TDA9855WP 데이터 시트보기 (PDF) - Philips Electronics

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TDA9855WP

I2C-bus controlled BTSC stereo/SAP decoder and audio processor

Philips Electronics 

Philips Semiconductors

I2C-bus controlled BTSC stereo/SAP

decoder and audio processor

Product specification

TDA9855

SYMBOL

PARAMETER

CONDITIONS

MIN.

SUBWOOFER OR SURROUND CONTROL

Gs

Gstep

αm

VDC(OFF)

subwoofer control

step resolution

mute attenuation

DC step offset between any

adjacent step

DC step offset between any

step to mute

maximum boost; fi = 40 Hz

12

maximum attenuation;

12

fi = 40 Hz

−

60

Gs = 0 to +14 dB

−

Gs = 0 to −14 dB

−

Gs = +2 to +14 dB without

−

input offset (pin SW connected

to Vref)

Gs = +2 to +14 dB inclusive −

offset from OUTR, OUTL

Gs = 0 to −14 dB

−

RF

internal resistor for low-pass

4

filter with external capacitor at

pin SW

L + RREJ common mode rejection in

mono signal at VIL/VIR;

26

surround sound at pin OUTS f = 1 kHz; Vi = 1 V;

balance = 0 dB

MUTING AT POWER SUPPLY DROP FOR OUTL, OUTR AND OUTS

VCC-DROP supply drop for mute active

−

POWER-ON RESET; note 9

VRESET(STA) start of reset voltage

increasing supply voltage

−

decreasing supply voltage

4.2

VRESET(END) end of reset voltage

increasing supply voltage

5.2

Digital part (I2C-bus pins); note 10

VIH

HIGH-level input voltage

VIL

LOW-level input voltage

IIH

HIGH-level input current

IIL

LOW-level input current

VOL

LOW-level output voltage

IIL = 3 mA

3

−0.3

−10

−10

−

TYP.

MAX.

14

16

14

16

2

−

−

−

−

10

−

5

−

15

−

50

−

10

5

6

36

−

VCAP − 0.7 −

−

2.5

5

5.8

6

6.8

−

VCC

−

+1.5

−

+10

−

+10

−

0.4

UNIT

dB

dB

dB

dB

mV

mV

mV

mV

mV

kΩ

dB

V

V

V

V

V

V

µA

µA

V

1997 Nov 04

20

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