TDA7719(2008) Просмотр технического описания (PDF) - STMicroelectronics

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Компоненты Описание

производитель

TDA7719
(Rev.:2008)

3 band car audio processor

STMicroelectronics 

Electrical specifications and characteristics

TDA7719

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

VDC

DC steps

Subwoofer lowpass

Adjacent attenuation steps

0.1

5

mV

fLP1

fLP(2)

Lowpass corner frequency

fLP2

fLP3

DC offset detection circuit

72

80

88

Hz

108 120 132

Hz

144 160 176

Hz

V2

Vth

Zero comp window size

V3

V4

tsp

Max rejected spike length

ICHDCErr

IDISDCErr

VOutH

VOutH

DCErr charge current

DCErr discharge current

DCErr high volotage

DCErr low voltage

Level meter

±20 ±50 ±80

mV

±30 ±75 ±110 mV

±60 ±100 ±140 mV

5

11

25

µs

10

22

50

µs

15

33

75

µs

20

44

100

µs

1

5

10

µA

3.5

5

6.5

mA

3

3.3

3.6

V

100 300

mV

Vout

VLEVEL

TDEL

General

Output voltage range

Output level

Analog output delay time

Vin = 1Vrms

Vin = AC Grounded

0

3.4

V

1.2

1.6

2.0

V

-0.5

0

0.5

V

2

µs

eNO

Output noise

BW=20Hz to 20kHz A-

Weighted, all gain = 0dB

BW=20Hz - 20kHz A-

Weighted, Output muted

12

30

µV

6

25

µV

S/N

Signal to noise ratio

all gain = 0dB, A-weighted;

Vo = 2VRMS

104

dB

D

Distortion

VIN =1VRMS; all stages 0dB

0.01 0.2

%

SC

Channel separation left/right

80

90

dB

1. When DC offset detector is not used, the impedance of mono single-ended input is 50kΩ instead of 100kΩ

2. Minimun, typical and maximum are calculate in according to simulation result. Functionality is guaranteed by measuring a

directly correlated parameter.

12/45

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