LTC6943IGN datasheet(1/16 Pages) LINER

No de pièce	LTC6943IGN

Description	Micropower, Dual Precision Instrumentation Switched Capacitor Building Block

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Fabricant	LINER [Linear Technology]

Site Internet	http://www.linear.com

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LTC6943

1

6943f

■ Low Power, IS = 60µA(Max)

■ Robust, Latch Up Proof

■ Instrumentation Front End with 120dB CMRR

■ Precise, Charge-Balanced Switching

■ Operates from 5V to 18V

■ Internal or External Clock

■ Operates up to 5MHz Clock Rate

■ Two Independent Sections with One Clock

■ Tiny SSOP-16 Package

The LTC

®6943 is a monolithic, charge-balanced, dual

switched capacitor instrumentation building block. A pair

of switches alternately connects an external capacitor to

an input voltage and then connects the charged capacitor

across an output port. The internal switches have a

break-before-make action. An internal clock is provided

and its frequency can be adjusted with an external

capacitor. The LTC6943 can also be driven with an external

CMOS clock.

The LTC6943, when used with low clock frequencies,

provides ultra precision DC functions without requiring

precise external components. Such functions are

differential voltage to single-ended conversion, voltage

inversion, voltage multiplication and division by 2, 3, 4, 5,

etc.

The LTC6943 is manufactured using Linear Technology’s

enhanced LTCMOS

TM silicon gate process, and it is func-

tionally compatible with the LTC1043.

Micropower, Dual Precision

Instrumentation Switched

Capacitor Building Block

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

DESCRIPTIO

■ Ultra Precision Voltage Inverters, Multipliers

and Dividers

■ V–F and F–V Converters

■ Sample-and-Hold

■ Current Sources

■ Precision Instrumentation Amplifiers

Precision Voltage Controlled Current Source

with Ground Referred Input and Output

Precision Current Sensing in Supply Rails

TYPICAL APPLICATIO

LTCMOS is a trademark of Linear Technology Corporation.

FEATURES

APPLICATIO S

6943 • TA01a

1µF

0.68µF

1k

1µF

1/2 LTC6943

6

11

15

5

4

3

2

1

–

+

LTC2050

3

12

14

0.001µF

10

9

7

5V

INPUT

0V TO 3.7V

IOUT =

VIN

1000Ω

OPERATES FROM A

SINGLE 5V SUPPLY

6943 • TA01b

0.01µF

9

POSITIVE OR

NEGATIVE RAIL

10

11

6

1µF

RSHUNT

I

1/2 LTC6943

12

7

14

15

1µF

E

RSHUNT

I =

Numéro de pièce similaire - LTC6943IGN

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