Overview
The AD811ARZ-16 from Analog Devices Inc. is a high-performance video operational amplifier designed to meet the stringent requirements of broadcast-quality video systems. This op-amp is optimized for excellent video performance, featuring low differential gain and phase errors, and a high bandwidth of up to 140 MHz. It is suitable for driving one or two back-terminated 75Ω cables and operates over a wide power supply range from ±4.5V to ±18V. The AD811 is also ideal for pulsed applications where transient response is critical and is used in various applications such as video crosspoint switchers, multimedia broadcast systems, and HDTV compatible systems.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Bandwidth (3 dB) | 140 MHz (G = +1), 120 MHz (G = +2), 35 MHz (0.1 dB, G = +2) | MHz | Vs = ±15V, RFB = 562Ω |
| Slew Rate | 2500 V/µs | V/µs | VOUT = 4V p-p, Vs = ±15V, TA = +25°C |
| Settling Time | 25 ns to 0.1% (2V step), 65 ns to 0.01% (10V step) | ns | AV = -1, Vs = ±15V, TA = +25°C |
| Rise Time, Fall Time | 3.5 ns | ns | RFB = 649, AV = +2, Vs = ±15V, TA = +25°C |
| Input Offset Voltage | 3 mV max | mV | TMIN to TMAX |
| Input Voltage Noise | 1.9 nV/√Hz | nV/√Hz | f = 1 kHz |
| Supply Current | 16.5 mA | mA | Vs = ±15V |
| Supply Voltage Range | ±4.5V to ±18V | V | TMIN to TMAX |
| Operating Temperature Range | -40°C to +85°C | °C | |
| Package Type | 16-lead SOIC-W | - |
Key Features
- High-speed operation with a bandwidth of up to 140 MHz (3 dB, G = +1) and 35 MHz (0.1 dB, G = +2)
- Excellent video performance with low differential gain and phase errors
- High slew rate of 2500 V/µs and fast settling time of 25 ns to 0.1%
- Low distortion up to 10 MHz and wide unity gain bandwidth
- Flexible operation over a wide power supply range from ±4.5V to ±18V
- Low power supply current of 16.5 mA
- Surface mount 16-lead SOIC-W package
- Operating temperature range from -40°C to +85°C
Applications
- Video crosspoint switchers
- Multimedia broadcast systems
- HDTV compatible systems
- Video line drivers and distribution amplifiers
- ADC/DAC buffers in data acquisition systems
- DC restoration circuits
- Medical applications including ultrasound, PET, and gamma counter systems
- MIL-STD-883B parts available
Q & A
- What is the typical bandwidth of the AD811ARZ-16?
The AD811ARZ-16 has a typical bandwidth of 140 MHz (3 dB, G = +1), 120 MHz (3 dB, G = +2), and 35 MHz (0.1 dB, G = +2).
- What is the slew rate of the AD811ARZ-16?
The slew rate of the AD811ARZ-16 is typically 2500 V/µs.
- What is the settling time of the AD811ARZ-16?
The settling time is 25 ns to 0.1% for a 2V step and 65 ns to 0.01% for a 10V step.
- What is the input offset voltage of the AD811ARZ-16?
The input offset voltage is 3 mV max.
- What is the power supply range of the AD811ARZ-16?
The power supply range is from ±4.5V to ±18V.
- What is the operating temperature range of the AD811ARZ-16?
The operating temperature range is from -40°C to +85°C.
- What package type does the AD811ARZ-16 come in?
The AD811ARZ-16 comes in a 16-lead SOIC-W package.
- What are some common applications of the AD811ARZ-16?
Common applications include video crosspoint switchers, multimedia broadcast systems, HDTV compatible systems, video line drivers, distribution amplifiers, ADC/DAC buffers, and medical applications.
- Is the AD811ARZ-16 suitable for high-speed video applications?
Yes, the AD811ARZ-16 is optimized for high-speed video applications with excellent video performance and low distortion up to 10 MHz.
- Does the AD811ARZ-16 meet military standards?
Yes, MIL-STD-883B parts are available for the AD811ARZ-16.
