Overview
The AD810ANZ is a composite and HDTV-compatible, current feedback, video operational amplifier produced by Analog Devices Inc. It is designed for high-performance video and data acquisition systems, making it ideal for applications such as multimedia, digital tape recorders, and video cameras. The amplifier features a low power supply current, a disable function to conserve power, and excellent video signal handling capabilities.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Bandwidth (0.1 dB flatness) | 30 MHz (G = +2) | Load: 150 Ω, Supply: ±15 V |
| Bandwidth (Unity Gain, -3 dB) | 80 MHz | Supply: ±15 V |
| Differential Gain | 0.02% | Load: 150 Ω, Supply: ±15 V |
| Differential Phase | 0.04° | Load: 150 Ω, Supply: ±15 V |
| Power Supply Current | 8.0 mA (max) | Supply: ±15 V |
| Disable Power Supply Current | 2.1 mA | Supply: ±15 V |
| Supply Voltage Range | ±5 V to ±15 V | |
| Slew Rate | 300 V/μs | Gain: -10, Supply: ±15 V |
| Noise | 2.9 nV/√Hz | Supply: ±15 V |
Key Features
- Current feedback architecture for stable bandwidth across various gains.
- Low power consumption with a maximum supply current of 8.0 mA and a disable mode reducing current to 2.1 mA.
- High bandwidth of 80 MHz at unity gain and 30 MHz at a gain of +2 with 0.1 dB flatness.
- Excellent video signal handling with low differential gain and phase errors (0.02% and 0.04° respectively).
- Disable feature with fast enable and disable times (approximately 100 ns and 750 ns respectively).
- Operates over a wide supply voltage range of ±5 V to ±15 V.
Applications
- Multimedia systems
- Digital tape recorders
- Video cameras
- Video line drivers
- ADC and DAC buffers in video systems
- Video multiplexers (2:1, 4:1, etc.)
Q & A
- What is the primary application of the AD810ANZ? The AD810ANZ is primarily used in high-performance video and data acquisition systems, such as multimedia, digital tape recorders, and video cameras.
- What is the bandwidth of the AD810ANZ at unity gain? The bandwidth at unity gain is 80 MHz.
- How does the disable feature work on the AD810ANZ? The disable feature reduces the power supply current to 2.1 mA when the amplifier is not in use, and it can be controlled by grounding the disable pin or using open-drain logic.
- What is the differential gain and phase error of the AD810ANZ? The differential gain and phase errors are 0.02% and 0.04° respectively.
- What is the slew rate of the AD810ANZ? The slew rate is 300 V/μs at a gain of -10.
- Can the AD810ANZ be used in video multiplexers? Yes, the AD810ANZ can be used to form video multiplexers such as 2:1 and 4:1 multiplexers.
- What is the noise level of the AD810ANZ? The noise level is 2.9 nV/√Hz.
- What is the supply voltage range for the AD810ANZ? The supply voltage range is ±5 V to ±15 V.
- How does the current feedback architecture benefit the AD810ANZ? The current feedback architecture ensures stable bandwidth across various gains, which is not typically seen in voltage feedback amplifiers.
- What is the typical enable and disable time for the AD810ANZ? The typical enable time is about 100 ns, and the disable time can be extended to about 750 ns using open-drain logic.
