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LTC1992-2CMS8

更新时间： 2024-01-17 11:06:41

品牌	Logo	应用领域
凌特 - Linear		驱动器放大器
页数	文件大小	规格书
40页	509K
描述
Low Power, Fully Differential Input/Output Amplifier/Driver Family

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LTC1992-2CMS8 数据手册

LTC1992 Family

Low Power, Fully Differential

Input/Output

Amplifier/Driver Family

FEATURES

DESCRIPTIO

The LTC^®1992 product family consists of five fully differ-

ential, low power amplifiers. The LTC1992 is an uncon-

strained fully differential amplifier. The LTC1992-1,

LTC1992-2, LTC1992-5 and LTC1992-10 are fixed gain

blocks (with gains of 1, 2, 5 and 10 respectively) featuring

precision on-chip resistors for accurate and ultrastable

gain. All of the LTC1992 parts have a separate internal

common mode feedback path for outstanding output

phase balancing and reduced second order harmonics.

The V_OCMpin sets the output common mode level inde-

pendent of the input common mode level. This feature

makes level shifting of signals easy.

■

Adjustable Gain and Fixed Gain Blocks of 1, 2, 5

and 10

■

±0.3% (Max) Gain Error from –40°C to 85°C

■

3.5ppm/°C Gain Temperature Coefficient

■

5ppm Gain Long Term Stability

■

Fully Differential Input and Output

■

C_LOADStable up to 10,000pF

■

Adjustable Output Common Mode Voltage

■

Rail-to-Rail Output Swing

■

Low Supply Current: 1mA (Max)

■

High Output Current: 10mA (Min)

■

Specified on a Single 2.7V to ±5V Supply

■

DC Offset Voltage <2.5mV (Max)

Available in 8-Lead MSOP Package

The amplifiers’ differential inputs operate with signals

ranging from rail-to-rail with a common mode level from

the negative supply up to 1.3V from the positive supply.

The differential input DC offset is typically 250µV. The rail-

to-rail outputs sink and source 10mA. The LTC1992 is

stable for all capacitive loads up to 10,000pF.

■

APPLICATIO S

■

Differential Driver/Receiver

■

Differential Amplification

The LTC1992 can be used in single supply applications

with supply voltages as low as 2.7V. It can also be used

with dual supplies up to ±5V. The LTC1992 is available in

an 8-pin MSOP package.

■

Single-Ended to Differential Conversion

Level Shifting

Trimmed Phase Response for Multichannel Systems

■

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

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

Single-Supply, Single-Ended to Differential Conversion

10k

2.5V

(5V/DIV)

10k

MID

–

–5V

+OUT

(2V/DIV)

–OUT

LTC1992

–5V

OCM

2.5V

10k

–

0.01µF

OUTPUT SIGNAL

FROM A

SINGLE-SUPPLY SYSTEM

INPUT SIGNAL

FROM A

±5V SYSTEM

10k

1992 TA01b

1992 TA01a

1992f

12 3 4 5 6 7...40

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