Overview
The AD627BRZ-RL, produced by Analog Devices Inc., is a micropower, single- and dual-supply, rail-to-rail instrumentation amplifier. This device is designed to deliver high performance with low power consumption, making it ideal for a wide range of applications including battery-powered devices, industrial process controls, and medical instrumentation. The AD627BRZ-RL operates with a maximum supply current of 85 μA and supports a wide power supply range from +2.2 V to ±18 V. Its rail-to-rail output stage maximizes dynamic range even at low supply voltages, and the gain can be set with a single external resistor, offering flexibility in design.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Gain Range | G = +5 to +1000 | 5 | - | 1000 | V/V |
| Gain Error (G = +5) | - | 0.03% | 0.10% | 0.06% | % |
| Input Offset Voltage (VOSI) | - | 25 μV | 125 μV | 150 μV | μV |
| Common Mode Rejection Ratio (CMRR) (G = +5) | - | 83 dB | - | - | dB |
| Bandwidth (G = +5) | - | - | 80 kHz | - | kHz |
| Slew Rate | - | - | 0.05/−0.07 V/μs | - | V/μs |
| Settling Time to 0.01% (G = +5, 5 V step) | - | - | 135 μs | - | μs |
| Power Supply Range | - | +2.2 V | - | ±18 V | V |
| Quiescent Current | - | 60 μA | 85 μA | - | μA |
| Operating Temperature Range | - | −40°C | - | +85°C | °C |
Key Features
- Micropower operation with a maximum supply current of 85 μA.
- Single- and dual-supply operation with a wide power supply range (+2.2 V to ±18 V).
- Rail-to-rail output swing for maximum dynamic range.
- Gain settable with a single external resistor, offering a gain range from 5 to 1000.
- High accuracy DC performance with low gain error and gain drift.
- Excellent CMRR over frequency, rejecting line noise and harmonics up to 200 Hz.
- Low voltage offset and offset drift.
- Compact 8-lead SOIC package.
Applications
- 4 mA to 20 mA loop-powered applications.
- Low power medical instrumentation (ECG, EEG).
- Transducer interfacing.
- Thermocouple amplifiers.
- Industrial process controls.
- Low power data acquisition.
- Portable battery-powered instruments.
Q & A
- What is the maximum supply current of the AD627BRZ-RL?
The maximum supply current is 85 μA.
- What is the gain range of the AD627BRZ-RL?
The gain range is from 5 to 1000, settable with a single external resistor.
- What is the common mode rejection ratio (CMRR) of the AD627BRZ-RL at a gain of +5?
The CMRR is a minimum of 83 dB at a gain of +5.
- What is the bandwidth of the AD627BRZ-RL at a gain of +5?
The bandwidth is 80 kHz at a gain of +5.
- What is the settling time to 0.01% for the AD627BRZ-RL at a gain of +5 and a 5 V step?
The settling time is 135 μs.
- What is the operating temperature range of the AD627BRZ-RL?
The operating temperature range is from −40°C to +85°C.
- What types of power supplies can the AD627BRZ-RL operate on?
The AD627BRZ-RL can operate on both single (+2.2 V to 36 V) and dual (±1.1 V to ±18 V) power supplies.
- What is the input offset voltage of the AD627BRZ-RL?
The input offset voltage is typically 25 μV to 150 μV.
- What are some common applications of the AD627BRZ-RL?
Common applications include 4 mA to 20 mA loop-powered systems, medical instrumentation, transducer interfacing, thermocouple amplifiers, industrial process controls, and portable battery-powered instruments.
- What package type is the AD627BRZ-RL available in?
The AD627BRZ-RL is available in an 8-lead SOIC package.
