TS2012IQT datasheet(15/29 Pages) STMICROELECTRONICS

номер детали	TS2012IQT

подробное описание детали	Filter-free stereo 2x2.8 W class D audio power amplifier

PDF	29 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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15 / 29 page

DocID14236 Rev 2

15/29

TS2012

Electrical characteristics

Figure 10. Output power vs. power supply

voltage (i)

Figure 11. Output power vs. power supply

voltage (ii)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

THD+N=10%

RL = 4Ω + ≥ 15μH

F = 1kHz

BW < 30kHz

Tamb = 25°C

THD+N=1%

Power Supply Voltage (V)

2.53.0

3.54.0

4.55.0

5.5

0.0

0.4

0.8

1.2

1.6

2.0

THD+N=10%

RL = 8Ω + ≥ 15μH

F = 1kHz

BW < 30kHz

Tamb = 25°C

THD+N=1%

Power Supply Voltage (V)

Figure 12. PSRR vs. common mode input

voltage

Figure 13. PSRR vs. frequency

0.00.5

1.01.5

2.0

2.5

3.03.5

4.04.5

5.0

-80

-70

-60

-50

-40

-30

-20

-10

Gain=6dB

Gain=24dB

Vcc=3V

Vcc=2.5V

Vcc=5V

Vripple = 200mVpp, F = 217Hz

RL ≥ 4Ω + ≥ 15μH, Tamb = 25°C

Common Mode Input Voltage (V)

100

10k

-80

-70

-60

-50

-40

-30

-20

-10

Gain=24dB

Inputs grounded, Vripple = 200mVpp

RL ≥ 4Ω + ≥ 15μH, Cin=1μF, Tamb=25°C

Vcc = 2.5, 3.6, 5V

20k

Gain=6dB

Frequency (Hz)

Figure 14. CMRR vs. common mode input

voltage

Figure 15. CMRR vs. frequency

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

-80

-70

-60

-50

-40

-30

-20

-10

Gain=6dB

Gain=24dB

Vcc=3V

Vcc=2.5V

Vcc=5V

ΔVicm=200mVpp, F = 217Hz

RL ≥ 4Ω + ≥ 15μH, Tamb = 25°C

Common Mode Input Voltage (V)

100

10k

-80

-70

-60

-50

-40

-30

-20

-10

Gain=24dB

ΔVicm=200mVpp, Vcc = 2.5, 3.6, 5V

RL ≥ 4Ω + ≥ 15μH, Cin=1μF, Tamb=25°C

20k

Gain=6dB

Frequency (Hz)

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