TDA7406 datasheet(11/64 Pages) STMICROELECTRONICS

11 / 64 page

TDA7406

Audioprocessor part

11/64

–

Single-ended monaural output

–

control range 95dB (+15...-79dB) in 1dB steps with soft step.

–

separate mute

●

Mute functions

–direct mute

–

digitally controlled Soft mute with 4 programmable mute-time

3.2

Audioprocessor electrical characteristics

Table 4.

Audioprocessor electrical characteristics

(VS=9V; Tamb=25°C; RL=10kΩ; all gains=0dB; f=1kHz; unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

INPUT SELECTOR

Rin

Input Resistance

all single ended Inputs

100

130

VCL

Clipping Level

2.2

2.6

VRMS

SIN

Input Separation

100

GIN MIN Min. Input Gain

-1

GIN MAX Max. Input Gain

GSTEP

Step Resolution

0.5

1.5

VDC

DC Steps

Adjacent Gain Steps

-5

GMIN to GMAX

-10

Voffset

Remaining offset with Autozero

0.5

DIFFERENTIAL STEREO INPUTS

Rin

Input Resistance (see Fig. 1)

Differential

100

130

CMRR

Common Mode Rejection Ratio

VCM = 1VRMS @ 1kHz

VCM = 1VRMS @ 10kHz

eNO

Output-Noise @ Speaker-

Outputs

20Hz - 20kHz, flat; all stages 0dB

µV

BEEP CONTROL

VRMS

Beep Level

Mix-Gain = 6dB

250

350

500

fBeep

Beep Frequency

fBeep1

475

500

525

fBeep2

740

780

820

fBeep3

1.48

1.56

1.64

kHz

fBeep4

2.28

2.4

2.52

kHz

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