Overview
The AD627ANZ, produced by Analog Devices Inc., is an integrated, micropower instrumentation amplifier. It is designed to deliver superior performance with low power consumption, making it ideal for a wide range of applications, including battery-powered and industrial systems. The AD627ANZ operates on both single and dual power supplies, ranging from +2.2 V to ±18 V, and features a rail-to-rail output swing, which maximizes dynamic range even at low supply voltages. With a maximum supply current of 85 μA, this amplifier is highly efficient and versatile.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Gain Range | 5 | - | 1000 | V/V |
| Gain Error (G = +5) | 0.01 | 0.10 | 0.03 | % |
| Input Offset Voltage (VOSI) | 25 | 250 | 50 | µV |
| Input Offset Voltage Drift | 1 | 3 | - | µV/°C |
| Bandwidth (G = +5) | - | 80 | - | kHz |
| Slew Rate | - | 0.05/−0.07 | - | V/µs |
| Settling Time to 0.01% (G = +5, 5 V step) | - | 65 | - | µs |
| Supply Voltage Range | +2.2 | - | ±18 | V |
| Quiescent Current | 60 | 85 | - | µA |
| Operating Temperature Range | -40 | - | +85 | °C |
Key Features
- Rail-to-Rail Output Swing: Maximizes dynamic range when operating from low supply voltages.
- Low Power Consumption: Maximum supply current of 85 μA, making it suitable for battery-powered applications.
- Wide Power Supply Range: Operates on single and dual supplies from +2.2 V to ±18 V.
- High Accuracy DC Performance: Low voltage offset, offset drift, gain error, and gain drift.
- Excellent AC Specifications: High CMRR (Common Mode Rejection Ratio) up to 200 Hz, rejecting line noise and harmonics.
- Easy Gain Setting: Gain can be set with a single external resistor, ranging from 5 to 1000.
- Compact Design: Uses less circuit board area and costs less than micropower discrete designs.
Applications
- Battery-Powered Systems: Ideal due to low power consumption and rail-to-rail output swing.
- Industrial Applications: Suitable for 4 to 20 mA loop-powered systems and other industrial environments.
- Medical Devices: High accuracy and low noise make it suitable for medical instrumentation.
- Aerospace and Defense: Reliable performance in a wide range of temperatures and supply voltages.
Q & A
- What is the maximum supply current of the AD627ANZ?
The maximum supply current of the AD627ANZ is 85 μA.
- What is the gain range of the AD627ANZ?
The gain range of the AD627ANZ is from 5 to 1000, settable with a single external resistor.
- What is the operating temperature range of the AD627ANZ?
The operating temperature range of the AD627ANZ is from -40°C to +85°C.
- What is the typical input offset voltage of the AD627ANZ?
The typical input offset voltage of the AD627ANZ is 25 µV to 250 µV.
- What is the bandwidth of the AD627ANZ at a gain of +5?
The bandwidth of the AD627ANZ at a gain of +5 is 80 kHz.
- Can the AD627ANZ operate on both single and dual power supplies?
Yes, the AD627ANZ can operate on both single and dual power supplies ranging from +2.2 V to ±18 V.
- What is the slew rate of the AD627ANZ?
The slew rate of the AD627ANZ is +0.05/−0.07 V/µs.
- How long does it take for the AD627ANZ to settle to 0.01% at a gain of +5 and a 5 V step?
The settling time to 0.01% at a gain of +5 and a 5 V step is 65 µs.
- Is the AD627ANZ suitable for industrial applications?
Yes, the AD627ANZ is suitable for industrial applications, including 4 to 20 mA loop-powered systems.
- What is the common mode rejection ratio (CMRR) of the AD627ANZ?
The CMRR of the AD627ANZ is 77 dB minimum for AD627A and 83 dB minimum for AD627B at a gain of +5.
