Overview
The AD8091ARZ-REEL, produced by Analog Devices Inc., is a low-cost, high-speed rail-to-rail amplifier. This single-channel amplifier is part of the AD8091 and AD8092 series, which are designed to operate on a variety of power supplies, including +3 V, +5 V, and ±5 V. The AD8091 is known for its excellent performance, versatility, and true single-supply capability, making it ideal for a range of applications, particularly in portable and battery-powered devices where size and power are critical.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | -40 | +85 | °C | |
| Power Supply Operating Range | 3 | 12 | V | |
| Quiescent Current/Amplifier | 4.2 | 4.6 | 5 | mA |
| Input Resistance | 290 | kΩ | ||
| Input Capacitance | 1.4 | pF | ||
| Input Common-Mode Voltage Range | -0.2 | +4 | V | |
| Output Voltage Swing (RL = 10 kΩ to 2.5 V) | 0.015 | 4.985 | V | |
| Output Current (VOUT = 0.5 V to 4.5 V) | 45 | mA | ||
| Short-Circuit Current (Sourcing/Sinking) | 80/130 | mA | ||
| Capacitive Load Drive (G = +1) | 50 | pF | ||
| -3 dB Small Signal Bandwidth (G = +1, VO = 0.2 V p-p) | 70 | 110 | MHz |
Key Features
- Low cost and high speed rail-to-rail amplifier.
- True single-supply capability with input voltage range extending 200 mV below the negative rail and within 1 V of the positive rail.
- Output voltage swing extends to within 25 mV of each rail, providing maximum output dynamic range with excellent overdrive recovery.
- Low power supply current, suitable for portable and battery-powered applications.
- Available in 8-lead SOIC, tiny SOT23-5, and MSOP packages.
- High bandwidth and fast slew rate, making it useful in many general-purpose, high-speed applications.
- Low distortion and fast settling time, ideal for active filter applications.
Applications
- Portable and battery-powered equipment where size and power are critical.
- Video electronics such as cameras and video switchers.
- Active filter applications due to low distortion and fast settling time.
- General-purpose, high-speed applications requiring dual power supplies up to ±6 V and single supplies from +3 V to +12 V.
Q & A
- What is the operating temperature range of the AD8091ARZ-REEL? The operating temperature range is -40°C to +85°C.
- What are the available package types for the AD8091? The AD8091 is available in 8-lead SOIC, tiny SOT23-5, and MSOP packages.
- What is the typical quiescent current per amplifier? The typical quiescent current per amplifier is 4.6 mA.
- What is the input common-mode voltage range? The input common-mode voltage range is -0.2 V to +4 V.
- What is the output voltage swing for a load resistance of 10 kΩ to 2.5 V? The output voltage swing is from 0.015 V to 4.985 V.
- What is the short-circuit current sourcing and sinking capability? The short-circuit current is 80 mA sourcing and 130 mA sinking.
- What is the capacitive load drive capability for a gain of +1? The capacitive load drive capability is 50 pF for a gain of +1.
- What is the -3 dB small signal bandwidth for a gain of +1 and output voltage of 0.2 V p-p? The -3 dB small signal bandwidth is 70 MHz to 110 MHz.
- Is the AD8091 suitable for video electronics? Yes, the AD8091 is suitable for video electronics such as cameras and video switchers due to its high speed and rail-to-rail output swing.
- Can the AD8091 operate on a single 3 V power supply? Yes, the AD8091 can operate on a single 3 V power supply, making it ideal for portable and battery-powered applications.
