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AD1937 датащи(PDF) 12 Page - Analog Devices |
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AD1937 датащи(HTML) 12 Page - Analog Devices |
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12 / 36 page ![]() AD1937 Rev. 0 | Page 12 of 36 Pin No. Type1 Mnemonic Description 23 I VSUPPLY 5 V Input to Regulator, Emitter of Pass Transistor. 24 I VSENSE Connect 3.3 V Regulator Output, Collector of Pass Transistor, to This Pin. 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. Can be programmed as input or output in all modes. 29 I/O ALRCLK Frame Clock for ADCs. Can be programmed as input or output in all modes. 30 I ADDR0 I2C Address Assignment. 31 I/O SDA Control Data Port (I2C). 34 I SCL Control Clock Port (I2C). 35 I ADDR1 I2C Address Assignment. 36 O DAC1LP DAC1 Left Positive Output. 37 O DAC1LN DAC1 Left Negative Output. 38 O DAC1RP DAC1 Right Positive Output. 39 O DAC1RN DAC1 Right Negative Output. 40 O DAC2LP DAC2 Left Positive Output. 41 O DAC2LN DAC2 Left Negative Output. 42 O DAC2RP DAC2 Right Positive Output. 43 O DAC2RN DAC2 Right Negative Output. 47 O FILTR Analog Voltage Reference Filter Capacitor Connection. Bypass with 10 μF||100 nF to AGND. 49, 50, 63, 64 NC No Connect. 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. 1 I = input, O = output. |
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