參數(shù)資料
型號： MAX4818ETE+
廠商： Maxim Integrated Products
文件頁數(shù)： 1/21頁
文件大?。?/td> 0K
描述： IC SWITCH DUAL SPDT 16TQFN
產(chǎn)品變化通告： Product Discontinuation 01/Jun/2011
標(biāo)準(zhǔn)包裝： 60
功能： 開關(guān)
電路： 2 x SPDT
導(dǎo)通狀態(tài)電阻： 5 歐姆
電壓電源： 單/雙電源
電壓 - 電源，單路/雙路(±)： 6 V ~ 11 V，±3.3 V ~ 5 V
電流 - 電源： 800nA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 16-WQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 16-TQFN-EP（5x5）
包裝： 管件
General Description
The MAX4818/MAX4819 high-bandwidth, low-on-resis-
tance analog dual SPDT switches/4:1 multiplexers are
designed to serve as integrated T1/E1 protection
switches for 1+1 and N+1 line-card redundancy appli-
cations. Each MAX4818/MAX4819 replaces four
electromechanical relays, significantly reducing board
space, simplifying PC board routing, and reducing
power consumption. These devices operate with ±3.3V
or ±5V dual supplies for applications requiring T1/E1
signal switching in the line side of the interface trans-
former. Internal voltage multipliers drive the analog
switches, yielding excellent linearity and low 4
typical
on-resistance within the T1/E1 analog signal range. This
high-bandwidth family of products is optimized for low
return loss and matched pulse template performance in
T1/E1 long-haul and short-haul applications.
The MAX4818/MAX4819 are available in a tiny 16-pin,
5mm x 5mm, thin QFN package and are specified over
the extended -40°C to +85°C temperature range.
Applications
T1/E1 Redundancy Switching
Base Stations and Base-Station Controllers
Add and Drop Multiplexers
Multi-Service Provisioning Platforms
Edge Routers
Multi-Service-Switches (MSSs)
Digital Loop Carriers
Industrial Applications
Data Acquisition
Telecom Signal Switching
Test Equipment
Avionics
Features
Dual SPDT and 4:1 Multiplexer Configurations
Dual-Supply Operation from ±3.3V to ±5V
Single-Supply Operation from +6V to +11V
Hot-Insertion Tolerant with No DC Path to the
Supplies
Low On-Resistance, RON = 4 (typ) and 6 (max)
Over 350MHz -3dB Signal Bandwidth (MAX4818)
Excellent Crosstalk and Off-Isolation Performance
Over the T1/E1 Signal Spectrum: Over 110dB
Crosstalk Attenuation at 1MHz (MAX4818)
Low Current Consumption of 2mA (max)
-40°C to +85°C Extended Temperature Range
Space-Saving, 16-Pin, 5mm x 5mm Thin QFN
SET Controls All Switches Simultaneously For
Redundancy Switching (MAX4819)
MAX4818/MAX4819
High-Bandwidth T1/E1 Dual-SPDT Switches/
4:1 Muxes
________________________________________________________________ Maxim Integrated Products
1
19-3915; Rev 1; 1/07
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.
THIN QFN (5mm x 5mm)
*EXPOSED PADDLE CONNECTED TO V-
COM1
16
12
34
12
11
10
9
15
14
13
5
6
7
8
N.C.
SET
IN1
NC1
V+
N.C.
NC2
V-
GND
NO2
N.C.
EN
IN2
COM2
NO1
MAX4818
TOP VIEW
*EP
+
Pin Configurations
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
CONFIGURATION
PACKAGE CODE
MAX4818ETE+
-40°C to +85°C
16 TQFN-EP*
2 x SPDT
T1655-3
MAX4819ETE+
-40°C to +85°C
16 TQFN-EP*
4:1 MUX
T1655-3
Pin Configurations continued at end of data sheet.
*EP = Exposed Paddle
Devices are available in lead-free packages.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4818ETE+ 功能描述:多路器開關(guān) IC T1/E1 Dual-SPDT Switch/4:1 MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
MAX4818ETE+T 功能描述:多路器開關(guān) IC T1/E1 Dual-SPDT Switch/4:1 MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
MAX4818ETE-T 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
MAX4818EUE 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
MAX4818EUE+ 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
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