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MAX11270 Datasheet(PDF) 13 Page - Maxim Integrated Products |
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MAX11270 Datasheet(HTML) 13 Page - Maxim Integrated Products |
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13 / 46 page ![]() PIN NAME FUNCTION 1 DIN Serial Data Input. Data is clocked into DIN on the rising edge of SCLK. DIN configures the internal register writes or a command operation. 2 DOUT Serial Data Output or Real-Time Modulator MB0 Output. DOUT outputs 32 or 24 bits of filtered data in normal data mode. DOUT transitions on the falling edge of SCLK. 3, 20 DGND Digital Ground 4 SYNC SYNC Reset. SYNC resets both the digital filter and the modulator. Connect SYNC from multiple MAX11270s in parallel to synchronize more than one ADC to an external trigger. This is a digital input pin and is not internally pulled down. For normal operation drive or pull this pin low. 5 RSTB The RSTB function is a complete reset of all digital functions resulting in a power-on reset default state. This is a digital input pin and is not internally pulled up. For normal operation drive or pull this pin high. 6 GPIO3 General-Purpose I/O 3 or Modulator Sync Output. GPIO3 is configurable as a digital input or output. GPIO pins have weak pull ups and do not require external bias if unused. For lowest power operation do not connect or drive high with GPIO configured as input (default). 7 GPIO2 General-Purpose I/O 2. Register controllable via SPI. GPIO pins have weak pull ups and do not require external bias if unused. For lowest power operation do not connect or drive high with GPIO configured as input (default). 8 GPIO1 General-Purpose I/O 1. Register controllable via SPI. GPIO pins have weak pull ups and do not require external bias if unused. For lowest power operation do not connect or drive high with GPIO configured as input (default). 24 23 22 21 20 19 18 1 2 3 4 5 6 7 SCLK CSB DVDD CAPREG SYNC DGND DOUT DIN TOP VIEW MAX11270 DGND CLK RDYB GPIO2 GPIO3 17 8 AVSS GPIO1 16 9 CAPP AVDD 15 10 CAPN AVSS 14 11 REFP AINN 13 12 REFN AINP RSTB TSSOP + MAX11270 24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma ADC with Integrated PGA www.maximintegrated.com Maxim Integrated │ 13 Pin Configuration Pin Description |
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