OPA4872-EP_12 Datasheet, PDF (9/25 Pages) Texas Instruments – 4:1 HIGH-SPEED MULTIPLEXER

OPA4872-EP
www.ti.com........................................................................................................................................................................................... SBOS444 – DECEMBER 2008
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, G = +2 V/V, R_F = 523 Ω, and R_L = 150 Ω, unless otherwise noted.
ALL HOSTILE CROSSTALK vs FREQUENCY
0
Input-referred
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
1M
10M
100M
1G
Frequency (Hz)
Figure 19.
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.
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.
OPEN-LOOP TRANSIMPEDANCE GAIN AND PHASE vs
FREQUENCY
1M
0
< Z_OL
100k
-45
½Z_OL½
10k
-90
1k
-135
100
-180
10
10k
100k
1M
10M
Frequency (Hz)
Figure 20.
100M
-225
1G
100M
10M
INPUT IMPEDANCE vs FREQUENCY
Disabled
1M
100k
Enabled
10k
1k
100
10k
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 22.
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.
Copyright © 2008, Texas Instruments Incorporated
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