参数资料
型号: BH3547F-E2
厂商: Rohm Semiconductor
文件页数: 4/7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: 77mW x 2 @ 16 欧姆
电源电压: 4.5 V ~ 5.5 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
4/8
BH3544F,BH3547F,BH3548F
5
6
7
8
3
4
VCC
OUT2
BIAS
IN2
90k
6dB
BIAS
MUTE
TSD
2
1
OUT1
MUTE
IN1
GND
●Block diagram
Fig. 13
●Measurement circuit
Fig. 14
8
7
6
5
1
2
3
4
BIAS
+
90k
MUTE
TSD
6dB
R5
1
2
VIN2
SW5
47μ
IN2
BIAS
VCC
CVCC
10μ
V
330μ
V7AC
1
2
32
16
330μ
V
1
2
32
16
SW7
SW1
A IQ
SW8B
12
SWBA
VRR
VCC
V1AC
OUT1
MUTE
IN1
GND
1
2
VIN1
SW3
R3
OUT2
VTM
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