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AD8320-EB

Serial Digital Controlled Variable Gain Line Driver

DESCRIPTION TheAD8320isadigitallycontrolledvariablegainamplifieroptimizedforcoaxiallinedrivingapplications.An8-bitserialworddeterminesthedesiredoutputgainovera36dBrange(256gainlevels).TheAD8320provideslineargainresponse. TheAD8320ismadeupofadigital

AD8320-EB

Serial Digital Controlled Variable Gain Line Driver; ? 8-Bit Serial Gain Control\n???? V/V/LSB Linear Gain Response\n? 36 dB Gain Range\n???? ±0.20 dB Gain Accuracy\n? Upper Bandwidth: 150 MHz\n? 22 dBm 1 dB Compression Point (75 V)\n? Drives Low Distortion Signals into 75 V Load:\n???? –57 dBc SFDR at 42 MHz and 12 dBm Out\n???? –46 dBc SFDR at 42 MHz and 18 dBm Out\n? Single Supply Operation from 5 V to 12 V\n? Maintains 75 V Output Impedance Power-Up and Power-Down Condition\n? Supports SPI Input Control Standard;

DESCRIPTION\nThe AD8320 is a digitally controlled variable gain amplifier optimized for coaxial line driving applications. An 8-bit serial word determines the desired output gain over a 36 dB range (256 gain levels). The AD8320 provides linear gain response.\nThe AD8320 is made up of a digitally controlled variable at tenuator of 0 dB to –36 dB, which is preceded by a low noise, fixed gain buffer and followed by a low distortion high power amplifier. The AD8320 has a 220 ? input impedance and accepts a single-ended input signal with a specified analog input level of up to 0.310 V p-p. The output is specified for driving a 75 ? load, such as coaxial cable, although the AD8320 is capable of driving other loads. Distortion performance of –57 dBc is achieved with an output level up to 12 dBm (3.1 V p-p) at 42 MHz, while –46 dBc distortion is achieved with an output level up to 18 dBm (6.2 V p-p).FEATURES\n? 8-Bit Serial Gain Control\n???? V/V/LSB Linear Gain Response\n? 36 dB Gain Range\n???? ±0.20 dB Gain Accuracy\n? Upper Bandwidth: 150 MHz\n? 22 dBm 1 dB Compression Point (75 V)\n? Drives Low Distortion Signals into 75 V Load:\n???? –57 dBc SFDR at 42 MHz and 12 dBm Out\n???? –46 dBc SFDR at 42 MHz and 18 dBm Out\n? Single Supply Operation from 5 V to 12 V\n? Maintains 75 V Output Impedance Power-Up and Power-Down Condition\n? Supports SPI Input Control StandardAPPLICATIONS\n? Coaxial Cable Driver\n???? HFC Cable Telephony Systems\n???? HFC High Speed Data Modems\n???? Interactive Set-Top Boxes\n???? PC Plug-In Modems\n? Interfaces with AD9853 I2C Controlled Digital Modulator\n? High Performance Digitally Controlled Variable Gain Block

ADM8320

SupervisoryCircuitswithWatchdogandManualResetin5-LeadSOT-23

ADM8320

SupervisoryCircuitswithWatchdogandManualResetin5-LeadSOT-23

ADS8320

16-Bit,High-Speed,2.7Vto5VmicroPowerSamplingANALOG-TO-DIGITALCONVERTER