Symbol
Parameter
Conditions
Min
(Note 6)
Typ
(Note 5)
Max
(Note 6)
Units
TCI
OS
Input Offset Current Drift
V
CM
= 0.5V and V
CM
= 2.5V
0.048
nA/°C
CMRR
Common Mode Rejection Ratio
0.15V
≤
V
CM
≤
0.7V
0.23V
≤
V
CM
≤
0.7V
101
89
120
dB
1.5V
≤
V
CM
≤
3.15V
1.5V
≤
V
CM
≤
3.07V
105
99
130
PSRR
Power Supply Rejection Ratio
2.5V
≤
V
+
≤
5.0V
111
105
129
dB
1.8V
≤
V
+
≤
5.5V
117
CMVR
Common Mode Voltage Range
Large Signal CMRR
≥
80 dB
0
3.3
V
A
VOL
Open Loop Voltage Gain
R
L
= 10 k
Ω
to V
+
/2
V
OUT
= 0.5V to 2.8V
112
104
130
dB
R
L
= 2 k
Ω
to V
+
/2
V
OUT
= 0.5V to 2.8V
110
92
119
V
OUT
Output Voltage Swing High
R
L
= 10 k
Ω
to V
+
/2
5
50
75
mV from
either rail
R
L
= 2 k
Ω
to V
+
/2
14
50
75
Output Voltage Swing Low
R
L
= 10 k
Ω
to V
+
/2
9
50
75
R
L
= 2 k
Ω
to V
+
/2
13
50
75
I
OUT
Output Current
Sourcing, V
OUT
= V+/2
V
IN
(diff) = 100 mV
28
22
45
mA
Sinking, V
OUT
= V+/2
V
IN
(diff) = -100 mV
25
20
48
I
S
Supply Current
(Per Channel)
V
CM
= 2.5V
2.1
2.8
3.5
mA
V
CM
= 0.5V
2.4
3.2
4.0
SR
Slew Rate
A
V
= +1, C
L
= 10 pF, R
L
= 10 k
Ω
to V
+
/2,
V
OUT
= 2 V
PP
2.4
V/
μ
s
GBW
Gain Bandwidth
C
L
= 20 pF, R
L
= 10 k
Ω
to V
+
/2
22
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
62
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
= 2.5V
2.9
nV/
f = 1 kHz, V
CM
= 0.5V
2.9
Input Voltage Noise
0.1 Hz to 10 Hz
65
nV
PP
i
n
Input Referred Current Noise Density
f = 1 kHz, V
CM
= 2.5V
1.1
pA/
f = 1 kHz, V
CM
= 0.5V
2.1
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LMP7731
