Overview
The AD828AR, produced by Analog Devices Inc., is a dual, low-power video operational amplifier designed for high-performance video applications. It is optimized for use in scenarios requiring gains of +2 or greater and high output drive capability, such as driving back-terminated cables. The AD828AR is notable for its low power consumption, single-supply functionality, and excellent video specifications, making it ideal for power-sensitive applications like video cameras and professional video equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | +5 V, ±5 V to ±15 V | V |
| Power Supply Current | 15 mA (max) | mA |
| 3 dB Bandwidth (G = +2) | 130 MHz | MHz |
| Slew Rate | 450 V/µs | V/µs |
| Settling Time to 0.01% | 80 ns | ns |
| Output Current per Amplifier | 50 mA (min) | mA |
| Input Offset Voltage | 2.0 mV (max) | mV |
| Differential Gain Error | 0.01% | % |
| Differential Phase Error | 0.05° | ° |
| Output Swing (VS = ±5 V, RL = 150 Ω) | ±3.2 V (min) | V |
| Package Types | 8-Lead SOIC, 8-Lead Plastic Mini-DIP |
Key Features
- Excellent video performance with differential gain and phase errors of 0.01% and 0.05°, respectively.
- High speed with a 130 MHz 3 dB bandwidth and 450 V/µs slew rate.
- Low power consumption with a maximum supply current of 15 mA.
- High output drive capability with a minimum output current of 50 mA per amplifier.
- Ideal for driving back-terminated cables and capacitive loads up to 10 pF.
- Flexible power supply options: single +5 V or dual ±5 V to ±15 V.
- Excellent DC performance with a low input offset voltage of 2.0 mV max.
- Available in small, low-cost 8-lead SOIC and 8-lead plastic mini-DIP packages.
Applications
- Video cameras and professional video equipment.
- Video monitors and CATV systems.
- Color copiers and image scanners.
- Fax machines and other high-speed video applications.
- Cable driving and other applications requiring high output drive capability.
Q & A
- What is the typical application of the AD828AR?
The AD828AR is typically used in video applications that require high output drive capability and low power consumption, such as video cameras, professional video equipment, and cable driving.
- What are the power supply options for the AD828AR?
The AD828AR can operate with a single +5 V power supply or with dual supplies ranging from ±5 V to ±15 V.
- What is the maximum output current per amplifier for the AD828AR?
The AD828AR can deliver a minimum output current of 50 mA per amplifier.
- What are the key video performance specifications of the AD828AR?
The AD828AR has differential gain and phase errors of 0.01% and 0.05°, respectively, and maintains 0.1 dB flatness to 40 MHz.
- What is the settling time of the AD828AR to 0.01%?
The settling time of the AD828AR to 0.01% is 80 ns.
- What are the package types available for the AD828AR?
The AD828AR is available in 8-lead SOIC and 8-lead plastic mini-DIP packages.
- How much power does the AD828AR consume?
The AD828AR has a maximum power supply current of 15 mA.
- What is the input offset voltage of the AD828AR?
The input offset voltage of the AD828AR is 2.0 mV maximum.
- Can the AD828AR drive capacitive loads?
Yes, the AD828AR can drive capacitive loads up to 10 pF without oscillating, and it can handle heavier capacitive loads as the closed-loop gain is increased.
- What is the slew rate of the AD828AR?
The slew rate of the AD828AR is 450 V/µs.
