LT1319 데이터 시트보기 (PDF) - Linear Technology

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LT1319

Multiple Modulation Standard Infrared Receiver

Linear Technology 

W

BLOCK DIAGRA

LT1319

AN_GND

DS2

1

DS1

IPD IN

PHOTO-

DIODE

2

RL1

10k

RFB

15k

–

PREAMP

+

+ CF1

10nF

VBIAS

+1

FILT1

3

GM1

gm +

4k –

PREOUT

4

RF2

RF1

VBIAS

2k

1k

5

+ CB4

1μF LF1

100μH

CF3

100pF

CF4

2.2nF

FILTINL

6

FILT2L

7

+

FILTIN

8

CF2

1nF

+ A1

FILTER

BUFFER

–

RS5

20k

Q3

RS6

1k

Q2

Q4

VREG

RG1

1k

RG2

1k

VBIAS

+

A2

AV = 20

–

RL2

10k

+1

+

A3

AV = 20

–

gm +

4k –

GM2

+ A4

FILTER

BUFFER

–

RG3

1k

RG4

1k

VBIAS

+

A5

AV = 20

–

RL3

10k

+1

+

A6

AV = 20

–

GM3

gm +

4k –

NOTE: EXTERNAL COMPONENTS ARE SHOWN FOR AN IRDA AND SHARP/NEWTON DATA RECEIVER.

BYPASS

16

RS3

20k

CB3

10μF

RS4

20k

Q1

RC1

500Ω

RC2

500Ω

RS2

20k

VCC

15

CB1

RS1

SHDN

0.1μF

20k

14

RH1

50k

+

DATAL

COMP 1

13

–

LOW FREQUENCY

COMPARATOR

5V

CB2

10μF

DIG_GND

12

RC3

500Ω

RC4

500Ω

VTH

GEN

RSC

2k

VTH

11

RH2

50k

5V

RT1

30k

CT1

1μF

+

DATA

COMP 2

10

–

HIGH FREQUENCY

COMPARATOR

FILT2

9

CF5

1μF

LT1319 • BD

1319fb

5

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