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A/D 转换器 PowerPoint PPT Presentation


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A/D 转换器. 0808 0809 0816 0817. 7106 7107 7116 7117. 7135 14433. IN 3 IN 4 IN 5 IN 6 IN 7 START EOC 2 -5 输出选通 CLOCK 1 V CC REF (+) GND 2 -7. 28 27 26 25 24 23 22 21 20 19 18 17 16 15. 1 2 3 4 5 6 7 8 9 10 11 12 13 14. IN 2 IN 1 IN 0 ADDA

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A/D 转换器

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A d

A/D转换器

0808 0809 0816 0817

7106 7107 7116 7117

7135 14433


A d

IN3

IN4

IN5

IN6

IN7

START

EOC

2-5

输出选通

CLOCK1

VCC

REF(+)

GND

2-7

28

27

26

25

24

23

22

21

20

19

18

17

16

15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

IN2

IN1

IN0

ADDA

ADDB

ADDC

ALE

2-1MSB

2-2

2-3

2-4

2-8LSB

REF(-)

2-6

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

1N2

IN1

IN0

扩展控制

ADDA

ADDB

ADDC

ADDD

ALE

2-1 (MSB)

2-2

2-3

2-4

2-5

2-6

2-7

2-8( LSB)

REF-

CLOCK

输出选通

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

1N3

1N4

1N5

1N6

1N7

1N8

1N9

1N10

1N11

1N12

1N13

1N14

EOC

IN15

多路转换器输出

START

VCC

比较器输入

REF+

GND

4060

0808

0809

0816

0817

A/D转换器


A d

HLDR

D1

C1

B1

(UNITS) A1

F1

G1

E1

D2

C2

B2

(TENS) A2

F2

E2

D3

B3

(100’S) F3

E3

(1000)AB4

(MIMUS)POL

OSC1

OSC2

OSC3

TEST

REF HI

V+

CREF+

CREF-

COM

IN HI

IN LO

A/Z

BUFF

INT

V-

G2 (TENS)

C3

A3 (100’S)

G3

BP/GND

(7116/7117)

V+

D1

C1

B1

(UNITS) A1

F1

G1

E1

D2

C2

B2

(TENS) A2

F2

E2

D3

B3

(100’S) F3

E3

(1000)AB4

(MIMUS)POL

OSC1

OSC2

OSC3

TEST

REF HI

REF LO

CREF+

CREF-

COM

IN HI

IN LO

A/Z

BUFF

INT

V-

G2 (TENS)

C3

A3 (100’S)

G3

BP/GND

(7106/7107)

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

7116

7117

7106

7107

A/D转换器


A d

V

VREF

AGND

INTOUT

AZIN

BUFOUT

CREF-

CREF+

INLO

INHI

V+

(MSB)D5

(LSB) B1

B2

28

27

26

25

24

23

22

21

20

19

18

17

16

15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

UNDER RANGE

OVER RANGE

STORBE

R/H

DGND

POL

CLOCK IN

BUSY

D1(MSB)

D2

D3

D4

B8 (MSB)

B4

VDD

Q3

Q2

Q1

Q0

DS1

DS2

DS3

DS4

OR

EOC

VSS

24

23

22

21

20

19

18

17

16

15

14

13

1

2

3

4

5

6

7

8

9

10

11

12

VAC

VR

VX

RI

RI/CI

CI

C01

C02

DU

CLKI

CLKO

VEE

4060

4060

7135

14433

A/D转换器


A d

D/A转换器

0832

7520

7521


A d

VCC

ILE

WR2

XFER

D4

D5

D6

D7

IOUT2

IOUT1

20

19

18

17

16

15

14

13

12

11

1

2

3

4

5

6

7

8

9

10

CS

WR1

AGND

D3

D2

D1

D0

VREF

RFB

DGND

RFEEDBACK

VREFIN

VDD(+)

BIT.10

BIT.9

BIT.8

BIT.7

BIT.6

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

IOUT2

IOUT1

GND

BIT.1

BIT.2

BIT.3

BIT.4

BIT.5

4060

7520

0832

D/A转换器


A d

18

17

16

15

14

13

12

11

10

1

2

3

4

5

6

7

8

9

RFEEDBACK

VREF IN

VDD(+)(5~15V)

BIT.12

BIT.11

BIT.10

BIT.9

BIT.8

BIT.7

IOUT2

IOUT1

GND

BIT.1

BIT.2

BIT.3

BIT.4

BIT.5

BIT.6

7521

D/A转换器


A d

其它电路

555 556

4046


A d

VCC

C

TH

CO

8

7

6

5

1

2

3

4

14

13

12

11

10

9

8

1C

1TH

1CO

1 RD

1OUT

1TR GND

VCC

2C

2TH

2CO

2 RD

2OUT

2TR

1

2

3

4

5

6

7

GND

TR

OUT

RD

555

556

集成定时器


A d

VDD

稳压输出(+6V)

信号输入

PC2OUT

R2

R1

SFOUT

VCO控制

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

锁定状态指示

PC1OUT

相位比较输入

输出VCO

禁止振荡

C1a

C1b

VSS

4046

锁相环路


A d

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