FDA903U datasheet(14/80 Pages) STMICROELECTRONICS

номер детали	FDA903U

подробное описание детали	1 x 45 W class D digital input automotive power amplifier with ILoad current monitoring, wide voltage operation range for car audio and telematic

PDF	80 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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14 / 80 page

Electrical specifications

FDA903U

14/80

DS12498 Rev 2

Gain

Standard gain

at Amplitude = -10 dBFs

5.5

5.9

6.3

Low gain(6)

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(7)

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

VI = 3.6 V

μA

I2S bus interface

VIL-I2S

I2S pins low voltage

0.8

Input logic current, low

VI = 0 V

500

VIH-I2S

I2S pins high voltage

1.3

Input logic current, high VI = 3.6 V

500

High level output voltage @ Iout = 1 mA

1.6

1.75

Low level output voltage @ Iout = 1 mA

0.075

0.2

Control pins characteristics

VENL

Enable pins low voltage -

0.9

VENH

Enable pins high voltage -

2.4

Clipping and offset detector

CDTHD

Clip det THD (8)

THD @ 100 Hz with average,

Vclipdet = 2 V - Vpullup = 3.3 V

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

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