Datasheet

Technical Note
2/31
BD5446EFV
www.rohm.com
2011.06 - Rev.C
© 2011 ROHM Co., Ltd. All rights reserved.
●Absolute maximum ratings (Ta=25℃)
Parameter
Symbol Ratings Unit Conditions
Supply voltage V
CC
30 V Pin 25, 28, 29, 53, 54 *1 *2
Power dissipation P
d
2.0 W *3
4.5 W *4
6.2 W *5
Input voltage V
IN
-0.3 ~ 4.5 V Pin 7 ~ 18, 21 *1
Open-drain terminal voltage V
ERR
-0.3 ~ 30 V Pin24 *1
Operating temperature range T
opr
-25 ~ +85 ℃
Storage temperature range T
stg
-55 ~ +150 ℃
Maximum junction temperature T
jmax
+150 ℃
*1 The voltage that can be applied reference to GND (Pin 6, 36, 37, 45, 46).
*2 Do not, however exceed Pd and Tjmax=150℃.
*3 70mm×70mm×1.6mm, FR4, 1-layer glass epoxy board (Copper on bottom layer 0%)
Derating in done at 16mW/℃ for operating above Ta＝25℃.
*4 70mm×70mm×1.6mm, FR4, 2-layer glass epoxy board (Copper on bottom layer 100%)
Derating in done at 36mW/℃ for operating above Ta＝25℃. There are thermal via on the board.
*5 70mm×70mm×1.6mm, FR4, 4-layer glass epoxy board (Copper on bottom layer 100%)
Derating in done at 49.6mW/℃ for operating above Ta＝25℃. There are thermal via on the board.
●Operating conditions (Ta=25℃)
Parameter
Symbol Ratings Unit Conditions
Supply voltage V
CC
10 ~ 26 V Pin 25, 28, 29, 53, 54 *1 *2
Minimum load impedance
(Speaker Output)
R
L_SP
5.4 Ω *6
Minimum load impedance
(DAC Output)
R
L_DA
20 kΩ Pin 22, 23
*6 Do not, however exceed Pd.
* No radiation-proof design.