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LTC1664IGN Datasheet(PDF) 1 Page - Linear Technology |
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LTC1664IGN Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page 1 LTC1664 DESCRIPTIO APPLICATIO S FEATURES Micropower Quad 10-Bit DAC The LTC ®1664 integrates four accurate, serially addres- sable 10-bit digital-to-analog converters (DACs) in a tiny 16-pin Narrow SSOP package. Each buffered DAC draws just 59 µA total supply current, yet is capable of supplying DC output currents in excess of 5mA and reliably driving capacitive loads of up to 1000pF. Sleep mode further reduces total supply current to 1 µA. Linear Technology’s proprietary, inherently monotonic voltage interpolation architecture provides excellent lin- earity while allowing for an exceptionally small external form factor. Ultralow supply current, power-saving Sleep mode and extremely compact size make the LTC1664 ideal for battery-powered applications, while its ease of use, high performance and wide supply range make it an excellent choice as a general-purpose converter. s Tiny: 4 DACs in the Board Space of an SO-8 s Micropower: 59 µA per DAC Plus 1 µA Sleep Mode for Extended Battery Life s Wide 2.7V to 5.5V Supply Range s Rail-to-Rail Voltage Outputs Drive 1000pF s Reference Range Includes Supply for Ratiometric 0V-to-VCC Output s Reference Input Impedance is Code-Independent —Eliminates External Reference Buffer s Individually Addressable DACs s Differential Nonlinearity: ≤ ±0.75LSB Max s Pin-Compatible Octal Version Available (LTC1660) s Mobile Communications s Remote Industrial Devices s Automatic Calibration for Manufacturing s Portable Battery-Powered Instruments s Trim/Adjust Applications 2 5 1 GND VOUT A VOUT B REF CS/LD SCK VCC VOUT D VOUT C CLR DOUT DIN 1664 BD 16 10-BIT DAC A 10-BIT DAC D 3 4 10-BIT DAC B 10-BIT DAC C 7 6 8 10 11 9 ADDRESS DECODER CONTROL LOGIC SHIFT REGISTER CODE 0 256 512 768 1023 1664 G08 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 Differential Nonlinearity (DNL) , LTC and LT are registered trademarks of Linear Technology Corporation. BLOCK DIAGRA |
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