BH3544F, BH3547F, BH3548F are headphone amplifiers suitable for portable products. BH3544F, BH3547F, BH3548F has a fixed gain of 6 dB. External resistors for gain setting are not needed. Package of 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 eas.
1) Built-in mute function for preventing pop noise when power supply turns on/off 2) Built-in thermal shutdown function 3) BH3544F, BH3547F, BH3548F are pin-to-pin compatible 4) SOP8 small package
●Applications TV, Desktop PC, Notebook PC, Camcorder and other equipment having headphone output
●Line up
Part No.
Supply voltage Quiescent current Amplifier gain Output [RL=16Ω] load impedance Operating temperature range
BH3544F
BH3547F
+2.8 ~ +6.5
+4.5 ~ +6.5
7.0 3.7
6
62 77
16 / 32
-25 ~ +75
BH3548F +4.0 ~ +5.5
6.5
62 8/16/32 -40 ~ +85
Unit
V mA dB mW Ω ℃
●Absolute maximum ratings(Ta.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | BH3540AFS |
Rohm |
Headphone amplifier | |
2 | BH3541F |
Rohm |
Standard Headphone Amplifiers | |
3 | BH3544F |
Rohm |
Standard Headphone Amplifiers | |
4 | BH3547F |
Rohm |
Standard Headphone Amplifiers | |
5 | BH3514BFV |
RF Monolithics |
RF AMplifier | |
6 | BH3515FV |
RF Monolithics |
RF AMplifier | |
7 | BH3527FV |
Rohm |
Line amplifier | |
8 | BH3532FS |
Rohm |
Audio digital potentiometers | |
9 | BH3561AF |
Rohm |
Post amplifier | |
10 | BH3562F |
Rohm |
Post amplifier | |
11 | BH3563FV |
Rohm |
Post amplifier | |
12 | BH30FB1WG |
ROHM |
Standard CMOS LDO Regulators |