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MAX1452 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1452 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 24 page Low-Cost Precision Sensor Signal Conditioner _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = +5V, VSS = 0, TA = +25°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Output Offset TC Ratio ∆VOUT/ ∆Offset TC 0.9 1 1.2 V/V Step Response and IC (63% Final Value) 150 µs Maximum Capacitive Load 1µF Output Noise DC to 1kHz (gain = minimum, source impedance = 5k Ω VDDF filter) 0.5 mVRMS BRIDGE DRIVE Bridge Current IBDR RL = 1.7k Ω 0.1 0.5 2 mA Current Mirror Ratio AA RISOURCE = internal 10 12 14 A/A VSPAN Range (Span Code) TA = TMIN to TMAX 4000 C000 hex DIGITAL–TO–ANALOG CONVERTERS DAC Resolution 16 bits ODAC Bit Weight ∆VOUT/ ∆Code DAC reference = VDD = +5.0V 76 µV/bit OTCDAC Bit Weight ∆VOUT/ ∆Code DAC reference = VBDR = +2.5V 38 µV/bit FSODAC Bit Weight ∆VOUT/ ∆Code DAC reference = VDD = +5.0V 76 µV/bit FSOTCDAC Bit Weight ∆VOUT/ ∆Code DAC reference = VBDR = +2.5V 38 µV/bit COARSE OFFSET DAC IRODAC Resolution Including sign 4 bits IRODAC Bit Weight ∆VOUT/ ∆Code Input referred, DAC reference = VDD = +5.0V (Note 6) 9 mV/bit FSOTC BUFFER Minimum Output Voltage Swing No load VSS + 0.1 V Maximum Output Voltage Swing No load VDD - 1.0 V Current Drive VFSOTC = +2.5V -40 +40 µA INTERNAL RESISTORS Current-Source Reference Resistor RISRC 75 k Ω Current-Source Reference Resistor Temperature Coefficient ∆RISRC 1300 ppm/°C FSOTC Resistor RFTC 75 k Ω FSOTC Resistor Temperature Coefficient ∆RFTC 1300 ppm/°C |
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