AD602JR
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Analog Devices Inc. AD602JR

Manufacturer No:
AD602JR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC VARIABLE GAIN 2 CIRC 16SOIC
Delivery:
Payment:
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Product Introduction

Overview

The AD602JR, produced by Analog Devices Inc., is a dual-channel, low noise, wideband variable gain amplifier. This component is optimized for applications requiring precise gain, low noise, and wide bandwidth, particularly in ultrasound imaging systems, but it is also suitable for other high-performance applications such as audio and RF AGC systems.

The AD602JR features a gain range of –10 dB to +30 dB, with an input noise spectral density of 1.4 nV/√Hz. The gain is directly proportional to the control voltage and is accurately calibrated and stable over supply and temperature variations. The amplifier uses a proprietary X-AMP® circuit to achieve its performance objectives.

Key Specifications

Parameter Min Typ Max Unit
Gain Range -10 dB - +30 dB dB
Input Noise Spectral Density 1.4 1.4 1.4 nV/√Hz
Bandwidth (-3 dB) - 35 MHz - MHz
Signal-to-Noise Ratio (SNR) at 1 V rms output and 1 MHz noise bandwidth - 86 dB - dB
Input Resistance 95 100 105 Ω
Quiescent Current per Channel 11 12.5 14 mA
Operating Temperature Range (J Grade) 0°C - 70°C °C
Supply Voltage Range ±4.75 V - ±5.25 V V

Key Features

  • Dual-channel, low noise, wideband variable gain amplifier with a gain range of –10 dB to +30 dB.
  • Low input noise spectral density of 1.4 nV/√Hz.
  • High bandwidth of dc to 35 MHz (-3 dB), essentially independent of the gain.
  • Accurate and stable gain control, with the gain directly proportional to the control voltage.
  • Signal gating function for each amplifier, allowing for the blocking of signal transmission and setting the dc output level to within a few millivolts of the output ground.
  • TTL- and CMOS-compatible gating control input.
  • Low distortion: -60 dBc THD at ±1 V output.
  • Ability to drive 100 Ω load impedances with low distortion.
  • 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 processing.

Q & A

  1. What is the gain range of the AD602JR?

    The gain range of the AD602JR is –10 dB to +30 dB.

  2. What is the input noise spectral density of the AD602JR?

    The input noise spectral density is 1.4 nV/√Hz.

  3. What is the bandwidth of the AD602JR?

    The bandwidth is dc to 35 MHz (-3 dB).

  4. Is the gain control of the AD602JR stable over temperature and supply variations?
  5. What is the signal-to-noise ratio (SNR) of the AD602JR?

    The SNR for a 1 V rms output and a 1 MHz noise bandwidth is typically 86 dB.

  6. Can the AD602JR drive high load impedances?
  7. Is the AD602JR compatible with TTL and CMOS logic?
  8. What are the operating temperature ranges for the AD602JR?

    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.

  9. What are some common applications of the AD602JR?
  10. Is the AD602JR MIL-STD-883 compliant?

Product Attributes

Amplifier Type:Variable Gain
Number of Circuits:2
Output Type:- 
Slew Rate:275V/µs
Gain Bandwidth Product:- 
-3db Bandwidth:35 MHz
Current - Input Bias:350 nA
Voltage - Input Offset:- 
Current - Supply:11mA (x2 Channels)
Current - Output / Channel:50 mA
Voltage - Supply Span (Min):9.5 V
Voltage - Supply Span (Max):10.5 V
Operating Temperature:0°C ~ 70°C
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:16-SOIC
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Similar Products

Part Number AD602JR AD602JRZ AD606JR AD600JR AD602AR AD602JN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete
Amplifier Type Variable Gain Variable Gain Logarithmic Variable Gain Variable Gain Variable Gain
Number of Circuits 2 2 1 2 2 2
Output Type - - Differential - - -
Slew Rate 275V/µs 275V/µs - 275V/µs 275V/µs 275V/µs
Gain Bandwidth Product - - - - - -
-3db Bandwidth 35 MHz 35 MHz - 35 MHz 35 MHz 35 MHz
Current - Input Bias 350 nA 350 nA 4 µA 350 nA 350 nA 350 nA
Voltage - Input Offset - - - - - -
Current - Supply 11mA (x2 Channels) 11mA (x2 Channels) 13mA 11mA (x2 Channels) 11mA (x2 Channels) 11mA (x2 Channels)
Current - Output / Channel 50 mA 50 mA 1.2 mA 50 mA 50 mA 50 mA
Voltage - Supply Span (Min) 9.5 V 9.5 V 4.5 V 9.5 V 9.5 V 9.5 V
Voltage - Supply Span (Max) 10.5 V 10.5 V 5.5 V 10.5 V 10.5 V 10.5 V
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C -40°C ~ 85°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Through Hole
Package / Case 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-SOIC 16-SOIC 16-SOIC 16-SOIC 16-SOIC 16-PDIP

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