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LTC1660CN Datasheet(PDF) 1 Page - Linear Technology |
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LTC1660CN Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page 1 LTC1665/LTC1660 Micropower Octal 8-Bit and 10-Bit DACs The 8-bit LTC ®1665 and 10-bit LTC1660 integrate eight accurate, serially addressable digital-to-analog convert- ers (DACs) in tiny 16-pin narrow SSOP packages. Each buffered DAC draws just 56 µA total supply current, yet is capable of supplying DC output currents in excess of 5mA and reliably driving capacitive loads 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 LTC1665 and LTC1660 ideal for battery-powered applications, while their ease of use, high performance and wide supply range make them excellent choices as general purpose converters. s Tiny: 8 DACs in the Board Space of an SO-8 s Micropower: 56 µA per DAC Plus 1 µA Sleep Mode for Extended Battery Life s Pin Compatible 8-Bit LTC1665 and 10-Bit LTC1660 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 Constant— Eliminates External Buffer s Mobile Communications s Remote Industrial Devices s Automatic Calibration for Manufacturing s Portable Battery-Powered Instruments s Trim/Adjust Applications LTC1665 Differential Nonlinearity (DNL) FEATURES DESCRIPTIO APPLICATIO S BLOCK DIAGRA 2 15 1 GND VOUT A VOUT B VOUT C VOUT D REF CS/LD SCK VCC VOUT H VOUT G VOUT F VOUT E CLR DOUT DIN 1665/60 BD 16 DAC A DAC H 3 14 DAC B DAC G 4 13 DAC C DAC F 5 7 6 8 10 11 9 12 DAC D DAC E ADDRESS DECODER CONTROL LOGIC SHIFT REGISTER CODE 0 64 128 192 255 1665/60 G09 0.5 0.4 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0.5 VCC = 5V VREF = 4.096V CODE 0 256 512 768 1023 1665/60 G13 1 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1 VCC = 5V VREF = 4.096V LTC1660 Differential Nonlinearity (DNL) , LTC and LT are registered trademarks of Linear Technology Corporation. |
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