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ADS1194CZXGR bảng dữ liệu(PDF) 11 Page - Texas Instruments |
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ADS1194CZXGR bảng dữ liệu(HTML) 11 Page - Texas Instruments |
11 / 73 page ADS1194 ADS1196 ADS1198 www.ti.com SBAS471A – APRIL 2010 – REVISED SEPTEMBER 2010 PAG PIN ASSIGNMENTS (continued) NAME TERMINAL FUNCTION DESCRIPTION TESTP_PACE_OUT1 17 Analog input/buffer output Internal test signal/single-ended buffer output based on register settings TESTN_PACE_OUT2 18 Analog input/output Internal test signal/single-ended buffer output based on register settings AVDD 19 Supply Analog supply AVSS 20 Supply Analog ground AVDD 21 Supply Analog supply AVDD 22 Supply Analog supply AVSS 23 Supply Analog ground VREFP 24 Analog input/output Positive reference voltage VREFN 25 Analog input Negative reference voltage VCAP4 26 Analog output Analog bypass capacitor NC 27 — No connection; leave floating VCAP1 28 — Analog bypass capacitor NC 29 — No connection; leave floating VCAP2 30 — Analog bypass capacitor RESV1 31 Digital input Reserved for future use; must tie to logic low (DGND) AVSS 32 Supply Analog ground DGND 33 Supply Digital ground DIN 34 Digital input SPI data in PWDN 35 Digital input Power-down; active low RESET 36 Digital input System reset; active low CLK 37 Digital input Master clock input START 38 Digital input Start conversion CS 39 Digital input SPI chip select; active low SCLK 40 Digital input SPI clock DAISY_IN 41 Digital input Daisy-chain input. If not used, short to logic zero (DGND). GPIO1 42 Digital input/output General-purpose input/output pin DOUT 43 Digital output SPI data out GPIO2 44 Digital input/output General-purpose input/output pin GPIO3 45 Digital input/output General-purpose input/output pin GPIO4 46 Digital input/output General-purpose input/output pin DRDY 47 Digital output Data ready; active low DVDD 48 Supply Digital power supply DGND 49 Supply Digital ground DVDD 50 Supply Digital power supply DGND 51 Supply Digital ground CLKSEL 52 Digital input Master clock select AVSS1 53 Supply Analog ground AVDD1 54 Supply Analog supply VCAP3 55 Analog Analog bypass capacitor AVDD 56 Supply Analog supply AVSS 57 Supply Analog ground AVSS 58 Supply Analog ground for charge pump AVDD 59 Supply Analog supply for charge pump RLDREF 60 Analog input Right leg drive noninverting input RLDINV 61 Analog input/output Right leg drive inverting input RLDIN 62 Analog input Right leg drive input to MUX RLDOUT 63 Analog output Right leg drive output WCT 64 Analog output Wilson Center Terminal output Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): ADS1194 ADS1196 ADS1198 |
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