BD5471MUV 查看數據表（PDF） - ROHM Semiconductor
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BD5471MUV Datasheet PDF : 22 Pages
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BD5471MUV
Technical Note
●Electric Characteristics(Unless otherwise specified, Ta=+25℃, VDD=+5.0V, RL=8Ω, AC item= LC Filter(L=22µH, C=1µF) )
Parameter
Circuit current (Active)
Circuit current (Standby)
Circuit current (Regulator)
Circuit current (Shutdown)
<Speaker Amplifier>
Output power 1
Output power 2
Symbol
ICC
ISTBY
ICCR
ISD
MIN.
―
―
―
―
Limits
TYP.
5.5
MAX.
12.0
0.1
1.0
0.15 1.0
0.1
2.0
Unit
Conditions
mA
Active mode,
MUTE=H, EAPD=H, No load
mA Standby mode, MUTE=H,EAPD=L
mA
Regulator Mode, MUTE=EAPD=L
REG_SD=H
µA
Shutdown mode, MUTE=L,
REG_SD=L
PO1
0.8
1.2
―
W
BTL, f=1kHz, THD+N=1%,
Stereo input, *1, *2
PO2
1.0
1.5
―
W
BTL, f=1kHz, THD+N=10%,
Stereo input, *1, *2
5.5
6.0
6.5
dB BTL, G0=G1=GND
Voltage gain
11.5
12
12.5
dB BTL, G0=GND, G1=VDD
GV
17.5
18
18.5
dB BTL, G0=VDD, G1=GND
23.5
24
24.5
dB BTL, G0=G1=VDD
Total harmonic distortion
Crosstalk
S/N
Switching Frequency
THD+N ―
0.2
1.0
% BTL, Po=0.7*PO1 *1, *2
CT
60
70
―
dB BTL, f=1kHz *1, *3
SNR
70
90
―
dB BTL, Po=PO1 *1, *3
fosc
175 250 325 kHz
Start-up time
Ton
0.78 1.02 1.46 msec
63
90
117 kΩ G0=G1=GND
Input resistance
42
60
78
kΩ G0=GND, G1=VDD
RIN
25
36
47
kΩ G0=VDD, G1=GND
<Regulator>
Output voltage
14
20
26
kΩ G0=G1=VDD
Vo
3.15 3.30 3.45
V Io=150mA
Maximum output current
Iom
150 200
―
mA Vo=3.15V
Load regulation
LREG
―
0.2
1
<Control terminal (MUTE, G0, G1, EAPD, BEEP, REG_SD) >
Control terminal High-level
VCTLH
1.4
input voltage
Low-level
VCTLL
0
― VDD
―
0.4
Control terminal input current
ICTL
22
33
44
*1: B.W.=400 ~ 30kHz, BTL:The voltage between 3pin and 6pin, 13pin and 16pin
mV/mA Io=0→150mA
V
V
µA
Control terminal Input voltage
VCTL=5V
●Active / Standby Control
Mode
Pin level
MUTE
H/L
EAPD
H/L
BEEP
H/L
REG_SD
H/L
Conditions
IC active/ shutdown
IC active/standby
IC active/standby
REG active/shutdown
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2/21
2010.06 - Rev.A
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