TDA7442 查看數據表（PDF） - STMicroelectronics

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TDA7442

TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR

STMicroelectronics 

TDA7442 - TDA7442D

Table 5. Electrical Characteristics (continued)

Refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ, Vin = 1Vrms; RG = 600Ω, all controls flat (G =

0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz unless otherwise specified.

Symbol

Parameter

VOUT DC Voltage Level

MONITOR OUTPUTS

d

Distorsion

SC

Channel Separation

VOCL Clipping Level

ROUT Output Resistance

VOUT DC Voltage Level

BUS INPUTS

VIL

Input Low Voltage

VIH

Input High Voltage

IIN

Input Current

VO

Output Voltage SDA

Acknowledge

Test Condition

Av = 0 ; Vin = 1Vrms

d = 0.3%

IO = 1.6mA

Min.

Typ.

3.8

Max.

Unit

V

0.01 0.1

%

70

90

dB

2

2.5

Vrms

20

50

70

Ω

4.5

V

1

V

3

V

-5

+5

µA

0.4

V

5/17

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