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參數(shù)資料
型號: BM5446EFV-E2
廠商: Rohm Semiconductor
文件頁數(shù): 5/11頁
文件大?。?/td> 0K
描述: IC AMP SPEAKER W/DSP HTSSOP-B54
標(biāo)準(zhǔn)包裝: 1,500
類型: D 類
輸出類型: 2 通道(立體聲)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 10W x 2 @ 8 歐姆
電源電壓: 10 V ~ 26 V
特點: 消除爆音,短路和熱保護(hù)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: *
封裝/外殼: 54-VSSOP(0.295",7.50mm 寬)
包裝: *
Technical Note
3/32
BM5446EFV
www.rohm.com
2010.05 - Rev.B
2010 ROHM Co., Ltd. All rights reserved.
Electrical characteristics
(Unless otherwise specified Ta=25℃,Vcc=13V,f=1kHz,RL_SP=8,RL_DA=20k,RESETX=3.3V,MUTEX=3.3V,PDX=3.3V,
Gain=20dB, DSP: Through, fs =48kHz)
Parameter
Symbol
Limits
Unit
Conditions
Min.
Typ.
Max.
Total circuit
Circuit current
ICC1
-
60
120
mA
Pin 27, 30, 31, 51, 52,No load
Circuit current
(Power down mode)
ICC2
-
2.5
5
mA
Pin 27, 30, 31, 51, 52,No load
RESETX=0V, MUTEX=0V,PDX=0V
Open-drain terminal
Low level voltage
VERR
-
0.8
V
Pin 26,IO=0.5mA
Regulator output voltage 1
VREG_G
5.0
5.5
6.0
V
Pin 28, 54
Regulator output voltage 2
VREG_3
3.0
3.3
3.6
V
Pin 3
Regulator output voltage 3
VREG_15
1.3
1.5
1.7
V
Pin 16
High level input voltage
VIH
2.5
-
3.3
V
Pin 5 ~ 14, 22
Low level input voltage
VIL
0
-
0.8
V
Pin 5 ~ 14, 22
Input current
(Input pull-up terminal)
IIL
50
100
150
A
Pin 5 ~ 9,VIN = 0V
Input current
(Input pull-down terminal)
IIH
30
70
105
A
Pin 10 ~ 12, 22,VIN = 3.3V
Input current
(SCL, SDA terminal)
II
-
0
1
A
Pin 13, 14,VIN = 3.3V
Output current
(SCL, SDA terminal)
IO
-1
0
-
A
Pin 13, 14,VIN = 0V
High level output voltage
(S/PDIF output terminal)
VOH
2.75
3.3
-
V
Pin 23,IO=-0.6mA
Low level output voltage
(S/PDIF output terminal)
VOL
-
0
0.55
V
Pin 23,IO= 0.6mA
Speaker Output
Maximum momentary
output power 1
PO1
-
10
-
W
THD+n=10%,Gain=26dB
*7
Maximum momentary
output power 2
PO2
-
20
-
W
Vcc=18V,THD+n=10%,Gain=26d
B
*7
Total harmonic distortion
THDSP
-
0.07
-
%
PO=1W,BW=20~20kHz
*7
Crosstalk
CTSP
65
80
-
dB
PO=1W,BW=IHF-A
*7
Output noise voltage
(Sampling mode)
VNO_SP
-
140
280
Vrms -∞dBFS,BW=IHF-A
*7
Residual noise voltage
(Mute mode)
VNOR_SP
-
5
10
Vrms MUTEX=0V,-∞dBFS,BW=IHF-A
*7
PWM sampling frequency
fPWM1
-
512
-
kHz
fs=32kHz
*7
fPWM2
-
705.6
-
kHz
fs=44.1kHz
*7
fPWM3
-
768
-
kHz
fs=48kHz
*7
DAC Output
Maximum output voltage
VOMAX
0.85
1.0
-
Vrms
0dBFS,THD+n=1%
Channel Balance
CB
-1
0
1
dB
0dBFS
Total harmonic distortion
THDDA
-
0.05
0.5
%
-20dBFS,BW=20~20kHz
Crosstalk
CTDA
65
80
-
dB
0dBFS,BW=IHF-A
Output noise voltage
VNO_DA
-
10
20
Vrms -∞dBFS,BW=IHF-A
Residual noise voltage
VNOR_DA
-
3
10
Vrms MUTEX=0V,PDX=0V,
-∞dBFS,BW=IHF-A
*7 These items show the typical performance of device and depend on board layout, parts, and power supply.
The standard value is in mounting device and parts on surface of ROHM’s board directly.
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