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LM7121IM5X 数据表(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM7121IM5X
功能描述  235 MHz Tiny Low Power Voltage Feedback Amplifier
PDF  19 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM7121IM5X 数据表(HTML) 4 Page - National Semiconductor (TI)

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±5V DC Electrical Characteristics (Continued)
Unless otherwise specified, all limits guaranteed for T
J = 25˚C, V
+ = 5V, V− = −5V, V
CM = VO = 0V and RL > 1MΩ. Bold-
face limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Typ
(Note 5)
LM7121I
Units
Limit
(Note 6)
C
IN
Input Capacitance
Common Mode
2.3
pF
CMRR
Common Mode
−2V
≤ V
CM ≤ 2V
75
65
dB
Rejection Ratio
60
min
+PSRR
Positive Power Supply
3V
≤ V+ ≤ 5V
89
65
dB
Rejection Ratio
60
min
−PSRR
Negative Power Supply
−5V
≤ V− ≤ −3V
78
65
dB
Rejection Ratio
60
min
V
CM
Input Common Mode
CMRR
≥ 60 dB
3
2.5
V
Voltage Range
min
−3
−2.5
V
max
A
V
Large Signal
R
L = 2kΩ,VO = 3VPP
66
60
dB
Voltage Gain
58
min
V
O
Output Swing
R
L = 2kΩ
3.62
3.0
V
2.75
min
−3.62
−3.0
V
−2.70
max
R
L = 150Ω
3.1
2.5
V
2.3
min
−2.8
−2.15
V
−2.00
max
I
SC
Output Short Circuit
Sourcing
53
38
mA
Current
33
min
Sinking
29
21
mA
19
min
I
S
Supply Current
5.1
6.4
mA
7.2
max
±5V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J = 25˚C, V
+ = 5V, V− = −5V, V
CM = VO = 0V and RL > 1MΩ. Bold-
face limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Typ
(Note 5)
LM7121I
Units
Limit
(Note 6)
SR
Slew Rate
A
V = +2, RL = 1kΩ,
520
V/µs
(Note 8)
V
O = 6VPP
GBW
Unity Gain-Bandwidth
R
L = 1kΩ
105
MHz
φ
m
Phase Margin
R
L = 1kΩ
74
Deg
f (−3 dB)
Bandwidth
R
L = 100Ω,AV = +1
160
MHz
(Notes 9, 10)
R
L = 100Ω,AV = +2
50
t
s
Settling Time
5 V
PP Step, to 0.1%,65
ns
R
L = 500Ω
t
r,tf
Rise and Fall Time
A
V = +2, RL = 100Ω,
5.8
ns
(Note 10)
V
O = 0.4 VPP
A
D
Differential Gain
A
V = +2, RL = 150Ω
0.3
%
www.national.com
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