TDA7498MV(2011) データシートの表示（PDF） - STMicroelectronics

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TDA7498MV
(Rev.:2011)

100-watt mono BTL class-D audio amplifier

STMicroelectronics 

TDA7498MV

Electrical specifications

3.4

Electrical specifications

Unless otherwise stated, the results in Table 6 below are given for the conditions:

VCC = 36 V, RL (load) = 6 Ω, ROSC = R3 = 39 kΩ, C8 = 100 nF, f = 1 kHz, GV = 25.6 dB and

Tamb = 25 °C.

Table 6.

Symbol

Electrical specifications

Parameter

Condition

Min Typ Max Unit

Iq

IqSTBY

VOS

IOCP

TjS

Ri

VOVP

VUVP

RdsON

Po

Po

PD

η

THD

GV

∆GV

eN

SVRR

Tr, Tf

fSW

Total quiescent current

No LC filter, no load

-

40 60 mA

Quiescent current in standby -

-

1

10 µA

Output offset voltage

Play mode

Mute mode

-100 -

-60 -

100

mV

60

Overcurrent protection threshold RL = 0 Ω

Junction temperature at thermal

shutdown

-

5.5 7

-

A

-

150 -

°C

Input resistance

Differential input

48 60 -

kΩ

Overvoltage protection threshold -

42 43 -

V

Undervoltage protection

threshold

-

-

-

8

V

Power transistor on resistance

High side

Low side

-

0.2 -

Ω

-

0.2 -

Output power

THD = 10%

THD = 1%

-

100 -

W

-

78 -

Output power

Dissipated power

RL = 8 Ω, THD = 10%,

VCC = 36V

-

80 -

W

Po = 100 W,

THD = 10%

-

10 -

W

Efficiency

Total harmonic distortion

Po = 100 W

Po = 1 W

GAIN0 = L, GAIN1 = L

-

90 -

%

-

0.1 -

%

24.6 25.6 26.6

Closed-loop gain

GAIN0 = L, GAIN1 = H

GAIN0 = H, GAIN1 = L

30.6 31.6 32.6

dB

34.1 35.1 36.1

GAIN0 = H, GAIN1 = H 36.6 37.6 38.6

Gain matching

-

-1 -

1

dB

Total input noise

A Curve, GV = 20 dB

-

15 -

µV

f = 22 Hz to 22 kHz

-

25 50

Supply voltage rejection ratio

fr = 100 Hz, Vr = 0.5 Vpp,

CSVR = 10 µF

-

70 -

dB

Rise and fall times

-

-

50 -

ns

Switching frequency

Internal oscillator

290 310 330 kHz

Doc ID 16505 Rev 3

9/27

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