The AD603AR is a low noise, voltage-controlled amplifier for use in RF and IF AGC systems. The AD603AR 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/ÖHz and power consumption is 125 mW at the recommended ±5 V supplies. The applications of the AD603AR include RF/IF AGC Amplifier, Video Gain Control, A/D Range Extension, Signal Measurement.
AD603AR absolute maximum ratings: (1)Supply Voltage ±VS: ±7.5 V; (2)Internal Voltage VINP (Pin 3): ±2 V Continuous, ±VS for 10 ms, GPOS, GNEG (Pins 1, 2): ±VS; (3)Internal Power Dissipation: 400 mW; (4)Operating Temperature Range: –40℃ to +85℃; (5)Storage Temperature Range: –65℃ to +150℃; (6)Lead Temperature Range (Soldering 60 sec): +300℃.
AD603AR features: (1)"Linear in dB" Gain Control; (2)Pin Programmable Gain Ranges: -1 dB to +31 dB with 90 MHz Bandwidth, +9 dB to +51 dB with 9 MHz Bandwidth; (3)Any Intermediate Range, e.g., -1 dB to +41 dB with 30 MHz Bandwidth; (4)Bandwidth Independent of Variable Gain; (5)1.3 nV√Hz Input Noise Spectral Density; (6)±0.5 dB Typical Gain Accuracy; (7)MIL-STD-883 Compliant and DESC Versions Available.
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