Apogee DDX-2050 매뉴얼 - 페이지 5

{카테고리_이름} Apogee DDX-2050에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Apogee DDX-2050 13 페이지. All-digital high efficiency power amplifier

페이지 인쇄
60
55
50
O
45
U
T
40
P
W
35
R
30
W
R
25
M
S
20
15
10
5
0
5
8 Ohm Load, Iout = 3A
8 Ohm Load, Iout = 5A
6 Ohm Load, Iout = 3A
6 Ohm Load, Iout = 5A
4 Ohm Load, Iout = 3A
4 Ohm Load, Iout = 5A
Figure 2. Output Power vs. Supply Voltage for Stereo Bridge.
Figure 2 shows the full-scale output power (0dB FS digital input with unity amplifier gain) as a function
of Power Supply Voltage for 4, 6, and 8 Ohm loads. Output power is constrained for higher impedance
loads by the over-voltage protection limit of the DDX-2050 IC and by the over-current protection limit for
lower impedance loads. The minimum threshold for the over-current protection circuit is 3.0A (at 25 ºC)
but the typical threshold is 5A. Solid curves depict the worst case output power capability constrained
to a 3.0A current limit. Dashed curves depict typical output power capability of the device. Of course,
the output power curves assume proper thermal management of the power device's internal
dissipation.
PRELIMINARY
129 Morgan Drive, Norwood, MA 02062
CONTROLLED DOCUMENT: P_903-000030_Rev00 Data Sheet, DDX-2050.doc DRN: PRELIMINARY
Output Power vs Supply
10
15
Power Supply Voltage (VDC)
Specifications are subject to change without notice.
voice: (781) 551-9450
4Ω
6Ω
8Ω
20
25
fax: (781) 440-9528
DDX-2050
30
PRELIMINARY
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