DocID14256 Rev 6

7/13

TDA7388

Electrical specifications

2.3

Electrical characteristics

VS = 14.4 V; f = 1 kHz; Rg = 600 ; RL = 4 ; Tamb = 25 °C; Refer to the test and application

diagram (Figure 2), unless otherwise specified.

Table 4. Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Iq1

Quiescent current

RL =

120

190

350

mA

VOS

Output offset voltage

Play mode

-

-

±100

mV

dVOS

During mute ON/OFF output

offset voltage

ITU R-ARM weighted

see Figure 12

-80

-

+80

mV

Gv

Voltage gain

-

25

26

27

dB

Po

Output power

THD = 10 %; VS = 14.4 V

22

26

-

W

Po max

Max.output power(1)

VS = 14.4 V

37

41

-

W

VS = 15.2 V

-

45

-

THD

Distortion

Po = 4 W

-

0.04

0.15

%

eNo

Output noise

"A" Weighted

-

50

70

µV

Bw = 20 Hz to 20 kHz

-

70

100

µV

SVR

Supply voltage rejection

f = 100 Hz; Vr = 1 Vrms

50

65

-

dB

fch

High cut-off frequency

Po = 0.5 W

100

200

-

kHz

Ri

Input Impedance

-

70

100

-

k



CT

Cross talk

f = 1 kHz; Po = 4 W

60

70

-

dB

f = 10 kHz; Po = 4 W

-

60

-

dB

ISB

Standby current

consumption

VSt-by = 0V

-

-

20

µA

VSB out

Standby OUT threshold

voltage

(Amp: ON)

3.5

-

-

V

VSB IN

Standby IN threshold voltage (Amp: OFF)

-

-

1.5

V

AM

Mute attenuation

POref = 4 W

80

90

-

dB

VM out

Mute OUT threshold voltage (Amp: play)

3.5

-

-

V

VM in

Mute IN threshold voltage

(Amp: mute)

-

-

1.5

V

VAM in

VS automute threshold

(Amp: mute); Att.

 80 dB;

POref = 4 W

(Amp: play); Att. < 0.1 dB;

PO = 0.5 W

-

7.6

6.5

8.5

V

Ipin22

Muting pin current

VMUTE = 1.2 V (Source current)

5

11

20

µA

1. Saturated square wave output.