Overview
The AD602ARZ-R7, produced by Analog Devices Inc., is a dual-channel, low noise, wideband variable gain amplifier. This component is part of the AD602 series, optimized for applications requiring precise gain control, low noise, and wide bandwidth. The AD602ARZ-R7 features a gain range of -10 dB to +30 dB, making it suitable for various high-performance applications such as ultrasound imaging, high-performance audio, and RF AGC systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Gain Range | -10 dB to +30 dB | dB |
| Input Noise Spectral Density | 1.4 nV/√Hz | nV/√Hz |
| Bandwidth | dc to 35 MHz (-3 dB) | Hz |
| Total Harmonic Distortion (THD) | -60 dBc | dBc |
| Signal-to-Noise Ratio (SNR) for 1 V rms output and 1 MHz noise bandwidth | 86 dB | dB |
| Output Voltage (into 100 Ω load) | ±1 V | V |
| Output Impedance | 2 Ω | Ω |
| Group Delay Change vs. Gain | ±2 ns | ns |
| Power Supply Range | ±4.75 V to ±5.25 V | V |
| Quiescent Current per Channel | 11 mA to 14 mA | mA |
| Operating Temperature Range | -40°C to +85°C (A Grade) | °C |
Key Features
- Low input noise spectral density of 1.4 nV/√Hz.
- Wide bandwidth from dc to 35 MHz (-3 dB), essentially independent of the gain setting.
- High signal-to-noise ratio (SNR) of 86 dB for a 1 V rms output and 1 MHz noise bandwidth.
- Low total harmonic distortion (THD) of -60 dBc.
- Stable group delay with a variation of less than ±2 ns over the full gain range.
- TTL- and CMOS-compatible logic inputs for signal gating.
- Low power consumption with a maximum of 125 mW per amplifier.
- MIL-STD-883-compliant and DESC versions available.
Applications
- Ultrasound imaging systems and sonar time-gain controls.
- High-performance audio systems.
- RF AGC (Automatic Gain Control) systems.
- Signal measurement and instrumentation.
Q & A
- What is the gain range of the AD602ARZ-R7?
The gain range of the AD602ARZ-R7 is -10 dB to +30 dB.
- What is the input noise spectral density of the AD602ARZ-R7?
The input noise spectral density is 1.4 nV/√Hz.
- What is the bandwidth of the AD602ARZ-R7?
The bandwidth is from dc to 35 MHz (-3 dB).
- What is the total harmonic distortion (THD) of the AD602ARZ-R7?
The THD is -60 dBc.
- What is the signal-to-noise ratio (SNR) for a 1 V rms output and 1 MHz noise bandwidth?
The SNR is 86 dB.
- What is the output voltage of the AD602ARZ-R7 into a 100 Ω load?
The output voltage is ±1 V.
- Is the AD602ARZ-R7 TTL- and CMOS-compatible?
- What is the power consumption of the AD602ARZ-R7 per amplifier?
The maximum power consumption is 125 mW per amplifier.
- What are the operating temperature ranges for the AD602ARZ-R7?
The operating temperature range is -40°C to +85°C (A Grade).
- Are MIL-STD-883-compliant and DESC versions of the AD602ARZ-R7 available?
