AD603AQ

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Series Information for AD603AQ - Analog Devices

Features

  • feature
    Linear-in-dB gain control Pin-programmable gain ranges u221211 dB to +31 dB with 90 MHz bandwidth 9 dB to 51 dB with 9 MHz bandwidth Any intermediate range, for example u22121 dB to +41 dB with 30 MHz bandwidth Bandwidth independent of variable gain 1.3 nV/u221aHz input noise spectral density u00b10.5 dB typical gain accuracy
AD603AQ image
Not RoHS Compliant

Description

IC VARIABLE GAIN AMP DIP8 603

The AD603 is a low noise, voltage-controlled amplifier for use in RF and IF AGC systems. It provides accurate, pin-selectable gains of −11 dB to +31 dB with a bandwidth of 90 MHz or +9 dB to 51+ dB with a bandwidth of 9 MHz. Any intermediate gain range may be arranged using one external resistor. The input referred noise spectral density is only 1.3 nV/√Hz, and power consumption is 125 mW at the recommended ±5 V supplies. The decibel gain is linear in dB, accurately calibrated, and stable over temperature and supply. The gain is controlled at a high impedance (50 MΩ), low bias (200 nA) differential input; the scaling is 25 mV/dB, requiring a gain control voltage of only 1 V to span the central 40 dB of the gain range. An overrange and underrange of 1 dB is provided whatever the selected range. The gain control response time is less than 1 μs for a 40 dB change. The differential gain control interface allows the use of either differential or single-ended positive or negative control voltages. Several of these amplifiers may be cascaded and their gain control gains offset to optimize the system SNR. The AD603 can drive a load impedance as low as 100 Ω with low distortion. For a 500 Ω load in shunt with 5 pF, the total harmonic distortion for a ±1 V sinusoidal output at 10 MHz is typically −60 dBc. The peak specified output is ±2.5 V minimum into a 500 Ω load. The AD603 uses a patented proprietary circuit topology—the X-AMP®. The X-AMP comprises a variable attenuator of 0 dB to −42.14 dB followed by a fixed-gain amplifier. Because of the attenuator, the amplifier never has to cope with large inputs and can use negative feedback to define its (fixed) gain and dynamic performance. The attenuator has an input resistance of 100 Ω, laser trimmed to ±3%, and comprises a 7-stage R-2R ladder network, resulting in an attenuation between tap points of 6.021 dB. A proprietary interpolation technique provides a continuous gain control function that is linear in dB. The AD603 is specified for operation from −40°C to +85°C.

Specifications

No. of Channels:
1Channels
No. of Amplifiers:
1 Amplifier, 1Amplifiers
Bandwidth:
90MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Supply Voltage Range:
± 4.75V to ± 6.3V
Amplifier Case Style:
DIP
No. of Pins:
8Pins
Product Range:
AD603 Series
Automotive Qualification Standard:
-
MSL:
-
SVHC:
No SVHC (07-Jul-2017)
Amplifer Supply Voltage:
± 4.75V to ± 6.3V
Base Number:
603
Device Marking:
AD603AQ
Gain Accuracy:
1.5dB
Gain Bandwidth:
90MHz
Gain dB Max:
31dB
IC Generic Number:
603
Logic Function Number:
603
Operating Temperature Range:
-40°C to +85°C
Supply Voltage Max:
6.3V
Supply Voltage Min:
4.75V
Termination Type:
Through Hole

Alternate Descriptions

RS Components
Low Noise Variable Gain Amplifier, CDIP8
Newark Electronics
IC, VARIABLE GAIN AMP, DIP8, 603; No. of Channels:1Channels; No. of Amplifiers:1 Amplifier; Bandwidth:90MHz; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Supply Voltage Range:± 4.75V to ± 6.3V; Amplifier Case RoHS Compliant: No
Richardson RFPD
AMPLIFIER - SPECIAL PURPOSE
RS Components UK
Low Noise Variable Gain Amplifier, CDIP8
RS Components DE
Spannungsgesteuerter Verstärker AD603AQ, 1 CDIP 8-Pin Stromversorgungs-Typ : Dual Versorgungsspannung bipolar typ. : ±5V Eingangswiderstand max. : 103Ω Montage-Typ : Durchsteckmontage Betriebstemperatur max. : +85 °C Abmessungen : 10.29 x 7.87 x 3.56mm Länge : 10.29mm Betriebstemperatur min. : –40 °C Breite : 7.87mm, Analog Devices
RS Components HK
Low Noise Variable Gain Amplifier, CDIP8
RS Components JP
Low Noise Variable Gain Amplifier, CDIP8
RS Components FR
Amplificateur à gain variable double
RS Components CN
Low Noise Variable Gain Amplifier, CDIP8
RS Components ES
Amp op doble ganancia variable,AD603AQ
RS Components NL
Dual variable gain op-amp,AD603AQ DIP8
RS Components NO
IC AD603AQ
RS Components US
Low Noise Variable Gain Amplifier, CDIP8
RS Components SG
Low Noise Variable Gain Amplifier, CDIP8
RS Components TW
Low Noise Variable Gain Amplifier, CDIP8