7429 datasheet(4/16 Pages) STMICROELECTRONICS

部件名	7429

功能描述	3 BAND EQUALIZER AUDIO PROCESSOR WITH SUBWOOFER CONTROL

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制造商	STMICROELECTRONICS [STMicroelectronics]

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TDA7429L

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Table 2. Thermal Data

Symbol

Description

Value

Unit

Rth j-pins

Thermal Resistance Junction-pins

Max.

85

°C/W

Table 3. Absolute Maximum Ratings

Symbol

Parameter

Value

Unit

VS

Operating Supply Voltage

11

V

Tamb

Operating Ambient Temperature

-10 to 85

°C

Tstg

Storage Temperature Range

-55 to +150

°C

Table 4. Electrical Characteristics

(refer to the test circuit Tamb =25

°C, VS =9V, RL = 10KΩ,Vin =1Vrms;RG = 600Ω, all controls flat

(G = 0dB), L+R CTRL = +4dB, MODE = OFF; f = 1KHz unless otherwise specified).

Symbol

Parameter

Test Conditio n

Min.

Typ.

Max.

Unit

SUPPLY

VS

Supply Voltage

7

9

10.2

V

IS

Supply Current

10

18

26

mA

SVR

Ripple Rejection

LCH /RCH out, Mode = OFF

60

80

dB

INPUT STAGE

RIN

Input Resistance

35

50

65

K

Ω

VCL

Clipping Level

THD = 0.3%

2

2.5

Vrms

CRANGE

Control Range

31.5

dB

AVMIN

Min. Attenuation

-1

0

1

dB

AVMAX

Max. Attenuation

31

31.5

32

dB

ASTEP

Step Resolution

0.5

1

dB

BASS CONTROL

Gb

Control Range

Max. Boost/cut

±11.5

±14.0

±16.0

dB

BSTEP

Step Resolution

1

2

3

dB

RB

Internal Feedback Resistance

32

44

56

K

Ω

MIDDLE CONTROL

Gm

Control Range

Max. Boost/cut

±11.5

±14.0

±16.0

dB

MSTEP

Step Resolution

1

2

3

dB

RM

Internal Feedback Resistance

17.5

25

32.5

K

Ω

TREBLE CONTROL

Gt

Control Range

Max. Boost/cut

±13.0

±14.0

±15.0

dB

TSTEP

Step Resolution

1

2

3

dB

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