TS487 STMICROELECTRONICS [STMicroelectronics], TS487 Datasheet - Page 24

• Manufacturer Part Number: TS487
• Description: 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

TS486-TS487
Fig. 87: THD + N vs Output Power
Fig. 89: THD + N vs Frequency
Fig. 91: THD + N vs Frequency
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0.1
0.1
1E-3
10
0.01
1
0.1
20
1
20
RL = 32
F = 20kHz
Av = -4
Cb = 1 F
BW < 125kHz
Tamb = 25 C
RL=16
Av=-4
Cb = 1 F
Bw < 125kHz
Tamb = 25 C
RL=600
Av=-4
Cb = 1 F
Bw < 125kHz
Tamb = 25 C
Vcc=5V, Po=85mW
100
Vcc=2.5V
100
Vcc=2V
Vcc=5V, Vo=1.3Vrms
Vcc=2V, Vo=0.5Vrms
Output Power (mW)
Frequency (Hz)
Frequency (Hz)
Vcc=2V, Po=7.5mW
Vcc=3.3V
10
1000
1000
Vcc=5V
10000
10000
100
20k
20k
Fig. 88: THD + N vs Output Power
Fig. 90: THD + N vs Frequency
Fig. 92: Crosstalk vs Frequency
80
60
40
20
1E-3
0.01
0.01
0
0.1
0.1
10
20
1
0.01
20
ChB to ChA
RL=32
Av=-4
Cb = 1 F
Bw < 125kHz
Tamb=25 C
RL = 600 , F = 20kHz
Av = -4, Cb = 1 F
BW < 125kHz, Tamb = 25 C
Vcc=5V, Po=55mW
100
100
ChA to ChB
Output Voltage (Vrms)
Vcc=2V, Po=6mW
Frequency (Hz)
Frequency (Hz)
0.1
Vcc=2.5V
1000
Vcc=2V
1000
Vcc=3.3V
Vcc=5V
RL=16
Vcc=5V
Pout=85mW
Av=-4
Cb = 1 F
Bw < 125kHz
Tamb=25 C
10000
1
10000
20k
20k