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AD1887 Fiches technique(PDF) 7 Page - Analog Devices |
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AD1887 Fiches technique(HTML) 7 Page - Analog Devices |
7 / 16 page REV. 0 AD1887 –7– PIN FUNCTION DESCRIPTIONS Digital I/O Pin Name TQFP I/O Description XTL_IN 2 I Crystal (or Clock) Input, 24.576 MHz XTL_OUT 3 O Crystal Output SDATA_OUT 5 I AC-Link Serial Data Output, AD1887 Input Stream BIT_CLK 6 O/I AC-Link Bit Clock 12288 MHz Serial Data Clock Daisy Chain Output Clock SDATA_IN 8 O AC-Link Serial Data Input AD1887 Output Stream SYNC 10 I AC-Link Frame Sync RESET 11 I AC-Link Reset AD1887 Master H/W Reset Chip Selects Pin Name TQFP Type Description ID0 45 I Chip Select Input 0 (Active Low) ID1 46 I Chip Select Input 1 (Active Low) Analog I/O These signals connect the AD1887 component to analog sources and sinks, including microphones and speakers Pin Name TQFP I/O Description CD_L 18 I CD Audio Left Channel CD_GND_REF 19 I CD Audio Analog Ground Reference for Differential CD Input CD_ R 20 I CD Audio Right Channel MIC 21 I Microphone Input LINE_IN_L 23 I Line in Left Channel LINE_IN_R 24 I Line in Right Channel HP_OUT_L 39 O Headphones Out Left Channel HP_OUT_R 41 O Headphones Out Right Channel Filter/Reference These signals are connected to resistors, capacitors, or specific voltages Pin Name TQFP I/O Description VREF 27 O Voltage Reference Filter VREFOUT 28 O Voltage Reference Output 5 mA Drive (Intended for Mic Bias) AFILT1 29 O Antialiasing Filter Capacitor—ADC Right Channel AFLIT2 30 O Antialiasing Filter Capacitor—ADC Left Channel FILT_R 31 O AC-Coupling Filter Capacitor—ADC Right Channel FILT_L 32 O AC-Coupling Filter Capacitor—ADC Left Channel Power and Ground Signals Pin Name TQFP Type Description DVDD1 1 I Digital VDD 33 V DVSS1 4 I Digital GND DVSS2 7 I Digital GND DVDD2 9 I Digital VDD 33 V AVDD1 25 I Analog VDD 50 V AVSS1 26 I Analog GND AVDD2 38 I Analog VDD 50 V AVSS2 40 I Analog GND AVDD3 43 I Analog VDD 50 V AVSS3 44 I Analog GND |
Numéro de pièce similaire - AD1887_15 |
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Description similaire - AD1887_15 |
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