TS4995 datasheet(16/26 Pages) STMICROELECTRONICS

tên linh kiện	TS4995

Giải thích chi tiết về linh kiện	1.2 W fully differential audio power amplifier with selectable standby and 6 dB fixed gain

PDF	26 Pages

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Trang chủ	http://www.st.com

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16 / 26 page

Electrical characteristics

TS4995

16/26

Figure 50.

Current consumption vs. standby

voltage

Figure 51.

Frequency response

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Standby mode=2.6V

Standby Voltage (V)

Vcc = 2.6V

No load

Tamb = 25

°C

Standby mode=0V

100

1000

10000

20k

Cin=4.7

μF

Frequency (Hz)

Cin=330nF

Vcc = 5V

Gain = 6dB

ZL = 8

Ω + 500pF

Tamb = 25

°C

Figure 52.

Frequency response

Figure 53.

Frequency response

100

1000

10000

20k

Cin=4.7

μF

Frequency (Hz)

Cin=330nF

Vcc = 3.3V

Gain = 6dB

ZL = 8

Ω + 500pF

Tamb = 25

°C

100

1000

10000

20k

Cin=4.7

μF

Frequency (Hz)

Cin=330nF

Vcc = 2.6V

Gain = 6dB

ZL = 8

Ω + 500pF

Tamb = 25

°C

Figure 54.

SNR vs. power supply voltage with

unweighted filter

Figure 55.

SNR vs. power supply voltage with

A-weighted filter

2.5

3.0

3.5

4.0

4.5

5.0

5.5

100

102

104

106

108

110

112

114

116

118

120

RL=16

Power Supply Voltage (V)

F = 1kHz

G = 6dB

Cb = 1

μF

THD + N < 0.7%

Tamb = 25°C

RL=8

2.5

3.0

3.5

4.0

4.5

5.0

5.5

100

102

104

106

108

110

112

114

116

118

120

RL=16

Power Supply Voltage (V)

F = 1kHz

G = 6dB

Cb = 1

μF

THD + N < 0.7%

Tamb = 25°C

RL=8

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