参数资料
型号: EVAL-SSM2380Z
厂商: Analog Devices Inc
文件页数: 13/32页
文件大小: 0K
描述: BOARD EVALUATION FOR SSM2375
标准包装: 1
放大器类型: D 类
输出类型: 2 通道(立体声)
在某负载时最大输出功率 x 通道数量: 3.2W x 2 @ 4 欧姆
板类型: 完全填充
已用 IC / 零件: SSM2380
已供物品:
SSM2380
Rev. A | Page 20 of 32
POWER SUPPLY DECOUPLING
To ensure high efficiency, low total harmonic distortion (THD),
and high PSRR, proper power supply decoupling is necessary.
Noise transients on the power supply lines are short-duration
voltage spikes. Although the actual switching frequency is typi-
cally 325 kHz, these spikes can contain frequency components
that extend into the hundreds of megahertz.
The power supply inputs must be decoupled with a good
quality, low ESL, low ESR capacitor, usually of approximately
4.7 μF. This capacitor bypasses low frequency noises to the
ground plane.
For high frequency transient noises, use a 0.1 μF capacitor
as close as possible to the VDD pins of the device. Placing the
decoupling capacitors as close as possible to the SSM2380 helps
to maintain efficient performance.
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