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AD1939 Folha de dados(PDF) 10 Page - Analog Devices |
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AD1939 Folha de dados(HTML) 10 Page - Analog Devices |
10 / 32 page AD1939 Data Sheet Rev. E | Page 10 of 32 Pin No. In/Out Mnemonic Description 23 I VSUPPLY 5 V Input to Regulator, Emitter of Pass Transistor. 24 I VSENSE 3.3 V Output of Regulator, Collector of Pass Transistor. 25 O VDRIVE Drive for Base of Pass Transistor. 26 I/O ASDATA2 ADC Serial Data Output 2. Data Output from ADC2/TDM ADC data in/AUX DAC1 data out (to external DAC1). 27 O ASDATA1 ADC Serial Data Output 1. Data Output from ADC1/TDM ADC data out/TDM data out. 28 I/O ABCLK Bit Clock for ADCs. 29 I/O ALRCLK LR Clock for ADCs. 30 I CIN Control Data Input (SPI). 31 I/O COUT Control Data Output (SPI). 32 I DVDD Digital Power Supply. Connect to digital 3.3 V supply. 33 I DGND Digital Ground. 34 I CCLK Control Clock Input (SPI). 35 I CLATCH Latch Input for Control Data (SPI). 36 O OL1P DAC 1 Left Positive Output. 37 O OL1N DAC 1 Left Negative Output. 38 O OR1P DAC 1 Right Positive Output. 39 O OR1N DAC 1 Right Negative Output. 40 O OL2P DAC 2 Left Positive Output. 41 O OL2N DAC 2 Left Negative Output. 42 O OR2P DAC 2 Right Positive Output. 43 O OR2N DAC 2 Right Negative Output. 44 I AGND Analog Ground. 45 I AVDD Analog Power Supply. Connect to analog 3.3 V supply. 46 I AGND Analog Ground. 47 O FILTR Voltage Reference Filter Capacitor Connection. Bypass with 10 µF||100 nF to AGND. 48 I AGND Analog Ground. 49 NC No Connect. 50 NC No Connect. 51 I AVDD Analog Power Supply. Connect to analog 3.3 V supply. 52 O CM Common-Mode Reference Filter Capacitor Connection. Bypass with 47 µF||100 nF to AGND. 53 I ADC1LP ADC1 Left Positive Input. 54 I ADC1LN ADC1 Left Negative Input. 55 I ADC1RP ADC1 Right Positive Input. 56 I ADC1RN ADC1 Right Negative Input. 57 I ADC2LP ADC2 Left Positive Input. 58 I ADC2LN ADC2 Left Negative Input. 59 I ADC2RP ADC2 Right Positive Input. 60 I ADC2RN ADC2 Right Negative Input. 61 O LF PLL Loop Filter, Return to AVDD. 62 I AVDD Analog Power Supply. Connect to analog 3.3 V supply. 63 NC No Connect. 64 NC No Connect. |
Nº de peça semelhante - AD1939 |
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Descrição semelhante - AD1939 |
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