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NJM2702D

更新时间：2024-09-18 06:43:17

品牌：NJRC

描述：3D SURROUND AUDIO PROCESSOR

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NJM2702D 概述

3D SURROUND AUDIO PROCESSOR 3D环绕声音频处理器其他商用集成电路

NJM2702D 规格参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	DIP
包装说明：	DIP, DIP14,.3	针数：	14
Reach Compliance Code：	compliant	HTS代码：	8542.39.00.01
风险等级：	5.6	Is Samacsys：	N
商用集成电路类型：	CONSUMER CIRCUIT	JESD-30 代码：	R-PDIP-T14
JESD-609代码：	e6	长度：	19 mm
功能数量：	1	端子数量：	14
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	DIP
封装等效代码：	DIP14,.3	封装形状：	RECTANGULAR
封装形式：	IN-LINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	12 V	认证状态：	Not Qualified
座面最大高度：	4.7 mm	子类别：	Other Consumer ICs
最大压摆率：	9 mA	最大供电电压 (Vsup)：	13 V
最小供电电压 (Vsup)：	4.7 V	表面贴装：	NO
技术：	BIPOLAR	温度等级：	INDUSTRIAL
端子面层：	TIN BISMUTH	端子形式：	THROUGH-HOLE
端子节距：	2.54 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	7.62 mm
Base Number Matches：	1

NJM2702D 数据手册

通过下载NJM2702D数据手册来全面了解它。这个PDF文档包含了所有必要的细节，如产品概述、功能特性、引脚定义、引脚排列图等信息。

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NJM2702

3D SURROUND AUDIO PROCESSOR

■ GENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJM2702 is a 3D surround audio processor

regenerating the 3D surround sound with only two

speakers.

The NJM2702 is suitable for audio applications, which are

speaker system for mini components, CD radio cassette,

multimedia speaker systems, TV and others.

NJM2702D

NJM2702M

■ FEATURES

■ Operating Voltage

■ Stereo mode

• Stable center image with natural sound field

• High quality Surround

(4.7 to 13V)

NJM2702V

• Free speaker interval

■ Surround control

■ Internal Mode Control Switch

■ Bipolar Technology

■ Package Outline

DIP14, DMP14, SSOP10

■ BLOCK DIAGRAM

LOUT

LIN

FILTER

ROUT

RIN

Bypass

STEREO MODE

- 1 -

NJM2702

■ABSOLUTE MAXIMUM RATING (Ta=25°C)

PARAMETER

Supply Voltage

SYMBOL

V⁺

RATINGS

UNIT

(DIP14)

500

Power Dissipation

P_D

(DMP14) 350

(SSOP10) 250

Operating Temperature Range

Storage Temperature Range

T_opr

T_stg

-40 to +85

°C

-40 to +125

■OPERATING VOLTAGE

PARAMETER SYMBOL

TEST CONDITION

MIN.

4.7

TYP. MAX.

12.0 13.0

UNIT

Operating

V+

Voltage

■ELECTRICAL CHARACTERISTICS (V+=12V,Ta=25°C unless otherwise specified)

TEST CONDITION

PARAMETER SYMBOL

MIN.

TYP. MAX.

UNIT

INPUT

OUTPUT

MODE

Operating

Current

I_CC

BYPASS

Stereo

3.0

6.0

9.0

No Signal

MAX

■AC CHARACTERISTICS

(V+=12V,Ta=25°C, V_IN=-10dBV(316mVrms), f=1kHz,RL=4.7kΩ, unless otherwise specified)

TEST CONDITION

PARAMETER SYMBOL

MIN.

TYP. MAX.

UNIT

INPUT

OUTPUT

MODE

Maximum

V_IM

9.9

(3.1)

11.9

f=1kHz

T.H.D.=3%

V_IN

BYPASS

Input Voltage

(3.9)

dBV

(Vrms)

-3.8

(0.6)

-1.8

f=100Hz

T.H.D.=3%

V_IN

MAX

Stereo

BYPASS

Stereo

(0.8)

Output Noise

V_NO

Rg=0

Ω

-112

(2.5)

-106

(5.0)

A-Weighted

dBV

(µVrms)

Rg=0

Ω

-100

(10)

-94

(20)

MAX

A-Weighted

Total

Harmonic

Distortion

T.H.D

V_IN

BYPASS

Stereo

MAX

0.005 0.01

f=1kHz

V_IN

f=1kHz

Vin=-20dBV

0.1

0.0

0.5

1.0

Bypass Gain

G_VBYP

V_IN

f=1kHz

BYPASS

-1.0

- 2 -

NJM2702

■AC CHARACTERISTICS

(V+=12V,Ta=25°C, V_IN=-10dBV(316mVrms), f=1kHz,RL=4.7kΩ, unless otherwise specified)

TEST CONDITION

PARAMETER SYMBOL

MIN.

TYP. MAX.

UNIT

INPUT

OUTPUT

MODE

Stereo

Surround Gain

G_VSUR

f=100Hz

Vin=-20dBV

V_IN

MAX

10.7

8.4

12.7

10.4

5.6

14.7

12.4

7.6

f=100Hz

V_IN

MAX

MIN

Stereo

Vin=-20dBV V_IN

f=100Hz

Vin=-20dBV

V_IN

3.6

■CONTROL CHARACTERISTICS (V+=12V,Ta=25°C unless otherwise specified)

TEST CONDITION

PARAMETER SYMBOL

INPUT

MIN.

TYP. MAX.

UNIT

OUTPUT

MODE

V =

High Level

2.0

0.0

V+

Mode Select

Control

Voltage

V_MODE

V =

0.7

LowLevel

■MODE SWITCH

MODE

NOTES

Input Through

Surround Mode (Stereo Input)

BYPASS

Stereo

- 3 -

NJM2702

■TERMINAL DESCRIPTION

PIN NO.

SYMBOL

FUNCTION

EQUIVALENT CIRCUIT

VOLTAGE

DIP14

SSOP10

DMP14

V+

31.6K

400

FIL

Filter Input

V+/2

Test pin

V+

VOL

Surround VR

V+/2

V+

Reference Voltage

Input

VREFIN

V+/2

- 4 -

NJM2702

PIN NO.

SYMBOL

FUNCTION

EQUIVALENT CIRCUIT

VOLTAGE

DIP14

SSOP10

DMP14

V+

Power Supply

V+

GND

V+

Mode Control Switch

700

V+

ROUT

LOUT

Rch Output

Lch Output

V+/2

- 5 -

NJM2702

PIN NO.

SYMBOL

FUNCTION

EQUIVALENT CIRCUIT

VOLTAGE

DIP14

SSOP10

DMP14

V+

RIN

LIN

Rch Input

Lch Input

V+/2

700

VREF

- 6 -

NJM2702

■APPLICATION CIRCUIT

50K

50KB

10uF/50V

Surround VR

Parts No.

Value

10kΩ

Tolerance

Parts No.

Value

1µF

Tolerance

20%

C2,C5,C6,C7,C8,C9

0.0047

20%

100

µF

20%

- 7 -

NJM2702

■TYPICAL CHARACTERISTICS

Supply Current vs Supply Voltage

Supply Current vs Ambient Temperature

V+=12V

V+=1 to 18V Ta=25degrees

5.5

STEREO

BYPASS

STEREO

BYPASS

4.5

-60

-40

-20

100

Ambient Temperature [degrees]

Supply Voltage [V]

Maximum Input Voltage vs Supply Voltage

(BYPASS)

Vin=Lch Vout=Lch f=1KHz RL=47Kohm

Rg=25ohm Ta=25degrees

(STEREO)

Vin=Lch Vout=Lch f=100Hz RL=47Kohm

Rg=25ohm Ta=25degrees

-5

-10

-15

-20

-5

Supply Voltage [V]

Output Noise vs Ambient Temperature

V+=12V Vin=GND Vout=Lch

Output Noise vs Ambient Temperature

V+=12V Vin=GND Vout=Rch

-90

-95

-90

-95

STEREO

-100

-105

-110

-115

-120

-100

-105

-110

-115

-120

BYPASS

-60

-40

-20

100

-60

-40

-20

100

Ambient Temperature [degrees]

Ambient Temperature [deg]

- 8 -

NJM2702

■TYPICAL CHARACTERISTICS

Total Harmonic Distortion vs Input Voltage

(BYPASS)

V+=12V f=100Hz RL=47Kohm

Rg=25ohm BW=10 to 80KHz

(BYPASS)

V+=12V f=1KHz RL=47Kohm

Rg=25ohm BW=10 to 80KHz

Ta=85deg

Ta=25deg

Ta=-40deg

Ta=85deg

Ta=25deg

0.1

Ta=-40deg

0.01

0.001

0.01

0.001

-50

-40

-30

-20

-10

-50

-40

-30

-20

-10

Input Voltage [dBV]

Total Harmonic Distortion vs Input Voltage

(STEREO)

V+=12V f=100Hz RL=47Kohm

Rg=25ohm BW=10 to 80KHz

(STEREO)

V+=12V f=1KHz RL=47Kohm

Rg=25ohm BW=10 to 80KHz

Ta=85deg

Ta=25deg

Ta=85deg

Ta=25deg

Ta=-40deg

0.1

0.01

-50

0.01

-50

-40

-30

-20

-10

-40

-30

-20

-10

Input Voltage [dBV]

Voltage Gain vs Frequency Response

(BYPASS)

V+=12V Vin=-10dBV Rch Vout=Rch

RL=47Kohm Rg=25ohm

(BYPASS)

V+=12V Vin=-10dBV Lch Vout=Lch

RL=47Kohm Rg=25ohm

Ta=-40deg

Ta=25deg

Ta=85deg

Ta=25deg

Ta=85deg

-1

-2

-3

-1

-2

-3

10⁴

10⁵

100

1000

10⁴

10⁵

100

1000

Frequency [Hz]

- 9 -

NJM2702

■TYPICAL CHARACTERISTICS

Voltage Gain vs Frequency Response

(STEREO)

V+=12V Vin=-20dBV Lch Vout=Lch

RL=47Kohm Rg=25ohm

(STEREO)

V+=12V Vin=-20dBV Lch Vout=Rch

RL=47Kohm Rg=25ohm

Ta=-40deg

Ta=25deg

Ta=85deg

Ta=-40deg.

Ta=25deg.

Ta=85deg.

-5

-10

-15

-20

-2

10⁴

10⁵

100

1000

10⁴

10⁵

100

1000

Frequency [Hz]

Voltage Gain vs SW Control Voltage

DC Offset Voltage vs Ambient Temperature

V+=12V Vout=Lch

V+=12V Vin=-10dBV Lch f=100Hz Vout=Lch

BYPASS --> STEREO

6.1

6.05

BYPASS

Ta=85deg.

STEREO

Ta=25deg.

Ta=-40deg.

5.95

5.9

-2

0.5

1.5

2.5

-60

-40

-20

100

Ambient Temperature [degrees]

Control Voltage [V]

DC Offset Voltage vs Ambient Temperature

V+=12V Vout=Rch

6.1

6.05

STEREO

BYPASS

5.95

[CAUTION]

5.9

-60

-40

-20

100

The specifications on this databook are only

given for information , without any guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including

the industrial rights.

Ambient Temperature [degrees]

- 10 -

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