Datasheet > LT1229M

LT1229M

更新时间： 2024-09-26 22:34:23

品牌	Logo	应用领域
凌特 - Linear		放大器
页数	文件大小	规格书
12页	293K
描述
Dual and Quad 100MHz Current Feedback Amplifiers

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中文翻译

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数据手册

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LT1229M 数据手册

LT1229/LT1230

Dual and Quad 100MHz

Current Feedback Amplifiers

DESCRIPTIO

EATURE

■

100MHz Bandwidth

1000V/µs Slew Rate

Low Cost

The LT1229/LT1230 dual and quad 100MHz current feed-

back amplifiers are designed for maximum performance

in small packages. Using industry standard pinouts, the

dual is available in the 8-pin miniDIP and the 8-pin SO

package while the quad is in the 14-pin DIP and 14-pin SO.

The amplifiers are designed to operate on almost any

available supply voltage from 4V (±2V) to 30V (±15V).

30mA Output Drive Current

0.04% Differential Gain

0.1° Differential Phase

High Input Impedance: 25MΩ, 3pF

Wide Supply Range: ±2V to ±15V

Low Supply Current: 6mA Per Amplifier

Inputs Common Mode to Within 1.5V of Supplies

Outputs Swing Within 0.8V of Supplies

These current feedback amplifiers have very high input

impedance and make excellent buffer amplifiers. They

maintain their wide bandwidth for almost all closed-loop

voltage gains. The amplifiers drive over 30mA of output

current and are optimized to drive low impedance loads,

such as cables, with excellent linearity at high frequencies.

O U

PPLICATI

■

Video Instrumentation Amplifiers

Cable Drivers

The LT1229/LT1230 are manufactured on Linear

Technology’sproprietarycomplementarybipolarprocess.

For a single amplifier like these see the LT1227 and for

better DC accuracy see the LT1223.

RGB Amplifiers

Test Equipment Amplifiers

TYPICAL APPLICATI

Loop Through Amplifier Frequency

Response

Video Loop Through Amplifier

187Ω

3.01k

750Ω

NORMAL SIGNAL

–10

–20

–30

–

1/2

LT1229

1/2

LT1229

OUT

–

3.01k

–40

1% RESISTORS

WORST CASE CMRR = 22dB

TYPICALLY = 38dB

COMMON-MODE SIGNAL

12.1k

–50

–60

= G (V

– V

–

)

OUT

10 100

1k 10k 100k 1M 10M 100M

= R

BNC INPUTS

= (G – 1) R

FREQUENCY (Hz)

LT1229 • TA02

G – 1

HIGH INPUT RESISTANCE DOES NOT LOAD CABLE EVEN

WHEN POWER IS OFF

TRIM CMRR WITH R

LT1229 • TA01

12 3 4 5 6 7...12

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