Overview
The AD600JRZ, produced by Analog Devices Inc., is a dual, low noise, wideband variable gain amplifier. This component is part of the AD600 series, known for its high performance in various signal processing applications. The AD600JRZ is housed in a 16-lead SOIC package and is designed to operate over a wide range of temperatures, making it versatile for different environments.
The amplifier features TTL- and CMOS-compatible logic inputs, allowing for easy integration into digital systems. It is particularly suited for applications requiring precise gain control, low noise, and high bandwidth.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Resistance | Pin 2 to Pin 3; Pin 6 to Pin 7 | 95 | 100 | 105 | Ω |
| Input Capacitance | 2 | 2 | 2 | pF | |
| Input Noise Spectral Density | 1.4 | 1.4 | 1.4 | nV/√Hz | |
| −3 dB Bandwidth | VOUT = 100 mV rms | 35 | 35 | 35 | MHz |
| Slew Rate | 275 | 275 | 275 | V/μs | |
| Peak Output | RL ≥ 500 Ω | ±2.5 | ±3 | ±2.5 | V |
| Output Impedance | f ≤ 10 MHz | 2 | 2 | 2 | Ω |
| Group Delay Change vs. Gain | f = 3 MHz; full gain range | ±2 | ±2 | ±2 | ns |
| Total Harmonic Distortion | RL= 200 Ω, VOUT = ±1 V peak, RPD = 1 kΩ | −60 | −60 | −60 | dBc |
| Quiescent Current Each channel | 11 | 12.5 | 14 | mA | |
| Operating Temperature Range | J Grade | 0°C | 70°C |
Key Features
- Low Noise and High Bandwidth: The AD600JRZ offers a −3 dB bandwidth of 35 MHz, which is essentially independent of the gain setting, and a low input noise spectral density of 1.4 nV/√Hz.
- Variable Gain Control: The amplifier provides a gain range from 0 dB to 40 dB for the AD600 and up to 31.07 dB for the AD602, controlled by an external voltage.
- TTL- and CMOS-Compatible Logic Inputs: Easy integration with digital systems due to compatible logic inputs.
- High Accuracy and Stability: The group delay varies by less than ±2 ns over the full gain range and frequency range, ensuring stable and accurate signal processing.
- Low Distortion Output: Capable of driving 100 Ω load impedances with low distortion, with a peak output of ±2.5 V minimum into a 500 Ω load.
Applications
- Medical Imaging and Diagnostic Equipment: The high bandwidth and low noise characteristics make it suitable for medical imaging applications such as ultrasound and MRI.
- Aerospace and Defense Systems: The component's robust performance over a wide temperature range and its ability to handle high-frequency signals make it ideal for aerospace and defense applications.
- Industrial Automation and Control Systems: Used in various industrial control systems where precise signal amplification and low noise are critical.
- Audio and Video Equipment: Suitable for professional audio and video equipment due to its high fidelity and low distortion output.
Q & A
- What is the maximum gain of the AD600JRZ?
The maximum gain of the AD600 is 41.07 dB, and for the AD602, it is 31.07 dB.
- What is the bandwidth of the AD600JRZ?
The −3 dB bandwidth of the AD600JRZ is nominally 35 MHz, which is essentially independent of the gain setting.
- What is the input noise spectral density of the AD600JRZ?
The input noise spectral density is typically 1.4 nV/√Hz.
- What are the operating temperature ranges for the AD600JRZ?
The operating temperature range for the J Grade is 0°C to 70°C, and for the A Grade, it is −40°C to +85°C. The S Grade operates from −55°C to +125°C.
- What is the quiescent current of the AD600JRZ?
The quiescent current for each channel is typically 11 mA to 14 mA.
- Can the AD600JRZ drive low impedance loads?
Yes, the AD600JRZ can drive 100 Ω load impedances with low distortion.
- What is the slew rate of the AD600JRZ?
The slew rate is 275 V/μs.
- Is the AD600JRZ compatible with TTL and CMOS logic?
Yes, the AD600JRZ has TTL- and CMOS-compatible logic inputs.
- What is the total harmonic distortion of the AD600JRZ?
The total harmonic distortion is typically −60 dBc for RL = 200 Ω and VOUT = ±1 V peak.
- What package types are available for the AD600JRZ?
The AD600JRZ is available in a 16-lead SOIC package.
