TS2012FC データシートの表示（PDF） - STMicroelectronics

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TS2012FC

Filter-free flip-chip stereo 2x2.5 W class D audio power amplifer

STMicroelectronics 

TS2012FC

Electrical characteristics

3.2

Electrical characteristic curves

The graphs shown in this section use the following abbreviations:

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

● Filter = LC output filter (1 µF+ 30 µH for 4 Ω and 0.5 µF+15 µH for 8Ω)

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

PSRR where CS1 is removed (see Figure 3).

Figure 2. Test diagram for measurements

VCC

Cs 1

1μF

Cs 2

100nF

GND

GND

Cin

In+

Out+

15μH or 30μH

RL

4 or 8 Ω

5th order

1/2 TS2012

or

50kHz

In-

Out-

LC Filter

low-pass filter

Cin

GND

Audio M easurement

Bandwith < 30kHz

13/31

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