MB3829 Datasheet, PDF (13/24 Pages) Fujitsu Component Limited. – System Power Supply IC for Mobile Telephone

2. Speaker amplifier section
Parameter
Symbol
Speaker
amplifier
section
Voltage gain
Release voltage gain
Output power
Output voltage
Offset voltage between output
Distortion rate of all high frequencies
Ripple extraction ratio
Rise time
Earphone
Voltage gain
Output voltage
Rise time
Input impedance
Input - ON condition
Input - OFF condition
Input current
Power - supply current at standby
Power - supply current at no load
(Speaker mode)
A_V
A_VO
P_D
V_O
V_OO
THD
PSRR
T_R
A_VI
V_OI
T_R
R_IN
V_ON
V_OFF
I_IH
I_IL
I_CC1
I_CC2
Condition
Non - INV input
f £ 100 Hz
*
R_L = 32 W, THD = 10 %
No load
-
P_O ³ 25 mW
-
*
P_O ³ 25 mW, BP=4.7mF ^*
-
No load
P_O ³ 6 mW, BP=4.7mF ^*
-
-
-
V_SB=3.0V
V_SB=0.4V
-
When no signal
Min.
22
—
60
3.8
- 50
—
33
—
16
1.4
—
20
2.0
0
—
—
—
—
Power - supply current at no load
(Earphone mode)
I_CC3
When no signal
—
Speaker ON condition
VSON
-
0
Earphone ON condition
VEON
-
2.0
*: Guaranteed by design
MB3829
(V_CC1,2,3 = +3.6V, T_A = +25°C)
Value
Unit
Typ.
Max.
24
26
dB
80
—
dB
90
—
mW
5.5
—
V
—
50
mV
0.5
1.0
%
45
—
dB
—
0.25
s
18
20
dB
2.75
—
V
—
0.25
s
30
50
kW
—
V_CC
V
—
0.8
V
17
30
mA
0
1
mA
0
10
mA
3
5
mA
1.5
2.5
mA
—
0.8
V
—
V_CC
V
13