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AD820ARZ
+NomenclatureIC OPAMP JFET 1 CIRCUIT 8SOIC
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #AD820ARZ
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Package SOIC-8
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En stock7301
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube |
| Part Status | Active |
| Amplifier Type | J-FET |
| Number of Circuits | 1 |
| Output Type | Rail-to-Rail |
| Slew Rate | 3V/µs |
| Gain Bandwidth Product | 1.8 MHz |
| -3 dB Bandwidth | 1.9 MHz |
| Current - Input Bias | 2 pA |
| Voltage - Input Offset | 400 µV |
| Supply Current | 700µA |
| Current - Output / Channel | 20 mA |
| Voltage - Supply Span(Min) | 5 V |
| Voltage - Supply Span(Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Présentation
Description
The amplifier operates with a low supply current, making it energy-efficient, and is capable of functioning over a wide supply voltage range. Its gain is set externally by a single resistor, which provides flexibility in various applications. The AD820ARZ offers a zero-drift architecture, ensuring minimal offset voltage over time and temperature changes, making it ideal for precision measurement applications.
This amplifier is commonly used in medical instrumentation, data acquisition systems, and industrial process controls. It comes in a compact, surface-mount package, facilitating easy integration into circuit boards. Overall, the AD820ARZ combines high performance with efficiency, catering to a wide range of precision amplification needs.
Equivalent
1. LM358 - a dual operational amplifier with similar supply voltage range.
2. TLV2371 - a single, low-power rail-to-rail op-amp.
3. OPA344 - a single-supply, rail-to-rail input and output op-amp.
These alternatives may have slight differences in specifications, so check the datasheets to ensure compatibility with your application.
Features
1. Wide Supply Range: Operates with dual supplies from ±2.3 V to ±18 V or a single supply from 4.6 V to 36 V, offering flexibility for various applications.
2. Low Offset Voltage: Features a low input offset voltage, ensuring high accuracy in measurement and minimal error over time.
3. High CMRR: Offers a high common-mode rejection ratio (CMRR), which allows the device to accurately amplify small differential signals while rejecting large common-mode voltages.
4. Adjustable Gain: Gain can be set with external resistors, providing versatility in adjusting amplification levels to suit specific applications.
5. Low Power Consumption: Consumes minimal power, making it suitable for battery-powered and portable devices.
6. Temperature Range: Functions efficiently over a wide temperature range, making it robust for industrial use.
7. Compact Package: Comes in a small, surface-mount package, suitable for space-constrained designs.
These features make the AD820ARZ ideal for precision amplification in applications such as sensor signal conditioning, data acquisition, and medical instrumentation.
Pinout
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): Inverting input terminal for differential signal applications.
3. Pin 3 (Non-Inverting Input): Non-inverting input terminal for differential signal applications.
4. Pin 4 (V-): Negative power supply terminal.
5. Pin 5 (Offset Null): Used for offset voltage adjustment (typically paired with Pin 1).
6. Pin 6 (Output): The output terminal of the operational amplifier.
7. Pin 7 (V+): Positive power supply terminal.
8. Pin 8 (NC/No Connect): Typically not internally connected, used for mechanical stability or future use.
The AD820ARZ is known for its low offset voltage, low input bias current, and high open-loop gain, making it suitable for precision applications.