TDA7808 datasheet(11/39 Pages) STMICROELECTRONICS

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DS12230 Rev 4

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TDA7808

Electrical specification

3.3

Electrical characteristics

Referred to the test setup VS = 14.4 V; RL = 4 Ω; f = 1 kHz; tested at Tamb = 25 °C;

functionality guaranteed for Tj = -40 °C to 150 °C; SB-I mode; unless otherwise specified.

Table 6. Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

General

Supply voltage range

RL = 4 Ω

18.5

ISB

Standby current

μA

Total quiescent current in

amplifier mode

Mute condition

170

210

IqECO

Total quiescent current in

ECO mode

Mute attenuation

VOS

Offset voltage

Mute and play

-25

+25

VlowM

VCC low supply mute

threshold

(Min I2C setting - default)

Attenuation <0.5 dB, digital mute

disabled

5.6

Attenuation ≥60 dB, digital mute

disabled

VPOWONRESET

Supply voltage of power-on

reset

3.5

VhighM

High supply mute threshold

Attenuation = -6 dB

Audio performances

Output power

RL = 4 Ω; max power (1)

THD = 10 %25

THD = 1 %20

THDSB

Total harmonic distortion

(Standard bridge)

PO = 4 W, f=1 kHz, GV1

0.015

0.04

PO = 4 W, f=10 kHz, GV1

0.15

0.5

RL =100 Ω input=-10 dBFS,

f = 1 kHz, GV1,2,3,4

0.01

0.02

THD

Total harmonic distortion

(SBI mode)

PO = 2 W, f = 1 kHz, GV1

0.015

0.04

PO = 6 W, f =1 kHz, GV1

0.02

0.06

CT(2)

Cross talk

f = 1 kHz

100

f = 10 kHz

GV1

Voltage gain 1

@ Amplitude = -18 dBFs

2.3

2.5

GV2

Voltage gain 2

1.25

1.35

GV3

Voltage gain 3

0.9

GV4

Voltage gain 4

0.4

0.55

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