TS4871 datasheet(22/42 Pages) STMICROELECTRONICS

Il numero della parte	TS4871

Spiegazioni elettronici	Output rail-to-rail 1 W audio power amplifier with standby mode

PDF	42 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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22 / 42 page

Figure 78. Clipping voltage vs power supply

voltage and load resistor

2.5

3.0

3.5

4.0

4.5

5.0

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Tamb = 25°C

RL = 16Ω

RL = 8Ω

RL = 4Ω

Power supply Voltage (V)

Figure 79. Clipping voltage low-side vs power

supply voltage and load resistor

2.5

3.0

3.5

4.0

4.5

5.0

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Tamb = 25°C

RL = 16Ω

RL = 8Ω

RL = 4Ω

Power supply Voltage (V)

Figure 80. Vout1+Vout2 unweighted noise floor

100

1000

10000

100

120

Av = 10

Av = 2

Standby mode

Vcc = 2.5V to 5V, Tamb = 25 C

Cb = Cin = 1 F

Input Grounded

BW = 20Hz to 20kHz (Unweighted)

Frequency (Hz)

Figure 81. Vout1+Vout2 A-weighted noise floor

100

1000

10000

100

120

Av = 10

Av = 2

Standby mode

Vcc = 2.5V to 5V, Tamb = 25 C

Cb = Cin = 1 F

Input Grounded

BW = 20Hz to 20kHz (A-Weighted)

Frequency (Hz)

TS4871

Electrical characteristics curves

DS2547 - Rev 10

page 22/42

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