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ADS1299 Datasheet(PDF) 10 Page - Texas Instruments |
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ADS1299 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 66 page ADS1299 SBAS499A – JULY 2012 – REVISED AUGUST 2012 www.ti.com PIN ASSIGNMENTS (continued) NAME TERMINAL FUNCTION DESCRIPTION DVDD 48, 50 Supply Digital power supply GPIO1 42 Digital input/output General-purpose input/output pin GPIO2 44 Digital input/output General-purpose input/output pin GPIO3 45 Digital input/output GPIO3 in normal mode GPIO4 46 Digital input/output GPIO4 in normal mode IN1N(1) 15 Analog input Differential analog negative input 1 IN1P 16 Analog input Differential analog positive input 1 IN2N 13 Analog input Differential analog negative input 2 IN2P 14 Analog input Differential analog positive input 2 IN3N 11 Analog input Differential analog negative input 3 IN3P 12 Analog input Differential analog positive input 3 IN4N 9 Analog input Differential analog negative input 4 IN4P 10 Analog input Differential analog positive input 4 IN5N 7 Analog input Differential analog negative input 5 IN5P 8 Analog input Differential analog positive input 5 IN6N 5 Analog input Differential analog negative input 6 IN6P 6 Analog input Differential analog positive input 6 IN7N 3 Analog input Differential analog negative input 7 IN7P 4 Analog input Differential analog positive input 7 IN8N 1 Analog input Differential analog negative input 8 IN8P 2 Analog input Differential analog positive input 8 NC 27, 29 — No connection Reserved 64 Analog output Leave as open circuit RESET 36 Digital input System reset; active low RESV1 31 Digital input Reserved for future use. Must tie to logic low (DGND) SCLK 40 Digital input SPI clock SRB1 17 Analog input/output Patient stimulus, reference, and bias signal 1 SRB2 18 Analog input/output Patient stimulus, reference, and bias signal 2 START 38 Digital input Start conversion PWDN 35 Digital input Power-down; active low VCAP1 28 — Analog bypass capacitor VCAP2 30 — Analog bypass capacitor VCAP3 55 Analog Analog bypass capacitor VCAP4 26 Analog output Analog bypass capacitor VREFN 25 Analog input Negative reference voltage VREFP 24 Analog input/output Positive reference voltage (1) Connect unused analog inputs IN1x to IN8x to AVDD. 10 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s): ADS1299 |
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