TS487-1 datasheet(22/31 Pages) STMICROELECTRONICS

22 / 31 page

TS486-TS487

22/31

Fig. 75: PSRR vs Power Supply Voltage

Fig. 77: PSRR vs Input Capacitor

Fig. 79: PSRR vs Output Capacitor

Fig. 76: PSRR vs Bypass Capacitor

Fig. 78: PSRR vs Output Capacitor

Fig. 80: THD + N vs Output Power

100

1000

10000

100000

-70

-60

-50

-40

-30

-20

-10

Vcc = 2V

Vcc = 5V, 3.3V & 2.5V

Vripple = 200mVpp

Av = -2

Input = grounded

Cb = 1

µF

RL >= 16

Ω

Tamb = 25

°C

Frequency (Hz)

100

1000

10000

100000

-70

-60

-50

-40

-30

-20

-10

Cin = 100nF

Cin = 1

µF, 220nF

Vripple = 200mVpp

Av = -2, Vcc = 5V

Input = grounded

Cb = 1

µF, Rin = 20kΩ

RL >= 16

Ω

Tamb = 25

°C

Frequency (Hz)

100

1000

10000

100000

-70

-60

-50

-40

-30

-20

-10

Cout = 100

µF

Cout = 470

µF

Vripple = 200mVpp

Av = -2, Vcc = 5V

Input = grounded

Cb = 1

µF, RL = 32Ω

RL >= 16

Ω

Tamb = 25

°C

Frequency (Hz)

100

1000

10000

100000

-70

-60

-50

-40

-30

-20

-10

Cb = 4.7

µF

Cb = 2.2

µF

Cb = 1

µF

Vripple = 200mVpp

Av = -2

Input = grounded

Vcc = 5V

RL >= 16

Ω

Tamb = 25

°C

Frequency (Hz)

100

1000

10000

100000

-70

-60

-50

-40

-30

-20

-10

Cout = 220

µF

Cout = 470

µF

Vripple = 200mVpp

Av = -2, Vcc = 5V

Input = grounded

Cb = 1

µF, RL = 16Ω

RL >= 16

Ω

Tamb = 25

°C

Frequency (Hz)

100

0.01

0.1

Vcc=5V

Vcc=3.3V

Vcc=2.5V

Vcc=2V

RL = 16

Ω

F = 20Hz

Av = -4

Cb = 1

µF

BW < 22kHz

Tamb = 25

°C

Output Power (mW)

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