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Product Model: "AD820BRZ"
Product Description:
The AD820BRZ is a high-performance, low-power operational amplifier
designed for a wide range of precision signal conditioning and
amplification applications. With its low input bias current, low
offset voltage, and rail-to-rail input and output capability, this
amplifier delivers excellent performance while operating from a
single power supply voltage. It is an ideal choice for applications
in sensor interfaces, medical instrumentation, and portable
measurement devices where accuracy and low power consumption are
critical.
Features:
- Low Power Consumption: The AD820BRZ operates with a low supply
current of 300µA, making it suitable for power-sensitive
applications where battery life is crucial.
- Rail-to-Rail Input and Output: The amplifier provides a wide input
voltage range that extends from the negative supply voltage (V-) to
the positive supply voltage (V+), allowing for accurate signal
amplification and compatibility with a variety of signal levels.
- Low Input Bias Current: With a maximum input bias current of 1pA,
the AD820BRZ ensures minimal current flowing into the input
terminals, reducing errors in precision applications and improving
overall accuracy.
- Low Offset Voltage: The amplifier features a low offset voltage of
200µV, enabling precise amplification of small signals and
minimizing errors in sensor interfaces and measurement systems.
- High Common-Mode Rejection Ratio (CMRR): The AD820BRZ offers a high
CMRR of 114dB, providing excellent rejection of common-mode signals
and enhancing the amplifier's ability to amplify differential
signals accurately.
- Wide Supply Voltage Range: The device operates from a single power
supply voltage ranging from 2.7V to 36V, providing flexibility in
design and power management.
- Unity-Gain Stable: The amplifier is unity-gain stable, allowing for
easy configuration and operation in various applications without
the need for external compensation.
- Low Input Voltage Noise: With an input voltage noise density of
20nV/√Hz, the amplifier ensures accurate amplification of low-level
signals, making it suitable for applications requiring high signal
fidelity.
Applications:
- Sensor Interfaces: The AD820BRZ is well-suited for sensor interface
circuits, including temperature sensors, pressure sensors, and
strain gauges, providing accurate signal amplification and
conditioning for precise measurement.
- Medical Instrumentation: It can be used in medical devices such as
patient monitors, ECG amplifiers, and blood pressure monitors,
delivering high precision and low power consumption for reliable
healthcare measurements.
- Portable Measurement Devices: The amplifier is suitable for
portable measurement instruments, including handheld meters, data
loggers, and portable oscilloscopes, providing accurate signal
amplification in a compact form factor.
- Industrial Control Systems: The AD820BRZ can be utilized in
industrial control systems, process control equipment, and
automation systems, ensuring accurate signal amplification and
control in industrial environments.
Product Specifications:
Parameter | Value |
---|
Supply Voltage Range | 2.7V to 36V |
Supply Current | 300µA |
Input Bias Current (Maximum) | 1pA |
Offset Voltage (Maximum) | 200µV |
Gain Bandwidth Product | 1MHz |
Input Voltage Noise Density | 20nV/√Hz |
Common-Mode Rejection Ratio (CMRR) | 114dB |
Rail-to-Rail Input/Output | Yes |
Operating Temperature Range | -40°C to +125°C |
Package | 8-Lead SOIC (Small Outline IC) |
With its low power consumption, rail-to-rail input and output
capability, and precision performance, the AD820BRZ is a versatile
operational amplifier well-suited for a wide range of applications.
Its compact size, high common-mode rejection ratio, and low noise
characteristics make it an excellent choice for precision signal
conditioning, sensor interfaces, and portable measurement devices.
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