NJM2750

-1 -

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

IN1a

IN2a

IN3a

IN4a

IN1b

IN2b

IN3b

IN4b

Vref

V+

GND

CNT1

CNT2

OUTa

OUTb

(N.C.)

LOGIC

bias

V+

4 INPUT / 1 OUTPUT STEREO AUDIO SELECTOR

s

GENERAL DESCRIPTION

s

PACKAGE OUTLINE

The NJM2750 is 4 Input / 1 Output Stereo Audio Selector.

Based on the internal Switch OP-AMP technology, the

NJM2750 has lower Output Noise, lower Distortion and

higher Channel Separation than the ordinary Multiplexers or

Analogue Switches.

The NJM2750 is suitable for any kinds of audio

equipments, such as TV, Car Stereo, Mini-Compo and so

on.

s

FEATURES

q

Operating Voltage

(4.7 to 13V)

q

4 Input / 1 Output Audio Selectors

q

Dual Channel for Stereo Use

q

Low Output Noise

(-110dBV typ.)

q

Low Distortion

(0.005% typ.)

q

Bipolar Technology

q

Package Outline

(DMP16)

s

BLOCK DIAGRAM

s

PIN CONFIGURATION

NJM2750M

PIN No.

SYMBOL

FUNCTION

1

IN1a

Ach INPUT SELECTOR

2

CNT1

CONTROL 1

3

IN2a

Ach INPUT SELECTOR 2

4

CNT2

CONTROL 2

5

IN4a

Ach INPUT SELECTOR 4

6

IN1b

Bch INPUT SELECTOR 1

7

IN2b

Bch INPUT SELECTOR 2

8

IN4b

Bch INPUT SELECTOR 4

9

IN3b

Bch INPUT SELECTOR 3

10

(N.C.)

NO CONNECT

11

OUTb

Bch OUTPUT

12

Vref

REFERENCE VOLTAGE

13

IN3a

Ach INPUT SELECTOR 3

14

V+

POWER SUPPLY

15

OUTa

Ach OUTPUT

16

GND

GROUND