TS4972 datasheet(17/28 Pages) STMICROELECTRONICS

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TS4972

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Fig. 69 : Signal to Noise Ratio vs Power Supply

with Unweighted Filter (20Hz to 20kHz)

Fig. 71 : Signal to Noise Ratio vs Power Supply

with Weighted Filter Type A

Fig. 73 : Frequency Response Gain vs Cin, &

Cfeed

Fig. 70 : Signal to Noise Ratio vs Power Supply

with Unweighted Filter (20Hz to 20kHz)

Fig. 72 : Signal to Noise Ratio vs Power Supply

with Weighted Filter Type A

Fig. 74 : Current Consumption vs Power

Supply Voltage

2.5

3.0

3.5

4.0

4.5

5.0

100

RL=8

Ω

RL=4

Ω

RL=16

Ω

Gv = 2

Cb = Cin = 1µF

THD+N < 0.4%

Tamb = 25°C

Vcc (V)

2.5

3.0

3.5

4.0

4.5

5.0

100

110

RL=8

Ω

RL=4

Ω

RL=16

Ω

Gv = 2

Cb = Cin = 1µF

THD+N < 0.4%

Tamb = 25°C

Vcc (V)

100

1000

10000

-25

-20

-15

-10

-5

Rin = Rfeed = 22k

Ω

Tamb = 25

°C

Cfeed = 2.2nF

Cfeed = 680pF

Cfeed = 330pF

Cin = 470nF

Cin = 82nF

Cin = 22nF

Frequency (Hz)

2.5

3.0

3.5

4.0

4.5

5.0

RL=16

Ω

RL=4

Ω

RL=8

Ω

Gv = 10

Cb = Cin = 1µF

THD+N < 0.7%

Tamb = 25°C

Vcc (V)

2.5

3.0

3.5

4.0

4.5

5.0

100

RL=16

Ω

RL=4

Ω

RL=8

Ω

Gv = 10

Cb = Cin = 1µF

THD+N < 0.7%

Tamb = 25°C

Vcc (V)

012

345

Vstandby = 0V

Tamb = 25°C

Vcc (V)

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