Overview
The AD811JRZ-REEL7, produced by Analog Devices Inc., is a wideband current feedback operational amplifier optimized for broadcast-quality video systems. This amplifier is designed to provide high-speed performance, making it an excellent choice for various video and high-frequency applications. It features a high bandwidth, low differential gain and phase errors, and excellent dc precision, making it suitable for demanding video and data acquisition systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth (−3 dB, G = +1) | 140 | MHz |
| Bandwidth (−3 dB, G = +2) | 120 | MHz |
| Bandwidth (0.1 dB, G = +2) | 35 | MHz |
| Slew Rate | 2500 | V/µs |
| Settling Time to 0.1% (2 V step) | 25 | ns |
| Settling Time to 0.01% (10 V step) | 65 | ns |
| Differential Gain (RL = 150 Ω) | 0.01% | |
| Differential Phase (RL = 150 Ω) | 0.01° | |
| Voltage Noise | 1.9 | nV/√Hz |
| Input Offset Voltage | 3 | mV (max) |
| Power Supply Range | ±4.5 V to ±18 V | |
| Quiescent Current (±5 V) | 14.5 - 16.0 | mA |
| Quiescent Current (±15 V) | 16.5 - 18.0 | mA |
| Output Current | 100 | mA |
| Short-Circuit Current | 150 | mA |
| Output Resistance (Open Loop at 5 MHz) | 9 | Ω |
| Input Resistance (+Input) | 1.5 | MΩ |
| Input Resistance (−Input) | 14 | Ω |
| Input Capacitance (+Input) | 7.5 | pF |
Key Features
- High-speed performance with a bandwidth of 140 MHz at a gain of +1 and 120 MHz at a gain of +2.
- Low differential gain and phase errors of 0.01% and 0.01°, respectively, making it ideal for video systems.
- Excellent slew rate of 2500 V/µs and fast settling times.
- Low voltage and current noise, contributing to high signal integrity.
- Flexible operation over a wide power supply range of ±4.5 V to ±18 V.
- Low power supply current of 16.5 mA.
- Excellent dc precision with a maximum input offset voltage of 3 mV.
Applications
- Video crosspoint switchers and multimedia broadcast systems.
- HDTV compatible systems.
- Video line drivers and distribution amplifiers.
- ADC/DAC buffers in data acquisition systems.
- DC restoration circuits.
- Medical applications such as ultrasound and PET/Gamma Counter systems.
Q & A
- What is the bandwidth of the AD811 at a gain of +2?
The bandwidth of the AD811 at a gain of +2 is 120 MHz.
- What are the differential gain and phase errors of the AD811?
The differential gain and phase errors are 0.01% and 0.01°, respectively, at a load resistance of 150 Ω.
- What is the slew rate of the AD811?
The slew rate of the AD811 is greater than 2500 V/µs.
- What are the settling times for the AD811?
The settling time to 0.1% is 25 ns for a 2 V step, and to 0.01% is 65 ns for a 10 V step.
- What is the voltage noise of the AD811?
The voltage noise of the AD811 is 1.9 nV/√Hz.
- What is the input offset voltage of the AD811?
The maximum input offset voltage is 3 mV.
- What is the power supply range for the AD811?
The AD811 is specified over a power supply range of ±4.5 V to ±18 V.
- What are some typical applications of the AD811?
The AD811 is used in video crosspoint switchers, multimedia broadcast systems, HDTV compatible systems, video line drivers, distribution amplifiers, ADC/DAC buffers, and medical applications.
- What are the package options available for the AD811?
The AD811 is available in various packages including 8-Lead Plastic (N-8), CERDIP (Q-8), SOIC_N (R-8), 16-Lead SOIC_W (RW-16), and 20-Terminal LCC (E-20-1).
- Is the AD811 suitable for high-frequency and pulsed applications?
Yes, the AD811 is excellent for high-frequency and pulsed applications due to its high slew rate and fast settling times.
