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ADS1294CZXGR Datasheet(PDF) 7 Page - Texas Instruments

Part # ADS1294CZXGR
Description  ADS129x Low-Power, 8-Channel, 24-Bit Analog Front-End for Biopotential Measurements
PDF  114 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

ADS1294CZXGR Datasheet(HTML) 7 Page - Texas Instruments

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ADS1294, ADS1294R, ADS1296, ADS1296R, ADS1298, ADS1298R
www.ti.com
SBAS459K – JANUARY 2010 – REVISED AUGUST 2015
Pin Function: NFBGA Package
PIN
TYPE
DESCRIPTION
NO.
NAME
1A
IN8P(1)
Analog input
Differential analog positive input 8 (ADS1298 and ADS1298R)
1B
IN7P(1)
Analog input
Differential analog positive input 7 (ADS1298 and ADS1298R)
1C
IN6P(1)
Analog input
Differential analog positive input 6 (ADS1296, ADS1298, ADS1296R, ADS1298R)
1D
IN5P(1)
Analog input
Differential analog positive input 5 (ADS1296, ADS1298, ADS1296R, ADS1298R)
1E
IN4P(1)
Analog input
Differential analog positive input 4
1F
IN3P(1)
Analog input
Differential analog positive input 3
1G
IN2P(1)
Analog input
Differential analog positive input 2
1H
IN1P(1)
Analog input
Differential analog positive input 1
2A
IN8N(1)
Analog input
Differential analog negative input 8 (ADS1298, ADS1298R)
2B
IN7N(1)
Analog input
Differential analog negative input (ADS1298, ADS1298R)
2C
IN6N(1)
Analog input
Differential analog negative input 6 (ADS1296, ADS1298, ADS1296R, ADS1298R)
2D
IN5N(1)
Analog input
Differential analog negative input 5 (ADS1296, ADS1298, ADS1296R, ADS1298R)
2E
IN4N(1)
Analog input
Differential analog negative input 4
2F
IN3N(1)
Analog input
Differential analog negative input 3
2G
IN2N(1)
Analog input
Differential analog negative input 2
2H
IN1N(1)
Analog input
Differential analog negative input 1
3A
RLDIN(1)
Analog input
Right leg drive input to mux
3B
RLDOUT
Analog output
Right leg drive output
Analog
3C
RLDINV
Right leg drive inverting input
input/output
3D
WCT
Analog output
Wilson central terminal output
Analog
3E
TESTP_PACE_OUT1 (1)
input/buffer
Internal test signal or single-ended buffer output based on register settings
output
Analog
3F
TESTN_PACE_OUT2(1)
Internal test signal or single-ended buffer output based on register settings
input/output
3G
VCAP4
—
Analog bypass capacitor; connect 1-
μF capacitor to AVSS
Analog
3H
VREFP
Positive reference input/output voltage
input/output
4A
AVDD
Supply
Analog supply
4B
AVDD
Supply
Analog supply
4C
RLDREF
Analog input
Right leg drive noninverting input
4D
AVSS
Supply
Analog ground
4E
RESV1
Digital input
Reserved for future use; must tie to logic low (DGND).
ADS129xR: modulation clock for respiration measurement, negative side.
4F
RESP_MODN
Analog output
ADS129x: leave floating.
ADS129xR: modulation clock for respiration measurement, positive side.
4G
RESP_MODP
Analog output
ADS129x: leave floating.
4H
VREFN
Analog input
Negative reference voltage
5A
AVSS
Supply
Analog ground
5B
AVSS
Supply
Analog ground
5C
AVSS
Supply
Analog ground
5D
AVSS
Supply
Analog ground
Digital
5E
GPIO4
General-purpose input/output pin 4
input/output
Digital
5F
GPIO1
General-purpose input/output pin 1
input/output
5G
PWDN
Digital input
Power-down pin; active low
(1)
Connect unused pins to AVDD.
Copyright © 2010–2015, Texas Instruments Incorporated
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Product Folder Links: ADS1294 ADS1294R ADS1296 ADS1296R ADS1298 ADS1298R



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