TS4956 datasheet(31/51 Pages) STMICROELECTRONICS

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TS4956

Electrical characteristics

31/51

Figure 102. SNR vs. power supply voltage

Figure 103. Current consumption vs. power

supply voltage

Figure 104. Frequency response mode 1, 2, 7

Figure 105. SNR vs. power supply voltage

Figure 106. Standby current consumption vs.

power supply voltage

Figure 107. Frequency response mode 3, 4

2.7

3.3

100

Weighted filter type A

Unweighted filter (20Hz to 20kHz)

Mode 7 - BTL, SPKout

G = +10.5dB, RL = 8

Ω

THD+N < 0.5%

Tamb = 25

°C

Vcc (V)

012

345

Mode7

Mode 5,6

Mode3

Mode4

Mode 1,2

No loads

Tamb = 25

°C

Vcc (V)

100

1000

10000

-2

G=+1.5dB, RL=8

Ω

G=+1.5dB, RL=16

Ω

G=+6dB, RL=8

Ω

G=+6dB, RL=16

Ω

G=+12dB, RL=16

Ω

Frequency (Hz)

Mode 1, 2, 7

BTL, SPK out

Cin = 330nF

Tamb 25

°C

G=+12dB, RL=8

Ω

2.7

3.3

100

Weighted filter type A

Unweighted filter (20Hz to 20kHz)

Mode 7 - BTL, SPKout

G = +10.5dB, RL = 16

Ω

THD+N < 0.5%

Tamb = 25

°C

Vcc (V)

0.0

0.1

0.2

0.3

0.4

0.5

Vcc (V)

No loads

Tamb = 25

°C

100

1000

10000

-2

G=+1.5dB, RL=16

Ω,32Ω

G=+6dB, RL=16

Ω,32Ω

G=+12dB, RL=16

Ω,32Ω

Frequency (Hz)

Mode 3, 4

LHP, RHP

Cin = 330nF

Tamb 25

°C

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