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參數資料
| 型號： | PEB2466-HV1.2 |
| 廠商： | SIEMENS A G |
| 元件分類： | 編解碼器 |
| 英文描述： | Four Channel Codec Filter with PCM- and m-Controller Interface SICOFI4-mC |
| 中文描述： | A/MU-LAW, PCM CODEC, PQFP64 |
| 文件頁數： | 81/82頁 |
| 文件大?。?/td> | 3330K |
| 代理商： | PEB2466-HV1.2 |
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PEB 2466
Guidelines for Board-Design
Semiconductor Group
81
02.97
9
Guidelines for Board-Design
9.1
Keep in mind that inside the SICOFI-4-
μ
C all the different
V
DD
-supplies are connected
via the substrate of the chip, and the areas connected to different grounds are separated
on chip.
a) Separate all digital supply lines from analog supply lines as much as possible.
b) Use a separate GND-connection for the capacitor which is filtering the reference
voltage (220 nF ceramic-capacitor at
V
REF
).
c)
Don’t use a common ground-plane under the SICOFI-4-
μ
C.
d) Use a large ground-plane (distant from the SICOFI-4-
μ
C) and use three single
ground lines for connecting the SICOFI-4-
μ
C: one common analog ground, one
digital ground, and a third for the 220 nF capacitor connected to
V
REF
.
Board Layout Recommendation
9.2
Filter Capacitors
a) To achieve a good filtering for the high frequency band, place SMD
ceramic-capacitors with 100 nF from
V
DDA12
,
V
DDA32
and
V
DDREF
to GNDA.
b) One 100 nF SMD ceramic-capacitor is needed to filter the digital supply
(
V
DDD
to GNDD).
c) Place all filter capacitors as close as possible to the SICOFI-4-
μ
C
(most important!!!).
d) Use one central Tantalum-capacitor with about 1
μ
F to 10
μ
F to block
V
DD
to GND.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PEB2466HV2.2 | 功能描述:接口—CODEC POTS RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| PEB2466-HV2.2 | 制造商:Infineon Technologies AG 功能描述:PCM CODEC, Quad, 64 Pin, Plastic, QFP |
| PEB2466HV2.2/TR | 制造商:Lantiq 功能描述: |
| PEB2466HV2.2TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Infineon Technologies AG 功能描述: |
| PEB2466HV22XP | 制造商:Lantiq 功能描述:ICS FOR COMMUNICATIONS |
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