U4083B Datasheet, PDF (7/16 Pages) TEMIC Semiconductors – Low-Power Audio Amplifier for Telephone Applications

8. Typical Temperature Performance
T_amb = –20 to +70° C
Function
Input bias current at V_i
Total harmonic distortion
V_S = 6.0V, R_L = 32 Ω, P_o = 125 mW, f = 1.0 kHz
Power supply current
V_S = 3.0V, R_L = α, CD = 0V
V_S = 3.0V, R_L = α, CD = 2.0V
Typical Change
±40
+0.003
–2.5
–0.03
Figure 8-1. Turn-on Time versus C₁ and C₂ at Power On
360
300
240
C₁ = 5 µF
180
120
60
0
0
1 µF
V_S switching from 0 to +6V
2
4
6
8
10
C₂ (µF)
U4083B
Units
pA/° C
%/° C
µA/° C
µA/° C
Figure 8-2. Amplifier 1 — Open-loop Gain and Phase
100
99.33
80
Phase
92.67
60
86.00
40
20
0
0.1
Gain
1
10
100
f (kHz)
79.33
72.67
66.00
1000
7
4655C–CORD–03/06