LTC1658 14-Bit Rail-to-Rail Micropower DAC in MSOP DESCRIPTION FEATURES n 14-Bit Resolution The LTC 1658 is a single supply, rail-to-rail voltage out- n 8-Lead MSOP Package put, 14-bit digital-to-analog converter (DAC) in an 8-lead n Buffered True Rail-to-Rail Voltage Output MSOP package. It includes an output buffer amplifier and n 3V or 5V Single Supply Operation an easy-to-use 3-wire cascadable serial interface. n Very Low Power: I = 270A CC(TYP) The LTC1658 output swings from 0V to V . The REF pin REF n Power-On Reset can be tied to V for rail-to-rail output swing. The LTC1658 CC n 3-Wire Cascadable Serial Interface is Compatible operates from a single 2.7V to 5.5V supply. The typical TM with SPI and MICROWIRE power supply current is 270A. n Maximum DNL Error: 1LSB n The low power supply current makes the LTC1658 ideal Low Cost for battery-powered applications. The space saving MSOP U provides the smallest 14-bit DAC system available. APPLICATIONS , LTC and LT are registered trademarks of Linear Technology Corporation. MICROWIRE is a trademark of National Semiconductor Corporation. n Digital Calibration n Industrial Process Control n Automatic Test Equipment n Cellular Telephones TYPICAL APPLICATION Functional Block Diagram: 14-Bit Rail-to-Rail DAC Differential Nonlinearity vs Input Code 2.7V TO 5.5V 86 1.0 V REF CC 0.8 2 D IN + 0.6 V OUT RAIL-TO-RAIL 7 1 CLK 16-BIT 14 VOLTAGE 0.4 P SHIFT OUTPUT 14-BIT 0.2 3 CS/LD REG DAC AND 0 DAC LATCH 0.2 4D 0.4 OUT 0.6 POWER-ON TO 0.8 RESET OTHER DACS 1.0 GND 1658 TA01 0 4096 8192 12288 16383 5 CODE 1658 TA02 1 DNL ERROR (LSB) U ULTC1658 ABSOLUTE MAXIMUM RATINGS (Note 1) V to GND .............................................. 0.5V to 7.5V Operating Temperature Range CC TTL Input Voltage .................................... 0.5V to 7.5V Commercial ............................................ 0C to 70C V ..........................................................0.5V to 7.5V Industrial ............................................. 40C to 85C REF V ........................................... 0.5V to (V + 0.5V) Storage Temperature Range ................ 65C to 150C OUT CC Junction Temperature.......................... 65C to 125C Lead Temperature (Soldering, 10 sec)................. 300C PACKAGE/ORDER I FOR ATIO ORDER PART ORDER PART TOP VIEW NUMBER NUMBER TOP VIEW CLK 1 8 V CC LTC1658CMS8 LTC1658CN8 CLK 1 8 V CC V D 2 7 IN OUT D 2 7 V IN OUT LTC1658IMS8 LTC1658IN8 CS/LD 3 6 REF CS/LD 3 6 REF LTC1658CS8 D 4 5 GND OUT D 4 5 GND OUT LTC1658IS8 MS8 PACKAGE MS8 PART MARKING 8-LEAD PLASTIC MSOP N8 PACKAGE S8 PACKAGE 8-LEAD PDIP 8-LEAD PLASTIC SO S8 PART MARKING T = 150C, = 250C/W JMAX JA LTCW T = 125C, = 100C/W(N8) JMAX JA T = 125C, = 150C/W(S8) 1658 JMAX JA LTFW 1658I Consult factory for Military grade parts. ELECTRICAL CHARACTERISTICS V = 2.7V to 5.5V, V unloaded, REF V , T = T to T , unless otherwise noted. CC OUT CC A MIN MAX SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS DAC Resolution l 14 Bits Monotonicity l 14 Bits DNL Differential Nonlinearity V V 0.1V (Note 2) l 1.0 LSB REF CC INL Integral Nonlinearity V V 0.1V (Note 2) l 8.0 LSB REF CC Zero Scale Error T = 25C, N8 and S8 Package 1.5 mV A = T to T , N8 and S8 Package l 4.0 mV T A MIN MAX T = T to T , MSOP Package l 7.0 mV A MIN MAX Offset Error T = 25C, N8 and S8 Package, (Note 7) 1.5 mV A T = T to T , N8 and S8 Package, (Note 7) l 4.0 mV A MIN MAX T = T to T , MSOP Package, (Note 7) l 7.0 mV A MIN MAX V TC Offset Error Temperature 5 V/C OS Coefficient Gain Error l 20 LSB Gain Error Drift 2.5 ppm/C Power Supply V Positive Supply Voltage For Specified Performance l 2.7 5.5 V CC I Supply Current 2.7V V 5.5V (Note 4) l 270 550 A CC CC Op Amp DC Performance Short-Circuit Current Low V Shorted to GND l 55 120 mA OUT Short-Circuit Current High V Shorted to V l 55 120 mA OUT CC 2 U WU U WWW