參數(shù)資料
型號(hào)： MAX4670ETJ+
廠商： Maxim Integrated Products
文件頁數(shù)： 2/20頁
文件大小： 0K
描述： IC PROT SWITCH T1/E1/J1 32-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
Low Voltage Analog Switches Overview
標(biāo)準(zhǔn)包裝： 60
系列： *
類型： *
應(yīng)用： *
安裝類型： 表面貼裝
封裝/外殼： 32-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-TQFN-EP（5x5）
包裝： 管件
MAX4670
LIU Interface Recommendations
The MAX4670 low 0.7
(typ) on-resistance is ade-
quate, even in applications where the LIUs require no
external series transmit resistors (Rt = 0 in Figures 8
and 10). However, in some instances, increase the LIU
output amplitude to compensate for RON if the LIU sup-
ports programmable output amplitude. With LIUs
requiring external transmit resistors, it is recommended
to reduce Rt by the amount of the typical RON with LIUs
requiring external transmit resistors.
For example, if the LIU vendor recommends Rt = 9.1
,
the actual value in the application should be:
Rt = Rt – RON = 9.1
- 0.7 = 8.4
The receive interface series resistance is small enough
to support LIUs with internal line termination, provided
the external 120
parallel resistor combination (Rr) is
connected, as shown in Figures 7 and 9.
While in normal operation, the MAX4670 requires the
input and output signals to be within the V+ and GND
supply rails.
ESD Test Conditions
ESD performance depends on a variety of conditions.
Contact Maxim for a reliability report that documents
test setup, test methodology, and test results.
Human Body Model
Figure 11 shows the Human Body Model. Figure 12
shows the current waveform it generates when dis-
charged into a low impedance. This model consists of a
100pF capacitor charged to the ESD voltage of interest,
which is then discharged into the test device through a
1.5k
resistor.
IEC 1000-4-2
The IEC 1000-4-2 standard covers ESD testing and
performance of finished equipment. It does not specifi-
cally refer to ICs. The major difference between tests
done using the Human Body Model and IEC 1000-4-2
is a higher peak current in IEC 1000-4-2, because
series resistance is lower in the IEC 1000-4-2 model.
Hence, the ESD withstands voltage measured to IEC
61000-4-2, and is generally lower than that measured
using the Human Body Model. Figure 13 shows the IEC
61000-4-2 model, and Figure 14 shows the current
waveform for the ±8kV IEC, 61000-4-2 Level 4, ESD
Contact Discharge test. The Air-Gap test involves
approaching the device with a charged probe. The
Contact Discharge method connects the probe to the
device before the probe is energized.
Machine Model
The Machine Model for ESD tests all pins using a
200pF storage capacitor and zero discharge resis-
tance. Its objective is to emulate the stress caused by
contact that occurs with handling and assembly during
manufacturing.
Integrated T1/E1/J1 Short-Haul and
Long-Haul Protection Switch
10
______________________________________________________________________________________
Table 1. MAX4670 Truth Table
SWITCH
INA
NC1/NC2
NO1/NO2
LOW
X
OFF
ON
HIGH
LOW
OFF
ON
HIGH
ON
OFF
—
INB
NC3/NC4
NO3/NO4
LOW
X
OFF
ON
HIGH
LOW
OFF
ON
HIGH
ON
OFF
—
INC
NC5/NC6
NO5/NC6
LOW
X
OFF
ON
HIGH
LOW
OFF
ON
HIGH
ON
OFF
—
IND
NC7/NC8
NO7/NO8
LOW
X
OFF
ON
HIGH
LOW
OFF
ON
HIGH
ON
OFF
Table 2. IEC 61000-4-5 Test Conditions
TEST CONFIGURATION
TEST CONDITIONS
Differential Surge
(Line to Line)
500V peak, 12A min current,
8s/20s surge
Common-Mode Surge
(Line to GND)
1000V peak, 24A min current,
8s/20s surge
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參數(shù)描述
MAX4670ETJ+ 功能描述:模擬開關(guān) IC Integrated T1/E1/J1 rotection Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4670ETJ+T 功能描述:模擬開關(guān) IC Integrated T1/E1/J1 rotection Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4670ETJ-T 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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(fēng)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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