MAX4477ASA+T

The MAX4477ASA+T is a low noise, low distortion, wide band, rail to rail operational amplifier (op-amp) in 8 pin NSOIC package. This dual op-amp with 10MHz gain bandwidth (GBW) operates in single supply and draws 2.2mA of quiescent supply current per amplifier at VDD = 3V while featuring ultra low distortion of 0.0002% THD+N as well as low input voltage noise density of 4.5nV/√Hz and low input current-noise density of 0.5fA/√Hz. This feature makes the device an ideal choice for applications that require low distortion and/or low noise. It is used in ADC buffers, DAC output amplifiers, low noise microphone/preamplifiers, digital scales and strain gauges/sensor amplifiers.

• Supply voltage range from ±1.35V to ±2.75V, 2.7V to 5.5V
• Operating temperature range from -40°C to 125°C
• Input common mode voltage range includes ground
• Rail to rail output swings with 1Kohm load
• Unity gain stable, slew rate of 3V/μs at AV = +1V/V and full power bandwidth of 0.4MHz at AV = +1V/V
• Excellent DC characteristics, input offset voltage of 70µV at TA = +25°C
• Input bias current of 1pA
• Large signal voltage gain of 120dB (RL = 10Kohm to VDD/2, VOUT = 100mV to (VDD - 125mV))
• CMRR of 115dB at TA = +25°C ((VSS - 0.2V) ≤ VCM ≤ (VDD -1.6V)) and PSRR of 120dB at VDD=2.7V to 5.5V
• Input offset current of ±1pA

Ứng Dụng

Signal Processing, Sensing & Instrumentation, Medical

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