Overview
The AD811JRZ, produced by Analog Devices Inc., is a high-performance, wideband current feedback operational amplifier. It is specifically optimized for broadcast-quality video systems, offering exceptional speed and precision. The amplifier boasts a -3 dB bandwidth of 120 MHz at a gain of +2 and a slew rate of 2500 V/µs, making it ideal for applications requiring high-speed signal processing and low distortion.
Key Specifications
| Parameter | Value |
|---|---|
| -3 dB Bandwidth (G = +1) | 140 MHz |
| -3 dB Bandwidth (G = +2) | 120 MHz |
| Bandwidth (0.1 dB, G = +2) | 35 MHz |
| Slew Rate | 2500 V/µs |
| Settling Time (2 V step, 0.1%) | 25 ns |
| Settling Time (10 V step, 0.01%) | 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 | 16.5 mA (±15 V) |
| Output Current | 100 mA |
| Package | 8-Lead SOIC |
Key Features
- High-speed operation with a -3 dB bandwidth of 140 MHz at a gain of +1 and 120 MHz at a gain of +2.
- Fast slew rate of 2500 V/µs and settling times of 25 ns to 0.1% and 65 ns to 0.01% for 2 V and 10 V steps, respectively.
- Excellent video performance with differential gain and phase errors of 0.01% and 0.01° at RL = 150 Ω.
- Low distortion: THD = −74 dB at 10 MHz.
- Low voltage and current noise: 1.9 nV/√Hz and 20 pA/√Hz, respectively.
- Flexible power supply operation: specified for ±4.5 V to ±18 V.
- Low power supply current: 16.5 mA at ±15 V.
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, PET, and gamma counter systems.
Q & A
- What is the -3 dB bandwidth of the AD811JRZ at a gain of +2?
The -3 dB bandwidth of the AD811JRZ at a gain of +2 is 120 MHz.
- What is the slew rate of the AD811JRZ?
The slew rate of the AD811JRZ is 2500 V/µs.
- What are the differential gain and phase errors of the AD811JRZ?
The differential gain and phase errors are 0.01% and 0.01°, respectively, at RL = 150 Ω.
- What is the input offset voltage of the AD811JRZ?
The input offset voltage is 3 mV max).
- What is the power supply range for the AD811JRZ?
The power supply range is ±4.5 V to ±18 V).
- What is the quiescent current of the AD811JRZ at ±15 V?
The quiescent current is 16.5 mA at ±15 V).
- What are some typical applications of the AD811JRZ?
Typical applications include video crosspoint switchers, HDTV compatible systems, video line drivers, ADC/DAC buffers, and medical ultrasound systems).
- What package types are available for the AD811JRZ?
The AD811JRZ is available in an 8-Lead SOIC package).
- Is the AD811JRZ suitable for high-speed video applications?
Yes, the AD811JRZ is optimized for broadcast-quality video systems and is suitable for high-speed video applications due to its high bandwidth and low distortion).
- Does the AD811JRZ have low noise characteristics?
Yes, the AD811JRZ has low voltage and current noise of 1.9 nV/√Hz and 20 pA/√Hz, respectively).
