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TDA7346D

DIGITAL CONTROLLED SURROUND SOUND MATRIX

STMicroelectronics 

TDA7346

TEST CIRCUIT

HP1

18

680nF

C16

0.1µF

17

HP2

L-in 4

C17 VS

10µF C1

2

100nF

C2

22nF

C4

PS3

15

REAR

6

Lout SCL SDA

7

9

8

TDA7346

LP

5

1.2nF

C6

0.1µF

16 R-in

LP1 C7

19

5.6nF

C15

PS1

1

100nF

C14

PS2

20

4.7nF

C13

22nF

C5

PS4

14

13

Rout

11

AGND

10

DIG GND

12

ADDR

CREF

3

D93AU040C

22µF

C3

ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ,

RG = 600Ω, all controls flat (G = 0),Effect Ctrl = -6dB, MODE = OFF; f = 1KHz

unless otherwise specified)

Symbol

SUPPLY

Parameter

Test Condition

Min. Typ. Max.

VS

IS

SVR

Supply Voltage

Supply Current

Ripple Rejection

INPUT STAGE

LCH / RCH out, Mode = OFF

7

9

10.2

10

60

80

RII

Input Resistance

VCL

Clipping Level

CRANGE Control Range

AVMIN

Min. Attenuation

AVMAX

Max. Attenuation

ASTEP

Step Resolution

VDC

DC Steps

EFFECT CONTROL

THD = 0.3%; Lin or Rin

THD = 0.3%; Rin + Lin (2)

adjacent att. step

100

2

2.5

3.0

20

-1

0

1

20

0.31

0

CRANGE

SSTEP

Control Range

Step Resolution

- 21

-6

1

Unit

V

mA

dB

KΩ

Vrms

Vrms

dB

dB

dB

dB

mV

dB

dB

3/14

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