LT1223CN8 Просмотр технического описания (PDF) - Linear Technology

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LT1223CN8

100MHz Current Feedback Amplifier

Linear Technology 

FEATURES

■ 100MHz Bandwidth at AV = 1

■ 1000V/µs Slew Rate

■ Wide Supply Range: ±5V to ±15V

■ 1mV Input Offset Voltage

■ 1µA Input Bias Current

■ 5MΩ Input Resistance

■ 75ns Settling Time to 0.1%

■ 50mA Output Current

■ 6mA Quiescent Current

■ Available in 8-Lead Plastic DIP and SO Packages

U

APPLICATIO S

■ Video Amplifiers

■ Buffers

■ IF and RF Amplification

■ Cable Drivers

■ 8-, 10-, 12-Bit Data Acquisition Systems

TYPICAL APPLICATIO

Video Cable Driver

V IN

+

LT1223

–

RF

1k

RG

1k

75Ω

75Ω

CABLE

VOUT

75Ω

A

V

=

1

+

RF

RG

AT AMPLIFIER OUTPUT

6dB LESS AT VOUT

LT1223 • TA02

LT1223

100MHz Current

Feedback Amplifier

DESCRIPTIO

The LT®1223 is a 100MHz current feedback amplifier with

very good DC characteristics. The LT1223’s high slew

rate, 1000V/µs, 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.

, LTC and LT are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Voltage Gain vs Frequency

60

100MHz GAIN

50

BANDWIDTH

RG = 10

40

RG = 33

30

RG = 110

20

RG = 470

10

RG = ∞

0

+

–

1k

RG

–10

–20

100k

1M

10M

100M

1G

FREQUENCY (Hz)

LT1223 • TPC01

1223fb

1

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