Datasheet

V
+
1
2
3
4
5
6
7
8
N/C
-IN
+IN
V
-
OUT
N/C
N/C
+
-
OUT
V
-
+IN
V
+
-IN
+
-
1
2
3
5
4
LMP7731
SNOSAT6E –JULY 2007–REVISED MARCH 2013 www.ti.com
5V Electrical Characteristics
(1)
(continued)
Unless otherwise specified, all limits are ensured for T
A
= 25°C, V
+
= 5V, V
−
= 0V, V
CM
= V
+
/2, R
L
> 10 kΩ to V
+
/2. Boldface
limits apply at the temperature extremes.
Parameter Test Conditions Min
(2)
Typ
(3)
Max
(2)
Units
50
R
L
= 10 kΩ to V
+
/2 8
75
Output Voltage Swing High
50
R
L
= 2 kΩ to V
+
/2 24
75
mV from
V
OUT
either rail
50
R
L
= 10 kΩ to V
+
/2 9
75
Output Voltage Swing Low
50
R
L
= 2 kΩ to V
+
/2 23
75
Sourcing, V
OUT
= V+/2 33
47
V
IN
(diff) = 100 mV 27
I
OUT
Output Current mA
Sinking, V
OUT
= V+/2 30
49
V
IN
(diff) = -100 mV 25
3.0
V
CM
= 4.5V 2.2
3.7
Supply Current
I
S
mA
(Per Channel)
3.4
V
CM
= 0.5V 2.5
4.2
A
V
= +1, C
L
= 10 pF, R
L
= 10 kΩ to
SR Slew Rate V
+
/2, 2.4 V/μs
V
OUT
= 2 V
PP
GBW Gain Bandwidth C
L
= 20 pF, R
L
= 10 kΩ to V
+
/2 22 MHz
G
M
Gain Margin C
L
= 20 pF, R
L
= 10 kΩ to V
+
/2 12 dB
Φ
M
Phase Margin C
L
= 20 pF, R
L
= 10 kΩ to V
+
/2 65 deg
Differential Mode 38 kΩ
R
IN
Input Resistance
Common Mode 151 MΩ
THD+N Total Harmonic Distortion + Noise A
V
= 1, f = 1 kHz, Amplitude = 1V 0.001 %
f = 1 kHz, V
CM
= 4.5V 2.9
Input Referred Voltage Noise
nV/√Hz
Density
e
n
f = 1 kHz, V
CM
= 0.5V 2.9
Input Voltage Noise 0.1 Hz to 10 Hz 78 nV
PP
f = 1 kHz, V
CM
= 4.5V 1.1
Input Referred Current Noise
i
n
pA/√Hz
Density
f = 1 kHz, V
CM
= 0.5V 2.2
Connection Diagrams
Figure 3. 5-Pin SOT-23 Figure 4. 8-Pin SOIC
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