- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄366548 > AM7945 (Advanced Micro Devices, Inc.) Subscriber Line Interface Circuit PDF資料下載
參數(shù)資料
| 型號(hào)： | AM7945 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用戶線接口電路 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大?。?/td> | 157K |
| 代理商： | AM7945 |
當(dāng)前第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)
Publication#
18408
Rev
: D
Amendment:
/0
Issue Date:
October 1999
Am7945
Subscriber Line Interface Circuit
DISTINCTIVE CHARACTERISTICS
I
Programmable constant-current feed
I
Current gain = 200
I
Programmable loop-detect threshold
I
Low power Standby state
I
Ground-key detector
I
Tip Open state for ground-start lines
I
–19 V to –56.5 V battery operation
I
On-chip Thermal Management (TMG) feature
I
Two-wire impedance set by single external
impedance
I
On-hook transmission
I
On-chip ring relay driver and relay snubber
circuit
I
Ideal for low cost PABX and key telephone
systems
BLOCK DIAGRAM
VCC
VEE
AGND/DGND
RSN
VTX
RD
RDC
CAS
C1
C2
C3
E0
E1
DET
Two-Wire
Interface
HPA
HPB
DA
DB
BGND
VBAT
A(TIP)
B(RING)
TMG
Ground-Key
Detector
Signal
Transmission
Off-Hook
Detector
Power-Feed
Controller
Ring-Trip
Detector
RINGOUT
Ring Relay
Driver
Input Decoder
and Control
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79489 | SUBSCRIBER LINE INTERFACE CIRCUIT |
| AM79489-1JC | SUBSCRIBER LINE INTERFACE CIRCUIT |
| AM79489-2JC | SUBSCRIBER LINE INTERFACE CIRCUIT |
| AM79489-3JC | SUBSCRIBER LINE INTERFACE CIRCUIT |
| AM79489-4JC | SUBSCRIBER LINE INTERFACE CIRCUIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM7945JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| AM7946-1JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Interface Circuit |
| AM7946-2JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| AM7946-3JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Interface Circuit |
| AM7946-4JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Interface Circuit |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。