TDA7342N 데이터 시트보기 (PDF) - STMicroelectronics

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TDA7342N

Digitally controlled audio processor

STMicroelectronics 

Electrical specifications

2

Electrical specifications

TDA7342

2.1

Absolute maximum ratings

Table 1. Absolute maximum ratings

Symbol

Parameter

VS

Tamb

Tstg

Operating supply voltage

Operating ambient temperature

Storage temperature range

Table 2.

Symbol

Thermal data

Parameter

Rth j-amb Thermal resistance junction-pins

Table 3.

Symbol

Quick reference data

Parameter

VS

VCL

THD

S/N

SC

Supply voltage

Max. input signal handling

Total harmonic distortion V = 1Vrms f = 1KHz

Signal to noise ratio

Channel separation

Volume control 0.3dB step

Treble control 2dB step

Bass control 2dB step

Fader and balance control 1.25dB step

Input gain 3.75dB step

Mute attenuation

Value

Unit

10.5

V

-40 to 85

°C

-55 to 150

°C

Value

150

Unit

°C/W

Min. Typ. Max. Unit

6

9 10.2 V

2.1 2.6

Vrms

0.01 0.08 %

106

dB

100

dB

-59.7

20 dB

-14

+14 dB

-10

+18 dB

-38.75

0

dB

0

11.25 dB

100

dB

Table 4.

Symbol

Electrical characteristics

(VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all gains = 0dB; f = 1KHz. Refer

to the test circuit, unless otherwise specified.)

Parameter

Test condition

Min. Typ. Max. Unit

Input selector

RI

VCL

SI

RL

GI MIN

GI MAX

Input resistance

Clipping level

Input separation

Output load resistance

Minimum input gain

Maximum input gain

d ≤ 0.3%

70 100 130 KΩ

2.1 2.6

80 100

VRMS

dB

2

KΩ

-0.75 0 0.75 dB

10.25 11.25 12.25 dB

6/20

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