Overview
The AD8624ARUZ is a quad precision rail-to-rail output operational amplifier produced by Analog Devices Inc. This device is part of the AD8622/AD8624 family, known for its low power consumption, high precision, and robust performance over a wide temperature range. The AD8624ARUZ is particularly suited for applications requiring low noise, high dc precision, and rail-to-rail output swing, making it ideal for various precision instrumentation and control systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VSY | ±18 | V | |||
| Input Voltage | ±VSY | V | ||||
| Input Current | ±10 | mA | ||||
| Differential Input Voltage | ±10 | V | ||||
| Offset Voltage | VOS | −40°C ≤ TA ≤ +125°C | 10 | 125 | μV | |
| Supply Current | 215 | 350 | μA/amp | |||
| Input Bias Current | 200 | pA | ||||
| Input Offset Voltage Drift | 0.5 | 1.2 | μV/°C | |||
| Voltage Noise Density | en | f = 1 kHz | 11 | nV/√Hz | ||
| Gain Bandwidth Product | GBP | RL = 10 kΩ, CL = 20 pF, AV = 1 | 560 | kHz | ||
| Phase Margin | ΦM | RL = 10 kΩ, CL = 20 pF, AV = 1 | 75 | Degrees | ||
| Operating Temperature | TA | −40 | +125 | °C |
Key Features
- Very low offset voltage: 10 μV typical, 125 μV maximum.
- Low supply current: 215 μA/amp typical, 350 μA/amp maximum.
- Low input bias current: 200 pA maximum.
- Low input offset voltage drift: 0.5 μV/°C typical, 1.2 μV/°C maximum.
- Very low voltage noise: 11 nV/√Hz at 1 kHz.
- Rail-to-rail output swing and unity gain stability over a wide supply voltage range (±2.5 V to ±15 V).
- Input bias current cancellation circuitry for very low input bias current over the full operating temperature range.
Applications
- Portable precision instrumentation.
- Laser diode control loops.
- Strain gage amplifiers.
- Medical instrumentation.
- Thermocouple amplifiers.
Q & A
- What is the typical offset voltage of the AD8624ARUZ? The typical offset voltage is 10 μV, with a maximum of 125 μV.
- What is the supply current of the AD8624ARUZ? The supply current is typically 215 μA/amp, with a maximum of 350 μA/amp.
- What is the input bias current of the AD8624ARUZ? The input bias current is 200 pA maximum.
- What is the operating temperature range of the AD8624ARUZ? The operating temperature range is −40°C to +125°C.
- What are the key applications of the AD8624ARUZ? Key applications include portable precision instrumentation, laser diode control loops, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
- What is the gain bandwidth product of the AD8624ARUZ? The gain bandwidth product is 560 kHz with RL = 10 kΩ, CL = 20 pF, and AV = 1.
- What is the phase margin of the AD8624ARUZ? The phase margin is 75 degrees with RL = 10 kΩ, CL = 20 pF, and AV = 1.
- Is the AD8624ARUZ RoHS compliant? Yes, the AD8624ARUZ is RoHS compliant.
- What package types are available for the AD8624? The AD8624 is available in lead-free 14-lead TSSOP and 16-lead LFCSP packages.
- What is the maximum differential input voltage for the AD8624ARUZ? The maximum differential input voltage is ±10 V.
