TDA7400 datasheet(5/28 Pages) STMICROELECTRONICS

部件名	TDA7400

功能描述	ADVANCED CAR SIGNAL PROCESSOR

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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5 / 28 page

ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VOLUME CONTROL

GMAX

Max Gain

13

15

17

dB

AMAX

Max Attenuation

70

79

dB

ASTEP

Step Resolution

0.5

1

1.5

dB

EA

Attenuation Set Error

G = -20 to 20dB

-1.25

0

1.25

dB

G = -60 to 20dB

-4

0

3

dB

ET

Tracking Error

2dB

VDC

DC Steps

Adjacent Attenuation Steps

0.1

3

mV

From 0dB to GMIN

0.5

5

mV

SOFT MUTE

AMUTE

Mute Attenuation

80

100

dB

TD

Delay Time

T1

0.48

1

ms

T2

0.96

2

ms

T3

20

40.4

60

ms

T4

200

324

600

ms

VTHlow

Low Threshold for SM Pin

1

1V

VTHhigh

High Threshold for SM Pin

2.5

V

RPD

Internal Pull-up Resistor

70

100

130

K

Ω

BASS CONTROL

CRANGE

Control Range

±13

±15

±17

dB

ASTEP

Step Resolution

0.5

1

1.5

dB

fC

Center Frequency

fC1

54

60

66

Hz

fC2

63

70

77

Hz

fC3

72

80

88

Hz

fC4

90

100

(150)

(2)

110

Hz

QBASS

Quality Factor

Q1

0.9

1

1.1

Q2

1.1

1.25

1.4

Q3

1.3

1.5

1.7

Q4

1.8

2

2.2

DCGAIN

Bass-Dc-Gain

DC = off

-1

0

1

dB

DC = on

3.5

4.4

5.5

dB

TREBLE CONTROL

CRANGE

Control Range

±13

±15

±17

dB

ASTEP

Step Resolution

0.5

1

1.5

dB

fC

Center Frequency

fC1

8

10

12

KHz

fC2

10

12.5

15

KHz

fC3

12

15

18

KHz

fC4

14

17.5

21

KHz

1) The SM pin is active low (Mute = 0)

2) See Note in Programming Part

TDA7400

5/28

类似零件编号 - TDA7400

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TDA7400 数据表(PDF) 5 Page - STMicroelectronics

TDA7400 数据表(HTML) 5 Page - STMicroelectronics

类似零件编号 - TDA7400

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