MSM7577MS-K 데이터 시트보기 (PDF) - Oki Electric Industry

부품명

상세내역

일치하는 목록

MSM7577MS-K

Voice Signal Level Control LSI

Oki Electric Industry 

¡ Semiconductor

MSM7577

PIN DESCRIPTION

Pin No.

1

Name I/O

TAUD

O

2

AN2

I

3

PD

1

4

RCV2

O

5

RCV1

O

6

NC

—

7

RAUD

I

8

GND

—

9

ATT0

10

ATT1

I

11

ATT2

Description

Output pin of transmitting voice.

Receive voice input.

Gain control should be connected by a resistor between AN2 pin RCV2 pin.

Power down control.

H : Power down

L : Power on

Output pin of receiving voice.

Gain control should be connected by a resistor between AN2 and RCV2 pin.

RCV2 signal is opposite phase to RCV1 signal.

Receive voice input.

RCV1 signal is opposite phase to RCV2 signal.

No Connection.

Receive voice input.

Ground (0 V).

Volume control.

ATT2

0

0

0

0

1

1

1

1

ATT1

0

0

1

1

0

0

1

1

ATT0

0

1

0

1

0

1

0

1

Loss level (dB)

0 ±0.3

–2 ±0.3

–4 ±0.3

–7 ±0.3

–10 ±0.3

–13 ±0.3

–16 ±0.3

–19 ±0.3

Mute signal input.

12

ATTE

I

H : Mute mode

L : Operating mode

Gain control and frequency responce control.

13

AN3

I

Gain control should be controlled by a resistor between AN3 and AO3.

14

MIC

I

Input pin of Microphone signal.

Gain control and frequency responce control.

15

AO3

O

Gain control should be controlled by a resistor between AN3 and AO3.

16

VDD

—

Power supply (+3 V).

3/8

Share Link: