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DS4432 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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DS4432 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 9 page Dual-Channel, I2C, 7-Bit Sink/Source Current DAC 4 _______________________________________________________________________________________ Pin Description NAME PIN FUNCTION SDA 1 I2C Serial Data. Input/output for I2C data. SCL 2 I2C Serial Clock. Input for I2C clock. FS1 3 FS0 5 Full-Scale Calibration Inputs. A resistor to ground on these pins determines the full-scale current for each output. FS0 controls OUT0; FS1 controls OUT1. GND 4 Ground OUT0 6 OUT1 7 Current Outputs. Sinks or sources the current determined by the register settings and the resistance connected to FS0 and FS1. VCC 8 Power Supply Typical Operating Characteristics (Applies to OUT0 and OUT1. VCC = 2.7V to 5.0V, SDA = SCL = VCC, TA = +25°C, and no loads on OUT0, OUT1, FS0, or FS1, unless otherwise noted.) SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 5.0 4.5 4.0 3.5 3.0 25 50 75 100 125 150 0 2.5 5.5 DOES NOT INCLUDE CURRENT DRAWN BY RESISTORS CONNECTED TO FS0 OR FS1. SUPPLY CURRENT vs. TEMPERATURE TEMPERATURE ( °C) 60 80 40 20 0 -20 25 50 75 100 125 150 0 -40 DOES NOT INCLUDE CURRENT DRAWN BY RESISTORS CONNECTED TO FS0 OR FS1. VCC = 5.5V VCC = 3.3V VCC = 2.7V VOLTCO (SOURCE) VOUT (V) 4 3 2 1 -225 -200 -175 -150 -250 05 40k Ω LOAD ON FS0 AND FS1. VOLTCO (SINK) VOUT (V) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 175 200 225 250 150 0 4.0 40k Ω LOAD ON FS0 AND FS1. TEMPERATURE COEFFICIENT vs. SETTING (SOURCE) SETTING (DEC) 100 125 75 50 25 0 50 100 150 200 250 300 -50 0 RANGE FOR THE 50 μA TO 200μA CURRENT SOURCE RANGE. +25 °C TO -40°C +25 °C TO +85°C TEMPERATURE COEFFICIENT vs. SETTING (SINK) SETTING (DEC) 100 125 75 50 25 -150 -50 50 150 250 350 450 550 650 -250 0 RANGE FOR THE 50 μA TO 200μA CURRENT SINK RANGE. +25 °C TO -40°C +25 °C TO +85°C |
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