TDA7451 데이터 시트보기 (PDF) - STMicroelectronics

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TDA7451

4x7W OR 2x22W CAR RADIO POWER AMPLIFIER PLUS TRIPLE POWER SUPPLY

STMicroelectronics 

TDA7451

ELECTRICAL CHARACTERISTICS (Refer to the test circuit; VS = 14.4V; RL = 4Ω, Tamb = 25°C,

f = 1kHz, unless otherwise specified)

Symbol

Parameter

GENERAL

Iq

VSB IN

VSB OUT

IST-BY

Total Quiescent Current

ST-BY IN Threshold Voltage

ST-BY OUT Threshold Voltage

Stand-by Current Consumption

AUDIO SECTION

PO

Output Power

Po EIAJ

EIAJ Output Power (**)

Po max. Max. Output Power (**)

d

Distortion

CT

Cross Talk

RIN

Input Impedance

GV

Voltage Gain

GV

BW

ENO

SVR

ASB

IPIN 8

AM

VM IN

VM OUT

ICD

Voltage Gain Match.

Bandwidth

Output Noise Voltage (*)

Supply Voltage Rejection

Stand-by Attenuation

ST-BY Pin Current

MUTE Attenuation

MUTE IN Threshold Voltage

MUTE OUT Threshold Voltage

Clipping Detector Current

(Pull up to 5V with 10KΩ)

POWER SUPPLY SECTION

VO1

Output Voltages

∆VO1

Load Regulation 1

ILO1

Current Limit

∆VO1

Dropout Voltages

SVR

Ripple Rejection

∆VO1

Line Regulation 1

RESET

Reset On

Reset Off

Reset Hyst

Vout on Reset

Low VREG1 Reset On Threshold

Low VREG1 Reset Off Threshold

Reset Threshold Hysteresis vs

Reg 1

Reset Output Voltage

(*) 22Hz to 22KHz

Test Condition

Min.

IL01, IL02, IL03 = 5mA

3.5

IL01 = 2mA

RL = 4Ω; THD = 10%

Bridge

19

Single Ended

6

VS = 13.7V

Bridge

26

Single Ended

7.5

VS = 14.4V

Bridge

30

Single Ended

8

RL = 4Ω;

Single Ended, PO = 0.1 to 3W

Bridge, PO = 0.1 to 8W

f = 1kHz; Rg = 0

50

f = 10kHz; Rg = 0

Single Ended

70

Bridge

35

Single Ended

19

Bridge

25

-3dB

100

Rg = 0; Single Ended

Rg = 0; f = 100Hz; Single Ended 48

90

Play mode; Vpin8 = 5V

-10

80

3.5

CDoff: Pomin = 3.5W

CDon: THD = 5%

50

I01 = 5mA

I01 = 5 to 150mA

V01 = 0V

I01 = 150mA

Vripple = 1Vpp; I01 = 50mA

f = 100Hz

f = 10KHz

VS = 8 to 18V; IO1 = 5mA

4.85

250

60

50

3.5

Reset activated

R(Reset to VReg1) ≥ 15K

Typ.

80

22

7

28

8.5

32

9.5

0.04

0.06

60

55

100

50

20

26

100

55

100

90

190

5

350

10

4.0

4.25

250

Max.

150

1.5

0.5

0.3

0.3

130

65

21

27

1

30

1.5

5

280

5.15

80

600

700

40

4.7

500

1.5

Unit

mA

V

V

mA

W

W

W

W

W

W

%

%

dB

dB

KΩ

KΩ

dB

dB

dB

KHz

µV

dB

dB

µA

dB

V

V

µA

µA

V

mV

mA

mV

dB

dB

mV

V

V

mV

V

4/9

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