Overview
The Analog Devices AD8622ARMZ-R7 is a dual, low-power, precision rail-to-rail output operational amplifier. This component is designed for applications requiring high precision and low noise, making it suitable for a variety of instrumentation and measurement systems. The AD8622ARMZ-R7 operates over a wide supply voltage range of ±2.5 V to ±15 V and is specified for the extended industrial temperature range of −40°C to +125°C.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD8622ARMZ-R7 |
| Package | 8-Lead MSOP |
| Number of Channels | 2 |
| Supply Voltage | ±2.5 V to ±15 V |
| Operating Temperature | −40°C to +125°C |
| Input Bias Current | 45 pA |
| Slew Rate | 0.48 V/μs |
| Gain Bandwidth Product | 560 kHz |
| Common Mode Rejection Ratio (CMRR) | 135 dB |
| Power Supply Rejection Ratio (PSRR) | 145 dB |
| Offset Voltage | Typical 10 μV |
| Output Type | Rail-to-Rail |
Key Features
- Low power consumption with a maximum supply current of 350 μA per amplifier over temperature and supply voltages.
- High precision with a typical offset voltage of 10 μV and an offset drift of 0.5 μV/°C.
- Low noise performance with a voltage noise of 0.2 μV p-p (0.1 Hz to 10 Hz) and a voltage noise density of 11 nV/√Hz at 1 kHz.
- Rail-to-rail output swing and unity gain stability.
- Input bias current cancellation circuitry for very low input bias current.
- Frequency compensation to avoid oscillation.
Applications
- Portable precision instrumentation
- Laser diode control loops
- Strain gage amplifiers
- Medical instrumentation
- Thermocouple amplifiers
Q & A
- What is the supply voltage range of the AD8622ARMZ-R7?
The AD8622ARMZ-R7 operates over a supply voltage range of ±2.5 V to ±15 V.
- What is the typical offset voltage of the AD8622ARMZ-R7?
The typical offset voltage is 10 μV.
- What is the slew rate of the AD8622ARMZ-R7?
The slew rate is 0.48 V/μs.
- What is the gain bandwidth product of the AD8622ARMZ-R7?
The gain bandwidth product is 560 kHz.
- What is the common mode rejection ratio (CMRR) of the AD8622ARMZ-R7?
The CMRR is 135 dB.
- What is the power supply rejection ratio (PSRR) of the AD8622ARMZ-R7?
The PSRR is 145 dB.
- What is the operating temperature range of the AD8622ARMZ-R7?
The operating temperature range is −40°C to +125°C.
- What type of output does the AD8622ARMZ-R7 have?
The output type is rail-to-rail.
- What are some typical applications of the AD8622ARMZ-R7?
Typical applications include portable precision instrumentation, laser diode control loops, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
- What is the package type of the AD8622ARMZ-R7?
The package type is 8-Lead MSOP.
