參數(shù)資料
型號: LM7121IM5X
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 運(yùn)動控制電子
英文描述: 235 MHz Tiny Low Power Voltage Feedback Amplifier
中文描述: OP-AMP, 15000 uV OFFSET-MAX, 105 MHz BAND WIDTH, PDSO5
封裝: PLASTIC, SOT-23, 5 PIN
文件頁數(shù): 6/19頁
文件大?。?/td> 666K
代理商: LM7121IM5X
+5V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J
= 25C, V
+
= +5V, V
= 0V, V
CM
= V
O
= V
+
/2 and R
L
>
1 M
.
Bold-
face
limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Typ
(Note 5)
LM7121I
Limit
(Note 6)
Units
SR
Slew Rate
(Note 8)
Unity Gain-Bandwidth
Phase Margin
Bandwidth
(Notes 9, 10)
Rise and Fall Time
(Note 10)
Total Harmonic Distortion
A
V
= +2, R
L
= 1 k
to
V
+
/2, V
O
= 1.8 V
PP
R
L
= 1k, to V
+
/2
R
L
= 1k to V
+
/2
R
L
= 100
to V
+
/2, A
V
= +1
R
L
= 100
to V
+
/2, A
V
= +2
A
V
= +2, R
L
= 100
,
V
O
= 0.2 V
PP
0.6 V
PP
Output, R
L
= 150
,
A
V
= +2, f = 1 MHz
0.6 V
PP
Output, R
L
= 150
,
A
V
= +2, f = 5 MHz
145
V/μs
GBW
φ
m
f (3 dB)
80
70
200
45
8
MHz
Deg
MHz
t
r
, t
f
ns
T.H.D.
0.067
%
0.33
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is in-
tended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.
Note 2:
Human body model, 1.5 k
in series with 100 pF.
Note 3:
Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in exceeding the
maximum allowed junction temperature of 150C.
Note 4:
The maximum power dissipation is a function of T
,
θ
, and T
. The maximum allowable power dissipation at any ambient temperature is P
D
=
(T
J(max)
–T
A
)/
θ
JA
. All numbers apply for packages soldered directly into a PC board.
Note 5:
Typical Values represent the most likely parametric norm.
Note 6:
All limits are guaranteed by testing or statistical analysis.
Note 7:
Differential input voltage is measured at V
S
=
±
15V.
Note 8:
Slew rate is the average of the rising and fallng slew rates.
Note 9:
Unity gain operation for
±
5V and
±
15V supplies is with a feedback network of 510
and 3 pF in parallel (see the Application Information section). For +5V
single supply operation, feedback is a direct short from the output to the inverting input.
Note 10:
A
V
= +2 operation with 2 k
resistors and 2 pF capacitor from summing node to ground.
Typical Performance Characteristics
T
A
= 25C, R
L
= 1 M
. unless otherwise specified
Supply Current vs
Supply Voltage
DS012348-66
Supply Current vs
Temperature
DS012348-67
Input Offset Voltage
vs Temperature
DS012348-68
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