TS4851 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TS4851
STMicroelectronics
TS4851 Datasheet PDF : 28 Pages
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TS4851
Figure 49: Crosstalk vs. frequency
(output mode 4)
0
Output mode 4
Vcc = 5V
-20 RL = 32Ω
G = +12dB
Pout = 100mW
BW < 125kHz
-40 Tamb = 25°C
-60
Lout -> Rout
Rout -> Lout
-80
20
100
1000
Frequency (Hz)
10000
Figure 50: Crosstalk vs. frequency
(output mode 4)
0
Output mode 4
Vcc = 3V
-20 RL = 32Ω
G = +12dB
Pout = 20mW
-40 BW < 125kHz
Tamb = 25°C
-60
Lout -> Rout
Rout -> Lout
-80
100
1000
Frequency (Hz)
10000
Figure 51: -3 dB lower cut off frequency vs.
input capacitor
100
Phone In Input
Tamb=25°C
Typical Input
Impedance
Minimum Input
Impedance
10
Maximum Input
Impedance
0.1
1
Input Capacitor ( F)
Electrical Characteristics
Figure 52: -3 dB lower cut off frequency vs.
input capacitance
Rin & Lin Inputs
All gain setting
Tamb=25°C
10 Typical Input
Impedance
Minimum Input
Impedance
Maximum Input
Impedance
1
0.1
1
Input Capacitor (µF)
Figure 53: Current consumption vs.
power supply voltage
10
No loads
9 Tamb = 25°C
8
Mode 7
7
Mode 2, 4, 6
6
5
4
Reset state
3
2
Mode 1, 3, 5
1
0
0
1
2
3
4
5
Vcc (V)
Figure 54: Power dissipation vs. output power
(speaker output)
1.4
Vcc=5V
1.2 F=1kHz
THD+N<1%
1.0
RL=4Ω
0.8
0.6
0.4
RL=8Ω
0.2
RL=16Ω
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Output Power (W)
18/28
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