TDA7439DS datasheet(4/16 Pages) STMICROELECTRONICS

4 / 16 page

ELECTRICAL CHARACTERISTICS (continued.)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

AUDIO OUTPUTS

VCLIP

Clipping Level

d = 0.3%

2.1

2.6

VRMS

Output Load Resistance

Ω

Output Impedance

Ω

VDC

DC Voltage Level

3.5

3.8

4.1

GENERAL

ENO

Output Noise

All gains = 0dB;

BW = 20Hz to 20KHz flat

515

µV

Total Tracking Error

AV = 0 to -24dB

AV = -24 to -47dB

S/N

Signal to Noise Ratio

All gains 0dB; VO =1VRMS ;

106

Channel Separation Left/Right

100

Distortion

AV =0; VI =1VRMS ;

0.01

0.08

BUS INPUT

VIL

Input Low Voltage

VIH

Input High Voltage

IIN

Input Current

VIN = 0.4V

-5

µA

Output Voltage SDA

Acknowledge

IO = 1.6mA

0.4

0.8

0/30dB

2dB STEP

MUXOUTL

VOLUME

TREBLE

TREBLE(L)

MIDDLE

MUXOUTR

TREBLE(R)

BOUT(L)

SPKR ATT

LEFT

LOUT

SCL

SDA

DIGGND

ROUT

D98AU886

2CBUS DECODER + LATCHES

5.6nF

100K

L-IN1

L-IN2

L-IN3

L-IN4

0.47

µF

0.47

µF

0.47

µF

0.47

µF

100K

R-IN1

R-IN2

R-IN3

R-IN4

0.47

µF

0.47

µF

0.47

µF

0.47

µF

INPUT MULTIPLEXER

+ GAIN

MOUT(L)

BASS

BIN(L)

18nF

22nF

100nF

2.7K

5.6K

BASS

SPKR ATT

RIGHT

MOUT(R)

BOUT(R)

BIN(R)

5.6nF

18nF

22nF

100nF

2.7K

5.6K

SUPPLY

µF

CREF

AGND

818

VREF

TEST CIRCUIT

TDA7439DS

4/16

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