Electrical specifications and characteristics

TDA7719

12/45

DC steps

Adjacent attenuation steps

0.1

5

mV

Subwoofer lowpass

(2)

Lowpass corner frequency

72

80

88

Hz

108

120

132

Hz

144

160

176

Hz

DC offset detection circuit

Zero comp window size

V2

±20

±50

±80

mV

V3

±30

±75

±110

mV

V4

±60

±100

±140

mV

Max rejected spike length

511

25

µs

10

22

50

µs

15

33

75

µs

20

44

100

µs

DCErr charge current

1

5

10

µA

DCErr discharge current

3.5

5

6.5

mA

DCErr high volotage

3

3.3

3.6

V

DCErr low voltage

100

300

mV

Level meter

Vout

Output voltage range

0

3.4

V

Output level

1.2

1.6

2.0

V

-0.5

0

0.5

V

Analog output delay time

2

µs

General

Output noise

BW=20Hz to 20kHz A-

Weighted, all gain = 0dB

12

30

µV

BW=20Hz - 20kHz A-

Weighted, Output muted

625

µV

S/N

Signal to noise ratio

all gain = 0dB, A-weighted;

104

dB

D

Distortion

0.01

0.2

%

Channel separation left/right

80

90

dB

1.

When DC offset detector is not used, the impedance of mono single-ended input is 50k

2.

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

directly correlated parameter.

Table 5.

Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit