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RH1028M/RH1128M - Ultralow Noise Precision High Speed Op Amps
Linear Technology Inc.
Description
The RH1028(gain of -1 stable)/RH1128(gain of +1 stable) achieve a new standard of excellence in noise performance with 0.9nV/√Hz 1kHz noise, 1.0nV/√Hz 10Hz noise. This ultralow noise is combined with excellent high speed speci- ?cations (gain-bandwidth product is 75MHz for RH1028, 20MHz for RH1128), distortion-free output, and true precision parameters (0.25μV/°C drift, 20μV offset voltage, 25 million voltage gain). Although the RH1028/RH1128 input stage operates at nearly 1mA of collector current to achieve low voltage noise, input bias current is only 50nA. The RH1028/RH1128’s voltage noise is less than the noise of a 50Ω resistor. Therefore, even in very low source impedance transducer or audio amplifier applications, the RH1028/RH1128’s contribution to total system noise will be negligible.
Features
Absolute Maximum Ratings Supply Voltage (–55°C to 125°C)............................±16V Differential Input Current (Note 9) .......................±25mA Input Voltage..............................Equal to Supply Voltage Output Short-Circuit Duration .......................... Indefinite Operating Temperature Range................ –55°C to 125°C Storage Temperature Range................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) .................. 300°C
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