參數(shù)資料
型號(hào): SI3012-KS
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 11/64頁(yè)
文件大?。?/td> 0K
描述: IC LINE-SIDE DAA 16SOIC
標(biāo)準(zhǔn)包裝: 48
系列: ISOcap™
數(shù)據(jù)格式: V.90
電源電壓: 3.3 V ~ 5 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC N
包裝: 管件
Si3038
Rev. 2.01
19
Analog Output
Figure 20 illustrates an optional application circuit to support the analog output capability of the Si3038 for call
progress monitoring purposes. The AOUT level can be set to 0 dB, –6 dB, –12 dB, and mute for both transmit and
receive paths through the ATM/ARM bits in register 5Ch. U1 provides a gain of 26 dB. Additional gain adjustments
may be made by varying the voltage divider created by R1 and R3.
Figure 20. Optional Connection to AOUT for a Call Progress Speaker
Table 18. Component Values—Optional Connection to AOUT
Symbol
Value
C1
2200 pF, 16 V, ±20%
C2, C3, C5
0.1 F, 16 V, ±20%
C4
100 F, 16 V, Elec. ±20%
C6
820 pF, 16 V, ±20%
R1
10 k
, 1/10 W, ±5%
R2
10
, 1/10 W, ±5%
R3
47 k
, 1/10 W, ±5%
U1
LM386
AOUT
C5
R2
C4
Speaker
+5 V
3
2
6
4
+
5
C2
R3
C3
R1
C6
C1
U1
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