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AD1937WBSTZ-RL bảng dữ liệu(PDF) 11 Page - Analog Devices |
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AD1937WBSTZ-RL bảng dữ liệu(HTML) 11 Page - Analog Devices |
11 / 36 page AD1937 Rev. 0 | Page 11 of 36 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS NC = NO CONNECT 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 AGND 1 MCLKI/MCLKXI 2 MCLKO/MCLKXO 3 AGND 4 AVDD 5 DAC3LP 6 DAC3LN 7 DAC3RP 8 DAC3RN 9 DAC4LP 10 DAC4LN 11 DAC4RP 12 DAC4RN 13 PD/RST 14 DSDATA4 15 DGND 16 AGND 48 FILTR 47 AGND 46 AVDD 45 AGND 44 DAC2RN 43 DAC2RP 42 DAC2LN 41 DAC2LP 40 DAC1RN 39 DAC1RP 38 DAC1LP 36 ADDR1 35 SCL 34 DGND 33 DAC1LN 37 AD1937 TOP VIEW (Not to Scale) DIFFERENTIAL OUTPUT Figure 4. Pin Configuration Table 11. Pin Function Descriptions Pin No. Type1 Mnemonic Description 1, 4, 44, 46, 48 I AGND Analog Ground. 2 I MCLKI/MCLKXI Master Clock Input/Crystal Oscillator Input. 3 O MCLKO/MCLKXO Master Clock Output/Crystal Oscillator Output. 5, 45, 51, 62 I AVDD Analog Power Supply. Connect this pin to analog 3.3 V supply. 6 O DAC3LP DAC3 Left Positive Output. 7 O DAC3LN DAC3 Left Negative Output. 8 O DAC3RP DAC3 Right Positive Output. 9 O DAC3RN DAC3 Right Negative Output. 10 O DAC4LP DAC4 Left Positive Output. 11 O DAC4LN DAC4 Left Negative Output. 12 O DAC4RP DAC4 Right Positive Output. 13 O DAC4RN DAC4 Right Negative Output 14 I PD/RST Power-Down Reset (Active Low). 15 I/O DSDATA4 DAC Serial Data Input 4. Data input to DAC4 data in/TDM DAC2 data out (dual-line mode)/ AUX DAC2 data out (to external DAC2). 16, 33 I DGND Digital Ground. 17, 32 I DVDD Digital Power Supply. Connect this pin to digital 3.3 V supply. 18 I/O DSDATA3 DAC Serial Data Input 3. Data input to DAC3 data in/TDM DAC2 data in (dual-line mode)/AUX ADC2 data in (from external ADC2). 19 I/O DSDATA2 DAC Serial Data Input 2. Data input to DAC2 data in/TDM DAC data out/AUX ADC1 data in (from external ADC1). 20 I DSDATA1 DAC Serial Data Input 1. Data input to DAC1 data in/TDM DAC data in/TDM data in. 21 I/O DBCLK Bit Clock for DACs. Can be programmed as input or output in all modes. 22 I/O DLRCLK Frame Clock for DACs. Can be programmed as input or output in all modes. |
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