Overview
The AD829AR-REEL7, produced by Analog Devices Inc., is a high-speed, low-noise operational amplifier (op amp) designed for various high-performance applications. This component is fabricated using Analog Devices' proprietary complementary bipolar (CB) process, which ensures high-speed operation and low noise characteristics. The AD829 is particularly suited for professional video applications, high-speed data conversion, and other demanding environments where precision and speed are critical.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | ±4.5 | ±18 | V | |
| Quiescent Current | 5 | 6.5 | 8.7 | mA |
| Input Offset Voltage | 0.2 | 1 | 1 | mV |
| Input Bias Current | 3.3 | 7 | 9.5 | µA |
| Input Voltage Noise | 1.7 | nV/√Hz | ||
| Input Current Noise | 1.5 | pA/√Hz | ||
| Slew Rate | 230 | V/µs | ||
| Gain Bandwidth Product | 750 | MHz | ||
| Common-Mode Rejection Ratio (CMRR) | 120 | dB | ||
| Power Supply Rejection Ratio (PSRR) | 120 | dB |
Key Features
- High-speed operation with a gain bandwidth product of 750 MHz and a slew rate of 230 V/µs.
- Low noise characteristics: 1.7 nV/√Hz input voltage noise and 1.5 pA/√Hz input current noise.
- Excellent DC performance with a minimum open-loop gain of 30 V/mV and a low input offset voltage of 1 mV maximum.
- External compensation pin for optimizing bandwidth for given load and power supply voltage.
- Ideal for video applications with 0.02% differential gain error and 0.04° differential phase error.
- Flexible operation specified for ±5 V to ±15 V power supply range.
- Available in various packages including 8-Lead PDIP, CERDIP, SOIC, and 20-Terminal LCC.
Applications
- Professional video applications, including driving reverse-terminated 50 Ω or 75 Ω cables.
- High-speed data conversion, serving as an input buffer for 8-bit to 10-bit ADCs and as an output I/V converter for high-speed DACs.
- Multichannel high-speed data acquisition systems.
- General-purpose high-speed amplification where low noise and high bandwidth are required.
Q & A
- What is the typical slew rate of the AD829AR-REEL7?
The typical slew rate of the AD829AR-REEL7 is 230 V/µs.
- What is the gain bandwidth product of the AD829AR-REEL7?
The gain bandwidth product of the AD829AR-REEL7 is 750 MHz.
- What are the input voltage noise and input current noise of the AD829AR-REEL7?
The input voltage noise is 1.7 nV/√Hz, and the input current noise is 1.5 pA/√Hz.
- What is the typical quiescent current of the AD829AR-REEL7?
The typical quiescent current is 5 mA to 6.5 mA, depending on the supply voltage.
- What are the common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of the AD829AR-REEL7?
Both CMRR and PSRR are 120 dB.
- What are the typical differential gain and differential phase errors for video applications?
The differential gain error is 0.02%, and the differential phase error is 0.04° at the specified color subcarrier frequencies.
- What is the operating temperature range of the AD829AR-REEL7?
The operating temperature range varies by model: AD829J (0°C to 70°C), AD829A (−40°C to +125°C), and AD829S (−55°C to +125°C).
- What packages are available for the AD829AR-REEL7?
The AD829AR-REEL7 is available in 8-Lead PDIP, CERDIP, SOIC, and 20-Terminal LCC packages.
- Can the AD829AR-REEL7 be used in high-speed data conversion applications?
Yes, the AD829AR-REEL7 is suitable for high-speed data conversion, serving as an input buffer for ADCs and as an output I/V converter for DACs.
- What is the significance of the external compensation pin on the AD829AR-REEL7?
The external compensation pin allows for optimizing the bandwidth for a given load and power supply voltage, providing exceptional versatility.
