Overview
The AD602JRZ-R7, produced by Analog Devices Inc., is a dual, low noise, wideband variable gain amplifier. This component is part of the AD602 series, which is designed to provide precise gain control, low noise, and wide bandwidth. The AD602 is particularly noted for its improved signal-to-noise ratio (SNR) compared to the AD600, making it suitable for applications requiring high signal integrity.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Gain Range | -10 | +30 | dB | ||
| 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 |
| Supply Voltage | ±4.75 | ±5.25 | V | ||
| Quiescent Current | Each channel | 11 | 12.5 | 14 | mA |
| Operating Temperature Range | 0°C | 70°C | °C |
Key Features
- Variable Gain Control: The AD602 provides a gain range of -10 dB to +30 dB, with the gain being directly proportional to the control voltage and stable over supply and temperature variations.
- Low Noise and Distortion: The amplifier features a low input noise spectral density of 1.4 nV/√Hz and a high signal-to-noise ratio (SNR), typically 86 dB for a 1 V rms output and a 1 MHz noise bandwidth.
- Wide Bandwidth: The -3 dB bandwidth is nominally 35 MHz, independent of the gain setting.
- High Speed and Low Distortion: The amplifier has a slew rate of 275 V/μs and can drive 100 Ω load impedances with low distortion.
- TTL- and CMOS-Compatible Logic Inputs: The signal gating interface is compatible with both TTL and CMOS logic levels.
- Compact Packaging: Available in a 16-lead SOIC package, making it suitable for space-constrained applications.
Applications
The AD602 is applicable in various scenarios requiring precise gain control, low noise, and wide bandwidth. Some typical applications include:
- Medical imaging and diagnostic equipment
- Audio and video signal processing
- Test and measurement instruments
- Communication systems, such as radio and radar
- Industrial control and automation systems
Q & A
- What is the gain range of the AD602?
The AD602 provides a gain range of -10 dB to +30 dB.
- What is the input noise spectral density of the AD602?
The input noise spectral density is 1.4 nV/√Hz.
- What is the -3 dB bandwidth of the AD602?
The -3 dB bandwidth is nominally 35 MHz.
- What is the slew rate of the AD602?
The slew rate is 275 V/μs.
- What is the typical signal-to-noise ratio (SNR) of the AD602?
The typical SNR is 86 dB for a 1 V rms output and a 1 MHz noise bandwidth.
- What are the supply voltage and quiescent current specifications for the AD602?
The supply voltage range is ±4.75 V to ±5.25 V, and the quiescent current per channel is typically 11 mA to 14 mA.
- Is the AD602 compatible with TTL and CMOS logic levels?
Yes, the AD602 is compatible with both TTL and CMOS logic levels.
- What is the operating temperature range for the AD602?
The operating temperature range is 0°C to 70°C.
- What type of packaging is available for the AD602?
The AD602 is available in a 16-lead SOIC package.
- What are some common applications for the AD602?
Common applications include medical imaging, audio and video signal processing, test and measurement instruments, communication systems, and industrial control and automation systems.
