FDA803D datasheet(15/78 Pages) STMICROELECTRONICS

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DocID031487 Rev 2

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FDA803D

Electrical specifications

Audio performances

Output power

THD = 10 %

THD = 1 %

Max power; Vcc = 15.2 V

RL = 2 Ω THD = 10% (1)

RL = 2 Ω THD = 1% (1)

-45

RL = 2 Ω, max power(1)

-80

Output power

THD = 10% Vcc = 5 V

3.8

THD = 10% Vcc = 3.3 V

1.6

PSRR

Power supply rejection

ratio

f = 1 kHz; Vr = 1Vpk;

THD

Total harmonic distortion PO = 1 W, f = 1 kHz

0.01

0.05

Gain

Standard gain

at Amplitude = -10 dBFs

5.5

5.9

6.3

Low gain(4)

3.3

3.6

3.9

Dynamic range

A-wtd and brickwall 20 kHz filter

102

107.5

SNR

Signal to noise ratio

A-wtd and brickwall 20 kHz filter

107

112

Eout1

Output noise

A-wtd and brickwall 20 kHz filter used, no

output signal;

-35

μV

Eout2

Output noise

CCIR 468 filtered

130

μV

ΔVOITU

ITU Pop filter output

voltage

Standby to Mute and Mute to Standby

transition

-7.5

+7.5

Mute

VMth(5)

Mute pin voltage

threshold

Attenuation <0.5 dB, and digital mute

disabled

2.3

Attenuation ≥60 dB, and digital mute

disabled

Mute pin source current -

μA

VMcl

Mute pin internal clamp

voltage

5.5

6.5

Ifeed

Peak current flowing in

the feedback pins

Standby condition, all feedbacks forced to

Vcc, output floating

110

130

μA

I2C bus interface

fSCL

Clock frequency

400

kHz

VIL

I2C pins low voltage

0.8

VIH

I2C pins high voltage

1.3

VOLMAX

Maximum I2C data pin

low voltage when

current Isink is sinked

Isink = 4 mA

0.12

0.5

ILIMAX

Maximum input leakage

current

V = 3.6 V

μA

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

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