Datasheet

0
10
20
30
40
50
60-
-
-
-
-
-
InputReturnLoss(dB)
100M
1G
Frequency(Hz)
Z =150 W
SYS
20dB
10dB
0dB
6dB-
0
5
10
15
20
25
30
35-
-
-
-
-
-
-
InputReturnLoss(dB)
10M 100M
1G
Frequency(Hz)
Z =150 W
SYS
20dB
10dB
0dB
6dB-
5.5
5.0
4.5
4.0
3.5
DifferentialOutputSwing(V)
100
1k
10k
DifferentialLoadResistance,R ( )W
LOAD
100
10
1
0.1
OutputImpedanceMagnitude( )W
10k 100k 1M 10M 100M 300M
Frequency(Hz)
100
90
80
70
60
50
40
30
20
10
0
OutputImpedancePhase( )°
Magnitude
Phase
90
80
70
60
50
40
30
20
10
0
Power-SupplyRejectionRatio(dB)
Common-ModeRejectionRatio(dB)
1k 10k 100k 1M 10M 100M
1G
Frequency(Hz)
CMRR
PSRR
PGA870
www.ti.com SBOS436A –DECEMBER 2009–REVISED FEBRUARY 2011
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, V
S+
= +5 V, differential input signal, differential V
OUT
= 2 V
PP
, R
L
= 200 Ω differential, G = +20 dB, and input and
output common-mode at internal midsupply reference, unless otherwise noted.
DIFFERENTIAL INPUT RETURN LOSS SINGLE-ENDED INPUT RETURN LOSS
vs FREQUENCY vs FREQUENCY
Figure 37. Figure 38.
DIFFERENTIAL OUTPUT SWING
DIFFERENTIAL OUTPUT IMPEDANCE vs R
LOAD
Figure 39. Figure 40.
PSRR AND CMRR
vs FREQUENCY
Figure 41.
© 2009–2011, Texas Instruments Incorporated 13
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