LT1217CN8 Linear Technology Corporation, LT1217CN8 Datasheet

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LT1217CN8

Manufacturer Part Number
LT1217CN8
Description
Manufacturer
Linear Technology Corporation
Datasheet

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FEATURE
A
TYPICAL
PPLICATI
1mA Quiescent Current
50mA Output Current (Minimum)
10MHz Bandwidth
500V/ s Slew Rate
280ns Settling Time to 0.1%
Wide Supply Range, 5V to 15V
1mV Input Offset Voltage
100nA Input Bias Current
100M Input Resistance
Video Amplifiers
Buffers
IF and RF Amplification
Cable Drivers
8, 10, 12-Bit Data Acquisition Systems
V
IN
A
AT AMPLIFIER OUTPUT.
6dB LESS AT V
V
R
3k
A
S
G
= 1 +
O
PPLICATI
+
R
R
LT1217
G
F
U
R
3k
F
S
OUT
Cable Driver
.
O
75
U
75
LT1217 • TA01
75
CABLE
V
OUT
D
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/ 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 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.
Current Feedback Amplifier
ESCRIPTIO
–10
–20
60
50
40
30
20
10
0
100k
Voltage Gain vs Frequency
R
R
R
R
R
G
G
G
G
G
U
= 30
= 100
= 330
= 1.3k
=
Low Power 10MHz
1M
FREQUENCY (Hz)
10M
V
R
R
S
F
L
= 15V
= 3k
= 100
LT1217 • TA02
100M
LT1217
1

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LT1217CN8 Summary of contents

Page 1

FEATURE S 1mA Quiescent Current 50mA Output Current (Minimum) 10MHz Bandwidth 500V/ s Slew Rate 280ns Settling Time to 0.1% Wide Supply Range 15V 1mV Input Offset Voltage 100nA Input Bias Current 100M Input Resistance ...

Page 2

... Pin 8 Current = 50 A Note 2: Non-Inverting operation, V Note 3: AC parameters are 100% tested on the plastic DIP packaged parts (N suffix), and are sample tested on every lot of the SO packaged parts (S suffix ORDER PART NUMBER 8 SHUTDOWN + LT1217CN8 OUT LT1217CS8 5 NULL S8 PART MARKING S8 PACKAGE 8-LEAD PLASTIC SOIC 1217 LT1217 • ...

Page 3

W U TYPICAL PERFOR A Voltage Gain and Phase vs Frequency, Gain = 6dB 8 PHASE 7 6 GAIN 15V 100 L – –2 0.01 ...

Page 4

LT1217 W U TYPICAL PERFOR A Maximum Capacitive Load vs Feedback Resistor 10000 PEAKING 5dB 1000 15V S 100 ...

Page 5

W U TYPICAL PERFOR A Settling Time to 10mV vs Output Step 15V INVERTING 4 2 NON-INVERTING 0 NON-INVERTING –2 –4 –6 INVERTING –8 – ...

Page 6

LT1217 PPLICATI S I FOR ATIO care to minimize the stray capacitance between the output and the inverting input. Capacitance on the inverting input to ground will cause peaking in the frequency response (and overshoot in ...

Page 7

... Settling to 1mV of final value takes less than 500ns. Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. W ...

Page 8

... N8 1291 0.189 – 0.197 (4.801 – 5.004 0.004 – 0.010 (0.102 – 0.254) 0.228 – 0.244 0.150 – 0.157 (5.791 – 6.198) (3.810 – 3.988 BA/GP 0192 10K REV 0 LINEAR TECHNOLOGY CORPORATION 1992 S8 1291 ...

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