TS2007 datasheet(12/29 Pages) STMICROELECTRONICS

Teilenummer	TS2007

Bauteilbeschribung	3W filter-free Class D audio power amplifer with 6-12dB fixed gain select

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Electrical characteristics

TS2007

12/29

3.2

Electrical characteristic 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 (1

μF+30μH for 4Ω 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.

Test diagram for measurements

Figure 3.

Test diagram for PSRR measurements

VCC

Cin

Cs1

TS2007

Cs2

100nF

In+

In-

15 H or 30 H

μμ

LC Filter

Out+

Out-

1 F

4 or 8

5th order

50kHz

low-pass filter

Audio Measurement

Bandwith < 30kHz

GND

VCC

Cin

TS2007

Cs2

100nF

In+

In-

15 H or 30 H

μμ

LC Filter

Out+

Out-

4 or 8

5th order

50kHz

low-pass filter

RMS Selective Measurement

Bandwith =1% of Fmeas

GND

1 F

GND

5th order

50kHz

low-pass filter

reference

20Hz to 20kHz

Vripple

Vcc

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