LTC8143 Linear Technology Corporation, LTC8143 Datasheet
LTC8143
Available stocks
Related parts for LTC8143
LTC8143 Summary of contents
Page 1
... An easy-to-use serial interface includes an asynchronous CLEAR input for systems requiring initialization to a known state. The LTC8143 has a serial data output to allow daisy- chaining multiple DACs on a 3-wire interface bus. These DACs are extremely versatile. They can be used for ...
Page 2
... PSRR Power Supply Rejection Ratio RATINGS PACKAGE/ORDER OUT 1 + 0.5V DD OUT 2 + 0.5V DD AGND + 0.5V) DD STB1 + 0.5V) DD LD1 NC (LTC7543) SRO (LTC8143) STB2 T T Consult factory for Military grade parts. LTC7543 = unless otherwise specified. A MIN MAX MIN MIN MAX ...
Page 3
... Output Capacitance OUT Digital Inputs V Digital Input High Voltage IH V Digital Input Low Voltage IL I Digital Input Current IN C Digital Input Capacitance IN Digital Outputs: SRO (LTC8143 Only) V Digital Output High OH V Digital Output Low OL LTC8143 = unless otherwise specified. A MIN MAX MIN ...
Page 4
... Load Pulse Width LD1 LD2 t LSB Strobed into Input Register ASB to Load DAC Register Time t Clear Pulse Width CLR SRO Timing Characteristics (LTC8143 Only) t STB2, STB3, STB4 Strobe to SRO PD Propagation Delay t STB1 to SRO Propagation Delay PD1 Power Supply V Supply Voltage ...
Page 5
... DS1 t DS2 t DS3 t DS4 STROBE INPUT STB1, STB2, STB4 (INVERT FOR STB3) PREVIOUS SRI WORD LD1, LD2 BIT 1 (MSB) SRO PREVIOUS WORD (LTC8143 ONLY) 20k 20k 40k 40k 40k 40k DECODER BIT 1 BIT 2 BIT 3 BIT 4 CLR (MSB) DAC REGISTER LOAD CLK ...
Page 6
... Input Register Operation STB1 STB2 STB3 STB4 (LTC8143: SRO Operation Serial Data Bit on SRI Loaded into Input Register, MSB First (LTC8143: Data Bit or SRI Appears SRO Pin After 12 Clocked Bits Input Register Operation ...
Page 7
... AGND 3 Bipolar Offset Binary Code Table ANALOG OUTPUT V OUT LSB 1111 1111 V (2047/2048) REF 0000 0001 V (1/2048) REF 0000 0000 0V 1111 1111 – V (1/2048) REF 0000 0000 – V (2048/2048) = – V REF LTC7543/LTC8143 R2 20k R3 20k R1 10k – 1/2 V OUT LT 1112 + 7543/8143 TA04 REF 7 ...
Page 8
... LTC7543/LTC8143 PACKAGE DESCRIPTION 0.300 – 0.325 0.130 0.005 (7.620 – 8.255) (3.302 0.127) 0.015 (0.381) MIN 0.009 – 0.015 (0.229 – 0.381) +0.025 0.325 –0.015 0.125 +0.635 (3.175) 8.255 –0.381 MIN *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTURSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm). ...