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LTC2626IDD Datasheet(PDF) 1 Page - Linear Technology |
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LTC2626IDD Datasheet(HTML) 1 Page - Linear Technology |
1 / 20 page 1 LTC2606/LTC2616/LTC2626 26061626f 16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface The LTC ®2606/LTC2616/LTC2626 are single 16-, 14- and 12-bit, 2.7V-to-5.5V rail-to-rail voltage output DACs in a 10-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 LTC2606/LTC2616/LTC2626 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 LTC2606/LTC2616/LTC2626 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 LTC2606-1/LTC2616-1/ LTC2626-1 to midscale. The voltage outputs stay at midscale until a valid write and update take place. ■ Smallest Pin-Compatible Single DACs: LTC2606: 16 Bits LTC2616: 14 Bits LTC2626: 12 Bits ■ Guaranteed 16-Bit Monotonic Over Temperature ■ 27 Selectable Addresses ■ 400kHz I2C TM Interface ■ Wide 2.7V to 5.5V Supply Range ■ Low Power Operation: 270µA at 3V ■ Power Down to 1µA, Max ■ High Rail-to-Rail Output Drive (±15mA, Min) ■ Double-Buffered Data Latches ■ Asynchronous DAC Update Pin ■ LTC2606/LTC2616/LTC2626: Power-On Reset to Zero Scale ■ LTC2606-1/LTC2616-1/LTC2626-1: Power-On Reset to Midscale ■ Tiny (3mm × 3mm) 10-Lead DFN Package ■ Mobile Communications ■ Process Control and Industrial Automation ■ Instrumentation ■ Automatic Test Equipment Differential Nonlinearity (LTC2606) APPLICATIO S FEATURES DESCRIPTIO BLOCK DIAGRA CODE 0 16384 32768 49152 65535 2606 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 7 10 4 5 1 DAC REGISTER INPUT REGISTER I2C INTERFACE 16-BIT DAC VOUT CONTROL LOGIC I2C ADDRESS DECODE LDAC SCL SDA CA0 CA1 CA2 2606 BD 8 GND 9 6 VCC REF 3 2 , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. |
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