FDA803D-EHT datasheet(14/78 Pages) STMICROELECTRONICS

No. de pieza	FDA803D-EHT

Descripción Electrónicos	1 x 45 W class D digital input automotive power amplifier with diagnostics, wide voltage operation range for car audio and telematic

PDF	78 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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Electrical specifications

FDA803D

14/78

DocID031487 Rev 2

5.3

Electrical characteristics

Vcc = 14.4 V; RL = 4 Ω; f = 1 kHz; Tamb = 25 °C; I2C defaults, unless otherwise specified. LC

filter: L = 10 μH, C = 3.3 μF. PWM in In-phase modulation, feedback connected after the

filter.

Table 5. Electrical characteristics

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

VCC

Supply voltage range

RL = 4 Ω

3.3

RL = 2 Ω (1)

3.3

IVCC

Quiescent current

Device in Standby

μA

Device on (MUTE state)

ECO MODE

Vos

Offset voltage

Mute & Play

-10

+10

DVDD

Digital supply voltage

range

3.3

AVDD

Analog supply voltage

range

3.3

Iop

Overcurrent protection

IB11 D5-4 = 00

9.5

12.5

IB11 D5-4 = 01

6.7

9.3

IB11 D5-4 = 10

IB11 D5-4 = 11

IAVDD

Analog current

Device on (MUTE state)

IDVDD

Digital current

Device on (MUTE state)

Overvoltage shutdown

Attenuation = 0.5 dB(2)

18.5

19.5

20.5

VlowM

Vcc low supply mute

threshold

Attenuation <0.5 dB

Low voltage mode (IB0D0=1)

2.7

2.9

3.3

Attenuation <0.5 dB

Standard mode (IB0D0=0)

4.5

4.7

VhighM

Vcc high voltage mute(2) -

18.9

20.3

UVLOVCC

Vcc supply UVLO

threshold

Standard mode (IB0D0=0)

4.4

4.6

4.8

Low voltage mode (IB0D0=1)

2.55

2.7

2.85

Tsh

Thermal shutdown

165

175

185

°C

Tpl

Thermal protection

junction temperature

Attenuation = 0.5 dB

150

160

170

°C

Tw1

Thermal warning

junction temperature(3)

Tpl-5

°C

Tw2

Tpl-15

°C

Tw3

Tpl-35

°C

Tw4

Tpl-50

°C

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