TDA7466 datasheet(3/21 Pages) STMICROELECTRONICS

Numer części	TDA7466

Szczegółowy opis	DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER

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THERMAL DATA

Symbol

Description

Value

Unit

Rth j-pins

Thermal Resistance Junction-pins

Ma x.

85

°C/W

QUICK REFERENCE DATA

Symbol

Parameter

Min.

Typ.

Max.

Unit

VS

Supply Voltage

7

9

10.2

V

VCL

Max. input signal handling

2

Vrms

THD

Total Harmonic Distortion V = 1Vrms f = 1KHz

0.01

0.1

%

S/N

Signal to Noise Ratio V out = 1Vrms (mode = OFF)

106

dB

SC

Channel Separation f = 1KHz

90

dB

Input Attenuation Control (0.5dB)

-31.5

0

dB

Treble Control

(2db step)

-14

+14

dB

Middle Control (2db step)

-14

+14

dB

Bass Control (2dB step)

-14

+14

dB

Balance Control

1dB step (LCH, RCH)

-79

0

dB

Mute Attenuation

100

dB

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VS

Operating Supply Voltage

11

V

Tamb

Operating Ambient Temperature

-10 to 85

°C

Tstg

Storage Temperature Range

-55 to +150

°C

ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb =25

°C, VS = 9V, RL = 10KΩ,

Vin = 1Vrms; RG = 600

Ω, all controls flat (G = 0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz

unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

SUPPLY

VS

Supply Voltage

7

9

10.2

V

IS

Supply Current

25

mA

SVR

Ripple Rejection

LCH /RCH out, Mode = OFF

60

80

dB

INPUT STAGE

RIN

Input Resistance

37.5

50

62.5

K

Ω

VCL

Clipping Level

THD = 0.3%

2

2.5

Vrms

ARANGE

Attenuation Range

31.5

dB

AVMIN

Min. Attenuation

-1

0

1

dB

AVMAX

Max. Attenuation

31

31.5

32

dB

ASTEP

Step Resolution

-1

0.5

1

dB

VDC

DC Steps

Adjacent att. step

-3

0

3

mV

AVO1

Voice Canceller Output 1

LIN =RIN,RIN =ON,

Vmix = 0V FIX, 0dB attenuation

56

7

dB

AVO2

Voice Canceller Output 2

LIN =RIN =0V Vmix =1Vrms FIX,

0dB attenuation

-1

0

1

dB

TDA7466

3/21

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