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參數資料
| 型號： | MAX4670ETJ+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/20頁 |
| 文件大小： | 0K |
| 描述： | IC PROT SWITCH T1/E1/J1 32-TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program Low Voltage Analog Switches Overview |
| 標準包裝： | 60 |
| 系列： | * |
| 類型： | * |
| 應用： | * |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 32-TQFN-EP（5x5） |
| 包裝： | 管件 |
General Description
The MAX4670 is an integrated T1/E1/J1 analog protec-
tion switch for 1+1 and N+1 line-card redundancy
applications. It protects two T1/E1/J1 ports by combin-
ing eight SPDT switches in a single package. The
switch is optimized for high-return loss and pulse-tem-
plate performance in T1/E1/J1 long-haul and short-haul
applications. The part offers built-in chip-side surge
protection capability for short-haul intrabuilding appli-
cations.
The MAX4670 replaces two diode arrays or two tran-
sient voltage suppressors (TVSs) and four dual-SPDT
relays, significantly reducing board space and simplify-
ing PC board routing. The MAX4670 pinout is targeted
for T1/E1/J1 applications, resulting in a simplified layout
when interfacing with standard line transformers and
line interface units (LIUs).
The MAX4670 has four 1.0
(max) on-resistance switch-
es with 60pF/40pF on-/off-capacitances for interfacing to
the LIU transmitter outputs. The MAX4670 also includes
four 10
(max) on-resistance switches with low
24pF/12pF on-/off-capacitances for interfacing to the LIU
receiver inputs. Four logic inputs control the receive/
transmit pairs, in addition to a SWITCH input that con-
nects all switches to the system’s protection bus.
The MAX4670 operates from a single +2.7V to +3.6V
supply and is available in 32-pin thermally enhanced
TQFN package. The MAX4670 is specified over the
-40
°C to +85°C operating temperature range.
Applications
Optical Multiplexers (ADMs, M13s, etc.)
Edge Routers
Multiservice Switches
Base Station Controllers (Wireless Infrastructure
Equipment)
Media Gateways (VoIP)
Features
o Single +3.3V Supply Voltage
o Quad-DPDT/Octal-SPDT Switches Support
Two T1/E1/J1 Ports
o Low RON
o 0.7 (typ) in Transmit Path; 5 (typ) in
Receive Path
o Low CON/COFF
60pF/40pF (typ) in Transmit Path
24pF/12pF (typ) in Receive Path
o Chip Surge Protection
IEC 61000-4-5 (8s to 20s Surge)
Class 2 (±1kV)
o -70dB (typ) Crosstalk/Off-Isolation (3MHz)
o Small, 32-Pin TQFN Package
MAX4670
Integrated T1/E1/J1 Short-Haul and
Long-Haul Protection Switch
________________________________________________________________ Maxim Integrated Products
1
19-3798; Rev 0; 09/06
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
TOP VIEW
1
INB
2
COM3
3
COM4
4
GND
5
INC
6
COM5
7
COM6
8
SWITCH
24
NC3
23
NO3
22
NC4
21
NO4
20
NC5
19
NO5
18
NC6
17
NO6
9
V+
10
IND
11
COM7
12
COM8
13
NO8
14
NC8
15
NO7
16
NC7
32
V+
31
INA
30
COM2
29
COM1
28
NC1
27
NO1
26
NC2
25
NO2
MAX4670
*EP
TQFN
*NOTE:
EXPOSED PADDLE
CONNECTED TO GND
Pin Configuration
Ordering Information
PART*
PIN-
PACKAGE
SURGE
PROTECTION
PKG
CODE
MAX4670ETJ
32 TQFN
(5mm x 5mm)
YES
T3255-4
*This part operates at a -40°C to +85°C temperature range.
Functional Diagram/Truth Table appears at end of data sheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4670ETJ+ | 功能描述:模擬開關 IC Integrated T1/E1/J1 rotection Switch RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4670ETJ+T | 功能描述:模擬開關 IC Integrated T1/E1/J1 rotection Switch RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4670ETJ-T | 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4670EUU | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX4670EUU-T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
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