OPA4872 Datasheet, PDF (8/27 Pages) Texas Instruments – 4:1 High-Speed Multiplexer

OPA4872
SBOS346C – JUNE 2007 – REVISED MARCH 2011
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TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, G = +2V/V, R_F = 523Ω, and R_L = 150Ω, unless otherwise noted.
ALL HOSTILE CROSSTALK vs FREQUENCY
OPEN-LOOP TRANSIMPEDANCE GAIN AND PHASE vs
FREQUENCY
0
Input-referred
-10
1M
0
< Z_OL
-20
100k
-45
-30
½Z_OL½
-40
10k
-90
-50
-60
1k
-135
-70
-80
100
-180
-90
-100
1M
10M
100M
Frequency (Hz)
10
-225
1G
10k
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 19.
Figure 20.
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY
1M
100k
10k
Disabled (or Shutdown)
1k
100
10
1
Enabled
0.1
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 21.
100M
10M
INPUT IMPEDANCE vs FREQUENCY
Disabled
1M
100k
Enabled
10k
1k
100
10k
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 22.
PSRR vs FREQUENCY
60
50 ^{Input-referred}
40
-PSRR
30
+PSRR
20
10
0
1k
10k 100k
1M
10M 100M 1G
Frequency (Hz)
Figure 23.
OUTPUT AND SUPPLY CURRENT vs TEMPERATURE
78.00
15.00
76.75
13.75
75.50
74.25
Supply Current (I_Q)
12.50
11.25
73.00
10.00
71.75
70.50
+I_OUT
8.75
7.50
69.25
68.00
-50 -25
-I_OUT
0
25
50
75 100
Ambient Temperature (°C)
6.25
5.00
125
Figure 24.
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