LTC1664
LTC1664 is Micropower Quad 10-Bit DAC manufactured by Linear Technology.
Features n Tiny: 4 DACs in the Board Space of an SO-8 n Micropower: 59µA per DAC Plus
1µA Sleep Mode for Extended Battery Life n Wide 2.7V to 5.5V Supply Range n Rail-to-Rail Voltage Outputs Drive 1000p F n Reference Range Includes Supply for Ratiometric
0V to VCC Output n Reference Input Impedance is Code-Independent
- Eliminates External Reference Buffer n Individually Addressable DACs n Differential Nonlinearity: ≤ ±0.75LSB Max n Pin-patible Octal Version Available (LTC1660)
Applications n Mobile munications n Remote Industrial Devices n Automatic Calibration for Manufacturing n Portable Battery-Powered Instruments n Trim/Adjust Applications
LTC1664 Micropower Quad
10-Bit DAC
Description
The LTC®1664 integrates four accurate, serially addressable 10-bit digital-to-analog converters (DACs) in a tiny 16-pin narrow SSOP package. Each buffered DAC draws just 59µA total supply current, yet is capable of supplying DC output currents in excess of 5m A and reliably driving capacitive loads of up to 1000p F. Sleep mode further reduces total supply current to 1µA. Linear Technology’s proprietary, inherently monotonic voltage interpolation architecture provides excellent linearity while allowing for an exceptionally small external form factor. Ultralow supply current, power-saving sleep mode and extremely pact 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.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
Block Diagram
GND 1 VOUT A 2
10-BIT DAC A
VOUT B 3
10-BIT DAC B
10-BIT DAC D 10-BIT DAC C
REF 6 CS/LD 7
SCK 8
CONTROL LOGIC
ADDRESS DECODER
SHIFT REGISTER
16 VCC 5 VOUT D
4 VOUT C
11 CLR 10 DOUT 9 DIN
1664 BD
Differential Nonlinearity (DNL)
VCC = 5V VREF =...
