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12-bit A/D converters conserve board space

Sunnyvale, Calif. — Maxim Integrated Products Inc.'s 12-, 10-, and 8-bit family of
tiny, high-speed, analog-to-digital converters feature two true-differential inputs, 3 V or 5 V single-supply operation, and a SPI-/QSPI-/MICROWIRE -compatible interface.

The 3mm x 3mm footprint saves 85 percent board space — and 67mW power dissipation consumes 40 percent less power than the closest competitor, according to Maxim.

With a high conversion rate and dc accuracy of ±1 LSB INL, the ICs are suited for industrial process control and motor control to battery-powered wireless applications.

All six A/D converters all operate from either a 4.75- to 5.25-V, or 2.7 to 3.6-V single supply.

The MAX1336/MAX1337 (8-bit) have a 6.5 Megasamples/sec (maximum) sampling rate, while the MAX1334/MAX1335 (10-bit) have a 4.5 Msamples/s sampling rate, and the MAX1332/MAX1333 (12-bit) devices have a 4 Msamples/s (maximum) sampling rate.

The devices consume 12 mA at the maximum conversion rate and feature partial and full power-down modes that reduce the supply current to 3.3 mA and 0.2 μA, respectively. A separate DVDD pin allows direct interfacing to 1.8-V to 3.6-V digital logic.

The MAX1336/MAX1337, MAX1334/MAX1335, and MAX1332/MAX1333 are available in a 3mm x 3mm, 16-pin TQFN package in the extended (-40°C to +85°C) temperature range.

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Prices start at $1.85 (1000-up, FOB USA).Click here for the MAX1332/MAX1333 data sheet.Click here for the MAX1334/MAX1335 data sheet. Click here for the MAX1336/MAX1337 data sheet.

Maxim , 1-800-998-8800, www.Maxim-ic.com.

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