參數(shù)資料
型號: LT1217
廠商: Linear Technology Corporation
英文描述: Low Power 10MHz Current Feedback Amplifier
中文描述: 低功耗10MHz的電流反饋放大器
文件頁數(shù): 1/8頁
文件大?。?/td> 239K
代理商: LT1217
1
LT1217
Low Power 10MHz
Current Feedback Amplifier
D
U
ESCRIPTIO
S
FEATURE
U
S
A
O
PPLICATI
The LT1217 is a 10MHz current feedback amplifier with DC
characteristics better than many voltage feedback ampli-
fiers. This versatile amplifier is fast, 280ns settling to 0.1%
for a 10V step thanks to its 500V/
μ
s slew rate. The LT1217
is manufactured on Linear Technology’s proprietary
complementary bipolar process resulting in a low 1mA
quiescent current. To reduce power dissipation further,
the LT1217 can be turned off, eliminating the load current
and dropping the supply current to 350
μ
A.
The LT1217 is excellent for driving cables and other low
impedance loads thanks to a minimum output drive cur-
rent of 50mA. Operating on any supplies from
±
5V to
±
15V
allows the LT1217 to be used in almost any system. Like
other current feedback amplifiers, the LT1217 has high
gain bandwidth at high gains. The bandwidth is over 1MHz
at a gain of 100.
The LT1217 comes in the industry standard pinout and
can upgrade the performance of many older products.
I
1mA Quiescent Current
I
50mA Output Current (Minimum)
I
10MHz Bandwidth
I
500V/
μ
s Slew Rate
I
280ns Settling Time to 0.1%
I
Wide Supply Range,
±
5V to
±
15V
I
1mV Input Offset Voltage
I
100nA Input Bias Current
I
100M
Input Resistance
I
Video Amplifiers
I
Buffers
I
IF and RF Amplification
I
Cable Drivers
I
8, 10, 12-Bit Data Acquisition Systems
U
A
O
PPLICATI
TYPICAL
Cable Driver
Voltage Gain vs Frequency
FREQUENCY (Hz)
100k
–20
A
10
40
50
60
1M
10M
100M
LT1217 TA02
–10
0
20
30
R
G
= 30
R
G
= 100
R
G
= 330
R
G
= 1.3k
R
G
=
V
S
=
±
15V
R
F
= 3k
R
L
= 100
V
IN
V
OUT
R
G
3k
R
F
3k
75
75
CABLE
75
LT1217
LT1217 TA01
A
V
= 1 +R
F
R
G
AT AMPLIFIER OUTPUT.
6dB LESS AT V
OUT
.
+
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