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參數(shù)資料
| 型號： | LM6321M |
| 英文描述： | IC-SM-HIGH SPEED BUFFER |
| 中文描述： | 集成電路釤高速緩沖 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 208K |
| 代理商： | LM6321M |
AC Electrical Characteristics
The following specifications apply for Supply Voltage
e
g
15V, V
CM
e
0, R
L
t
100 k
X
and R
S
e
50
X
unless otherwise noted.
Boldface
limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
; all other limits T
A
e
T
J
e
25
§
C.
Symbol
Parameter
Conditions
Typ
LM6121
LM6221
LM6321
Units
Limit
(Note 5)
Limit
(Note 5)
Limit
(Note 5)
SR
1
Slew Rate 1
V
IN
e
g
11V, R
L
e
1 k
X
1200
550
550
550
V/
m
s
Min
SR
2
Slew Rate 2
V
IN
e
g
11V, R
L
e
50
X
(Note 7)
800
550
550
550
SR
3
Slew Rate 3
V
IN
e
2 V
PP
, R
L
e
50
X
V
a
e
5V (Note 6)
50
550
550
550
BW
b
3 dB Bandwidth
V
IN
e
g
100 mV
PP
, R
L
e
50
X
C
L
s
10 pF
50
30
30
30
MHz
Min
t
r
, t
f
Rise Time
Fall Time
R
L
e
50
X
, C
L
s
10 pF
V
O
e
100 mV
PP
7.0
ns
t
pd
Propagation
Delay Time
R
L
e
50
X
, C
L
s
10 pF
V
O
e
100 mV
PP
4.0
ns
O
S
Overshoot
R
L
e
50
X
, C
L
s
10 pF
V
O
e
100 mV
PP
10
%
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating
the device beyond its rated operating conditions.
Note 2:
During current limit or thermal limit, the input current will increase if the input to output differential voltage exceeds 8V. For input to output differential
voltages in excess of 8V the input current should be limited to
g
20 mA.
Note 3:
The LM6121 series buffers contain current limit and thermal shutdown to protect against fault conditions.
Note 4:
The thermal resistance
i
JA
of the device in the N package is measured when soldered directly to a printed circuit board, and the heat-sinking pins (pins 1,
4, 5 and 8) are connected to 2 square inches of 2 oz. copper. When installed in a socket, the thermal resistance
i
JA
of the N package is 84
§
C/W. The thermal
resistance
i
JA
of the device in the M package is measured when soldered directly to a printed circuit board, and the heat-sinking pins (pins 1, 2, 6, 7, 8, 9, 13, 14)
are connected to 1 square inch of 2 oz. copper.
Note 5:
Limits are guaranteed by testing or correlation.
Note 6:
The input is biased to 2.5V and V
IN
swings V
pp
about this value. The input swing is 2 V
pp
at all temperatures except for the A
V
3 test at
b
55
§
C where it is
reduced to 1.5 V
pp
.
Note 7:
Slew rate is measured with a
g
11V input pulse and 50
X
source impedance at 25
§
C. Since voltage gain is typically 0.9 driving a 50
X
load, the output swing
will be approximately
g
10V. Slew rate is calculated for transitions between
g
5V levels on both rising and falling edges. A high speed measurement is done to
minimize device heating. For slew rate versus junction temperature see typical performance curves. The input pulse amplitude should be reduced to
g
10V for
measurements at temperature extremes. For accurate measurements, the input slew rate should be at least 1700 V/
m
s.
Note 8:
The test circuit consists of the human body model of 120 pF in series with 1500
X
.
Note 9:
For specification limits over the full Military Temperature Range, see RETS6121X.
Note 10:
The maximum power dissipation is a function of T
J(max)
,
i
JA
, and T
A
. The maximum allowable power dissipation at any ambient temperature is P
D
e
(T
J(max)
–T
A
)/
i
JA
.
3
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