Symbol
Parameter
Conditions
Min
(Note 6)
Typ
(Note 5)
Max
(Note 6)
Units
V
OUT
Output Voltage Swing High
R
L
= 10 k
Ω
to V
+
/2
4
50
75
mV from
either rail
R
L
= 2 k
Ω
to V
+
/2
13
50
75
Output Voltage Swing Low
R
L
= 10 k
Ω
to V
+
/2
6
50
75
R
L
= 2 k
Ω
to V
+
/2
9
50
75
I
OUT
Output Current
Sourcing, V
OUT
= V
+
/2
V
IN
(diff) = 100 mV
22
12
31
mA
Sinking, V
OUT
= V
+
/2
V
IN
(diff) = −100 mV
15
10
44
I
S
Supply Current
(Per Channel)
V
CM
= 2.0V
2.0
2.7
3.4
mA
V
CM
= 0.5V
2.3
3.1
3.9
SR
Slew Rate
A
V
= +1, C
L
= 10 pF, R
L
= 10 k
Ω
to V
+
/2,
V
O
= 2 V
PP
2.4
V/
μ
s
GBW
Gain Bandwidth
C
L
= 20 pF, R
L
= 10 k
Ω
to V
+
/2
21
MHz
G
M
Gain Margin
C
L
= 20 pF, R
L
= 10 k
Ω
to V
+
/2
14
dB
Φ
M
Phase Margin
C
L
= 20 pF, R
L
= 10 k
Ω
to V
+
/2
60
deg
R
IN
Input Resistance
Differential Mode
38
k
Ω
Common Mode
151
M
Ω
THD+N
Total Harmonic Dist Noise
A
V
= 1, f = 1 kHz, Amplitude = 1V
0.002
%
e
n
Input Referred Voltage Noise Density
f = 1 kHz, V
CM
= 2.0V
3
nV/
f = 1 kHz, V
CM
= 0.5V
3
Input Voltage Noise
0.1 Hz to 10 Hz
75
nV
PP
i
n
Input Referred Current Noise Density
f = 1 kHz, V
CM
= 2.0V
1.1
pA/
f = 1 kHz, V
CM
= 0.5V
2.3
3.3V Electrical Characteristics
(Note 4)
Unless otherwise specified, all limits are guaranteed for T
A
= 25°C, V
+
= 3.3V, V
−
= 0V, V
CM
= V
+
/2, R
L
> 10 k
Ω
to V
+
/2. Bold-
face
limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min
(Note 6)
Typ
(Note 5)
Max
(Note 6)
Units
V
OS
Input Offset Voltage
(Note 7)
V
CM
= 2.5V
±6
±500
±600
μ
V
V
CM
= 0.5V
±6
±500
±600
TCV
OS
Input Offset Voltage Temperature Drift
V
CM
= 2.5V
±0.5
±5.5
μ
V/°C
V
CM
= 0.5V
±0.2
±5.5
I
B
Input Bias Current
V
CM
= 2.5V
±1.5
±30
±45
nA
V
CM
= 0.5V
±13
±50
±77
I
OS
Input Offset Current
V
CM
= 2.5V
±1
±50
±70
nA
V
CM
= 0.5V
±11
±60
±80
3
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LMP7731
