RAIL-TO-RAIL COMPARATORS ARE INDUSTRY'S FIRST TO INCLUDE LVDS OUTPUTS

ADCMP60x comparators can be coupled with high-speed FPGAs and provide full rail-to-rail performance from 2.5V to 5.5 V.
ADCMP60x

Norwood, MA (08/28/2006) - About the ADCMP60x Family
Analog Devices’ ADCMP60x family of rail-to-rail comparators is designed for applications that require high-speed, low power, rail-to-rail swing and high precision. The comparator family supports all prevailing digital output stages—including LVDS (low-voltage differential signaling), CML (current-mode logic) and TTL/CMOS (transistor-transistor-logic/complementary metal oxide semiconductor)—required by applications such as medical instruments, test and measurement, RF (radio frequency) and telecommunications equipment. The LVDS-compatible output stage, designed to drive any standard LVDS input, allows the ADCMP60x comparators to be coupled with FPGAs (field programmable gate arrays) and ASSPs (application-specific standard products) that feature high-speed inputs and achieve faster transition times.

The ADCMP60x family offers propagation delays ranging from 1 ns (nanosecond) to 35 ns with as little as 2.5 pico-second rms random jitter. The ADCMP60x comparators offer rail-to-rail performance that is fully specified from 2.5 V to 5.5 V. This is particularly beneficial at low voltages where previous generation fast rail-to-rail comparators experience dead zones at operating voltages below 2.7 V.

Split Input/Output Supplies
Isolating the input and output supplies is important because parasitic coupling from the output to the input can cause instability when overdrive conditions are low. Several members of the ADCMP60x family split the two supplies to provide a wide input signal range and reduce power consumption by as much as 50 percent compared to competitive offerings. High-speed latch and programmable hysteresis features are provided in a single-pin control option, producing balanced input-to-output delays and eliminating oscillation issues.

The ADCMP60x comparators work well in applications with Analog Devices’ family of DDS (direct digital synthesis) products to generate programmable high-speed, low-jitter clocks. They also complement ADI’s high-speed log amps, such as the AD8318, for amplifying low-level RF burst pulses.

Availability and Pricing
The ADCMP60x comparators are sampling now and will be available in full production quantities in September of 2006. Priced from $0.58 to $2.35 in 1,000-piece quantities, the comparators are available in SC-70 (small outline transistor plastic packages), SOT-23 (small outline transistor packages) and MSOP (mini small outline plastic packages) and LFCSP (lead-frame chip scale packages).

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 technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Celebrating 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.

Editor's Contact Information:

Charlotte Betterley
781/937-1710
781/937-1078
charlotte.betterley@analog.com

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