2 x 15W 클래스 D 오디오 앰프 -MAX9736A
(2 x 15 Watt Class D Audio Amplifier Board
- MAX9736A)
개요
- 본 제품은 MAX9736A칩을 탑재한 Class D 오디오 앰프입니다.
- 고성능으로 방열 효율이 좋은 솔루션입니다.
- 8오옴 로드에 2x15W의 출력을 전달할 수 있습니다.
- 8-28VDC 에서 동작하며, 높은 PSRR을 제공합니다.
- MAX9736칩은 12V에서 약 88%까지의 효율을 보여줍니다.
- 셧다운이나 뮤트시에 발생하는 노이즈를 최소화하기 위한 회로를 탑재하였습니다.
특징
- Size: 3.6 inch x 2.7 inch
- Mute and standby function
- Supply voltage: DC 8V to 28V
- Thermal and output current protection
- nt of an extra heat sink.
-
Applications:
- Desktop amplifier
- Personal computers
- Microphone preamplifier
- Home DIY
- Vending machines, Lifts,
- Interactive kiosks
- Home theater receiver
- Car audio
-
Specification:Following table lists all typical data of the Amp board. For full specification, please refer to the
data sheet of MI's MAX9736A chip.
TA = 25℃, fIN = 1 kHz sine wave, RL = ∞, VVS = 5V. (Unless otherwise stated)Parameter
Conditions
Min
Typ
Max
Supply Voltage (V)
Inferred from PSRR test
8
-
28
Quiescent Current (mA)
RL = ∞, VREGEN = 5V,
VVS = openTA = +25°C
30
45
TA = TMIN to TMAX
-
-
50
RL = ∞, VREGEN = 0V,
VVS = 5VTA = +25°C
14
20
TA = TMIN to TMAX
-
-
22
Input Sensitivity (V)
-
-
0.833
-
Input Impedance (Kohm)
-
-
22
-
Gain (dB)
MAX9736A
16.5
17
17.5
Output Power
(THD+N= 1%) (W rms)VPVDD = 12V
RL = 8Ω
-
8
-
RL = 4Ω
-
13
-
VPVDD = 18V
RL = 8Ω
-
13.5
-
VPVDD = 24V
RL = 8Ω
-
13.5
-
Output Power
(THD+N= 10%) (W rms)(Thermal limited)
VPVDD = 12V
RL = 8Ω
-
10
-
RL = 4Ω
-
15
-
VPVDD = 18V
RL = 8Ω
-
15
-
VPVDD = 24V
RL = 8Ω
-
15
-
Efficiency (%)
PO = 8W, MAX9736A,
PVDD = 12V ,RL = 8Ω
-
88
-
Minimum Load (ohm)
-
-
8
-
Frequency Response (Hz)
±3dB
20
-
22k
Operating Temperature (℃)
-
0
20
50
-
Safety Precautions:
1. In order to achieve a better sound quality, please use stable power supply since a bad or unstable
power supply may worsen the sound quality or even cripple the amplifier board.
2. Avoid metal objects
Protect this product well and move away metal objects from this product.
문서
연관제품
- 연관제품 1