BH3547F
Standard Headphone Amplifiers
BH3547F
Standard Headphone Amplifiers
BH3547F是面向数字源的耳机放大器，增益固定为6dB，不需要外置增益设定。通过内置静噪功能可简单地进行电源ON-OFF时的噪音防止对策。另外，通过内置热关断电路，防止短路等引起的IC破坏。
主要规格
特性：
Iq[mA]
3.7
Ext. Gain
No
Gain [dB]
6
Output Type
SE
Number of Ch
2
Gain [dB]
6
Maximum Output [mW,RL=16Ω]
77+77
Maximum Output [mW,RL=32Ω]
46+46
Minimum Load [Ω]
16
Input Type
Analog
THD+N [%,RL=16Ω]
0.05
S/N [dB]
94
Power Supply Voltage (Min.) [V]
4.5
Power Supply Voltage (Max.) [V]
6.5
Operating Temperature (Min.)[°C]
-25
Operating Temperature (Max.)[°C]
75
Package Size [mm]
5x6.2 (t=1.71)
特点：
・通过内置静噪功能可以防止电源ON-OFF时的噪音・通过内置热关断电路(150℃)防止短路引起的IC破坏
・SOP8pin的小型封装
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BH3547F-EVK-001
BH3544F, BH3547F, BH3548F are headphone amplifiers suitable for portable products. Maximum Output is 0.062～0.077W (typ). BH3544F, BH3547F, BH3548F is pin-to-pin compatible (SOP8), enable to replace each other easily. BH3544F, BH3547F, BH3548F also has mute functions that make it easy to prevent pop noise when power supply turns on/off.
