TDA7267A各脚功能电路原理芯片引脚定义引脚图及功能IC贸易商-中国IC网-芯三七

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产品型号TDA7267A的概述

TDA7267A芯片的概述 TDA7267A是一款高性能的立体声功率放大器芯片，主要用于音频放大应用。它具有良好的声信号质量，能够满足多种音频设备的需求，比如家庭影院、音响系统等。凭借其高效能、低功耗和易于使用的特性，使得TDA7267A在市场上得到了广泛应用。详细参数 TDA7267A的主要技术参数包括： 1. 供电电压(Vcc)：通常为12V至28V。 2. 输出功率：在14Ω负载条件下，典型输出功率为2 x 12W。对4Ω负载条件，输出功率可达到2 x 20W。 3. 总谐波失真(THD)：在额定输出功率时，THD小于0.1%。 4. 增益：增益通常设置为26dB。 5. 工作温度范围：-25°C至+85°C。 6. 保护功能：内部集成过温保护和短路保护功能。这些参数使得TDA7267A能够在多种工作条件下持续稳定地进行音频放大。厂家、包装与封装 TDA7267A芯片由意...

产品型号TDA7267A的Datasheet PDF文件预览

TDA7267A

3W MONO AMPLIFIER

CAN DELIVER 3W THD 10% 14.5V/8Ω

INTERNAL FIXED GAIN 32dB

NO FEEDBACK CAPACITOR

NO BOUCHEROT CELL

THERMAL PROTECTION

AC SHORT CIRCUIT PROTECTION

SVR CAPACITOR FOR BETTER RIPPLE

REJECTION

PowerDIP 8+8

LOW TURN-ON/OFF POP

STAND-BY MODE

ORDERING NUMBER:

TDA7267A

DESCRIPTION

The device TDA7267A is a new technology Mono

Audio Amplifier in PowerDIP package specifically

designed for TV application.

ration the device delivers a rail to rail voltage

swing without need of boostrap capacitors.

Thanks to the fully complementary output configu-

BLOCK DIAGRAM

V_S=14.5V

V_S

100µF

C1 0.1µF

C5 470µF

OUT

SVR

8Ω

47µF

9 to 16

S-GND

P-GND

D98AU827

1/7

June 1998

TDA7267A

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

V_S

I_O

Operating Supply Voltage

Output Put Peak Current

1.5

T_op

T_j

Operating Temperature Range

Junction Temperature

0 to 70

150

°C

T_stg

Storage Temperature Range

-40 to 125

PIN CONNECTION

(Top view)

V_S

OUT

SVR

P-GND

N.C.

S-GND

N.C.

D98AU829

Rth with "on Board" Square Heat Sink vs. Copper

Area

Example of heatsink using PC board copper

D98AU830

ON BOARD HEAT-SINK AREA (sq.cm)

2/7

TDA7267A

THERMAL DATA

Symbol

Parameter

Thermal Resistance Junction to ambient

Thermal Resistance Junction to case

Value

Unit

°C/W

R_{th j-amb}

R_{th j-case}

ELECTRICAL CHARACTERISTICS

specified.)

Ω

(T_amb= 25 C; V_S= 14.5V; R_L= 8 ; f = 1KHz; unless otherwise

Symbol

V_S

Parameter

Supply Voltage Range

Quiescent Current

Stand-By Current

Quiescent Output Voltage

Voltage Gain

Test Condition

Min.

Typ.

Max.

Unit

I_S

I_sb

Pin 3 shorted to GND

0.3

V_O

7.5

A_V

KΩ

R_IN

P_O

Input Impedance

Output Power

100

THD = 10%

P_O= 1W

2.7

THD

SVR

Distortion

0.1

0.3

Supply Voltage Rejection

_ripple= 150mVrms;

_ripple= 1KHz

E_I

Input Noise Voltage

Rg = 10KΩ; BW = 20Hz to 20KHz

µV

V_sb

Stand-By Enable Voltage

Figure 1. Application Circuit

V_S=14.5V

V_S

100µF

C1 0.1µF

C5 470µF

OUT

SVR

8Ω

9 to 16

P-GND

STAND-BY

47µF

S-GND

D98AU828

must be equal to: (150 - 70)/1.8 = 44.4 C/W.

APPLICATION HINTS:

Junction to pin thermal resistance of the package

is about 15 C/W. That means external heat sink

Ω

For 14.5V supply and 8 speaker application, its

maximum power dissipation is about 1.8W.

of about 30 C/W is required.

Assumming that max ambient temperature is

Cu ground plane of PCB can be used as heat dis-

sipating means.

70 C, the required thermal resistance of the de-

vice mounted on the PCB with a dissipating area

3/7

TDA7267A

Figure 2. PCB And Components Layout Of The Application Circuit of Figure 1

Components C2 and C6 must be ignored.

Figure 3. Distortion vs Output Power

Figure 4. Distortion vs Output Power

THD+N(%)

f = 1KHz

0.1

f = 10KHz

0.1

0.010

0.1

Pout(W)

Remark: all the characterization curves refer to the electrical test conditions.

4/7

TDA7267A

Figure 5. Distortion vs Output Power

Figure 6. Output Power vs Supply Voltage

Pout (W)

THD+N(%)

f = 1KHz

THD=10%

f = 1KHz

THD= 1%

f = 15KHz

0.1

0.010

4.000 6.000 8.000 10.00 12.00 14.00 16.00 18.00 20.00

0.1

Pout(W)

Vs(V)

Figure 7. Distortion vs Frequency

Figure 8. Quiescent current vs Supply Voltage

THD(%)

Iq(mA)

Pout = 1W

Vs = 14.5V

Rl = 8 Ohm

0.1

0.010

10 11 12 13 14 15 16 17 18

Vs(V)

100

f(Hz)

10k

20k

Figure 9. Power dissipation vs Output Power

Pd(W)

1.9

1.8

1.7

Vs = 14.5V

1.6

Rl = 8 Ohm

F = 1KH^z

1.5

1.4

1.3

0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0

Pout(W)

5/7

TDA7267A

POWERDIP 8+8 PACKAGE MECHANICAL DATA

inch

TYP.

DIM.

MIN.

0.51

0.77

TYP.

MAX.

MIN.

0.020

0.030

MAX.

1.65

0.065

0.5

0.020

0.010

0.25

0.787

8.5

2.54

17.78

0.335

0.100

0.700

7.1

5.1

0.280

0.201

3.3

0.130

1.27

0.050

6/7

TDA7267A

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences

of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is

granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are

subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products

are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.

The ST logo is a registered trademark of STMicroelectronics

STMicroelectronics GROUP OF COMPANIES

Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands -

Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.

7/7

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TDA7267A产品参数

型号:	TDA7267A
是否无铅：	不含铅
是否Rohs认证：	符合
生命周期：	Obsolete
IHS 制造商：	STMICROELECTRONICS
零件包装代码：	DIP
包装说明：	POWER, DIP-16
针数：	16
Reach Compliance Code：	unknown
ECCN代码：	EAR99
HTS代码：	8542.33.00.01
风险等级：	5.8
Samacsys Confidence：	3
Samacsys Status：	Released
Samacsys PartID：	2222083
Samacsys Pin Count：	16
Samacsys Part Category：	Integrated Circuit
Samacsys Package Category：	Dual-In-Line Packages
Samacsys Footprint Name：	TDA7267A
Samacsys Released Date：	2019-06-14 15:53:46
Is Samacsys：	N
商用集成电路类型：	AUDIO AMPLIFIER
谐波失真：	10%
JESD-30 代码：	R-PDIP-T16
JESD-609代码：	e4
信道数量：	1
功能数量：	1
端子数量：	16
最高工作温度：	70 °C
最低工作温度：
标称输出功率：	3 W
封装主体材料：	PLASTIC/EPOXY
封装代码：	DIP
封装等效代码：	DIP8,.3
封装形状：	RECTANGULAR
封装形式：	IN-LINE
峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified
座面最大高度：	5.1 mm
子类别：	Audio/Video Amplifiers
最大压摆率：	35 mA
最大供电电压 (Vsup)：	18 V
最小供电电压 (Vsup)：	5 V
表面贴装：	NO
技术：	BIPOLAR
温度等级：	COMMERCIAL
端子面层：	NICKEL PALLADIUM GOLD
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

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