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AD1938YSTZ Datasheet(PDF) 10 Page - Analog Devices |
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AD1938YSTZ Datasheet(HTML) 10 Page - Analog Devices |
10 / 33 page Data Sheet AD1938 Rev. E | Page 9 of 32 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 48 47 46 45 44 43 42 41 40 39 38 37 13 14 15 16 17 18 19 20 21 22 23 24 AGND 1 MCLKI/XI 2 MCLKO/XO 3 AGND 4 AVDD 5 OL3 6 OR3 7 OL4 8 OR4 9 PD/RST 10 DSDATA4 11 DGND 12 AGND 36 FILTR 35 AGND 34 AVDD 33 AGND 32 OR2 31 OL2 30 OR1 29 OL1 28 CLATCH 27 CCLK 26 DGND 25 AD1938 TOP VIEW (Not to Scale) SINGLE-ENDED OUTPUT Figure 2. Pin Configuration, 48-Lead LQFP Table 10. Pin Function Descriptions Pin No. In/Out Mnemonic Description 1 I AGND Analog Ground. 2 I MCLKI/XI Master Clock Input/Crystal Oscillator Input. 3 O MCLKO/XO Master Clock Output/Crystal Oscillator Output. 4 I AGND Analog Ground. 5 I AVDD Analog Power Supply. Connect to analog 3.3 V supply. 6 O OL3 DAC 3 Left Output. 7 O OR3 DAC 3 Right Output. 8 O OL4 DAC 4 Left Output. 9 O OR4 DAC 4 Right Output. 10 I PD/RST Power-Down Reset (Active Low). 11 I/O DSDATA4 DAC Serial Input 4. Data input to DAC4 data in/TDM DAC2 data out (dual-line mode)/AUX DAC2 data out (to external DAC2). 12 I DGND Digital Ground. 13 I DVDD Digital Power Supply. Connect to digital 3.3 V supply. 14 I/O DSDATA3 DAC Serial Input 3. Data input to DAC3 data in/TDM DAC2 data in (dual-line mode)/AUX ADC2 data in (from external ADC2). 15 I/O DSDATA2 DAC Serial Input 2. Data input to DAC2 data in/TDM DAC data out/AUX ADC1 data in (from external ADC1). 16 I DSDATA1 DAC Serial Data Input 1. Data input to DAC1 data in/TDM DAC data in/TDM data in. 17 I/O DBCLK Bit Clock for DACs. 18 I/O DLRCLK LR Clock for DACs. 19 I/O ASDATA2 ADC Serial Data Output 2. Data output from ADC2/TDM ADC data in/AUX DAC1 data out (to external DAC1). 20 O ASDATA1 ADC Serial Data Output 1. Data output from ADC1/TDM ADC data out/TDM data out. 21 I/O ABCLK Bit Clock for ADCs. 22 I/O ALRCLK LR Clock for ADCs. 23 I CIN Control Data Input (SPI). 24 I/O COUT Control Data Output (SPI). 25 I DGND Digital Ground. |
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