With distortion levels 10 dB lower than comparable differential drivers, the ADA4937-1 and ADA4938-1 drive a/d converters from dc to 100 MHz. The ADA4937-1 delivers 16-bit performance up to 40 MHz, 14-bit performance up to 70 MHz, and 12-bit performance up to 100 MHz. Operating from a single 3V to 5V supply, the device specifies distortion figures of -120/-102 dBc at 10 MHz, -98/-100 dBc at 40 MHz, and -84/-90 dBc at 70 MHz. The ADA4938-1, working over a 5V to 10V supply range, sports distortion figures of -112/-108 dBc at 10 MHz, -96/-93 dBc at 30 MHz, and -79/-81 dBc at 50 MHz in dual-supply applications. Additionally, both devices feature a common-mode feedback architecture. Sampling now with production set for April, price for either device is $3.79 each/1,000. ANALOG DEVICES INC., Wilmington, MA. (800) 262-5643.
Company: ANALOG DEVICES INC.
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