LT1223CN8 Linear Technology Corporation, LT1223CN8 Datasheet

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LT1223CN8

Manufacturer Part Number
LT1223CN8
Description
Manufacturer
Linear Technology Corporation
Datasheet

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FEATURE
A
TYPICAL
PPLICATI
100MHz Bandwidth at A
1000V/ s Slew Rate
Wide Supply Range: 5V to 15V
1mV Input Offset Voltage
1 A Input Bias Current
5M Input Resistance
75ns Settling Time to 0.1%
50mA Output Current
6mA Quiescent Current
Video Amplifiers
Buffers
IF and RF Amplification
Cable Drivers
8-, 10-, 12-Bit Data Acquisition Systems
V
IN
A
S
A = 1 +
AT AMPLIFIER OUTPUT.
6dB LESS AT V
R
1k
V
O
PPLICATI
G
+
U
R
R
LT1223
G
Video Cable Driver
F
S
R
1k
F
OUT
V
.
= 1
O
U
75
75
75
CABLE
LT1223 • TA02
V
OUT
D
The LT1223 is a 100MHz current feedback amplifier with
very good DC characteristics. The LT1223’s high slew
rate, 1000V/ s, wide supply range, 15V, and large output
drive, 50mA, make it ideal for driving analog signals over
double- terminated cables. The current feedback amplifier
has high gain bandwidth at high gains, unlike conventional
op amps.
The LT1223 comes in the industry standard pinout and
can upgrade the performance of many older products.
The LT1223 is manufactured on Linear Technology’s
proprietary complementary bipolar process.
ESCRIPTIO
–10
–20
60
50
40
30
20
10
0
100k
R
R
R
R
R
G
G
G
G
G
= 10
= 33
= 110
= 470
=
Voltage Gain vs Frequency
Feedback Amplifier
1M
U
100MHz GAIN
BANDWIDTH
FREQUENCY (Hz)
100MHz Current
10M
100M
R
LT1223 • TPC01
+
G
1k
1G
LT1223
1

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LT1223CN8 Summary of contents

Page 1

FEATURE S 100MHz Bandwidth 1000V/ s Slew Rate Wide Supply Range 15V 1mV Input Offset Voltage 1 A Input Bias Current 5M Input Resistance 75ns Settling Time to 0.1% 50mA Output Current 6mA ...

Page 2

... OUT OUT Pin 8 Current = 200 ORDER PART TOP VIEW NUMBER 8 SHUTDOWN + 7 V LT1223MJ8 6 OUT LT1223CJ8 5 NULL LT1223CN8 LT1223CS8 N8 PACKAGE 8-LEAD PLASTIC DIP S8 PART MARKING LT1223 • POI01 1223 = 100 C/W(J8 100 C/W(N8 150 C/W(S8) JA LT1223M/C MIN TYP MAX 3.3 2 1.5 10 ...

Page 3

ELECTRICAL C HARA TERISTICS C SYMBOL PARAMETER V Input Offset Voltage Noninverting Input Current IN I – Inverting Input Current IN R Input Resistance IN Input Voltage Range CMRR Common-Mode Rejection Ratio Inverting Input Current Common-Mode Rejection ...

Page 4

LT1223 W U TYPICAL PERFOR A Supply Current vs Supply Voltage (Operating 125°C 8 25°C 6 –55° SUPPLY VOLTAGE ( V) ...

Page 5

W U TYPICAL PERFOR A –3dB Bandwidth vs Feedback Resistor 100 100 ; V = 15V CAPACITIVE LOAD ...

Page 6

LT1223 W U TYPICAL PERFOR A CE Voltage Gain and Phase vs Frequency 15V GAIN 100 PHASE –5 R ...

Page 7

PPLICATI S I FOR ATIO The curve on the first page shows the LT1223 voltage gain versus frequency while driving 100 , for five gain settings from 1 to 100. The feedback resistor is a constant ...

Page 8

LT1223 PPLICATI S I FOR ATIO Shutdown Pin 8 activates a shutdown control function. Pulling more than 200 A from pin 8 drops the supply current to less than 3mA, and puts the output into a ...

Page 9

PPLICATI S I FOR ATIO A have about 2.5mV thermal tail on a 10V step. Unfortu- nately, reducing the input signal and increasing the gain always results in a thermal tail of about the same amount for ...

Page 10

LT1223 PPLICATI S I FOR ATIO Summing Amplifier (DC Accurate) The summing amplifier is easily made by adding additional inputs to the basic inverting amplifier configuration. The LT1223 has no I spec because there is no ...

Page 11

... 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. 150mA Output Current Video Amp ...

Page 12

... MAX 0.400 (10.160) MAX 0.250 ± 0.010 (6.350 ± 0.254 MIN 0.189 – 0.197 (4.801 – 5.004 0.228 – 0.244 (5.791 – 6.197) (3.810 – 3.988 LT/GP 1092 5K REV A LINEAR TECHNOLOGY CORPORATION 1992 J8 0392 N8 0392 0.150 – 0.157 SO8 0392 ...

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