參數(shù)資料
型號(hào): SI3068-B-FS
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 4/40頁(yè)
文件大小: 0K
描述: IC FCC+ EMBEDDED DAA 8SOIC
標(biāo)準(zhǔn)包裝: 96
功能: 直接存取裝置(DAA)
電路數(shù): 1
電流 - 電源: *
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm Width)裸露焊盤
供應(yīng)商設(shè)備封裝: 8-SOIC-EP
包裝: 管件
包括: 結(jié)帳音調(diào)檢測(cè),線路電壓監(jiān)視器,回路電流監(jiān)視器,過載檢測(cè),振鈴檢測(cè)器
Si3068
12
Rev. 1.0
4.5. Line Voltage Sensing
The Si3068 measures line voltage when on-hook. The LVS[6:0] bits (register 29) report line voltage with 1 V/bit
resolution (typical). The LVS bits can be used to determine if a line is present and, if so, if it is idle or in use. Since
these operations can be performed while on-hook, there is no need to enter the off-hook state and possibly disturb
a call in progress to determine the status of the line. The typical LVS transfer function is shown in Figure 7 and
detailed in Table 7.
Figure 7. Line Voltage Status Transfer Function
Table 7. Line Voltage Status Transfer Function
LVS[6:0]
Line Voltage
0000000b
VLINE < 3.5 V
0000100b – 1111110b
3.5 V < VLINE < 126.5 V
1111111b
VLINE > 126.5 V
Line Voltage (V)
LVS
0
4
127
3 4
126
0
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