BH3548F
Standard Headphone Amplifier
BH3548F
Standard Headphone Amplifier
BH3548F is headphone amplifier suitable for portable products. BH3548F has a fixed gain of 6 dB, so external resistors for gain setting are not needed. Package of BH3548F is pin-to-pin compatible (SOP-8), enable to replace BH3541F / 44F / 47F each other easily. BH3548F also has mute functions that make it easy to prevent pop noise when power supply turns on / off. Moreover, thermal shutdown function is built-in. BH3548F can drive 8 / 16 / 32O. So, BH3548F is suitable for 8O receiver.
For Automotive usage, please contact Sales.
Product Detail
Specifications:
Iq[mA]
6.5
Ext. Gain
No
Gain [dB]
6
Output Type
SE
Number of Ch
2
Gain [dB]
6
Maximum Output [mW,RL=16Ω]
62+62
Maximum Output [mW,RL=32Ω]
31+31
Maximum Output [mW,RL=8Ω]
120+120
Minimum Load [Ω]
8
Input Type
Analog
THD+N [%,RL=16Ω]
0.02
S/N [dB]
93
Power Supply Voltage (Min.) [V]
4
Power Supply Voltage (Max.) [V]
5.5
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
5x6.2 (t=1.71)
Features:
・Built-in mute function for preventing pop noise when power supply turns ON or OFF・Built-in thermal shutdown circuit (150℃) to prevent IC destruction due to short circuit
・Compact SOP8 package
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BH3548F-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.
