參數(shù)資料
型號(hào): BH3544F-E2
廠商: Rohm Semiconductor
文件頁數(shù): 2/7頁
文件大?。?/td> 0K
描述: IC AMP STEREO HEADPHONE 8SOP
標(biāo)準(zhǔn)包裝: 2,500
類型: AB 類
輸出類型: 耳機(jī),2-通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 62mW x 2 @ 16 歐姆
電源電壓: 2.8 V ~ 6.5 V
特點(diǎn): 靜音,熱保護(hù)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 8-SOP
封裝/外殼: 8-SOIC(0.173",4.40mm 寬)
包裝: 帶卷 (TR)
www.rohm.com
2012.10 - Rev.C
2011 ROHM Co., Ltd. All rights reserved.
Technical Note
2/8
BH3544F,BH3547F,BH3548F
●Electrical characteristics (Unless otherwise noted, Ta=25°C,VCC=5V,RL=32
,f=1kHz,BW=400~30kHz, VIN =-6dBV)
Parameter
Symbol
Limits(TYP.)
Unit
Conditions
BH3544F
BH3547F
BH3548F
Quiescent current
IQ
7
3.7
6.5
mA
VIN=0Vrms
Mute pin control voltage H
VTMH
1.6<
V
Mute OFF
Mute pin control voltage L
VTML
<0.3
V
Mute ON
Gain
GVC
6
dB
-
Gain difference between
channels
ΔGVC
0
dB
-
Total harmonic distortion
THD
0.02
0.05
0.02
%
BW=20~20kHz
Rated output 1
PO1
31
46
31
mW
RL=32
,THD<0.1%
(BH3541F,BH3544F,BH3548F)
RL=32
,THD<0.3%
(BH3547F)
Rated output 2
PO2
62
77
62
mW
RL=16
,THD<0.1%
(BH3541F,BH3544F,BH3548F)
RL=16
,THD<0.5%
(BH3547F)
Rated output 3
PO3
-
120
mW
RL=8
,THD<0.25%
(BH3548F)
Output noise voltage
VNO
-93
dBV
BW=20~20kHz,Rg=0
Channel separation
CS
-90
-87
-90
dB
Rg=0
Mute attenuation
ATT
-80
dB
Rg=0
Ripple rejection
RR
-57
dB
fRR=100Hz,VRR=-20dBV
Input resistance
Rin
90
k
-
●Reference data
BH3544F
Fig. 1 Quiescent current vs.
power supply voltage
Fig. 2 in DC current vs.
power supply voltage
Fig. 3 Output voltage vs.
Mute control voltage
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