L3916A datasheet(9/15 Pages) STMICROELECTRONICS

Part #	L3916A

Description	SPEECH AND 14 MEMORY DIALER WITH LED DRIVER

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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9 / 15 page

2.25K

470nF

22nF

GDTMF

22

23

VDD

IDD

VLN

6

PULSE

470K

VDD

3.58MHz

5

OSC

7

MODE

SW2

PULSE

TONE

/PT

100K

8

HKS

9

SW1

GND

10

RXOUT

11

GRX

100K

RGRX

10

µF

300

Ω

Re

13

IREF

3.6K

14

VCC

100

µF

12

RGIN

620

Ω

V1

ICC

100nF

4

3

2

1

C4

C3

C2

C1

28

27

26

25

R1

R2

R3

R4

24

R5

E1 E2 E3 MEM

* 0#

789

456

123

P/LND

PROG

FLASH

21

MIC+

20

MIC-

2.2K

1

µF

1

µF

RGTX 68K

GTX

19

4.7

µF

18

REG

RA

17

16

15

ILED

LN

LED

ILINE

RB

130K

390

Ω

20

Ω

390

Ω

3.9K

D95TL162

100

µF

600

Ω

IL

ICC =

V1

VCC

RDTMF

TEST CIRCUITS

Figure 3.

2.25K

470nF

22nF

GDTMF

22

23

VDD

IMR

6

PULSE

470K

3.58MHz

5

OSC

7

MODE

SW2

PULSE

TONE

/PT

100K

8

HKS

9

SW1

GND

10

RXOUT

11

GRX

RGRX

10

µF

300

Ω

Re

13

IREF

3.6K

14

VCC

100

µF

12

RGIN

620

Ω

100nF

4

3

2

1

C4

C3

C2

C1

28

27

26

25

R1

R2

R3

R4

24

R5

E1 E2 E3

MEM

* 0#

78

9

45

6

12

3

P/LND

PROG

FLASH

21

MIC+

20

MIC-

2.2K

1

µF

1

µF

RGTX

GTX

19

4.7

µF

18

REG

17

16

15

ILED

LN

LED

ILINE

130K

390

Ω

20

Ω

390

Ω

3.9K

D95TL163

VMR

Figure 4.

L3916A - L3926A - L3936A

9/15

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