AD8067ARTZ-R2
AI

The **AD8067ARTZ-R2** is a high-performance, voltage feedback operational amplifier developed by Analog Devices. It is part of the FastFET™ family, known for combining high speed with extremely low input bias current.
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## 1. Key Technical Specifications
The following table summarizes the primary electrical characteristics of the AD8067ARTZ-R2:
| Parameter | Specification |
| :--- | :--- |
| **Architecture** | FET Input (FastFET™) |
| **Bandwidth (-3 dB)** | 54 MHz |
| **Slew Rate** | 640 V/µs |
| **Input Bias Current** | 0.6 pA (Typical) |
| **Supply Voltage Range** | 5 V to 24 V (or ±2.5 V to ±12 V) |
| **Input Offset Voltage** | 1.0 mV (Maximum) |
| **Package Type** | SOT-23-5 (Surface Mount) |
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## 2. Core Electronic Features
### High-Speed Performance
With a **640 V/µs slew rate** and a **54 MHz bandwidth**, this op-amp is designed for high-frequency signal processing. It can handle rapid transitions in signal voltage without significant distortion, making it ideal for pulse amplification.
### FET Input Stage
The "FastFET" technology utilizes Field-Effect Transistors at the input. This results in an **extremely low input bias current (pA range)**. This is crucial when interfacing with high-impedance sensors, as it prevents the op-amp from loading the source and introducing measurement errors.
### Wide Supply Range
Unlike many high-speed op-amps that are limited to 5V or 12V, the AD8067 can operate up to **24V**. This provides significant headroom for large dynamic range signals.
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## 3. Typical Applications
The AD8067ARTZ-R2 is commonly integrated into the following systems:
1. **Photodiode Preamplifiers:** Due to the low input bias current, it is excellent for converting small currents from light sensors into measurable voltages.
2. **Precision Instrumentation:** Used in medical and scientific equipment where signal integrity is paramount.
3. **A/D Driver:** Driving high-speed Analog-to-Digital Converters (ADCs) with minimal noise injection.
4. **Active Filters:** Designing high-order filters that require wide bandwidth and high input impedance.
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## 4. Pin Configuration (SOT-23-5)
Below is the standard pinout for the ARTZ (SOT-23) package variant:
```text
_______
|1 5 | 1: V_OUT (Output)
| | 2: V- (Negative Supply)
|2 4 | 3: +IN (Non-inverting Input)
| 3 | 4: -IN (Inverting Input)
------- 5: V+ (Positive Supply)
```
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- ⤷What is the difference between the AD8067 and the AD8065?
- ⤷ How does the input bias current affect transimpedance amplifier design?
- ⤷ What decoupling capacitor values are recommended for this part?