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OP4177:  Precision Low Noise, Low Input Bias Current Operational Amplifiers

The OPx177 family consists of very high precision, single, dual, and quad amplifiers featuring extremely low offset voltage and drift, low input bias current, low noise, and low power consumption. Outputs are stable with capacitive loads of over 1000 pF with no external compensation. Supply current is less than 500 μA per amplifier at 30 V. Internal 500 Ω series resistors protect the inputs, ...More

OP4177:  Precision Low Noise, Low Input Bias Current Operational Amplifiers

Product Description

The OPx177 family consists of very high precision, single, dual, and quad amplifiers featuring extremely low offset voltage and drift, low input bias current, low noise, and low power consumption. Outputs are stable with capacitive loads of over 1000 pF with no external compensation. Supply current is less than 500 μA per amplifier at 30 V. Internal 500 Ω series resistors protect the inputs, allowing input signal levels several volts beyond either supply without phase reversal.

Unlike previous high voltage amplifiers with very low offset voltages, the OP1177 (single) and OP2177 (dual) amplifiers are available in tiny 8-lead surface-mount MSOP and 8-lead narrow SOIC packages. The OP4177 (quad) is available in TSSOP and 14-lead narrow SOIC packages. Moreover, specified performance in the MSOP and the TSSOP is identical to performance in the SOIC package. MSOP and TSSOP are available in tape and reel only.

The OPx177 family offers the widest specified temperature range of any high precision amplifier in surface-mount packaging. All versions are fully specified for operation from −40°C to +125°C for the most demanding operating environments.

Applications for these amplifiers include precision diode power measurement, voltage and current level setting, and level detection in optical and wireless transmission systems. Additional applications include line-powered and portable instrumentation and controls–thermocouple, RTD, strain-bridge, and other sensor signal conditioning–and precision filters.

Applications

  • Wireless base station control circuits
  • Optical network control circuits
  • Instrumentation
  • Sensors and controls
    Thermocouples
    Resistor thermal detectors (RTDs)
    Strain bridges
    Shunt current measurements
  • Precision filters

RESOURCES & TOOLS

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  • Low offset voltage: 60 μV maximum
  • Very low offset voltage drift: 0.7 μV/°C maximum
  • Low input bias current: 2 nA maximum
  • Low noise: 8 nV/√Hz typical
  • CMRR, PSRR, and AVO > 120 dB minimum
  • Low supply current: 400 μA per amplifier
  • Dual supply operation: ±2.5 V to ±15 V
  • Unity Gain Stable
  • No Phase Reversal
  • Inputs internally protected beyond supply voltage
  • -3dB Bandwidth: 1.3MHz
  • Slew Rate: 700mV/µs
  • Vos: 15µV
  • Ib: 500pA
  • Input Noise (nV/rtHz): 7.9nV/rtHz
  • Vcc-Vee Supply (V): 5 to 36
  • Iq per Amplifier: 500µA
  • # OpAmps per Pkg: 4
  • Operating Temp Range: -40 to +125
  • Packages: SOIC,SOP

Pin Configuration Diagram for OP4177

OP4177 Diagram
Pin Configuration Diagram for OP4177

类似产品

arrow View Full Interactive Product Selection Table
Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
OP4177 1.3MHz 700mV/µs 15µV 500pA 7.9nV/rtHz 4 -40 to +125
AD8630 2.5MHz 1V/µs 1µV 100pA 22nV/rtHz 4 -40 to +125
AD8608 10MHz 5V/µs 20µV 200fA 6.5nV/rtHz 4 -40 to +125
AD8618 24MHz 12V/µs 23µV 200fA 6nV/rtHz 4 -40 to +125
AD8648 22MHz 12V/µs 700µV 200fA 6nV/rtHz 4 -40 to +125
OP2177 1.3MHz 700mV/µs 15µV 500pA 7.9nV/rtHz 2 -40 to +125
AD8676 10MHz 2.5V/µs 12µV 500pA 2.8nV/rtHz 2 -40 to +125
OP1177 1.3MHz 700mV/µs 15µV 500pA 7.9nV/rtHz 1 -40 to +125
AD8675 10MHz 2.5V/µs 10µV 500pA 2.8nV/rtHz 1 -40 to +125
AD8664 4MHz 3.5V/µs 50µV 300fA 12nV/rtHz 4 -40 to +125
AD8643 3.5MHz 3V/µs 50µV 250fA 27.5nV/rtHz 4 -40 to +125
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