TDA7801 datasheet(13/48 Pages) STMICROELECTRONICS

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DocID022674 Rev 4

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TDA7801

Electrical specifications

3.3

Electrical characteristics

Refer to the test circuit, VS = 14.4 V; RL = 4 ; f = 1 kHz; Tamb = 25 °C; unless otherwise

specified.

Table 6. Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Supply voltage range

Total quiescent drain current

in amplifier mode

enable on amplifier mode muted

150

260

350

Total quiescent drain current

in tristate mode

enable on tristate mode

Output power

RL = 4 ; max power

THD = 10 %

THD = 1 %

RL = 2 ; max power

RL = 2 ; THD 10%

RL = 2 ; THD 1%

THD

Total harmonic distortion

PO = 1 W to 10 W, f=1 kHz, GV1

-0.03

0.05

PO = 1 W to 10 W, f=10 kHz, GV1

-0.2

0.5

RL =100  input=-10 dBFS,

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

-0.01

0.02

Cross talk

f = 1 kHz to 10 kHz

GV1

Voltage gain 1

Output voltage @ -10 dBFS

14.9

16.9

dB (Vp)

GV2

Voltage gain 2

9.45

11.45 dB (Vp)

GV3

Voltage gain 3

6.9

8.9

dB (Vp)

GV4

Voltage gain 4

1.45

3.45

dB (Vp)

FSV1

Full scale voltage GV1

Output voltage @ 0 dBFS

VS=18 V; RL = 100 

12.7

Vrms

FSV2

Full scale voltage GV2

Output voltage @ 0 dBFS

6.65

8.35

Vrms

FSV3

Full scale voltage GV3

4.9

6.2

Vrms

FSV4

Full scale voltage GV4

2.65

3.35

Vrms

Delta voltage gain

20 Hz – 20 kHz

Po =1 W

-0.5

0.5

Dynamic range

GV = GV1

GV = GV2

GV = GV3

GV = GV4

Bw=20 Hz to 20 kHz, un

weighted

105

100

110

105

103

-dB

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