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SI3048

更新时间： 2024-11-22 22:43:15
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页数 文件大小 规格书
54页 1369K
描述
3.3 V FCC/JATE DIRECT ACCESS ARRANGEMENT

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SI3048 数据手册

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Si3035  
3.3 V FCC/JATE DIRECT ACCESS ARRANGEMENT  
Features  
Complete DAA includes the following:  
!
3.3 V to 5 V Digital/Analog  
Power Supplies  
!
!
!
!
!
!
!
!
!
Support for Caller ID  
Low Profile SOIC Packages  
Direct Interface to DSPs  
!
!
JATE Filter Option  
86 dB Dynamic Range TX/RX  
Paths  
Integrated Modem Codec  
Compliant with FCC Part 68  
Low-Power Standby Mode  
Proprietary ISOcap™ Technology  
Pin Compatible with Si3034, Si3032  
Optional IIR Digital Filter  
!
Daisy-Chaining for Up to Eight  
Devices  
Ordering Information  
See page 50.  
!
!
Integrated Ring Detector  
3000 V Isolation  
Pin Assignments  
Si3021 (SOIC)  
Applications  
! V.90 Modems  
! Fax Machines  
! Set Top Boxes  
1
2
3
4
5
6
7
8
MCLK  
FSYNC  
SCLK  
OFHK  
RGDT/FSD  
M0  
16  
15  
14  
13  
12  
11  
10  
9
! Voice Mail Systems  
VD  
VA  
Description  
SDO  
GND  
C1A  
The Si3035 is an integrated direct access arrangement (DAA) chipset that  
provides a digital, low-cost, solid-state interface to a telephone line.  
Available in two 16-pin small outline packages, it eliminates the need for an  
analog front end (AFE), an isolation transformer, relays, opto-isolators, and  
a 2- to 4-wire hybrid. The Si3035 dramatically reduces the number of  
discrete components and cost required to achieve compliance with FCC  
Part 68. The Si3035 interfaces directly to standard modem DSPs and  
supports all FCC and JATE out-of-band noise requirements. International  
support is provided by the pin compatible Si3034.  
SDI  
FC/RGDT  
RESET  
M1  
AOUT  
Si3021 (TSSOP)  
1
SDO  
SDI  
VD  
16  
2
3
4
5
6
7
8
SCLK  
FSYNC  
MCLK  
OFHK  
RGDT/FSD  
M0  
15  
14  
13  
12  
11  
10  
9
FC/RGDT  
RESET  
AOUT  
M1  
Functional Block Diagram  
C1A  
GND  
VA  
Si3021  
Si3012  
Si3012 (SOIC or TSSOP)  
MCLK  
SCLK  
Out  
In  
TX  
TSTA  
TSTB  
IGND  
C1B  
TX  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Hybrid  
RX  
FSYNC  
SDI  
Digital  
Interface  
NC  
HYBD  
RX  
SDO  
VREG2  
VREG  
DCT  
REXT  
DCT  
HYBD  
VREG2  
VREG  
FC/RGT  
Isolation  
Interface  
Isolation  
Interface  
DC  
RNG1  
RNG2  
QB  
Termination  
REXT  
IGND  
RGDT/FSD  
OFHK  
Ring Detect  
Off-Hook  
RNG1  
RNG2  
QB  
QE  
Control  
Interface  
MODE  
RESET  
QE  
US Patent # 5,870,046  
US Patent # 6,061,009  
Other Patents Pending  
AOUT  
Rev. 1.2 12/00  
Copyright © 2000 by Silicon Laboratories  
Si3035-DS12  
1234567...54

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