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| 型号： | SI3066-B-FS |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 5/40页 |
| 文件大小： | 0K |
| 描述： | IC DAA ENH FCC LINE-SIDE 8SOIC |
| 标准包装： | 96 |
| 功能： | 直接存取装置（DAA） |
| 电路数： | 1 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 供应商设备封装： | 8-SOIC-EP |
| 包装： | 管件 |
| 包括： | 结帐音调检测，线路电压监视器，回路电流监视器，过载检测，振铃检测器 |
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Si3066
Rev. 1.0
13
4.6. Off-Hook
The software generates an off-hook command by
setting the OH bit (Register 5, bit 0). This seizes the line
for incoming/outgoing calls and can also be used for
pulse dialing. When on-hook, negligible dc current flows
through the hookswitch. When off-hook, the hookswitch
transistor pair, Q1 and Q2, turn on. A termination
impedance is applied across TIP and RING and causes
dc loop current to flow.
Several events occur internally to the DAA when the OH
bit is set. There is a 250 s latency for the off-hook
command to communicate to the line-side device. When
the line-side device goes off-hook, an off-hook counter
forces a delay before transmission or reception can
occur. After this, an ADC calibration is performed for
256 ms. The ADC calibration can be disabled by setting
the ADCC bit (Register 17, bit 5). Refer to Section "4.20.
Calibration" on page 16 for more information on
automatic calibration. To calculate the total time
required to go off-hook and start transmission or
reception, the digital filter delay (typically 1.5 ms with
the FIR filter) should be included in the calculation.
4.7. DC Termination
The Si3066 dc I/V characteristics, shown in Figure 8,
support a transmit full scale level of –1 dBm at TIP and
RING. This meets FCC requirements and the
requirements of many other countries.
Figure 8. DC I/V Characteristics
DCIV
0
5
10
15
20
25
0
20
40
60
80
100
120
Loop Current (mA)
V
tip
-r
in
g
(V
o
lts)
相关PDF资料 |
PDF描述 |
|---|---|
| SI3068-B-FS | IC FCC+ EMBEDDED DAA 8SOIC |
| SI3200-BS | IC LINEFEED INTRFC 100V 16SOIC |
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| SI3216-FT | IC SLIC/CODEC 1CH 38TSSOP |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI3066-B-FSR | 功能描述:电信线路管理 IC Enhanced V.32 FCC+ Line-Side processors RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| SI3066-B-FT | 功能描述:IC DAA ENH FCC LINE-SIDE 10SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 电信 系列:- 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 06/Feb/2012 标准包装:750 系列:* |
| SI3066-B-FTR | 制造商:Silicon Laboratories Inc 功能描述:V.32 GLOBAL LINE-SIDE FOR PROC 制造商:Silicon Laboratories Inc 功能描述:V.32 GLOBAL LINE-SIDE FOR PROCESSORS - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC DAA ENH FCC LINE-SIDE 10SOIC |
| SI3068 | 制造商:SILABS 制造商全称:SILABS 功能描述:FCC+ EMBEDDED DIRECT ACCESS ARRANGEMENT |
| Si3068-B-FS | 功能描述:电信线路管理 IC Enhanced V.92 FCC Line-Side RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
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