TS4994 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
TS4994
STMicroelectronics
'TS4994' PDF : 31 Pages View PDF
Electrical Characteristics
Figure 39. CMRR vs. frequency
0
-10 Vcc = 2.6V
Vic = 200mVpp
-20 Av = 2.5, Cin = 470µF
-30 RL ≥ 8Ω
Tamb = 25°C
-40
-50
-60
-70
Cb=1µF
Cb=0.47µF
Cb=0.1µF
Cb=0
-80
-90
-100
20
100
1000
Frequency (Hz)
10000 20k
Figure 40. CMRR vs. common mode input
voltage
0
-20
Vcc=2.5V
Vcc=3.3V
-40
Vic = 200mVpp
F = 217Hz
Av = 1, Cb = 1µF
-60
RL ≥ 8Ω
Tamb = 25°C
-80
-100
Vcc=5V
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Common Mode Input Voltage (V)
Figure 41. CMRR vs. common mode input
voltage
0
-20
Vcc=2.5V
-40
-60
-80
Vcc=3.3V
Vic = 200mVpp
F = 217Hz
Av = 1, Cb = 0
RL ≥ 8Ω
Tamb = 25°C
-100
Vcc=5V
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Common Mode Input Voltage (V)
TS4994
Figure 42. THD+N vs. output power
10
RL = 8Ω
F = 20Hz
1 Av = 1
Cb = 1µF
BW < 125kHz
Tamb = 25°C
0.1
Vcc=2.6V
Vcc=3.3V
Vcc=5V
0.01
1E-3
1E-3
0.01
0.1
1
Output Power (W)
Figure 43. THD+N vs. output power
10
RL = 8Ω
F = 20Hz
1 Av = 2.5
Cb = 1µF
BW < 125kHz
Tamb = 25°C
0.1
Vcc=2.6V
Vcc=3.3V
Vcc=5V
0.01
1E-3
1E-3
0.01
0.1
1
Output Power (W)
Figure 44. THD+N vs. output power
10
RL = 8Ω
F = 20Hz
Av = 7.5
1 Cb = 1µF
BW < 125kHz
Tamb = 25°C
0.1
Vcc=2.6V
Vcc=3.3V
Vcc=5V
0.01
1E-3
0.01
0.1
1
Output Power (W)
13/31
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