max5742 Maxim Integrated Products, Inc., max5742 Datasheet
max5742
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max5742 Summary of contents
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... The MAX5742’s software-controlled power- down reduces supply current to less than 0.3µA and provides software-selectable output loads (1k , 100k , or high impedance) while in power-down. The MAX5742 is specified over the -40°C to +125°C automotive tem- perature range. Automatic Tuning ...
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Low-Power, Quad, Voltage-Output DAC with Serial Interface ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD OUT_, SCLK, DIN, CS, REF to GND...............-0 Maximum Continuous Current Into Any Pin......................±50mA Continuous Power Dissipation (T = +70°C) A ...
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Low-Power, Quad, Voltage-Output ELECTRICAL CHARACTERISTICS (continued +2.7V to +5.5V, GND = REF V = +5V +25°C PARAMETER SYMBOL DIGITAL INPUTS (SCLK, DIN, CS) Input High Voltage Input Low Voltage Input ...
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Low-Power, Quad, Voltage-Output DAC with Serial Interface __________________________________________Typical Operating Characteristics ( +25°C, unless otherwise noted.) REF DD A INTEGRAL NONLINEARITY vs. CODE + +5V DD ...
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Low-Power, Quad, Voltage-Output ( +25°C, unless otherwise noted.) REF DD A WORST-CASE INL AND DNL vs. TEMPERATURE MAXIMUM INL MAXIMUM DNL MINIMUM DNL -8 MINIMUM INL -12 -16 ...
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... DIGITAL-TO-ANALOG GLITCH IMPULSE MAX5742 toc21 V , SCLK 5V/div V OUT_ CODE 800 HEX 1V/div (V = +5V) DD MAX5742 toc18 V , SCLK 5V/div V OUT_ 1V/div 1 s/div (V = +3V) DD MAX5742 toc20 V , SCLK 5V/div V OUT_ 1V/div CODE C00 TO 400 HEX 200pF L 1 s/div (V = +5V) DD MAX5742 toc22 SCLK 500kHz SCLK 2V/div ...
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... TIME = OUT_ AC-COUPLED, 2mV/div (V = +5V) DD MAX5742 toc24 SCLK 500kHz SCLK 2V/div V OUT_ AC-COUPLED, 20mV/div CODE 800 HEX to 7FF HEX 1 s/div (V = +5V) DD MAX5742 toc26 V DD 2V/div V OUT_ AC-COUPLED, 10mV/div V RISE DD TIME = s/div (V = +3V) DD MAX5742 toc28 V DD 2V/div V RISE DD TIME = ...
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... CLOCK FEEDTHROUGH (V = +5V) DD MAX5742 toc30 SCLK, 2V/div V OUT_ AC-COUPLED, CODE = 800 HEX, 1mV/div 2 s/div f = 50kHz SCLK 2 s/div (V = +5V) DD MAX5742 toc32 V DD, AC-COUPLED, 100mV/div V OUT_ AC-COUPLED, 10mV/div 20 s/div = +5V) DD MAX5742 toc34 CODE FFF HEX V OUTA, to 00B HEX 2V/div V OUTB, AC-COUPLED, 2mV/div ...
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... This extra time is needed to allow the internal bias to wake-up. Power-down mode reduces current consumption to 0.3µA. . The output DD The MAX5742 digital interface is a standard 3-wire con- nection compatible with SPI/QSPI/MICROWIRE/DSP interfaces. The chip-select input (CS) frames the serial 12 data loading at DIN. Immediately following CS high-to- ...
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... DAC A-D Power-On Reset (POR) The MAX5742 has an internal POR circuit. At power-up all DACs are powered-down and OUT_ is terminated to GND through 100k resistors. Contents of input and DAC registers are cleared to all zero. An 8µs recovery time after issuing a wake-up command is needed before writ- ing to the DAC registers ...
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... MAX5742 configured for a unipolar output, where the output voltages and the reference inputs have the same polarity. Table 3 lists the unipolar output codes. The MAX5742 can be configured for bipolar operation using a dual supply op amp (Figure 4). The transfer function for bipolar operation is: ...
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... Input registers transparent, data shifted directly to DAC registers, OUTA–OUTD A–D updated A–D Data shifted to input registers, OUTA–OUTD unchanged A–D Shift data from input registers to DAC registers, OUTA–OUTD updated REF V DD DAC_ OUT_ MAX5742 Figure 4. Bipolar Output Circuit FUNCTION +2.7V TO +5. OUT_ V- MAX5742 OUT ...
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Low-Power, Quad, Voltage-Output Table 3. Unipolar Code Table DAC CONTENTS ANALOG OUTPUT 1111 1111 1111 1000 0000 0001 1000 0000 0000 0111 1111 1111 0000 0000 0001 0000 0000 0000 Chip Information TRANSISTOR COUNT: 14,458 PROCESS: BiCMOS ______________________________________________________________________________________ DAC ...
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... LOGIC AND SHIFT REGISTER CS SCLK DIN 14 ______________________________________________________________________________________ REF OUTPUT 12-BIT DAC A BUFFER OUTPUT 12-BIT DAC B BUFFER OUTPUT 12-BIT DAC C BUFFER OUTPUT 12-BIT DAC D BUFFER POWER-DOWN CONTROL LOGIC MAX5742 GND Functional Diagram OUTA RESISTOR NETWORK OUTB RESISTOR NETWORK OUTC RESISTOR NETWORK OUTD RESISTOR NETWORK ...
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Low-Power, Quad, Voltage-Output (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages ÿ 0.50±0.1 0.6±0.1 1 0.6±0.1 TOP VIEW ...