PGA281
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SBOS664A –MARCH 2013–REVISED JUNE 2013
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VSP = +15 V, VSN = –15 V, VSON = 0 V, VSOP = 5 V, DVDD = +3 V, RL = 2.5 kΩ to VSOP/2 = VOCM,
gain = 1 V/V, VCM = 0 V, and differential input and output, unless otherwise noted.
140
120
100
80
160
140
120
100
80
VSN
VSP
60
60
40
G = 1/8
G = 1
40
20
20
G = 128
0
0
10
100
1k
10k
100k
1
10
100
1k
10k
100k
Frequency (Hz)
C014
Frequency (Hz)
Figure 13. POWER-SUPPLY REJECTION vs FREQUENCY
Figure 14. COMMON-MODE REJECTION vs FREQUENCY
60
50
100
40
10
G = 1/8
30
1
20
G = 1
10
G = 4
0.1
0
G = 128
-10
-20
0.01
10
100
1k
10k
100k
1M
10M
0.1
1
10
100
1k
10k
100k
Frequency (Hz)
Frequency (Hz)
Figure 15. INPUT-REFERRED NOISE SPECTRUM
Figure 16. SMALL-SIGNAL GAIN vs FREQUENCY
3.0
2.5
2.0
1.5
1.0
0.5
0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
INP
(Voltage Range)
INP
(Voltage Range)
-50
-25
0
25
50
75
100
125
150
1
2
4
8
16
32
64
128
Temperature (°C)
Gain Setting (V/V)
Figure 17. INPUT VOLTAGE RANGE LIMITS vs
TEMPERATURE
Figure 18. BIAS CURRENT vs GAIN SETTING
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