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AD621ARZ-R7
+Lista de MateriaisIC INST AMP 1 CIRCUIT 8SOIC
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD621ARZ-R7
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Ficha Técnica AD621ARZ-R7 DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Base Product Number | AD621 |
| Amplifier Type | Instrumentation |
| Number of Circuits | 1 |
| Slew Rate | 1.2V/µs |
| Current - Input Bias | 500 pA |
| Voltage - Input Offset | 75 µV |
| Supply Current | 900µA |
| Voltage - Supply Span (Min) | 4.6 V |
| Voltage - Supply Span (Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| -3 dB Bandwidth | 800 kHz |
| Current - Output / Channel | 18 mA |
Visão Geral
Description
The device features a low noise level and excellent common-mode rejection ratio (CMRR), enhancing the quality and reliability of measurements. It operates on a single or dual power supply, accommodating a wide range of input voltages. The AD621ARZ-R7 comes in a compact SOIC-8 package, making it suitable for space-constrained applications. Its robustness and performance characteristics make it well-suited for precision instrumentation tasks where stability and accuracy are paramount.
Equivalent
1. INA128 from Texas Instruments
2. MAX4198 from Maxim Integrated
3. LT1167 from Analog Devices (formerly Linear Technology)
These products offer similar functionalities, such as high input impedance, low offset voltage, and high common-mode rejection ratio, making them suitable alternatives for precision signal conditioning applications. Always check specifications to ensure they meet your exact requirements.
Features
1. High Accuracy: Offers low offset voltage, drift, and noise for precise measurements.
2. Gain Settable: Provides easy gain setting with two options: a fixed gain of 10 or an externally set gain of 100.
3. Low Power Consumption: Optimized for low power usage, making it suitable for battery-operated devices.
4. Wide Supply Range: Compatible with dual power supplies ranging from ±2.3 V to ±18 V.
5. High CMRR: Exhibits high Common-Mode Rejection Ratio for improved noise rejection.
6. Wide Bandwidth: Suitable for applications requiring wide frequency response.
7. Compact Package: Available in a small SOIC package, ideal for space-constrained designs.
These features make the AD621ARZ-R7 suitable for various applications like medical instrumentation, data acquisition systems, and industrial process controls that demand precision and reliability.
Pinout
1. Ref (Pin 1): Reference voltage input. It allows the output to be level-shifted.
2. -IN (Pin 2): Inverting input.
3. +IN (Pin 3): Non-inverting input.
4. -VS (Pin 4): Negative power supply voltage.
5. Rg (Pin 5): Gain-setting resistor connection.
6. Output (Pin 6): Amplifier output.
7. +VS (Pin 7): Positive power supply voltage.
8. Rg (Pin 8): Gain-setting resistor connection.
The AD621 is known for its low power consumption, high precision, and its capability of providing high gain accuracy, making it suitable for various precision applications such as sensor signal conditioning and data acquisition systems.
Manufacturer
Application
1. Industrial Process Controls: It is used for sensor signal conditioning in environments requiring high precision and reliability.
2. Medical Instrumentation: Supports applications in ECG and other diagnostic equipment, benefiting from its low noise and high accuracy.
3. Weigh Scales: Provides precision amplification of load cell signals for accurate weight measurement.
4. Data Acquisition Systems: Enhances signal integrity and accuracy in data collection and analysis.
5. Strain Gauge Applications: Ideal for pressure and force measurement systems due to its high input impedance and low offset voltage.
These applications benefit from the AD621ARZ-R7's low power consumption and high gain accuracy.