NJW1124 View Datasheet(PDF) - Japan Radio Corporation

Part Name

Description

MFG CO.

NJW1124

Voice Switched Speakerphone circuit

Japan Radio Corporation  

NJW1124

! MEASUREMENT CIRCUIT

S2

VIH

100

VIL

1 VREF2

2 MUT

3 NC

S4

V+

OPEN

1u

1k

100n

100n

4 CPT

5 TLO2

6 RLO2

TxIN

MCOUT

TxOUT

LINEIN

LINEOUT

1u

300k S5

0dB 1u

3k

40dB

100n

100n

7

8

300k

9

5.1k

10

5.1k

11

12

1u 5.1k

13

51k

47p

14

1.2k(RLL)

15

CT

M CI

M CO

TLI2

TLI1

TXO

LII

LIO-

LIO+

16 GND

S12

OPEN

V+

S13

OPEN

MON

RTSW

V REF

CPR

RLO1

RLMH

32

31

30

29

28

4.7k

RLML

100

1u

1u

1k

100n

4.7k

M ONOUT

S6

VIH

OPEN

VIL

Vref

S7

V+

OPEN

100n

TLO1 27

S8

0ohm

VLC 26

100k

100k

300k

FI 25

1u 0dB

3k

300k

40dB

S9

FO 24

5.1k

RLI1 23

100n

5.1k

RLI2 22

100n

RXO 21

RxIN

FilterOUT

RxOUT

NC 20

NC 19

NC 18

V+ 17

Icc

V+

1u

–6–

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