4 x 100W 클래스 D 오디오 앰프 -TDA7498
(4 x 100 Watt Class D Audio Amplifier Board - TDA7498)
개요
- 본 제품은 4 x 100W Class D 오디오 앰프 보드입니다.
- TDA7498칩을 탑재하여 채널당 100W의 출력을 전달할 수 있습니다.
- 높은 효율을 보여주며, 좋은 부품을 사용하여 높은 SNR, 낮은 THD+N, 넓은 주파수 반응 범위를 구현하였습니다.
특징
- Size: 6 " x 4.5 "
- Standby and mute function
- Supply voltage: DC 14V to 39V
- Gain adjustable
- Over/under voltage protection
- Over current protection
- Over temperature protection
-
Applications:
- Personal computers
- Home DIY
- Vending machines, Lifts,Interactive kiosks
- Home theater receiver
- Car audio
- Multi-channel distribution
- Background music systems
-
Electrical Specification:
Specifications typical @ +25℃, Powered by 36V DC, unless otherwise noted. Specifications
subject to change without notice.
Parameter
Conditions
Min.
Typ.
Max.
Units
Power Supply
-
14
36
-
VDC
Idle Power
SD Floating, FAN ON
-
7.9
12
W
SD Floating, FAN OFF
-
5.4
8
W
Standby Power
SD Connected to GND, FAN OFF
-
2.2
5
W
Maximum Current
400W @ 6 Ohm
-
12.3
-
A
Efficiency
100W @ 6 Ohm
87
-
92
%
Minimum Load Impedance
-
-
6
-
Ω
Switching Frequency
SD Floating
-
360
-
KHz
Fan Active @ Temperature
-
-
50
-
℃
-
Audio Specification:
Specifications typical @ +25℃, Powered by 36V DC, unless otherwise noted. Specifications
subject to change without notice.
Parameter
Conditions
Min.
Typ.
Max.
Units
Gain
-
24
25
26
dB
Input Sensitivity(RMS)
@ 6 Ohm, 100W, 1Khz
-
1.352
-
V
Input Impedance
-
-
33
-
KΩ
Output Power
@ 6 Ohm, THD+N 1%
-
70
-
W
@ 6 Ohm, THD+N 10%
-
100
-
W
Bandwidth @ ±3dB
@ 6 Ohm
20
-
20K
Hz
THD
@ 6 Ohm, 1W, 1Khz
-
0.0409
-
%
@ 6 Ohm, 10W, 1Khz
-
0.07
-
%
Output Noise Level
A-weighting, Input Connected to GND
-
266.31
-
µV
SNR
70W @ 6 Ohm, THD+N 1%
-
95.38
-
dB
문서
- datasheet
-
Typical Performance Graphs:Frequency response:Noise Floor:THD+N VS Frequency:Thermal Image:All parameters were tested with Rohde & Schwarz UPV audio analyzer and AP AUX0025 filter with AES17 filter enabled.
연관제품
- 연관제품 1