TS4871 ST Microelectronics, Inc., TS4871 Datasheet - Page 18

• Manufacturer Part Number: TS4871
• Description: 1W Mono Audio Amplifier With Standby Active High
• Manufacturer: ST Microelectronics, Inc.

TS4871
Fig. 75 : Current Consumption vs Standby
Voltage @ Vcc = 2.6V
Fig. 77 : Clipping Voltage vs Power Supply
Voltage and Load Resistor
Fig. 79 : Vout1+Vout2 Unweighted Noise Floor
18/28
120
100
80
60
40
20
0
6
5
4
3
2
1
0
20
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.5
Vcc = 2.5V to 5V, Tamb = 25 C
Cb = Cin = 1 F
Input Grounded
BW = 20Hz to 20kHz (Unweighted)
Tamb = 25 C
Standby mode
0.5
100
3.0
Power supply Voltage (V)
1.0
Frequency (Hz)
Vstandby (V)
3.5
RL = 8
1000
1.5
4.0
RL = 16
2.0
Vcc = 2.6V
Tamb = 25°C
RL = 4
4.5
Av = 2
Av = 10
10000
2.5
5.0
Fig. 76 : Current Consumption vs Standby
Voltage @ Vcc = 3.3V
Fig. 78 : Clipping Voltage vs Power Supply
Voltage and Load Resistor
Fig. 80 : Vout1+Vout2 A-weighted Noise Floor
120
100
80
60
40
20
0
6
5
4
3
2
1
0
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
20
2.5
Vcc = 2.5V to 5V, Tamb = 25 C
Cb = Cin = 1 F
Input Grounded
BW = 20Hz to 20kHz (A-Weighted)
Tamb = 25 C
0.5
Standby mode
100
3.0
1.0
Power supply Voltage (V)
Frequency (Hz)
Vstandby (V)
3.5
1.5
RL = 8
1000
2.0
4.0
RL = 16
2.5
Vcc = 3.3V
Tamb = 25°C
RL = 4
Av = 10
Av = 2
4.5
10000
3.0
5.0