TS487 STMICROELECTRONICS [STMicroelectronics], TS487 Datasheet - Page 21

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

Fig. 69: Crosstalk vs Frequency
Fig. 71: Crosstalk vs Frequency
Fig. 73: Signal to Noise Ratio vs Power Supply
Voltage with Unweighted Filter (20Hz to 20kHz)
80
60
40
20
80
60
40
20
100
0
0
98
96
94
92
90
88
86
84
82
20
20
2.0
Av = -2
Cb = 1 F
THD+N < 0.4%
Tamb = 25 C
ChB to ChA
2.5
100
100
ChB to ChA
RL=16
ChA to ChB
Power Supply Voltage (V)
3.0
Frequency (Hz)
Frequency (Hz)
ChA to ChB
RL=600
3.5
1000
1000
RL=32
4.0
RL=16
Vcc=5V
Pout=85mW
Av=-2
Cb = 1 F
Bw < 125kHz
Tamb=25 C
RL=32
Vcc=5V
Pout=55mW
Av=-2
Cb = 1 F
Bw < 125kHz
Tamb=25 C
4.5
10000
10000
20k
20k
5.0
Fig. 70: Crosstalk vs Frequency
Fig. 72: Crosstalk vs Frequency
Fig. 74: Signal to Noise Ratio vs Power Supply
Voltage with Weighted Filter Type A
80
60
40
20
80
60
40
20
104
102
100
0
0
98
96
94
92
90
88
86
84
82
20
20
2.0
Av = -2
Cb = 1 F
THD+N < 0.4%
Tamb = 25 C
ChB to ChA
ChB to ChA
2.5
100
100
ChA to ChB
ChA to ChB
RL=16
Power Supply Voltage (V)
3.0
Frequency (Hz)
Frequency (Hz)
RL=600
3.5
1000
1000
RL=32
4.0
TS486-TS487
RL=16
Vcc=2V
Pout=7.5mW
Av=-2
Cb = 1 F
Bw < 125kHz
Tamb=25 C
RL=32
Vcc=2V
Pout=6mW
Av=-2
Cb = 1 F
Bw < 125kHz
Tamb=25 C
4.5
10000
10000
20k
20k
5.0
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