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參數(shù)資料
| 型號： | LM2468 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Monolothic Triple 14nS High Gain CRT Driver |
| 中文描述： | Monolothic三14nS高增益CRT顯示器驅(qū)動 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大小： | 432K |
| 代理商： | LM2468 |
Absolute Maximum Ratings
(Notes 1, 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, V
CC
Bias Voltage, V
BB
Input Voltage, V
IN
Storage Temperature Range, T
STG
Lead Temperature (Soldering,
<
10sec.)
ESD Tolerance, Human Body Model
Electrical Characteristics
(See Figure 3 for Test Circuit)
Unless otherwise noted: V
CC
= +80V, V
BB
= +12V, C
L
= 8pF, T
C
= 50C.
DC Tests: V
IN
= +2.25VDC
AC Tests: Output = 40V
PP
(25V - 65V) at 1MHz
Symbol
Spec Parameter
I
CC
Supply Current
+90V
+16V
0V to 4.5V
-65C to +150C
300C
2kV
Limits of Operating Ranges
(Note 2)
V
CC
V
BB
V
IN
V
OUT
Case Temperature
Do not operate the part without a heat sink.
+60V to +85V
+8V to 15V
0V to +3.75V
+15V to +75V
-20C to +115C
Conditions
Min
Typ
Max
Units
Three Channels, No Input Signal,
No Output Load
All three Channels
No AC Input Signal, V
IN
= 1.25V
No AC Input Signal
Note 4, No AC Input Signal
Note 4, 5, No AC Input Signal
Note 6, 10% to 90%
Note 6, 90% to 10%
Note 6
18
25
mA
I
BB
V
OUT
A
V
A
V
LE
t
R
t
F
OS
Bias Current
DC Output Voltage
DC Voltage Gain
Gain Matching
Linearity Error
Rise Time
Fall Time
Overshoot
14
65
-20
1.0
5
14
14
1
20
68
-22
mA
V
DC
62
-18
dB
%
nS
nS
%
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
Note 2:
Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and
the test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may
change when the device is not operated under the listed test conditions.
Note 3:
All voltages are measured with respect to GND, unless otherwise specified.
Note 4:
Calculated value from Voltage Gain test on each channel.
Note 5:
Linearity Error is the variation in DC Gain from V
in
= 1.0 volts to V
in
= 3.5 volts.
Note 6:
Input from signal generator: t
R
, t
F
<
1nS.
AC Test Circuit
DS200135-3
Note 7:
8 pF load includes parasitics and FET probe (if used).
Note 8:
The heatsink must be grounded.
Note 9:
Compensation Cap is chosen for good correlation to FET probe.
Note 10:
Input and output cables should be low loss 50
coax, less than 1M long.
FIGURE 3. Test Circuit (One Channel)
L
www.national.com
2
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