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MCP3910 数据表(PDF) 2 Page - Microchip Technology |
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MCP3910 数据表(HTML) 2 Page - Microchip Technology |
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2 / 90 page ![]() MCP3910 DS20005116D-page 2 2012-2020 Microchip Technology Inc. Package Type Functional Block Diagram OSC1/CLKI/GAIN0 1 2 3 4 20 19 18 17 16 15 14 13 5 6 7 8 OSC2/MODE SDI/OSR1 RESET/OSR0 DVDD AVDD CH0+ CH0- CH1- 12 9 DGND MDAT0 MDAT1 DR/GAIN1 CH1+ AGND SDO 11 10 REFIN+/OUT REFIN- CS/BOOST SCK/MCLK 2 CH1- CH1+ CH0+ SCK/MCLK CS/BOOST OSC2/MODE OSC1/CLKI/GAIN0 CH0- EP 20 1 19 18 17 3 4 14 13 12 11 67 8 9 21 5 10 15 16 AGND DR/GAIN1 MCP3910 4x 4 QFN* MCP3910 SSOP * Includes Exposed Thermal Pad (EP); see Table 3-1. CH0+ CH0- CH1+ CH1- DUAL ADC ANALOG DIGITAL SINC 3+ SINC 1 – + PGA – + PGA Modulator AMCLK DMCLK/DRCLK Phase Shifter PHASE [11:0] DATA_CH0 [23:0] MOD[7:0] REFIN+/OUT REFIN- AV DD AGND DGND DV DD MOD<3:0> MOD<7:4> POR AV DD Monitoring Modulator V REF+ V REF- VREFEXT Voltage Reference V REF + – POR DV DD Monitoring SDO SDI/OSR1 SCK Xtal Oscillator MCLK OSC1/CLKI/GAIN0 OSC2/MODE DR/GAIN1 RESET/OSR0 Digital Interfaces (SPI & Two-Wire) Clock Generation Modulator Output Block MDAT1 MDAT0 DMCLK OSR[2:0] PRE[1:0] EN_MDAT CS/BOOST + OFFCAL_CH0 [23:0] GAINCAL_CH0 [23:0] X + OFFCAL_CH1 [23:0] GAINCAL_CH1 [23:0] X DATA_CH1 [23:0] SINC 3+ SINC 1 |
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