參數(shù)資料
型號(hào): HMP8172
廠商: Intersil Corporation
英文描述: NTSC/PAL Video Encoder
中文描述: NTSC / PAL視頻編碼器
文件頁數(shù): 31/33頁
文件大小: 232K
代理商: HMP8172
31
For proper operation, power supply decoupling is required. It
should be done using a 0.1
μ
F ceramic capacitor in parallel
with a 0.01
μ
F chip capacitor for each group of V
AA
pins to
ground. These capacitors should be located as close to the
V
AA
and GND pins as possible, using short, wide traces.
If a separate linear regulator is used to provide power to the
HMP817x power plane, the power-up sequence should be
designed to ensure latchup will not occur. A separate linear
regulator is recommended if the power supply noise on the
VAA pins exceeds 200mV. About 10% of the noise (that is
less than 1MHz) on the VAA pins will couple onto the analog
outputs.
External Reference Voltage
If an external reference voltage is used, its circuitry should
receive power from the same plane as the HMP817x. The
external VREF must also be stable and well decoupled from
the power plane. An example VREF circuit using a band gap
reference diode is shown in Figure 27.
FIGURE 26A. V
CC
AND V
AA
PLANES
FIGURE 26B. COMMON GROUND PLANE
FIGURE 26. EXAMPLE POWER AND GROUND PLANES
LP
VCC
VAA
BEAD
CAPACITOR
8154/8156A
817x
PCB
CONN.
FILTERS
FERRITE
BULK AREA
ANALOG
LP
GND
8154/8156A
817x
PCB
CONN.
FILTERS
ANALOG
HMP8170, HMP8171, HMP8172, HMP8173
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HMP8172CN 制造商:Rochester Electronics LLC 功能描述:- Bulk
HMP8173 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder
HMP8173CN 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder
HMP817XEVAL1 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder
HMP8190 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder