Precision High-Speed Difet OPERATIONAL AMPLIFIERS
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | ±5V to ±18V | -18 | 18 | V | |
| Input Offset Voltage | VIO | VCM = 0V | -0.2 | 0.1 | 0.4 | mV |
| Input Bias Current | IB | VCM = 0V | -10 | 2 | 10 | nA |
| Input Offset Current | IOS | VCM = 0V | -5 | 0.5 | 5 | nA |
| Common-Mode Input Voltage Range | VCM | VCC = ±15V | -13.5 | 13.5 | V | |
| Differential Input Voltage Range | VID | VCC = ±15V | -30 | 30 | V | |
| Output Voltage Swing | VOUT | RL = 1kΩ, VCC = ±15V | -14.5 | 14.5 | V | |
| Slew Rate | SR | VOUT = 10V step | 2500 | V/μs | ||
| Gain Bandwidth Product | GBP | VCC = ±15V | 150 | 180 | 210 | MHz |
| Large Signal Voltage Gain | AV | VCC = ±15V, RL = 1kΩ | 10000 | 20000 | V/V | |
| Noise Voltage | en | f = 1kHz | 1.9 | nV/√Hz | ||
| Noise Current | in | f = 1kHz | 0.5 | pA/√Hz | ||
| Quiescent Current | IQ | VCC = ±15V | 2.5 | 3.5 | 4.5 | mA |
Instructions for Using OPA627AM:
Power Supply:
- The OPA627AM can operate with a supply voltage range from ±5V to ±18V.
- Ensure that the power supply is stable and clean to avoid noise and instability.
Input Signals:
- The common-mode input voltage range is from -13.5V to +13.5V when the supply voltage is ±15V.
- The differential input voltage range is ±30V under the same conditions.
- Use appropriate input protection circuits if the input signals exceed these ranges.
Output Configuration:
- The output voltage swing is ±14.5V with a load resistance of 1kΩ and a supply voltage of ±15V.
- For optimal performance, ensure that the load impedance is within the recommended range.
Stability and Compensation:
- The OPA627AM is internally compensated for unity gain stability.
- External compensation may be required for specific applications or to achieve higher stability margins.
Noise Considerations:
- The noise voltage is 1.9 nV/√Hz at 1kHz, and the noise current is 0.5 pA/√Hz at 1kHz.
- Use low-noise power supplies and shielding to minimize external noise interference.
Temperature Range:
- The OPA627AM is designed for operation over the industrial temperature range of -40°C to +85°C.
- Ensure that the operating environment does not exceed these limits to maintain reliability.
Handling and Storage:
- Handle the device with care to avoid electrostatic discharge (ESD) damage.
- Store the device in a dry, cool place to prevent moisture-related issues.
Mounting and PCB Layout:
- Use proper PCB layout techniques to minimize parasitic capacitance and inductance.
- Place decoupling capacitors close to the power supply pins to reduce noise and improve stability.
Testing and Troubleshooting:
- Use a calibrated oscilloscope and signal generator for testing.
- Check for proper biasing and signal levels to ensure correct operation.
- If issues arise, refer to the datasheet for troubleshooting tips and application notes.
