TDA7406T 查看數據表（PDF） - STMicroelectronics

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TDA7406T

THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR

STMicroelectronics 

TDA7406T

Table 1. ELECTRICAL CHARACTERISTICS

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

Symbol

Parameter

Test Condition

Min.

INPUT SELECTOR

Rin Input Resistance

all single ended Inputs

70

VCL Clipping Level

2.2

SIN Input Separation

80

GIN MIN Min. Input Gain

-1

GIN MAX Max. Input Gain

13

GSTEP Step Resolution

0.5

VDC DC Steps

Adjacent Gain Steps

-5

GMIN to GMAX

-10

Voffset Remaining offset with Autozero

DIFFERENTIAL STEREO INPUTS

Rin Input Resistance (see Fig. 1)

Differential

70

CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1kHz

46

VCM = 1VRMS @ 10kHz

46

eNO Output-Noise @ Speaker-Outputs 20Hz - 20kHz, flat; all stages 0dB

BEEP CONTROL

VRMS Beep Level

Mix-Gain = 6dB

250

fBeep Beep Frequency

fBeep1

475

fBeep2

740

fBeep3

1.48

fBeep4

2.28

MIXING CONTROL

MLEVEL Mixing Ratio

Main / Mix-Source

GMAX Max. Gain

13

AMAX Max. Attenuation

-83

ASTEP Attenuation Step

0.5

LOUDNESS CONTROL

ASTEP Step Resolution

0.5

AMAX Max. Attenuation

-21

fPeak Peak Frequency

fP1

180

fP2

360

fP3

540

fP4

720

VOLUME CONTROL

GMAX Max. Gain

30

Typ.

100

2.6

100

0

15

1

1

61

0.5

100

70

60

11

350

500

780

1.56

2.4

-6/-6

15

-79

1

1

-19

200

400

600

800

32

Max. Unit

130

kΩ

VRMS

dB

1

dB

17

dB

1.5

dB

5

mV

10

mV

mV

130

kΩ

dB

dB

µV

500 mV

525

Hz

820

Hz

1.64 kHz

2.52 kHz

dB

17

dB

-75

dB

1.5

dB

1.5

dB

-17

dB

220

Hz

440

Hz

660

Hz

880

Hz

34

dB

5/49

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