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AD603ARZ-REEL Datasheet PDF - ADI
Manufacturer: | ADI |
Category: | Amplifiers,Buffers |
Case Package: | SOIC |
Description: | IC OPAMP VGA 90MHz 8SOIC |
Documentation: | AD603ARZ-REEL Datasheet (24 Pages) |
Pictures: |
AD603ARZ-REEL Datasheet PDF
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AD603ARZ-REEL Specifications
TYPE | DESCRIPTION |
---|---|
Mounting Style | Surface Mount |
Number of Pins | 8 Pin |
Case/Package | SOIC |
Supply Current | 20.0 mA |
Number of Circuits | 1 Circuit |
Number of Channels | 1 Channel |
Slew Rate | 275 V/μs |
AD603ARZ-REEL Size & Package
TYPE | DESCRIPTION |
---|---|
Product Lifecycle Status | Active |
Packaging | Tape, Tape & Reel (TR) |
AD603ARZ-REEL Environmental
AD603ARZ-REEL Function Overview
Product Details
●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.
●Applications
● RF/IF AGC amplifiers
● Video gain controls
● A/D range extensions
● Signal measurements
●### Features and Benefits
● Linear-in-dB gain control
● Pin-programmable gain ranges
●−11 dB to +31 dB with 90 MHz bandwidth
●9 dB to 51 dB with 9 MHz bandwidth
● Any intermediate range, for example −1 dB to +41 dB with 30 MHz bandwidth
● Bandwidth independent of variable gain
● 1.3 nV/√Hz input noise spectral density
● ±0.5 dB typical gain accuracy
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AD603ARZ-REEL Documents
AD603 Documents
ADI
Programmable/Variable Amplifier, 1Channels, 1 Amplifier, 90MHz, -40℃, 85℃, ± 4.75V to ± 6.3V
ADI
Programmable/Variable Amplifier, 1Channels, 1 Amplifier, 90MHz, -40℃, 85℃, ± 4.75V to ± 6.3V
ADI
ANALOG DEVICES AD603ARZ-REEL7 Programmable/Variable Amplifier, 1Channels, 1 Amplifier, 90MHz, -40℃, 85℃, ± 4.75V to ± 6.3V
ADI
ANALOG DEVICES AD603-EVALZ Evaluation Board, Low Noise, 90MHz Variable Gain Amplifier
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