TDA7490SA datasheet(5/13 Pages) STMICROELECTRONICS

номер детали	TDA7490SA

подробное описание детали	10W 10W Stereo Class-D Amplifier

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TDA7490SA

2 Electrical characteristcs

5/13

2

Electrical characteristcs

Table 3.

electrical characteristcs (Refer to the test circuit, VCC = ±13.5V; RL = 8Ω;

Demod. filter L = 33

µH, C = 220nF; f = 1KHz; R1 = 27kΩ; T

amb = 25°C unless otherwise

specified.)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VS

Supply Range

±7

±15

V

Iq

Total Quiescent Current

RL = ∞; no LC filter

60

mA

VOS

Output Offset Voltage

-150

+150

mV

Po

Output Power

THD = 10%

THD = 1%

10

8.2

W

VCC = ±10V; RL = 4Ω

THD = 10%

THD = 1%

10

8

W

VCC = ±6V; RL = 4Ω

THD = 10%

THD = 1%

4

3

W

PD

Maximum Dissipated Power

Po = 10+10W; THD = 10%

3.5

W

h

Efficiency (1)

Po = 10+10W; RL = 8Ω

86

%

THD

Total Harmonic Distortion

RL = 8Ω; Po = 0.5W

0.1

%

Imax

Overcurrent Protection

Threshold

RL = 0

22.5

A

Tj

Thermal Shut-down Junction

Temperature

150

°C

GV

Closed Loop Gain

30

dB

∆G

V

Gain Matching

-1

1

dB

eN

Total Input Noise

A Curve

f = 20Hz to 22KHz

7

µV

12

µV

CT

Cross Talk

f = 1KHz

t.b.d.

dB

Ri

Input Resistance

30

k

Ω

SVR

Supply Voltage Rejection

f = 100Hz; Vr = 0.5

60

dB

Vrmax

Overvoltage Protection

Threshold

30

V

Tr, Tf

Rising and Falling Time

50

ns

RDSON

Power Transistor on Resistance

0.3

W

FSW

Switching Frequency

Internal Oscillator

180

200

220

KHz

Аналогичный номер детали - TDA7490SA

производитель	номер детали	датащи	подробное описание детали
STMicroelectronics	TDA7490	193Kb / 10P	25W 25W STEREO CLASS-D AMPLIFIER 50W MONO IN BTL
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