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AD8221ARMZ
+NomenclatureIC INST AMP 1 CIRCUIT 8MSOP
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #AD8221ARMZ
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Package MSOP-8
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En stock2550
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube |
| Part Status | Active |
| Amplifier Type | Instrumentation |
| Number of Circuits | 1 |
| Slew Rate | 2V/µs |
| -3 dB Bandwidth | 825 kHz |
| Current - Input Bias | 500 pA |
| Voltage - Input Offset | 60 µV |
| Supply Current | 900µA |
| Current - Output / Channel | 18 mA |
| Voltage - Supply Span(Min) | 4.6 V |
| Voltage - Supply Span(Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the AD8221ARMZ include:
- High Common-Mode Rejection Ratio (CMRR) to handle noisy environments.
- Adjustable gain with a single resistor, allowing flexibility in different applications.
- Low power consumption, making it suitable for battery-operated devices.
- Wide power supply range, from single supply 2.2V to dual supplies ±18V.
- High accuracy and low offset voltage, ensuring precision in measurements.
- Available in a compact MSOP-8 package, optimizing space in circuit designs.
The amplifier is known for its reliability and robustness, capable of performing well across various environmental conditions. Its design focuses on delivering high performance with minimal error, making the AD8221ARMZ a popular choice for engineers requiring precision signal processing in demanding applications.
Equivalent
1. INA128 by Texas Instruments – A precision instrumentation amplifier with similar performance.
2. MAX4462 by Maxim Integrated – A low-cost alternative with similar characteristics.
3. LT1167 by Analog Devices (formerly Linear Technology) – A precision instrumentation amplifier.
Ensure to verify specifications like supply voltage, gain, bandwidth, and package type for compatibility with your application.
Features
1. High Accuracy: It offers a gain accuracy of 0.01% and a low offset voltage of 25 µV, ensuring precise signal amplification.
2. Wide Gain Range: Users can set gains from 1 to 1000 by using a single external resistor, providing flexibility for various applications.
3. Low Noise: The device features low input-referred noise of 8 nV/√Hz, making it suitable for low-level signal amplification.
4. High CMRR: It boasts a high common-mode rejection ratio (CMRR) of 100 dB, which is essential for removing noise from common-mode signals.
5. Wide Supply Range: It can operate with a dual supply range of ±2.3 V to ±18 V or a single supply range of 2.3 V to 36 V.
6. Rail-to-Rail Output: The AD8221ARMZ supports rail-to-rail output, maximizing the dynamic range.
7. Temperature Performance: It maintains performance across a wide temperature range from −40°C to +85°C.
These features make the AD8221ARMZ ideal for precision data acquisition systems, medical instrumentation, and industrial process controls.
Pinout
1. Pin 1 (RG1): Gain Resistor 1.
2. Pin 2 (V−): Negative Power Supply.
3. Pin 3 (VOUT): Output Voltage.
4. Pin 4 (REF): Reference Voltage Input.
5. Pin 5 (V+): Positive Power Supply.
6. Pin 6 (RG2): Gain Resistor 2.
7. Pin 7 (−IN): Inverting Input.
8. Pin 8 (+IN): Non-Inverting Input.
The gain of the AD8221 is set by the resistor connected between the RG1 and RG2 pins. It offers high accuracy, low noise, and excellent DC precision, making it versatile for various applications.