5V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J
e
25
§
C, V
a
e
5V, V
b
e b
5V, V
CM
e
V
O
e
0V and R
L
l
1 M
X
.
Boldface
limits apply at the temperature extremes.
Symbol
Parameter
Conditions
(Note 5)
Typ
LM7121I
Limit
(Note 6)
Units
SR
Slew Rate
(Note 8)
A
V
e a
2, R
L
e
1 k
X
,
V
O
e
6 V
PP
520
V/
m
s
GBW
Unity Gain-Bandwidth
R
L
e
1 k
X
105
MHz
w
m
Phase Margin
R
L
e
1 k
X
74
Deg
f (
b
3 dB)
Bandwidth
(Notes 9, 10)
R
L
e
100
X
, A
V
e a
1
160
MHz
R
L
e
100
X
, A
V
e a
2
50
t
s
Settling Time
5 V
PP
Step, to 0.1%,
R
L
e
500
X
65
ns
t
r
, t
f
Rise and Fall Time
(Note 10)
A
V
e a
2, R
L
e
100
X
,
V
O
e
0.4 V
PP
5.8
ns
A
D
Differential Gain
A
V
e a
2, R
L
e
150
X
0.3
%
w
D
Differential Phase
A
V
e a
2, R
L
e
150
X
0.65
Deg
0
Hz
e
n
Input-Referred
Voltage Noise
f
e
10 kHz
17
nV
i
n
Input-Referred
Current Noise
f
e
10 kHz
2
pA
0
Hz
T.H.D.
Total Harmonic Distortion
2 V
PP
Output, R
L
e
150
X
,
A
V
e a
2, f
e
1 MHz
0.1
%
2 V
PP
Output, R
L
e
150
X
,
A
V
e a
2, f
e
5 MHz
0.6
a
5V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J
e
25
§
C, V
a
e a
5V, V
b
e
0V, V
CM
e
V
O
e
V
a
/2 and R
L
l
1 M
X
.
Boldface
limits apply at the temperature extremes.
Symbol
Parameter
Conditions
(Note 5)
Typ
LM7121I
Limit
(Note 6)
Units
V
OS
Input Offset Voltage
2.4
mV
I
B
Input Bias Current
4
m
A
I
OS
Input Offset Current
0.04
m
A
R
IN
Input Resistance
Common Mode
2.6
M
X
Differential Mode
3.4
M
X
C
IN
Input Capacitance
Common Mode
2.3
pF
CMRR
Common Mode
Rejection Ratio
2V
s
V
CM
s
3V
65
dB
a
PSRR
Positive Power Supply
Rejection Ratio
4.6V
s
V
a
s
5V
85
dB
b
PSRR
Negative Power Supply
Rejection Ratio
0V
s
V
b
s
0.4V
61
dB
V
CM
Input Common-Mode
Voltage Range
CMRR
t
45 dB
3.5
V
min
1.5
V
max
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