Overview
The AD621AR-REEL7 is a low drift, low power instrumentation amplifier produced by Analog Devices Inc. This component is designed to provide high accuracy and reliability in various measurement and data acquisition applications. It is part of the AD621 series, which is known for its ease of use and high performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Gain Error (VOUT = ±10 V) | 0.15 | 0.05 | 0.15 | % |
| Nonlinearity (VOUT = –10 V to +10 V, RL = 2 kΩ) | 2 | 10 | 2 | ppm of FS |
| Gain vs. Temperature | -1.5 | ±5 | -1.5 | ppm/°C |
| Offset Voltage (RTI, VS = ±15 V) | 50 | 125 | 250 | µV |
| Offset Drift (VS = ±5 V to ±15 V) | 0.6 | 1.5 | 2.5 | µV/°C |
| Supply Current | 1.3 | mA | ||
| Operating Temperature Range | -40 | +85 | °C | |
| Power Supply Range | ±2.3 | ±18 | V |
Key Features
- Ease of use with pin-strappable gains of 10 and 100.
- Higher performance than discrete in-amp designs.
- Available in 8-lead DIP, SOIC, and cerdip packages.
- Low power consumption with a maximum supply current of 1.3 mA.
- Wide power supply range from ±2.3 V to ±18 V.
- Excellent DC performance with low gain error, nonlinearity, and offset voltage.
Applications
The AD621AR-REEL7 is suitable for various applications requiring high accuracy and low power consumption, such as:
- Precision data acquisition systems.
- Weigh scales and transducer interface circuits.
- Portable or remote applications where power dissipation, size, and weight are critical.
Q & A
- What is the AD621AR-REEL7? The AD621AR-REEL7 is a low drift, low power instrumentation amplifier from Analog Devices Inc.
- What are the available gain settings for the AD621AR-REEL7? The gain can be set to 10 or 100 via external pin strapping.
- What is the maximum supply current of the AD621AR-REEL7? The maximum supply current is 1.3 mA.
- What is the operating temperature range of the AD621AR-REEL7? The operating temperature range is from -40°C to +85°C.
- What are the package options for the AD621AR-REEL7? It is available in 8-lead DIP, SOIC, and cerdip packages.
- What are some typical applications for the AD621AR-REEL7? Typical applications include precision data acquisition systems, weigh scales, and transducer interface circuits.
- What is the power supply range for the AD621AR-REEL7? The power supply range is from ±2.3 V to ±18 V.
- Is the AD621AR-REEL7 ESD sensitive? Yes, the AD621AR-REEL7 is an ESD sensitive device.
- What is the storage temperature range for the AD621AR-REEL7? The storage temperature range is from -65°C to +150°C.
- Is the AD621AR-REEL7 still in production? No, the AD621AR-REEL7 is obsolete and no longer manufactured.
