Rohm BD5446EFV, Техническая заметка

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Technical Note
2/30
BD5446EFV
www.rohm.com
2010.05 - Rev.B
© 2010 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 k Ω Pin 22, 23
*6 Do not, however exceed Pd.
* No radiation-proof design.
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