AD8221BRZ-R7

The AD8221BRZ-R7 is a high-performance, gain-programmable instrumentation amplifier from Analog Devices Inc. (ADI). This device offers exceptional accuracy and reliability in a variety of applications, including precision data acquisition, biomedical analysis, and aerospace instrumentation.

Key Features:

1. Gain Programmable:
   • The AD8221BRZ-R7 allows for gain settings from 1 to 1000 with a single external resistor, providing design flexibility for a wide range of applications.
2. High Common-Mode Rejection Ratio (CMRR):
   • With a minimum CMRR of 80 dB up to 10 kHz for all grades at G = 1, the AD8221BRZ-R7 effectively rejects wideband interference and line harmonics, simplifying filter requirements.
3. Low Noise:
   • The device features a low input voltage noise density of 8 nV/√Hz at 1 kHz, and a low input noise of 0.25 μV p-p (0.1 Hz to 10 Hz), making it suitable for applications sensitive to electrical noise.
4. Wide Power Supply Range:
   • The AD8221BRZ-R7 operates from a wide power supply range of ±2.3 V to ±18 V, providing flexibility in different power supply environments.
5. Excellent AC Specifications:
   • The amplifier offers an 825 kHz, -3 dB bandwidth (G = 1) and a 2 V/μs slew rate, ensuring high-speed performance in AC applications.
6. High Accuracy DC Performance:
   • With low voltage offset, low offset drift, and low gain drift, the AD8221BRZ-R7 delivers high accuracy DC performance, making it ideal for applications such as bridge signal conditioning.
7. Compact Package:
   • Available in a low-cost 8-lead SOIC and 8-lead MSOP package, the AD8221BRZ-R7 offers industry-best performance while saving board space. The MSOP package requires half the board space of the SOIC, making it ideal for multichannel or space-constrained applications.
8. Wide Temperature Range:
   • The device is rated for operation over the entire industrial temperature range of -40°C to +85°C, with an extended operational temperature range up to +125°C.

Applications:

The AD8221BRZ-R7 is suitable for a variety of applications, including:

• Precision data acquisition systems
• Biomedical analysis and instrumentation
• Aerospace and defense instrumentation
• Industrial process controls
• Bridge amplifiers and transducer interfaces

In conclusion, the AD8221BRZ-R7 is a high-performance, gain-programmable instrumentation amplifier that offers exceptional accuracy, reliability, and flexibility in a compact package. Its high CMRR, low noise, and wide power supply range make it an ideal choice for a wide range of applications.