TS4909 datasheet(19/35 Pages) STMICROELECTRONICS

19 / 35 page

TS4909

Electrical characteristics

Doc ID 11972 Rev 9

19/35

Figure 56. SNR vs. power supply voltage,

PHG, A-weighted, Av = 1

Figure 57. SNR vs. power supply voltage,

SE, A-weighted, Av = 1

10 0

10 2

10 4

10 6

10 8

RL = 3 2

P h a n to m G rou nd

A -w e ig h te d F ilte r

Av =-1, T

AM B

=25 ° C

Cb = 1

μF

T HD+ N< 0 .4 %

Power Supply Voltage (V)

RL = 1 6

10 0

10 2

10 4

10 6

10 8

RL = 3 2

Sin g le En d e d

A -w e ighted Filter

Av= -1 , T

AM B

=2 5 ° C

Cb = 1

μF

T HD+ N< 0 .4 %

Power Supply Voltage (V)

RL = 1 6

Figure 58. SNR vs. power supply voltage,

PHG, unweighted, Av = 4

Figure 59. SNR vs. power supply voltage,

SE, unweighted, Av = 4

RL = 3 2

P h an to m G ro und

Av= -4 , T

AM B

=25°C

Cb = 1

μF

T HD+ N< 0 .4 %

Power Supply Voltage (V)

RL = 1 6

U n w e ig hted F ilte r (2 0H z -20 kH z)

RL = 3 2

S in g le Ende d

Av= -4 , T

AM B

=25°C

Cb = 1

μF

T HD+ N< 0 .4 %

Power Supply Voltage (V)

RL = 1 6

U n w e ig h te d F ilte r (2 0 H z -2 0 kH z)

Figure 60. SNR vs. power supply voltage,

PHG, A-weighted, Av = 4

Figure 61. SNR vs. power supply voltage,

SE, A-weighted, Av = 4

10 0

RL = 3 2

P h a n to m G rou nd

A -w e ig h te d F ilte r

Av =-4, T

AM B

=25 ° C

Cb = 1

μF

T HD+ N< 0 .4 %

Power Supply Voltage (V)

RL = 1 6

10 0

RL = 3 2

Sin g le En d e d

A -w e ighted Filter

Av= -4 , T

AM B

=2 5 ° C

Cb = 1

μF

T HD+ N< 0 .4 %

Power Supply Voltage (V)

RL = 1 6

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