Datasheet

OutputImpedance( )W
10k
1k
100
10
1
0.1
1
Frequency(Hz)
1k100 10k 100k 1M10
I =0A
O
I =400 Am
O
I =2mA
O
InputBiasCurrent( A)m
50
40
30
20
10
0
10
20
30
40
50
-
-
-
-
-
-1V
InputDifferentialVoltage(mV)
-400-600 -200 0 400200 600 1V-800
800
NormalOperatingRange
(seethe
sectioninthe
ApplicationsInformation)
InputDifferential
Voltage
Over-DrivenConditionOver-DrivenCondition
1k
Overshoot(%)
Frequency(Hz)
10k 100k 1G
-160
140
120
100
80
60
40
20
0
-
-
-
-
-
-
-
1M 10M 100M
OPA378
OPA2378
www.ti.com SBOS417D –JANUARY 2008–REVISED OCTOBER 2009
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, R
L
= 10kΩ, V
S
= +5.5V and V
OUT
= V
S
/2, unless otherwise noted.
INPUT BIAS CURRENT vs
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY INPUT DIFFERENTIAL VOLTAGE
Figure 23. Figure 24.
OPA2378 CHANNEL SEPARATION
Figure 25.
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