Overview
The AD829ARZ, produced by Analog Devices Inc., is a high-speed, low-noise operational amplifier (op amp) designed for various high-performance applications. It is particularly suited for professional video and high-speed data conversion tasks due to its exceptional bandwidth, low noise, and high slew rate. The AD829 offers custom compensation, allowing users to optimize its performance for specific loads and power supply voltages. This op amp is available in several package types, including SOIC, PDIP, CERDIP, and LCC, making it versatile for different design requirements.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Voltage Noise | 1.7 nV/√Hz | nV/√Hz |
| Current Noise | 1.5 pA/√Hz | pA/√Hz |
| Bandwidth | >50 MHz (for gains of 1 to 20) | MHz |
| Slew Rate | 230 V/µs (uncompensated) | V/µs |
| Gain Bandwidth Product | 750 MHz | MHz |
| Input Offset Voltage | 1 mV (maximum) | mV |
| Common-Mode Rejection Ratio (CMRR) | 120 dB | dB |
| Power Supply Rejection Ratio (PSRR) | 120 dB | dB |
| Supply Voltage Range | ±5 V to ±15 V | V |
| Quiescent Current | 5 mA (typical at ±15 V) | mA |
| Operating Temperature Range | −40°C to +125°C (AD829A) | °C |
Key Features
- Low input voltage noise of 1.7 nV/√Hz and current noise of 1.5 pA/√Hz, making it ideal for low-noise applications.
- High slew rate of 230 V/µs and a gain bandwidth product of 750 MHz, suitable for high-speed applications.
- Custom compensation via an external pin, allowing for optimization of bandwidth for specific loads and power supply voltages.
- Excellent dc performance with a minimum open-loop gain of 30 V/mV into loads as low as 500 Ω.
- Differential phase error of 0.04° and differential gain error of 0.02% at NTSC, PAL, and SECAM color subcarrier frequencies, making it outstanding for video applications.
- Able to drive heavy capacitive loads and reverse-terminated 50 Ω or 75 Ω cables.
- Available in various package types including SOIC, PDIP, CERDIP, and LCC.
Applications
- Professional video applications, including driving reverse-terminated 50 Ω or 75 Ω cables.
- High-speed data conversion, such as input buffers for 8-bit to 10-bit ADCs and output I/V converters for high-speed DACs.
- Medical imaging devices.
- CCTV systems.
- Video welding machines.
- Other high-accuracy and low-noise applications.
Q & A
- What is the typical input voltage noise of the AD829ARZ?
The typical input voltage noise of the AD829ARZ is 1.7 nV/√Hz.
- What is the slew rate of the AD829ARZ?
The slew rate of the AD829ARZ is 230 V/µs (uncompensated).
- What is the gain bandwidth product of the AD829ARZ?
The gain bandwidth product of the AD829ARZ is 750 MHz.
- What are the typical supply voltages for the AD829ARZ?
The AD829ARZ can operate from supply voltages ranging from ±5 V to ±15 V.
- What is the quiescent current of the AD829ARZ?
The quiescent current of the AD829ARZ is typically 5 mA at ±15 V.
- What are the key video performance metrics of the AD829ARZ?
The AD829ARZ has a differential phase error of 0.04° and a differential gain error of 0.02% at NTSC, PAL, and SECAM color subcarrier frequencies.
- Can the AD829ARZ drive heavy capacitive loads?
Yes, the AD829ARZ can drive heavy capacitive loads.
- In what package types is the AD829ARZ available?
The AD829ARZ is available in SOIC, PDIP, CERDIP, and LCC package types.
- What are some common applications of the AD829ARZ?
Common applications include professional video, high-speed data conversion, medical imaging devices, CCTV systems, and video welding machines.
- What is the operating temperature range of the AD829ARZ?
The operating temperature range of the AD829ARZ is −40°C to +125°C for the AD829A model.
