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ADS1294 Datasheet(PDF) 17 Page - Texas Instruments

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Part # ADS1294
Description  Low-Power, 8-Channel, 24-Bit Analog Front-End for Biopotential Measurements
PDF  88 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

ADS1294 Datasheet(HTML) 17 Page - Texas Instruments

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background image
3
2
1
0
1
2
3
-
-
-
Time(sec)
1
2
0
10
3
4
5
6
7
8
9
Peak-to-PeakOver10sec=5 V
m
1600
1400
1200
1000
800
600
400
200
0
Input-ReferredNoise( V)
m
2.408
2.406
2.404
2.402
2.4
2.398
2.396
-
40
85
Temperature( C)
°
-
15
10
60
35
-
130
125
120
115
110
105
100
95
90
85
-
-
-
-
-
-
-
-
-
10
1k
Frequency(Hz)
100
Gain=1
DataRate=4kSPS
AIN=AVDD
0.3VtoAVSS+0.3V
-
Gain=2
Gain=3
Gain=4
Gain=6
Gain=8
Gain=12
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
0.3
4.8
InputVoltage(V)
2.3
AVDD
AVSS=5V
PGA=1
-
1.8
1.3
0.8
2.8
3.3
3.8
4.3
1200
1000
800
600
400
200
0
-
40
85
Temperature( C)
°
35
10
-
15
60
ADS1294, ADS1294R
ADS1296, ADS1296R
ADS1298, ADS1298R
www.ti.com
SBAS459H
– JANUARY 2010 – REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS
All plots at TA = +25°C, AVDD = 3V, AVSS = 0V, DVDD = 1.8V, internal VREFP = 2.4V, VREFN = AVSS, external clock =
2.048MHz, data rate = 500SPS, High-Resolution mode, and gain = 6, unless otherwise noted.
INPUT-REFERRED NOISE
NOISE HISTOGRAM
Figure 3.
Figure 4.
INTERNAL REFERENCE vs TEMPERATURE
CMRR vs FREQUENCY
Figure 5.
Figure 6.
LEAKAGE CURRENT vs INPUT VOLTAGE
LEAKAGE CURRENT vs TEMPERATURE
Figure 7.
Figure 8.
Copyright
© 2010–2011, Texas Instruments Incorporated
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Product Folder Link(s): ADS1294 ADS1294R ADS1296 ADS1296R ADS1298 ADS1298R



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