Overview
The AD600JN, produced by Analog Devices Inc., is a dual-channel, low noise, wideband variable gain amplifier. This component is part of the AD600 series, which is optimized for use in ultrasound imaging systems but is also applicable to any application requiring precise gain, low noise, low distortion, and wide bandwidth. Each independent channel of the AD600 provides a gain range of 0 dB to +40 dB, making it suitable for a variety of high-performance applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Gain Range | 0 | - | 40 | dB |
| Input Noise Spectral Density | - | 1.4 | - | nV/√Hz |
| Total Harmonic Distortion (THD) | - | -60 | - | dBc |
| -3 dB Bandwidth | - | 35 | - | MHz |
| Slew Rate | - | 275 | - | V/μs |
| Output Impedance (f ≤ 10 MHz) | - | 2 | - | Ω |
| Group Delay Change vs. Gain | - | ±2 | - | ns |
| Power Supply Range | ±4.75 | - | ±5.25 | V |
| Quiescent Current per Channel | 11 | - | 14 | mA |
| Operating Temperature Range | 0 | - | 70 | °C |
Key Features
- Low Noise and Distortion: The AD600 features a low input noise spectral density of 1.4 nV/√Hz and a total harmonic distortion of -60 dBc at ±1 V output.
- Wide Bandwidth: The amplifier has a -3 dB bandwidth of 35 MHz, making it suitable for high-frequency applications.
- Precise Gain Control: The gain is directly proportional to the control voltage, with a scale factor of 32 dB/V, and is accurately calibrated and stable over supply and temperature variations.
- Signal Gating: Each channel has an independent gating facility that can block signal transmission and set the DC output level to within a few millivolts of the output ground.
- High Speed and Low Power: The amplifier has a fast response time of less than 1 µs and a low power consumption of 125 mW per channel.
- Multiple Package Options: Available in 16-lead PDIP, SOIC, and CERDIP packages, with various temperature ranges including MIL-STD-883 compliant versions.
Applications
- Ultrasound Imaging Systems: Optimized for use in ultrasound imaging systems, the AD600 provides the necessary precision and performance for high-quality imaging.
- High Performance Audio and RF AGC Systems: Suitable for applications requiring precise gain control, low noise, and low distortion in audio and RF systems.
- Signal Measurement: Used in various signal measurement applications where accurate gain and low noise are critical.
- High-Speed ADC Drivers: Capable of driving high-speed ADCs with low distortion and high signal integrity.
Q & A
- What is the gain range of the AD600JN?
The gain range of the AD600JN is from 0 dB to +40 dB.
- What is the input noise spectral density of the AD600JN?
The input noise spectral density is 1.4 nV/√Hz.
- What is the -3 dB bandwidth of the AD600JN?
The -3 dB bandwidth is 35 MHz.
- Does the AD600JN have a signal gating feature?
Yes, each channel has an independent gating facility that can block signal transmission.
- What is the power consumption per channel of the AD600JN?
The power consumption per channel is 125 mW maximum.
- What are the operating temperature ranges for the AD600JN?
The operating temperature range is from 0°C to 70°C.
- Is the AD600JN available in different package options?
Yes, it is available in 16-lead PDIP, SOIC, and CERDIP packages.
- What is the total harmonic distortion (THD) of the AD600JN?
The total harmonic distortion is typically -60 dBc at ±1 V output.
- Is the AD600JN MIL-STD-883 compliant?
Yes, certain versions of the AD600 (e.g., AD600S) are MIL-STD-883 compliant.
- What is the slew rate of the AD600JN?
The slew rate is 275 V/μs.
