U4083B Datasheet, PDF (8/16 Pages) TEMIC Semiconductors – Low-Power Audio Amplifier for Telephone Applications

Figure 8-3. Differential Gain versus Frequency
40 _{Rf = 150 k}
R_i = 6 k
32
R_f = 75 k
R_i = 3 k
24
Input ^Ci
R_i
16
0.1 µF
8
R_f
V_O1
Amp 1 _Outputs
V_O2
Amp 2
0
0
1
10
100
Frequency (kHz)
Figure 8-4. Power Supply Rejection versus Frequency — C₂ = 10 µF
6600
CC₁₁ >> 11 µµFF
5500
CC₁₁ == 00..11 µµFF
4400
C_{2C=2 =10µµFF}
3300
2200
CC₁₁ == 00
1100
00..11
11
1100
110000
ff ((kkHHzz))
Figure 8-5. Power Supply Rejection versus Frequency — C₂ = 5 µF
60
C₁ > 1 µF
50
CC₁ = 0.1 µF
40
C₂ = 5 µF
30
20
C₁= 0
10
0.1
1
10
100
f (kHz)
8 U4083B
4655C–CORD–03/06