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Analog Devices Press Release - August 22, 2011

Analog Devices' 14-bit A/D Converters Meet Demanding Performance Requirements of Communications, Instrumentation and Test and Measurement Applications

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NORWOOD, Mass.--(BUSINESS WIRE)-- Analog Devices Inc. (ADI), a global leader in high-performance signal processing technology, released today new single and dual-channel 14-bit high-speed A/D converters. With high speed and high accuracy, the compact, cost-effective and functionally flexible components are effective for use in communications, instrumentation and test and measurement applications. The new converters meet the performance and small size requirements of the latest 3G and 4G multi-standard cellular infrastructure equipment such as CDMA2000, WB-CDMA, LTE, TD-SCDMA and multi-carrier GSM. Other applications include battery-powered, hand-held instruments, scopes and portable medical devices.

AD9648 Functional Block DiagramThe AD9648 is a low-power, high-speed, 14-bit dual A/D converter that consumes 102 mW/channel at 125 MSPS (mega samples per second) and features SFDR (spurious-free dynamic range) performance of 91 dBc at 70 MHz. With IF sampling frequencies up to 200 MHz, the AD9648 is a good choice for designers looking for a dual high-speed A/D converter to build multimode digital receivers. The AD9648 is pin compatible with many of ADI’s 16-, 14-, 12- and 10-bit A/D converters enabling an easy migration path between 10-bit and 16-bit converters sampling from 20 MSPS to 125 MSPS.

Also today, Analog Devices released the AD9642 14-bit A/D single-channel converter. With a 5 mm x 5 mm package size -- 30 percent smaller than competing products -- and IF sampling frequencies up to 350 MHz, the AD9642 saves board space and supports wide bandwidths up to 125MHz. It features an SNR (signal-to-noise ratio) of 72.2 dBFS and SFDR of 90 dBc at base band while consuming only 360 mW at 250 MSPS.

Download data sheets and order samples:

AD9648 14-bit dual A/D converter
AD9642 14-bit A/D converter

Questions? Get answers at ADI’s EngineerZone:

Find application notes and technical articles on communications topics:

The AD9648 and AD9642 A/D converters feature multi-stage, differential pipelined architectures with integrated output-error-correction logic. The AD9648 is available in a 64-lead RoHS-compliant LFCSP, while the AD9642 ships in a 32-lead RoHS-compliant LFCSP package. Both are specified over the industrial temperature range of -40°C to +85°C. The AD9648 has two external 14-bit outputs that can be set to 1.8-V CMOS or LVDS. The AD9642’s proprietary differential input maintains excellent SFDR performance for input frequencies up to 350 MHz.

AD9648 14-bit High-speed A/D Converter Key Features:
  • SNR = 74.5 dBFS at fIN up to 70 MHz at 125 MSPS
  • ENOB of 11.8 at fIN up to 70 MHz at 125 MSPS (−1.0 dBFS)
  • SFDR = −91 dBc at fIN up to 70 MHz at 125 MSPS (−1.0 dBFS)
  • Integrated input buffer
  • Excellent linearity
  • DNL = ±0.5 LSB typical
  • INL = ±1.0 LSB typical
  • 12-bit and 10-bit pin compatible devices include AD9628 and AD9608 high-speed A/D converters
AD9642 14-bit High-speed A/D Converter Key Features:
  • SNR = 70.9 dBFS at 200 MHz AIN and 250 MSPS
  • SFDR = 86 dBc at 200 MHz AIN and 250 MSPS
  • -152.0 dBFS/Hz input noise @ 200 MHz, -1dBFS AIN and 250 MSPS
  • Total power consumption: 360 mW @ 250 MSPS
  • 12-bit and 11-bit pin compatible devices include AD9634 high-speed A/D converter and the AD6672 IF receiver
Pricing and Availability

Analog Devices AD9648 Pricing & Availability

About Analog Devices
Acknowledged industry-wide as the world leader in data-conversion and signal-conditioning technologies, Analog Devices is a leading global manufacturer of high-performance integrated circuits used in analog and digital signal processing applications. The company serves over 60,000 customers, representing virtually all types of electronic equipment. 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.

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To subscribe to Analog Dialogue, ADI’s monthly technical journal, visit:

Analog Devices, Inc.
Colleen Cronin, 781-937-1622

Date Posted  8/22/2011

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