参数资料
| 型号： | BH3544F-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 2/7页 |
| 文件大小： | 0K |
| 描述： | IC AMP STEREO HEADPHONE 8SOP |
| 标准包装： | 2,500 |
| 类型： | AB 类 |
| 输出类型： | 耳机，2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 62mW x 2 @ 16 欧姆 |
| 电源电压： | 2.8 V ~ 6.5 V |
| 特点： | 静音，热保护 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 8-SOP |
| 封装/外壳： | 8-SOIC（0.173"，4.40mm 宽） |
| 包装： | 带卷 (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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相关代理商/技术参数 |
参数描述 |
|---|---|
| BH3547F | 制造商:ROHM 制造商全称:Rohm 功能描述:Standard Headphone Amplifiers |
| BH3547F-E2 | 功能描述:音频放大器 HEADPHONE AMP RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| BH3548F | 制造商:ROHM 制造商全称:Rohm 功能描述:Standard Headphone Amplifiers |
| BH3548F-E2 | 制造商:ROHM Semiconductor 功能描述:AUDIO AMP HEADPHONE 8-PIN SOP T/R - Tape and Reel 制造商:ROHM Semiconductor 功能描述:IC HEADPHONE AMP STD 8-SOP 制造商:ROHM Semiconductor 功能描述:AUDIO AMP HEADPHONE 8PIN |
| BH3561AF | 制造商:ROHM 制造商全称:Rohm 功能描述:Post amplifier applicable with 1-bit D / A converter |
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