Overview
The AD627ARZ-RL is a micropower, single and dual supply, rail-to-rail instrumentation amplifier produced by Analog Devices Inc. This integrated circuit is designed to deliver high performance with low power consumption, making it suitable for a wide range of applications. The AD627 offers excellent ac and dc specifications, including high common-mode rejection ratio (CMRR) and low voltage offset, which minimize errors in the system. It operates with a maximum supply current of 85 μA and supports a wide supply voltage range from +2.2 V to ±18 V. The device is available in an 8-lead SOIC package and is RoHS compliant.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Current | - | - | 85 | μA |
| Supply Voltage Range | +2.2 | - | ±18 | V |
| Operating Temperature | -40 | - | 85 | °C |
| Gain Range | 5 | - | 1000 | V/V |
| -3 dB Bandwidth (G = +5) | - | - | 80 | kHz |
| Slew Rate | - | - | 0.06 | V/μs |
| Input Offset Voltage | 25 | 50 | 250 | μV |
| Input Bias Current | - | - | 2 | nA |
| Output Current per Channel | - | - | 25 | mA |
| CMRR (G = +5) | 77 | - | 83 | dB |
Key Features
- Micropower Operation: Maximum supply current of 85 μA, making it ideal for battery-powered and low-power applications.
- Wide Supply Voltage Range: Operates from +2.2 V to ±18 V, supporting both single and dual supply configurations.
- Rail-to-Rail Output Swing: Maximizes dynamic range when operating from low supply voltages.
- High CMRR: Excellent common-mode rejection ratio, especially up to 200 Hz, to reject line noise and harmonics.
- Low Voltage Offset and Drift: Minimizes errors in the system with low input offset voltage and drift.
- Gain Flexibility: Gain can be set with a single external resistor, ranging from 5 to 1000.
- RoHS Compliant: Meets RoHS3 standards for environmental compliance.
Applications
- 4 mA to 20 mA Loop-Powered Systems: Ideal for industrial process control applications.
- Low Power Medical Instrumentation: Suitable for ECG, EEG, and other medical devices requiring low power consumption.
- Transducer Interfacing: Used in various transducer applications due to its high accuracy and low noise.
- Thermocouple Amplifiers: Effective in temperature measurement systems.
- Portable Battery-Powered Instruments: Ideal for handheld and portable devices due to its low power consumption and rail-to-rail output swing.
- Industrial Process Controls: Used in various industrial automation and control systems.
Q & A
- What is the maximum supply current of the AD627ARZ-RL?
The maximum supply current of the AD627ARZ-RL is 85 μA.
- What is the operating temperature range of the AD627ARZ-RL?
The operating temperature range is from -40°C to 85°C.
- What is the gain range of the AD627ARZ-RL?
The gain range can be set from 5 to 1000 using a single external resistor.
- What is the typical CMRR of the AD627ARZ-RL at a gain of +5?
The typical CMRR at a gain of +5 is 83 dB for the AD627B and 77 dB for the AD627A.
- What is the -3 dB bandwidth of the AD627ARZ-RL at a gain of +5?
The -3 dB bandwidth at a gain of +5 is 80 kHz.
- Is the AD627ARZ-RL RoHS compliant?
Yes, the AD627ARZ-RL is RoHS3 compliant.
- What is the input offset voltage of the AD627ARZ-RL?
The input offset voltage is typically 50 μV, with a maximum of 250 μV.
- What is the slew rate of the AD627ARZ-RL?
The slew rate is 0.06 V/μs.
- What are some common applications of the AD627ARZ-RL?
Common applications include 4 mA to 20 mA loop-powered systems, low power medical instrumentation, transducer interfacing, thermocouple amplifiers, and portable battery-powered instruments.
- What package type is the AD627ARZ-RL available in?
The AD627ARZ-RL is available in an 8-lead SOIC package.
