參數(shù)資料
型號: LM7121
廠商: National Semiconductor Corporation
英文描述: 235 MHz Tiny Low Power Voltage Feedback Amplifier
中文描述: 235兆赫微型低功耗電壓反饋放大器
文件頁數(shù): 2/19頁
文件大?。?/td> 666K
代理商: LM7121
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Differential Input Voltage (Note 7)
Voltage at Input/Output Pin
Supply Voltage (V
+
–V
)
Output Short Circuit to Ground
(Note 3)
Lead Temperature
(soldering, 10 sec)
2000V
±
2V
(V
+
)1.4V, (V
)+1.4V
36V
Continuous
260C
260C
Storage Temperature Range
Junction Temperature (Note 4)
65C to +150C
150C
Operating Ratings
(Note 1)
Supply Voltage: SO-8
4.5V
V
S
33V
4.5V
V
S
11V
40C
T
J
+85C
SOT23-5
Junction Temperature Range
Thermal Resistance (
θ
JA
)
M Package, 8-pin Surface Mount
SOT23-5 Package
165C/W
325C/W
±
15V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J
= 25C, V
+
= +15V, V
= 15V, V
CM
= V
O
= 0V and R
L
>
1 M
.
Boldface
limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Typ
(Note 5)
LM7121I
Limit
(Note 6)
8
15
9.5
12
4.3
7
Units
V
OS
Input Offset Voltage
0.9
mV
max
μA
max
μA
max
M
M
pF
dB
min
dB
min
dB
min
V
min
V
max
dB
min
V
min
V
max
V
min
V
max
mA
min
mA
min
I
B
Input Bias Current
5.2
I
OS
Input Offset Current
0.04
R
IN
Input Resistance
Common Mode
Differential Mode
Common Mode
10V
V
CM
10V
10
3.4
2.3
93
C
IN
CMRR
Input Capacitance
Common Mode
Rejection Ratio
Positive Power Supply
Rejection Ratio
Negative Power Supply
Rejection Ratio
Input Common-Mode
Voltage Range
73
70
70
68
68
65
11
+PSRR
10V
V
+
15V
86
PSRR
15V
V
10V
81
V
CM
CMRR
70 dB
13
13
11
A
V
Large Signal
Voltage Gain
Output Swing
R
L
= 2 k
, V
O
= 20 V
PP
72
65
57
11.1
10.8
11.2
11.0
7.75
7.0
5.0
4.8
54
44
39
34
V
O
R
L
= 2 k
13.4
13.4
R
L
= 150
10.2
7.0
I
SC
Output Short Circuit
Current
Sourcing
71
Sinking
52
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