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LTC2607CDE-1 Datasheet(PDF) 1 Page - Linear Technology |
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LTC2607CDE-1 Datasheet(HTML) 1 Page - Linear Technology |
1 / 20 page 1 LTC2607/LTC2617/LTC2627 26071727f 16-/14-/12-Bit Dual Rail-to-Rail DACs with I2C Interface The LTC ®2607/LTC2617/LTC2627 are dual 16-, 14- and 12-bit, 2.7V to 5.5V rail-to-rail voltage output DACs in a 12-lead DFN package. They have built-in high perfor- mance output buffers and are guaranteed monotonic. These parts establish new board-density benchmarks for 16- and 14-bit DACs and advance performance standards for output drive and load regulation in single-supply, voltage-output DACs. The parts use a 2-wire, I2C compatible serial interface. The LTC2607/LTC2617/LTC2627 operate in both the standard mode (clock rate of 100kHz) and the fast mode (clock rate of 400kHz). An asynchronous DAC update pin (LDAC) is also included. The LTC2607/LTC2617/LTC2627 incorporate a power-on reset circuit. During power-up, the voltage outputs rise less than 10mV above zero scale; and after power-up, they stay at zero scale until a valid write and update take place. The power-on reset circuit resets the LTC2607-1/LTC2617-1/ LTC2627-1 to midscale. The voltage outputs stay at midscale until a valid write and update takes place. ■ Smallest Pin-Compatible Dual DACs: LTC2607: 16 Bits LTC2617: 14 Bits LTC2627: 12 Bits ■ Guaranteed Monotonic Over Temperature ■ 27 Selectable Addresses ■ 400kHz I2C TM Interface ■ Wide 2.7V to 5.5V Supply Range ■ Low Power Operation: 260 µA per DAC at 3V ■ Power Down to 1 µA, Max ■ High Rail-to-Rail Output Drive ( ±15mA, Min) ■ Ultralow Crosstalk (30 µV) ■ Double-Buffered Data Latches ■ Asynchronous DAC Update Pin ■ LTC2607/LTC2617/LTC2627: Power-On Reset to Zero Scale ■ LTC2607-1/LTC2617-1/LTC2627-1: Power-On Reset to Midscale ■ Tiny (3mm × 4mm) 12-Lead DFN Package ■ Mobile Communications ■ Process Control and Industrial Automation ■ Instrumentation ■ Automatic Test Equipment Differential Nonlinearity (LTC2607) APPLICATIO S FEATURES DESCRIPTIO BLOCK DIAGRA CODE 0 16384 32768 49152 65535 2607 G02 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 VCC = 5V VREF = 4.096V 9 8 11 10 5 6 2 1 4 3 2-WIRE INTERFACE CA0 CA1 LDAC SCL SDA REFLO GND REF VCC CA2 32-BIT SHIFT REGISTER INPUT REGISTER INPUT REGISTER DAC REGISTER DAC REGISTER 7 12-/14-/16-BIT DAC VOUTB 12 12-/14-/16-BIT DAC VOUTA 2607 BD , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5396245 and 6891433. Patent Pending |
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