MIX3901
2X6W 内置升压立体声防破音 F 类音频放大器
Boost Module and D MODE Electrical Characteristics
(AVDD=3.6V, PVDD =7.0V, Gain=20dB, RL =4Ω, T =25°C, unless otherwise noted.)
Symbol
Parameter
Test Conditions
MIN TYP MAX
UNIT
AVDD
Supply Voltage
3.0
-
6.0
V
PVDD=7.0V
PVDD=6.0V
PVDD=7.0V
PVDD=6.0V
6.2
4
THD+N=10%,f=1KHZ,RL=4 Ω
THD+N=1%,f=1KHZ,RL=4 Ω
W
W
PO
Output Power
5.5
3.5
0.05
0.05
19.5
PVDD=7.0V, PO=2W, RL=4 Ω
PVDD=6.0V, PO=1W, RL=4 Ω
Total Harmonic
THD+N
GV
f=1KHz
Ri = 47K
f=1KHz
f=1KHz
%
Distortion Plus Noise
Gain
dB
dB
dB
Power Supply Ripple
Rejection
PSRR
SNR
AVDD=3.6V±200mVp-p
60
Signal-to-Noise Ratio
AVDD=3.6V, PVDD=7.0V,
85
A-weighting
No
100
AVDD=3.6V,Input floating with
Vn
Output Noise
μV
CIN=0.1μF
150
A-weighting
f=1KHz
Dyn
Dynamic Range
Efficiency
AVDD=5.0V,THD=1%
RL=4 Ω, Po=5W
AVDD=5.0V
90
80
25
20
dB
%
η
No Load
IQ
Quiescent Current
mA
Boost ON
AVDD=3.0V
ISD
Shutdown Current
Offset Voltage
Oscillator Frequency
Setup Time
－
AVDD=3V to 6V
VENB=VENA=0V
10
μA
mV
khz
mS
Vos
Fosc
Tst
VIN=0V, AVDD=3.6V
10
420
300
180
40
Bypass capacitor =1uF
OTP
OTH
No Load, Junction
Temperature
V
DD=5.0V
°C
－
Boost ModuleElectrical Characteristics
Symbol
Parameter
Boost Frequency
Boost feedback
Voltage
Test Conditions
MIN TYP MAX
UNIT
Fsw
AVDD=3.6V
1
MHz
Vfb
Ilim
ISDB
AVDD=3.6V
AVDD=3.6V
AVDD=3.6V
1.19
1.23
5.5
1.27
3
V
A
Boost input current limit
Boost Shutdown
Current
uA
Boost Quiescent
Current
IQB
AVDD=3.6V
1
mA
Shanghai Mixinno Microelectronics Co., Ltd
Rev 1.4 May.2016
4 / 10
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
