Overview
The AD712KR, produced by Analog Devices Inc., is a high-speed, precision, monolithic operational amplifier. It offers excellent overall performance at competitive prices, making it an ideal choice for various high-performance applications. The AD712KR benefits from Analog Devices’ advanced processing technology, including laser wafer trimming, which ensures a very low input offset voltage and minimal offset voltage drift. This amplifier is particularly suited for applications requiring superior AC and DC performance, such as active filter circuits, buffers for digital-to-analog converters (DACs) and analog-to-digital converters (ADCs), and high-speed integrators.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage | 0.3 | 3 | 3 | mV |
| Input Offset Voltage Drift | 7 | 20 | µV/°C | |
| Input Bias Current | 20 | 75 | 75 | pA |
| Common-Mode Rejection Ratio | 76 | 95 | 100 | dB |
| Slew Rate | 16 | V/µs | ||
| Settling Time (to ±0.01%) | 1 | µs | ||
| Supply Voltage | ±9 | ±15 | ±18 | V |
| Operating Temperature Range | 0 | 70 | °C | |
| Package Type | SOIC-8 |
Key Features
- Low input offset voltage (maximum 3 mV) and low offset voltage drift (maximum 20 µV/°C).
- High slew rate of 16 V/µs and fast settling time of 1 µs to ±0.01%.
- High common-mode rejection ratio (CMRR) of up to 100 dB.
- Low input bias current (maximum 75 pA).
- High open-loop gain of 400 V/mV.
- Available in various packages including SOIC, PDIP, CERDIP, and TO-99 metal can.
- Extended reliability PLUS screening available, including 168-hour burn-in and other environmental tests.
Applications
- Active filter circuits
- Buffers for 12-bit digital-to-analog converters (DACs) and analog-to-digital converters (ADCs)
- High-speed integrators
- Photo diode preamps due to excellent noise performance and low input current
- Instrumentation amplifier circuits
- Medical equipment
- Industrial control systems
- Automotive systems
Q & A
- Q: What is the typical input offset voltage of the AD712KR?
A: The typical input offset voltage of the AD712KR is 3 mV.
- Q: What is the slew rate of the AD712KR?
A: The slew rate of the AD712KR is 16 V/µs.
- Q: What is the common-mode rejection ratio (CMRR) of the AD712KR?
A: The CMRR of the AD712KR is up to 100 dB.
- Q: What are the typical operating temperature ranges for the AD712KR?
A: The AD712KR operates over a temperature range of 0°C to 70°C for commercial grades.
- Q: What packages is the AD712KR available in?
A: The AD712KR is available in packages such as SOIC, PDIP, CERDIP, and TO-99 metal can.
- Q: What is the supply voltage range for the AD712KR?
A: The supply voltage range for the AD712KR is ±9 V to ±18 V.
- Q: Is the AD712KR suitable for high-speed applications?
A: Yes, the AD712KR is suitable for high-speed applications due to its fast slew rate and settling time).
- Q: Does the AD712KR have extended reliability screening options?
A: Yes, the AD712KR has extended reliability PLUS screening options, including 168-hour burn-in and other environmental tests).
- Q: What are some common applications of the AD712KR?
A: Common applications include active filter circuits, DAC and ADC buffers, high-speed integrators, and photo diode preamps).
- Q: Is the AD712KR RoHS compliant?
A: No, the AD712KR is not RoHS compliant).
