OPA171AIDBVT

OPA171AIDBVT

Category: IC Chips

Specifications
SKU
12612270
Details

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Parameter Symbol Min Typ Max Unit Notes
Supply Voltage VCC 2.7 - 5.5 V
Quiescent Current IQ - 600 - μA Per amplifier
Input Offset Voltage VIO - 30 - μV
Input Bias Current IB - 10 - pA
Input Voltage Range VIN - - - VCC - 1.2V
Output Voltage Swing VOUT 0 - VCC - 1.2V V
Slew Rate SR - 2.5 - V/μs
Bandwidth (Unity Gain) fT - 1.8 - MHz
Large Signal Bandwidth fLS - 250 - kHz
CMRR CMRR - 120 - dB
PSRR PSRR - 120 - dB
Noise Voltage Density en - 3.8 - nV/√Hz 10 Hz to 10 kHz
Noise Current Density in - 0.1 - pA/√Hz 10 Hz to 10 kHz
Operating Temperature TA -40 - 125 °C
Storage Temperature TSTG -65 - 150 °C

Instructions for Use:

  1. Supply Voltage: Ensure the supply voltage is within the specified range of 2.7V to 5.5V.
  2. Quiescent Current: The typical quiescent current is 600 μA per amplifier. Design the power supply to accommodate this.
  3. Input Offset Voltage: The typical input offset voltage is 30 μV. This can affect precision applications.
  4. Input Bias Current: The typical input bias current is 10 pA, which is very low and suitable for high-impedance sources.
  5. Input Voltage Range: The input voltage should be within the range of 0V to VCC - 1.2V.
  6. Output Voltage Swing: The output voltage swing is from 0V to VCC - 1.2V. Ensure the load does not require voltages outside this range.
  7. Slew Rate: The typical slew rate is 2.5 V/μs, which affects the ability to handle fast-changing signals.
  8. Bandwidth: The unity gain bandwidth is 1.8 MHz, and the large signal bandwidth is 250 kHz. Choose the appropriate gain for your application.
  9. CMRR and PSRR: Both are 120 dB, indicating good rejection of common-mode and power supply noise.
  10. Noise: The noise voltage density is 3.8 nV/√Hz, and the noise current density is 0.1 pA/√Hz, making it suitable for low-noise applications.
  11. Operating Temperature: The operating temperature range is -40°C to 125°C, suitable for a wide range of environments.
  12. Storage Temperature: Store the device between -65°C and 150°C to ensure long-term reliability.

Additional Notes:

  • Always use bypass capacitors (typically 0.1 μF and 10 μF) close to the power supply pins to reduce noise and improve stability.
  • For optimal performance, ensure proper PCB layout with short signal paths and adequate grounding.
  • Refer to the datasheet for detailed specifications and application notes.
(For reference only)

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