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參數(shù)資料
| 型號(hào)： | SI3225-G-GQ |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 40/112頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PROSLIC/CODEC DUAL 64TQFP |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 系列： | ProSLIC® |
| 功能： | 用戶線路接口概念（SLIC），CODEC |
| 接口： | GCI，PCM，SPI |
| 電路數(shù)： | 2 |
| 電源電壓： | 3.3V，5V |
| 電流 - 電源： | 65mA |
| 功率（瓦特）： | 941mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-TQFP |
| 供應(yīng)商設(shè)備封裝： | 64-TQFP（10x10） |
| 包裝： | 托盤 |
| 包括： | 電池切換，BORSCHT 功能，DTMF 生成和解碼，F(xiàn)SK 音調(diào)生成，調(diào)制解調(diào)器和傳真音調(diào)檢測 |
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Si3220/25 Si3200/02
Rev. 1.3
33
Not
Recommended
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3.3.2. Linefeed Operation States
The linefeed interface includes eight different operating
states as shown in Table 18. The linefeed register
settings (LF[2:0], linefeed register) are also listed. The
open state is the default condition in the absence of any
pre-loaded register settings. The device may also
automatically enter the open state if excess power
consumption is detected in the Si3200/2. See "3.8.
37 for more details. The register and RAM locations
used for programming the linefeed parameters are
provided in Table 19. See “3.7. Loop Voltage and
Dissipation Considerations" on page 40 for detailed
descriptions and register/RAM locations for these
functions.
Table 18. Linefeed States
Open (LF[2:0]
= 000).
The Si3200/2 output is high-impedance. This mode can be used in the presence of line fault conditions and to
generate open-switch intervals (OSIs). The device can also automatically enter the open state if excess power
consumption is detected in the Si3200/2 or in the discrete bipolar transistors.
Forward Active (LF[2:0]
= 001).
Linefeed is active, but audio paths are powered down until an off-hook condition is detected. The Si3220 and
Si3225 automatically enter a low-power state to reduce power consumption during on-hook standby periods.
Forward On-Hook Transmission (LF[2:0]
= 010).
Provides data transmission during an on-hook loop condition (e.g., transmitting FSK caller ID information
between ringing bursts).
Tip Open (LF[2:0]
= 011).
Sets the portion of the linefeed interface connected to the TIP side of the subscriber loop to high-impedance
and provides an active linefeed on the RING side of the loop for ground-start operation.
Ringing (LF[2:0]
= 100).
Drives programmable ringing waveforms onto the subscriber loop (Si3220) or switches in a centralized ringing
generator by driving an external relay (Si3225).
Reverse Active (LF[2:0]
= 101).
Linefeed circuitry is active, but audio paths are powered down until an off-hook condition is detected. The
Si3220 and Si3225 automatically enter a low-power state to reduce power consumption during on-hook
standby periods.
Reverse On-Hook Transmission (LF[2:0]
= 110).
Provide data transmission during an on-hook loop condition.
Ring Open (LF[2:0]
= 111).
Sets the portion of the linefeed interface connected to the RING side of the subscriber loop to high impedance
and provides an active linefeed on the TIP side of the loop for ground start operation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI3225-G-GQR | 功能描述:電信線路管理 IC Dual-CH SLIC/codec Ext Ringing Support RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| Si3225-GQ | 功能描述:電信線路管理 IC Dual-Channel SLIC/ codec RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| SI3225-GQR | 制造商:Silicon Laboratories Inc 功能描述: |
| Si3225-KQ | 功能描述:電信線路管理 IC DUAL CH SLIC CODEC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| SI3225PPT0-EVB | 功能描述:音頻 IC 開發(fā)工具 Si3225 Eval Board RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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