Overview
The AD829ARZ-REEL7, produced by Analog Devices Inc., is a high-speed, single operational amplifier (Op Amp) designed for precision amplification needs. This component is particularly versatile due to its external compensation pin, which allows for optimization of bandwidth based on the load and power supply voltage. It exhibits excellent DC performance, including a minimum open-loop gain of 30 V/mV into loads as low as 500 Ω, low input voltage noise of 1.7 nV/√Hz, and a low input offset voltage of 1 mV maximum. The AD829 is ideal for video applications, offering high speed, low noise, and excellent DC precision.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| GBP - Gain Bandwidth Product | 750 MHz | |
| 3 dB Bandwidth | 600 MHz (gain = -1) | |
| SR - Slew Rate | 230 V/μs | |
| Settling Time to 0.1% | 90 ns | |
| Vos - Input Offset Voltage | 1 mV | |
| CMRR - Common Mode Rejection Ratio | 120 dB | |
| en - Input Voltage Noise Density | 1.7 nV/√Hz | |
| Ib - Input Bias Current | 3.3 μA | |
| Minimum Operating Temperature | -55°C | |
| Maximum Operating Temperature | +125°C | |
| Package / Case | SOIC-8 | |
| Supply Type | Dual | |
| Minimum Dual Supply Voltage | ±4.5 V | |
| Maximum Dual Supply Voltage | ±18 V | |
| Quiescent Current | 5 mA (±5 V), 5.3 mA (±15 V) |
Key Features
- High Speed: 120 MHz bandwidth at gain = -1, 230 V/μs slew rate, and 90 ns settling time to 0.1%.
- Ideal for Video Applications: 0.02% differential gain, 0.04° differential phase.
- Low Noise: 1.7 nV/√Hz input voltage noise, 1.5 pA/√Hz input current noise.
- Excellent DC Precision: 1 mV maximum input offset voltage (over temperature), 0.3 μV/°C input offset drift.
- Flexible Operation: Specified for ±5 V to ±15 V operation, ±3 V output swing into a 150 Ω load, external compensation for gains 1 to 20.
- Low Power Consumption: 5 mA supply current.
Applications
The AD829ARZ-REEL7 is particularly suited for professional video applications, such as driving reverse-terminated 50 Ω or 75 Ω cables. Its high speed, low noise, and excellent DC precision make it ideal for various video signal processing tasks. Additionally, it can be used in other high-speed signal amplification applications where precision and low noise are critical.
Q & A
- What is the gain bandwidth product of the AD829ARZ-REEL7?
The gain bandwidth product of the AD829ARZ-REEL7 is 750 MHz.
- What is the slew rate of the AD829ARZ-REEL7?
The slew rate of the AD829ARZ-REEL7 is 230 V/μs.
- What is the input offset voltage of the AD829ARZ-REEL7?
The input offset voltage of the AD829ARZ-REEL7 is 1 mV maximum.
- What is the common-mode rejection ratio (CMRR) of the AD829ARZ-REEL7?
The CMRR of the AD829ARZ-REEL7 is 120 dB.
- What is the input voltage noise density of the AD829ARZ-REEL7?
The input voltage noise density of the AD829ARZ-REEL7 is 1.7 nV/√Hz.
- What are the operating supply voltage ranges for the AD829ARZ-REEL7?
The AD829ARZ-REEL7 operates over supply voltage ranges of ±4.5 V to ±18 V.
- What is the quiescent current of the AD829ARZ-REEL7?
The quiescent current of the AD829ARZ-REEL7 is 5 mA at ±5 V and 5.3 mA at ±15 V.
- What package type is the AD829ARZ-REEL7 available in?
The AD829ARZ-REEL7 is available in an SOIC-8 package.
- What are the typical applications of the AD829ARZ-REEL7?
The AD829ARZ-REEL7 is typically used in professional video applications and other high-speed signal amplification tasks where precision and low noise are critical.
- How does the external compensation pin of the AD829ARZ-REEL7 enhance its functionality?
The external compensation pin allows for optimization of the bandwidth for a given load and power supply voltage, and it can also be used to clamp the output.
