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ADC31RF80IRMP Datasheet(PDF) 4 Page - Texas Instruments |
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ADC31RF80IRMP Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 142 page  4 ADC31RF80 SBAS860 – AUGUST 2017 www.ti.com Product Folder Links: ADC31RF80 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Pin Functions (continued) NAME NO. I/O DESCRIPTION CLOCK, SYNC CLKINM 28 I Differential clock input for the analog-to-digital converter (ADC). This pin has an internal differential 100-Ω termination. CLKINP 27 SYSREFM 34 I External SYSREF input. This pin has an internal, differential 100-Ω termination and requires external biasing. SYSREFP 33 GPIO1 19 I/O GPIO control pin; configured through the SPI. This pin can be configured to be either a fast overrange output, a fast detect alarm signal from the peak power detect, or a numerically-controlled oscillator (NCO) control. GPIO 4 (pin 63) can also be configured as a single-ended SYNCB input. GPIO2 20 GPIO3 21 GPIO4 63 CONTROL, SERIAL RESET 48 I Hardware reset; active high. This pin has an internal 20-kΩ pulldown resistor. SCLK 6 I Serial interface clock input. This pin has an internal 20-kΩ pulldown resistor. SDIN 5 I/O Serial interface data input. This pin has an internal 20-kΩ pulldown resistor. SDIN can be data input in 4-wire mode, data input and output in 3 wire-mode. SEN 7 I Serial interface enable. This pin has an internal 20-kΩ pullup resistor to DVDD. SDOUT 11 O Serial interface data output in 4-wire mode PDN 50 I Power down; active high. This pin has an internal 20-kΩ pulldown resistor. DATA INTERFACE D0M 62 O JESD204B serial data output D0P 61 D1M 59 D1P 58 D2M 56 D2P 55 D3M 54 D3P 53 SYNCBM 36 I Synchronization input for the JESD204B port. This pin has an LVDS or 1.8-V logic input, an optional on-chip 100-Ω termination, and is selectable through the SPI. This pin requires external biasing. SYNCBP 35 POWER SUPPLY AVDD19 10, 16, 24, 31, 39, 45 I Analog 1.9-V power supply AVDD 9, 12, 15, 17, 25, 30, 38, 40, 43, 44, 46 I Analog 1.15-V power supply DVDD 4, 8, 47, 51, 57, 64, 70 I Digital 1.15 V-power supply, including the JESD204B transmitter GND 3, 18, 23, 26, 29, 32, 37, 49, 52, 60, 67 I Ground; shorted to thermal pad inside device |
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