參數(shù)資料
型號: MAX491ECSD
廠商: Maxim Integrated Products
文件頁數(shù): 2/16頁
文件大小: 0K
描述: IC TXRX RS485/RS422 LP 14-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 50
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: RS422,RS485
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 14-SOIC
包裝: 管件
其它名稱: Q1651702
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
CHARGE CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
150pF
RC 50M to 100M
RD 330
Ω
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 6. IEC1000-4-2 ESD Test Model
tr = 0.7ns to 1ns
30ns
60ns
t
100%
90%
10%
I PEAK
I
R
Y
Z
VOD
VOC
Figure 8. Driver DC Test Load
Figure 7. IEC1000-4-2 ESD Generator Current Waveform
RECEIVER
OUTPUT
TEST POINT
1k
S1
S2
VCC
CRL
15pF
Figure 9. Receiver Timing Test Load
CHARGE CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
RC 1M
RD 1500
Ω
HIGH
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 4. Human Body ESD Test Model
IP 100%
90%
36.8%
tRL
TIME
tDL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
Ir
10%
0
AMPERES
Figure 5. Human Body Model Current Waveform
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
10
Maxim Integrated
相關(guān)PDF資料
PDF描述
MAX234EWE IC 4DVR/0RCVR RS-232 5V 16-SOIC
SY87701VHC IC CLOCK/DATA RECOVERY 32-TQFP
MAX1490ACPG IC RS485/RS422 DATA INTRFC 24DIP
MAX1490AEPG IC RS485/RS422 DATA INTRFC 24DIP
MAX481ECPA IC TXRX RS485/RS422 LOWPWR 8-DIP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX491ECSD 制造商:Maxim Integrated Products 功能描述:TRANSCEIVER RS485/422R SMD SOIC14
MAX491ECSD+ 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX491ECSD+T 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX491ECSD-G002 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX491ECSD-T 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube