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AD5542BR 数据表(PDF) 5 Page - Analog Devices |
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AD5542BR 数据表(HTML) 5 Page - Analog Devices |
5 / 12 page AD5541/AD5542 –5– REV. A AD5541 PIN FUNCTION DESCRIPTIONS Mnemonic Pin No. Description VOUT 1 Analog Output Voltage from the DAC. AGND 2 Ground Reference Point for Analog Circuitry. REF 3 This is the voltage reference input for the DAC. Connect to external 2.5 V reference. Reference can range from 2 V to VDD. CS 4 This is a logic input signal. The chip select signal is used to frame the serial data input. SCLK 5 Clock Input. Data is clocked into the input register on the rising edge of SCLK. Duty cycle must be between 40% and 60%. DIN 6 Serial Data Input. This device accepts 16-bit words. Data is clocked into the input register on the rising edge of SCLK. DGND 7 Digital Ground. Ground reference for digital circuitry. VDD 8 Analog Supply Voltage, 5 V ± 10%. Mnemonic Pin No. Description RFB 1 Feedback Resistor. In bipolar mode connect this pin to external op amp output. VOUT 2 Analog Output Voltage from the DAC. AGNDF 3 Ground Reference Point for Analog Circuitry (Force). AGNDS 4 Ground Reference Point for Analog Circuitry (Sense). REFS 5 This is the voltage reference input (sense) for the DAC. Connect to external 2.5 V reference. Reference can range from 2 V to VDD. REFF 6 This is the voltage reference input (force) for the DAC. Connect to external 2.5 V reference. Reference can range from 2 V to VDD. CS 7 This is a logic input signal. The chip select signal is used to frame the serial data input. SCLK 8 Clock input. Data is clocked into the input register on the rising edge of SCLK. Duty cycle must be between 40% and 60%. NC 9 No Connect. DIN 10 Serial Data Input. This device accepts 16-bit words. Data is clocked into the input register on the rising edge of SCLK. LDAC 11 LDAC Input. When this input is taken low, the DAC register is simultaneously updated with the contents of the input register. DGND 12 Digital Ground. Ground reference for digital circuitry. INV 13 Connected to the Internal Scaling Resistors of the DAC. Connect INV pin to external op amps inverting input in bipolar mode. VDD 14 Analog Supply Voltage, 5 V ± 10%. AD5542 PIN FUNCTION DESCRIPTIONS AD5541 PIN CONFIGURATION SOIC TOP VIEW (Not to Scale) 8 7 6 5 1 2 3 4 VOUT AGND REF VDD DGND DIN SCLK CS AD5541 AD5542 PIN CONFIGURATION SOIC TOP VIEW (Not to Scale) 14 13 12 11 10 9 8 1 2 3 4 5 6 7 NC = NO CONNECT RFB VOUT AGNDF AGNDS REFS REFF CS VDD INV DGND LDAC DIN NC SCLK AD5542 |
类似零件编号 - AD5542BR |
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类似说明 - AD5542BR |
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