參數(shù)資料
型號(hào)： XR3178EID-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 19/24頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS485 DIFF 3V 8NSOIC
產(chǎn)品變化通告： Interface Product Discontinuation 21/Mar/2012
特色產(chǎn)品： XR317xE 3.3 V RS-485 High Differential Output Transceivers
標(biāo)準(zhǔn)包裝： 98
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS422/RS485
電源電壓： 3.3V
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOICN
包裝： 管件
其它名稱： 1016-1318-5
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections to the
specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability and cause permanent
damage to the device.
VCC
+6.0V
Input Voltage at control pins (RE, DE and DI)
-0.3V to (VCC + 0.3V)
Driver Output Voltage (A, B, Y and Z)
-8V to +13V
Receiver Output Voltage (RO)
-0.3V to (VCC + 0.3V)
Receiver Input Voltage (A and B)
-8V to +13V
Storage Temperature Range
-65°C to + 150°C
Lead Temperature (soldering, 10s)
+300°C
Package Power Dissipation
Maximum Junction Temperature 150°C
8-Pin SO
θ
JA = 128.4°C/W
14-Pin SO
θ
JA = 86°C/W
XR3170E-3178E
4
3.3V HIGH SPEED RS-485/RS-422 TRANSCEIVERS WITH 1/8th UNIT LOAD
REV. 1.0.0
CAUTION:
ESD (Electrostatic Discharge) sensitive device. Permanent damage may occur on unconnected devices subject to high energy electrostatic fields. Unused
devices must be stored in conductive foam or shunts. Personnel should be properly grounded prior to handling this device. The protective foam should be
discharged to the destination socket before devices are removed.
ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: VCC = +3.0V TO +3.6V WITH TA FROM -40
OC TO +85OC. TYPICAL VALUES ARE AT
VCC = +3.3V AND 25
OC.
SYMBOL
PARAMETERS
MIN.
TYP.
MAX.
UNITS
CONDITIONS
DRIVER DC CHARACTERISTICS
VOD
Differential Driver Output
Vcc
V
No Load
2.0
2.65
RL = 100 (RS-422), Figure 3
1.7
2.35
RL = 54 (RS-485), Figure 3
1.7
2.35
VCM = -7V, Figure 4
1.7
2.35
VCM = +12V, Figure 4
V
OD
Change in Magnitude of Differential
Output
-0.20
0.20
V
RL = 100 (RS-422), Figure 3,
See Note 1
-0.20
0.20
RL = 54 (RS-485), Figure 3,
See Note 1
-0.20
0.20
VCM = -7V, Figure 4, See
Note 1
-0.20
0.20
VCM = +12V, Figure 4, See Note
1
VOC
Driver Common Mode Output
Voltage steady state
3.0
V
Figure 3
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