TS4962 datasheet(21/46 Pages) STMICROELECTRONICS

部品番号	TS4962

部品情報	2.8W filter-free mono class D audio power amplifier

PDF	46 Pages

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TS4962

Electrical characteristics

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3.2

Electrical characteristics curves

The graphs shown in this section use the following abbreviations:

●

RL + 15μH or 30μH = pure resistor+ very low series resistance inductor

●

Filter = LC output filter (1µF+30µH for 4

Ω and 0.5µF+60µH for 8Ω)

All measurements are done with CS1=1µF and CS2=100nF (see Figure 2), except for the

PSRR where CS1 is removed (see Figure 3).

Figure 2.

Schematic used for test measurements

Figure 3.

Schematic used for PSSR measurements

In+

In-

Rin

150k

Rin

150k

Cin

GND

Vcc

Cs1

1uF

GND

Cs2

100nF

GND

4 or 8 Ohms

15uH or 30uH

LC Filter

5th order

50kHz low pass

filter

Audio Measurement

Bandwidth < 30kHz

Out+

Out-

TS4962

In+

In-

Rin

150k

Rin

150k

4.7uF

GND

Cs2

100nF

GND

4 or 8 Ohms

15uH or 30uH

LC Filter

5th order

50kHz low pass

filter

RMS Selective Measurement

Bandwidth=1% of Fmeas

Out+

Out-

TS4962

GND

5th order

50kHz low pass

filter

Reference

20Hz to 20kHz

Vcc

GND

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