ultralow noise, offset and power.
This miniature, high-precision operational amplifiers offer high input impedance and rail-to-rail input and rail-to-rail output swing. With high gain-bandwidth product of 1.6MHz and slew rate of 0.7V/μs.
Single or dual supplies as low as +2.5V(±1.25V) and up to +5.5V (±2.75V) may be used.
The CBM8538/CBM8539 are specified for the extended industrial and automotive temperature range (-40°C to 125°C). The CBM8538 single amplifier is available in 5-lead SOT23, 8-lead MSOP and 8-lead SOIC packages, The CBM8539 dual amplifier is available in 8-lead SOIC and 8-lead MSOP narrow surface mount packages.
Low Offset Voltage: 1uV
Input Offset Drift: 0.005μV/°C
High Gain Bandwidth Product: 1.6MHz
Rail-to-Rail Input and Output
High Gain, CMRR, PSRR:130dB
High Slew Rate: 0.7V/μs
Low Noise: 1.3uVp-p (0.01~10Hz)
Low Power Consumption: 180μA /op amp
Overload Recovery Time:2us
Low Supply Voltage: +2.5 V to +5.5 V
No External Capacitors Required
Extended Temperature: -40°C to +125°C
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