FDA803U datasheet(13/76 Pages) STMICROELECTRONICS

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DS12497 Rev 2

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FDA803U

Electrical specifications

4.3

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

3.3

IVCC

Quiescent current

Device in Standby

μA

Device on (MUTE state)(1)

-35

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(2)

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(3)

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(3) -

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

170

180

190

°C

Tpl

Thermal protection

junction temperature

Attenuation = 0.5 dB

150

160

170

°C

Tw1

Thermal warning

junction temperature(4)

Tpl-5

°C

Tw2

Tpl-15

°C

Tw3

Tpl-35

°C

Tw4

Tpl-50

°C

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