OPA1611
OPA1612
www.ti.com........................................................................................................................................................ SBOS450A –JULY 2009–REVISED AUGUST 2009
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS = ±15V, and RL = 2kΩ, unless otherwise noted.
CHANNEL SEPARATION vs FREQUENCY
CMRR AND PSRR vs FREQUENCY (Referred to Input)
-80
-90
160
VS = ±15V
VOUT = 3.5VRMS
140
-PSRR
-100
-110
-120
-130
-140
-150
-160
-170
-180
G = +1
RL = 600W
120
+PSRR
100
CMRR
80
60
40
20
0
RL = 2kW
RL = 5kW
10
100
1k
10k
100k
1
10
100
1k
10k 100k
1M
10M 100M
Frequency (Hz)
Frequency (Hz)
Figure 13.
Figure 14.
SMALL-SIGNAL STEP RESPONSE
(100mV)
SMALL-SIGNAL STEP RESPONSE
(100mV)
G = +1
CL = 50pF
G = -1
CL = 50pF
CF = 5.6pF
+15V
OPA1611
-15V
RI = 2kW RF = 2kW
+15V
OPA1611
RL
CL
CL
-15V
Time (01.ms/div)
Time (0.1ms/div)
Figure 15.
Figure 16.
LARGE-SIGNAL STEP RESPONSE
LARGE-SIGNAL STEP RESPONSE
G = +1
CL = 50pF
G = -1
CL = 50pF
RL = 2kW
RF = 0W
RL = 2kW
RF = 75W
See Applications Information,
Input Protection section
Time (0.5ms/div)
Time (0.5ms/div)
Figure 17.
Figure 18.
Copyright © 2009, Texas Instruments Incorporated
7
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