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參數(shù)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(shù)： | 52/82頁 |
| 文件大?。?/td> | 3330K |
| 代理商： | PEB2466-HV1.2 |
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PEB 2466
Programming the SICOFI
-4-
μ
C
Semiconductor Group
52
02.97
Operating Mode
The operating mode for any of the four channels is entered upon recognition of a PU-bit
set to ‘1’ in a CR1-register for the specific channel.
3.6.2
Based on an advanced digital filter concept, the PEB 2466 provides excellent
transmission performance and high flexibility. The new filter concept leads to a maximum
independence between the different filter blocks.
Programmable Filters
Impedance Matching Filter
Transhybrid Balancing (TH) Filter
Realization by 3 different loops
– 4 MHz:
– 128 kHz:
Multiplication by a constant
Wave Digital Filter (IIR)
Improves low frequency response
FIR-Filter
For fine-tuning
(12 bit)
(60 bit)
– 64 kHz:
(48 bit)
Improved stability behavior of feedback loops
Real part of termination impedance positive under all conditions
Improved overflow performance for transients
Return loss better 30 dB
New concept: 2 loops at 16 kHz
Flexible realization allows optimization of wide impedance range
Consists of a fixed and a programmable part
– 2nd order Wave Digital Filter (IIR)
Improves low frequency response
– 7-TAP FIR-Filter
For fine-tuning
Trans-Hybrid-Loss better 30 dB (typically better 40 dB, device only)
Adaptation to different lines by:
– Easy selection between four different downloaded coefficient sets
(106 bit)
(84 bit)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)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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