Overview
The AD812ANZ, produced by Analog Devices Inc., is a low power, single supply, dual video amplifier. This component is designed to optimize performance in video systems, particularly for driving back-terminated video loads. Each amplifier in the AD812ANZ features a high output current of 50 mA and is housed in a compact 8-lead SOIC or PDIP package. The device is suitable for various professional video electronics applications, including cameras and video switchers, due to its excellent video specifications and low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage | 2.4 | 36 | V | |
| Quiescent Current per Amplifier (+5 V) | 3.2 | 4.0 | mA | |
| Quiescent Current per Amplifier (+3 V) | 3.0 | 3.5 | mA | |
| Output Current | 30 | 50 | mA | |
| Output Voltage Swing (RL = 150 Ω, VS = ±5 V) | 3.5 | 3.8 | V | |
| Bandwidth (G = +2, No Peaking, VS = +5 V) | 35 | 50 | MHz | |
| Slew Rate (G = +2, RL = 1 kΩ, VS = +5 V) | 125 | V/µs | ||
| Input Voltage Noise (f = 10 kHz, VS = +5 V) | 3.5 | nV/√Hz | ||
| Differential Gain Error (NTSC, VS = +5 V) | 0.02% | |||
| Differential Phase Error (NTSC, VS = +5 V) | 0.02° |
Key Features
- Two video amplifiers in one 8-lead SOIC or PDIP package
- Optimized for driving back-terminated video loads (150 Ω)
- Low power operation: 3.2 mA to 4.0 mA per amplifier at +5 V supply
- High speed performance: 145 MHz unity gain bandwidth and 1600 V/µs slew rate
- Excellent video specifications: 0.1 dB gain flatness to 40 MHz, 0.02% differential gain error, and 0.02° differential phase error
- Output current of 50 mA and output swing to within 1 V of supply rails
- Single supply operation from +3 V to +30 V, and dual supply operation up to ±15 V
- Industrial temperature range: –40°C to +85°C
Applications
- Video line drivers
- Professional cameras
- Video switchers
- Special effects equipment
- Portable and battery-powered applications where size and power are critical
- General purpose high-speed applications
Q & A
- What is the AD812ANZ? The AD812ANZ is a low power, single supply, dual video amplifier produced by Analog Devices Inc.
- What is the typical quiescent current per amplifier at a +5 V supply? The typical quiescent current per amplifier is 3.2 mA to 4.0 mA.
- What is the bandwidth of the AD812ANZ at a gain of +2? The bandwidth is 35 MHz to 50 MHz at a gain of +2 with no peaking.
- What is the slew rate of the AD812ANZ? The slew rate is 125 V/µs at a gain of +2 and a load resistance of 1 kΩ.
- What are the differential gain and phase errors of the AD812ANZ? The differential gain error is 0.02%, and the differential phase error is 0.02°.
- What is the output current capability of each amplifier? Each amplifier can provide up to 50 mA of output current.
- What is the operating temperature range of the AD812ANZ? The operating temperature range is –40°C to +85°C.
- Can the AD812ANZ operate on a single supply? Yes, it can operate on a single supply from +3 V to +30 V, as well as dual supplies up to ±15 V.
- What are some common applications of the AD812ANZ? Common applications include video line drivers, professional cameras, video switchers, special effects equipment, and general purpose high-speed applications.
- What package types are available for the AD812ANZ? The AD812ANZ is available in 8-lead SOIC and PDIP packages.
