Differential Amplifier drives gigasample ADCs.June 9, 2010 -
Model ADA4960-1 is 5 GHz differential amplifier that drives high-speed ADCs with 10 bit linearity to 500 MHz and ADCs with 8 bit linearity up to 1 GHz. Consuming just 60 mA of quiescent current when operating up to 1 GHz, amplifier features a 8,700 V/µsec slew rate of AV=6 dB, 2 V pk-pk output. Along with settling time of 1 nsec to 1% and overdrive recovery of 10 nsec, ADA4960-1 features single resistor programmable gain of 0-18 dB and operates from 5 V supply.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Analog Devices, Inc.
1 Technology Way, P.O. Box 9106
Norwood, MA, 02062-9106
USA
5 GHz Differential Amplifier Drives Gigasample ADCs on Just 60 mA of Quiescent Current
ADI's ADA4960-1 differential amplifier is industry's first to drive 1-GHz data converter signals with 8-bit linearity
NORWOOD, Mass -- Analog Devices, Inc. (ADI), a world leader in high-performance signal processing and leading provider of amplifier and data conversion technologies, introduced today the industry's first 5-GHz differential amplifier able to drive ADC (analog-to-digital converter) signals from DC to 1 GHz at half the power of competing products. The ADA4960-1 differential amplifier is a high-performance, low-distortion, ultra-high-speed differential amplifier effective for a wide variety of high-speed ADCs with 10-bit linearity to 500 MHz and 8-bit linearity up to 1 GHz. The ADA4960-1 differential amplifier can drive a wide variety of ADCs, such as Analog Devices' AD9626 12-bit ADC and the AD9211 10-bit ADC.
The ADA4960-1 differential amplifier (data sheet) consumes just 60 mA of quiescent current when operating up to 1 GHz. The amplifier features a 8,700 V/µs (volts per microsecond) slew rate (AV = 6 dB, 2-V step) and wideband, low-distortion performance for frequencies up to and beyond 1 GHz, which make it effective for RF (radio frequency) and IF (immediate frequency) wired communications applications in industrial and instrumentation, defense electronics and aerospace designs. The user accessible gain adjust and bandwidth extension features allow configuration of the ADA4960-1 for line driver and channel equalization applications.
For more information, visit http://www.analog.com/pr/ADA4960-1. For information on ADI's differential amplifier design tool, visit http://www.analog.com/pr/ADIsimDiffAmp.
ADA4960-1 Differential Amplifier Key Features and Benefits
−3 dB bandwidth of 5 GHz (AV = 6 dB)
Single resistor programmable gain: 0 dB to 18 dB
Differential or single-ended input to differential output
Low harmonic distortion (HD2/HD3 @ AV = 6 dB)
◦−88/−69 dBc @ 250 MHz
◦−77/−66 dBc @ 500 MHz
◦−73/−72 dBc @ 1 GHz
−63 dBc IMD3 @ 1 GHz
Slew rate: 8,700 V/µs (AV = 6 dB, 2-V pk-pk output)
Fast settling time of 1 ns to 1% and overdrive recovery of 10 ns.
5-V single-supply operation
0.1 gain flatness to 300 MHz
Availability and Pricing
Product Availability Temperature Range Price Each Per 1,000 Packaging
ADA4960-1 NOW -40°C - +105°C $6.99 3 mm x 3 mm
16-Lead LFSCP
o For data sheet: http://www.analog.com/pr/ADA4960-1_data-sheet.
o For more amplifier product information: http://www.analog.com/Amplifiers_and_....
About Analog Devices
Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged industry-wide as the world leader in data-conversion and signal-conditioning technologies, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits used in analog and digital signal processing applications, Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices' common stock is listed on the New York Stock Exchange under the ticker "ADI" and is included in the S&P 500 Index. http://www.analog.com
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