Overview
The AD829JR-REEL, produced by Analog Devices Inc., is a high-speed, low-noise operational amplifier (op amp) designed for various high-performance applications. Fabricated on Analog Devices' proprietary complementary bipolar (CB) process, this op amp offers PNP and NPN transistors with similar fTs of 600 MHz, ensuring high-speed operation and low noise characteristics. The AD829JR-REEL is particularly suited for professional video applications, high-speed data conversion, and other demanding environments where precision and speed are critical.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Slew Rate | 230 V/µs | V/µs |
| Gain Bandwidth | 750 MHz | MHz |
| Input Voltage Noise | 1.7 nV/√Hz | nV/√Hz |
| Input Offset Voltage | 1 mV (max) | mV |
| Common-Mode Rejection Ratio (CMRR) | 120 dB | dB |
| Power Supply Rejection Ratio (PSRR) | 120 dB | dB |
| Quiescent Current | 5.3 mA (typ) @ ±15 V | mA |
| Supply Voltage Range | ±4.5 V to ±18 V | V |
| Operating Temperature Range | 0°C to 70°C (AD829J), -40°C to +125°C (AD829A) | °C |
| Package Type | 8-Lead SOIC (R-8) |
Key Features
- High-speed operation with a gain bandwidth of 750 MHz and a slew rate of 230 V/µs.
- Low noise characteristics with an input voltage noise of 1.7 nV/√Hz.
- Excellent DC performance, including a minimum open-loop gain of 30 V/mV into loads as low as 500 Ω.
- Low input offset voltage of 1 mV maximum and low input bias current.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 120 dB each.
- Custom compensation via an external pin to optimize bandwidth for given load and power supply voltage.
- Ability to drive heavy capacitive loads and reverse-terminated 50 Ω or 75 Ω cables.
- Differential phase error of 0.04° and differential gain error of 0.02% at video subcarrier frequencies.
Applications
- Professional video applications, including driving reverse-terminated 50 Ω or 75 Ω cables.
- High-speed data conversion, such as serving as an input buffer for 8-bit to 10-bit ADCs and as an output I/V converter for high-speed DACs.
- High-speed signal processing and amplification in various industrial and medical devices.
- Audio and video equipment requiring low noise and high fidelity.
Q & A
- What is the slew rate of the AD829JR-REEL?
The slew rate of the AD829JR-REEL is 230 V/µs.
- What is the gain bandwidth of the AD829JR-REEL?
The gain bandwidth of the AD829JR-REEL is 750 MHz.
- What is the input voltage noise of the AD829JR-REEL?
The input voltage noise of the AD829JR-REEL is 1.7 nV/√Hz.
- What is the typical quiescent current of the AD829JR-REEL?
The typical quiescent current of the AD829JR-REEL is 5.3 mA at ±15 V supply voltage.
- What are the common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of the AD829JR-REEL?
Both CMRR and PSRR are 120 dB.
- What are the typical operating temperature ranges for the AD829JR-REEL?
The operating temperature ranges are 0°C to 70°C (AD829J) and -40°C to +125°C (AD829A).
- What package types are available for the AD829JR-REEL?
The AD829JR-REEL is available in an 8-Lead SOIC (R-8) package.
- Can the AD829JR-REEL drive heavy capacitive loads?
- What are some common applications of the AD829JR-REEL?
- How does the external compensation pin enhance the functionality of the AD829JR-REEL?
The external compensation pin allows for custom compensation to optimize the bandwidth for a given load and power supply voltage.
