參數(shù)資料
型號： LT1227M
廠商： Linear Technology Corporation
英文描述： 140MHz Video Current Feedback Amplifier
中文描述： 140MHz的視頻電流反饋放大器
文件頁數(shù)： 3/12頁
文件大?。?/td> 326K
代理商： LT1227M
3
LT1227
ELECTRICAL C
HARA TERISTICS
V
CM
= 0,
±
5V
≤
V
S
≤
±
15V, pulse tested, unless otherwise noted.
SYMBOL
PSRR
PARAMETER
Power Supply Rejection Ratio
CONDITIONS
V
S
=
±
2V to
±
15V, T
A
= 25
°
C
V
S
=
±
3V to
±
15V
V
S
=
±
2V to
±
15V, T
A
= 25
°
C
V
S
=
±
3V to
±
15V
V
S
=
±
2V to
±
15V, T
A
= 25
°
C
V
S
=
±
3V to
±
15V
V
S
=
±
15V, V
OUT
=
±
10V, R
L
= 1k
V
S
=
±
5V, V
OUT
=
±
2V, R
L
= 150
V
S
=
±
15V, V
OUT
=
±
10V, R
L
= 1k
V
S
=
±
5V, V
OUT
=
±
2V, R
L
= 150
V
S
=
±
15V, R
L
= 400
, T
A
= 25
°
C
MIN
60
60
TYP
80
MAX
UNITS
dB
dB
G
Noninverting Input Current
Power Supply Rejection
Inverting Input Current
Power Supply Rejection
Large-Signal Voltage Gain
2
50
50
5
5
nA/V
nA/V
μ
A/V
μ
A/V
dB
dB
k
k
G
0.25
G
A
V
G
G
55
55
100
100
±
12
±
10
±
3
±
2.5
30
72
72
270
240
±
13.5
R
OL
Transresistance,
V
OUT
/
I
IN
–
G
G
V
OUT
Maximum Output Voltage Swing
V
V
V
V
G
V
S
=
±
5V, R
L
= 150
, T
A
= 25
°
C
±
3.7
G
I
OUT
I
S
Maximum Output Current
Supply Current (Note 2)
R
L
= 0
, T
A
= 25
°
C
V
S
=
±
15V, V
OUT
= 0V, T
A
= 25
°
C
60
10
mA
mA
mA
μ
A
μ
A
μ
A
μ
A
V/
μ
s
ns
MHz
ns
ns
15.0
17.5
300
500
300
10
G
Positive Supply Current, Shutdown
V
S
=
±
15V, Pin 8 Voltage = 0V, T
A
= 25
°
C
120
G
I
8
Shutdown Pin Current (Note 3)
Output Leakage Current, Shutdown
Slew Rate (Notes 4 and 5)
Rise and Fall Time, V
OUT
= 1V
P-P
Small-Signal Bandwidth
Small-Signal Rise and Fall Time
Propagation Delay
Small-Signal Overshoot
Settling Time
Differential Gain (Note 6)
V
S
=
±
15V
V
S
=
±
15V, Pin 8 Voltage = 0V, T
A
= 25
°
C
T
A
= 25
°
C
V
S
=
±
5V, R
F
= 1k, R
G
= 1k, R
L
= 150
V
S
=
±
15V, R
F
= 1k, R
G
= 1k, R
L
= 150
V
S
=
±
15V, R
F
= 1k, R
G
= 1k, R
L
= 100
V
S
=
±
15V, R
F
= 1k, R
G
= 1k, R
L
= 100
V
S
=
±
15V, R
F
= 1k, R
G
= 1k, R
L
= 100
0.1%, V
OUT
= 10V, R
F
= 1k, R
G
= 1k, R
L
= 1k
V
S
=
±
15V, R
F
= 1k, R
G
= 1k, R
L
= 150
V
S
=
±
15V, R
F
= 1k, R
G
= 1k, R
L
= 1k
V
S
=
±
15V, R
F
= 1k, R
G
= 1k, R
L
= 150
V
S
=
±
15V, R
F
= 1k, R
G
= 1k, R
L
= 1k
G
SR
t
r
, t
f
BW
t
r
, t
f
500
1100
8.7
140
3.3
3.4
5
50
0.014
0.010
0.010
0.013
%
ns
%
%
t
S
Differential Phase (Note 6)
DEG
DEG
The
G
denotes specifications which apply over the operating temperature
range.
Note 1:
A heat sink may be required depending on the power supply
voltage.
Note 2:
The supply current of the LT1227 has a negative temperature
coefficient. For more information, see Typical Performance Characteristics
curves.
Note 3:
Ramp pin 8 voltage down from 15V while measuring I
S
. When I
S
drops to less than 0.5mA, measure pin 8 current.
Note 4:
Slew rate is measured at
±
5V on a
±
10V output signal while
operating on
±
15V supplies with R
F
= 2k, R
G
= 220
and R
L
= 400
.
Note 5:
AC parameters are 100% tested on the ceramic and plastic DIP
package parts (J and N suffix) and are sample tested on every lot of the SO
packaged parts (S suffix).
Note 6:
NTSC composite video with an output level of 2V.
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