TDA7404 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

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TDA7404

Car radio signal processor

STMicroelectronics 

TDA7404

Electrical specifications

3.5

Electrical characteristics

Table 5.

Symbol

Electrical characteristics

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

Parameter

Test conditions

Min. Typ. Max. Unit

Input selector

Rin

VCL

SIN

GIN MIN

GIN MAX

GSTEP

Input resistance

Clipping level

Input separation

Min. input gain

Max. input gain

Step Resolution

VDC DC Steps

Voffset Remaining offset with AutoZero

P differential stereo inputs

Rin

Input resistance

(see Figure 3)

all single ended Inputs

Adjacent gain steps

GMIN to GMAX

Differential

GCD Gain

only at true differential

input

CMRR

eNO

Common mode rejection ratio

Output noise @ speaker-outputs

VCM = 1 VRMS @ 1 kHz

VCM = 1 VRMS @ 10 kHz

20 Hz - 20 kHz, flat;

all stages 0 dB

Differential mono input

Rin Input resistance

CMRR Common mode rejection ratio

Beep control

Differential

VCM = 1 VRMS @ 1 kHz

VCM = 1 VRMS @ 10 kHz

VRMS Beep level

fB1

fB Beep frequency

fB2

fB3

70

100 130

k

2.20 2.60

80

100

VRMS

dB

-1

0

1

dB

18

20

22

dB

0.5

1

1.5

dB

-5

1

5

mV

-10

5

10

mV

0.5

mV

70

100 130

k

-0.75

0

0.75

dB

-5

-6

-7

dB

-11

-12

-13

dB

40

70

dB

40

60

dB

9

V

39

56

73

k

40

70

dB

40

60

dB

250 350 500 mV

740 781 820

Hz

1.48 1.56 1.64 kHz

1.7

1.8

1.9

kHz

9/35

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