參數(shù)資料
型號(hào)： MAX3464ESA+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 7/14頁(yè)
文件大小： 0K
描述： IC TXRX RS485/422 8-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
類(lèi)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： 4.75 V ~ 5.25 V
安裝類(lèi)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-SOIC
包裝： 帶卷 (TR)
MAX3460–MAX3464
+5V, Fail-Safe, 20Mbps, Profibus RS-485/
RS-422 Transceivers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Supply Voltage (VCC) to GND ..................................-0.3V to +6V
Control Input Voltage (RE, DE, DI, SHDN, TXP, RXP)
to GND....................................................-0.3V to (VCC + 0.3V)
Driver Output Voltage (Y, Z) to GND .........................-8V to +13V
Receiver Input Voltage (A, B) to GND.......................-8V to +13V
Differential Driver Output Voltage (Y - Z) ...............................±8V
Differential Receiver Input (A - B) ..........................................±8V
Receiver Output Voltage (RO) to GND.......-0.3V to (VCC + 0.3V)
Output Driver Current (Y, Z) ...........................................±250mA
Continuous Power Dissipation (TA = +70°C)
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin DIP (derate 9.09mW/°C above +70°C) ...............727mW
14-Pin SO (derate 8.33mW/°C above +70°C)..............667mW
14-Pin DIP (derate 10mW/°C above +70°C) ................800mW
Operating Temperature Range
MAX346_C__ ......................................................0°C to +70°C
MAX346_E__....................................................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Power-Supply Range
VCC
4.75
5.25
V
DRIVER
Differential Driver Output (no load)
VOD
Figure 5, R =
∞
VCC
V
Differential Driver Output
VOD
Figure 5, R = 27
2.1
V
Change in Magnitude of
Differential Output Voltage
VOD
Figure 5, R = 50
or 27
(Note 2)
0.2
V
Driver Common-Mode Output
Voltage
VOC
Figure 5, R = 50
or 27
3V
Change in Magnitude of
Common-Mode Voltage
VOC
Figure 5, R = 50
or 27
(Note 2)
0.2
V
Input High Voltage
VIH
DE, DI, RE, SHDN
2.0
V
Input Low Voltage
VIL
DE, DI, RE, SHDN
0.8
V
Input Hysteresis
VHYS
DE, DI, RE, SHDN
50
mV
VIN = +12V
+125
Output Leakage (Y and Z) Full
Duplex
IO
DE = GND, VCC =
GND or +5.25V
VIN = -7V
-100
A
Input Current
IIN
DI, RE, DE, SHDN
±1A
Pulldown Current
RXP = TXP = VCC
515
30
A
0
≤ VOUT ≤ 12V, output low
+250
Driver Short-Circuit Output
Current (Note 3)
IOSD
-7V
≤ VOUT ≤ VCC, output high
-250
mA
(VCC - 1V)
≤ VOUT ≤ 12V, output low
+25
Driver Short-Circuit Foldback
Output Current (Note 3)
IOSFD
-7V
≤ VOUT ≤ 1V, output high
-25
mA
Thermal Shutdown Threshold
140
°C
RECEIVER
Differential Input Capacitance
CA, B
8pF
VIN = +12V
250
Input Current (A and B) Full
Duplex
IA, B
DE = GND,
VCC = GND or 5.25V
VIN = -7V
-200
A
Receiver Differential Threshold
Voltage
VTH
-7V
≤ VCM ≤ 12V
-200
-125
-50
mV
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