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參數(shù)資料
| 型號： | AD1801 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Single-Chip Fax/Data/ Voice Modem(單片的傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器) |
| 中文描述： | 單芯片傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器（單片的傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器） |
| 文件頁數(shù)： | 49/52頁 |
| 文件大?。?/td> | 348K |
| 代理商： | AD1801 |
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AD1801
–49–
REV. 0
APPLICATION CIRCUITS
V
REF
10
m
F
0.1
m
F
126
Figure 16. V
REF
Bypassing
1.0nF
MSF
13
Figure 17. Monitor Speaker Filter
1
m
F
FILT
1
Figure 18. Antialias Filter Connection
20–64pF
20–64pF
XTALI
XTALO
16.9344 MHz
49
48
Figure 19. Crystal Circuit
CMOUT
10
m
F
0.1
m
F
125
Figure 20. CMOUT Bypassing
If the target application requires any current from the CMOUT
Pin (i.e., more than a few microamps), the circuit in Figure 20
(or its equivalent) must be used. The CMOUT output on the
AD1801 cannot source/sink current directly without compro-
mising analog performance.
CMOUT
10
m
F
0.1
m
F
125
1/2 AD820
CMBUF
Figure 21. Buffered Reference Circuit
MSPKR
100
m
F
11
Figure 22. Monitor Speaker Connection
MIC
CMOUT
CMBUF
C
R
1
5k
V
1
m
F
R
2
ELECTRET
CONDENSER
MICROPHONE
INPUT
0.33
m
F
1/2 SSM2135
OR AD820
1/2 AD820
123
125
Figure 23. Phantom Power Mic Circuit
XMITN
1
m
F
1
m
F
6
5
TO DAA TRANSMIT
NEGATIVE DIFFERENTIAL
INPUT
TO DAA TRANSMIT
POSITIVE DIFFERENTIAL
INPUT
XMITP
Figure 24. DAA Transmit Circuit
RCVP
1
m
F
3
FROM DAA RECEIVE
SINGLE-ENDED
OUTPUT
1nF
NPO
470
V
RCVN
4
1
m
F
Figure 25. DAA Single-Ended Receive Circuit
RCVP
1
m
F
3
FROM DAA RECEIVE
POSITIVE DIFFERENTIAL
OUTPUT
FROM DAA RECEIVE
NEGATIVE DIFFERENTIAL
OUTPUT
1nF
NPO
470
V
1nF
NPO
RCVN
1
m
F
4
1nF
NPO
470
V
Figure 26. DAA Differential Receive Circuit
HSPKRP
1
m
F
1
m
F
8
9
TO HANDSET SPEAKER
NEGATIVE DIFFERENTIAL
INPUT
TO HANDSET SPEAKER
POSITIVE DIFFERENTIAL
INPUT
HSPKRN
Figure 27. Handset Speaker Circuit
LIN
1
m
F
LINE INPUT
1nF
NPO
1k
V
124
Figure 28. Line Input Circuitry
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD1803JRU | U.S./International Modem DAA Line Codec Chipset |
| AD1803 | ECONOLINE: RD & RC - Dual Output from a Single Input Rail- 1kVDC & 2kVDC Isolation- Power Sharing on Output- Custom Solutions Available- UL94V-0 Package Material- Efficiency to 86% |
| AD1804 | U.S./International Modem DAA Line Codec Chipset |
| AD1804JRU | ECONOLINE: RD & RC - Dual Output from a Single Input Rail- 1kVDC & 2kVDC Isolation- Power Sharing on Output- Custom Solutions Available- UL94V-0 Package Material- Efficiency to 86% |
| AD1812JST | Silver Mica Capacitor; Capacitance:12pF; Capacitance Tolerance: 5%; Series:CD17; Voltage Rating:500VDC; Capacitor Dielectric Material:Mica; Termination:Radial Leaded; Lead Pitch:5.9mm; Leaded Process Compatible:No RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1801JS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD1801JST-REEL | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| AD1803 | 制造商:AD 制造商全稱:Analog Devices 功能描述:U.S./International Modem DAA Line Codec Chipset |
| AD1803-0.4 | 制造商:Analog Devices 功能描述: |
| AD1803JRU | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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