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參數(shù)資料
型號(hào)： MAX14770EESA+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 10/16頁(yè)
文件大?。?/td> 0K
描述： TXRX PROFIBUS RS-485 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
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： 多協(xié)議
電源電壓： 4.5 V ~ 5.5 V
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-SOIC
包裝： 帶卷 (TR)
3
Maxim Integrated
High-ESD Profibus RS-485 Transceiver
MAX14770E
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +5V Q10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V, TA = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Driver Short-Circuit
Foldback Output
Current (Note 5)
IOSDF
(VCC - 1V) P VOUT P +12V; output low
-15
mA
-7V P VOUT P +1V; output high
+15
LOGIC INPUTS
Driver Input High
Voltage
VIH
DE, DI, RE
2.0
V
Driver Input Low
Voltage
VIL
DE, DI, RE
0.8
V
Driver Input
Hysteresis
VHYS
DE, DI, RE
50
mV
Driver Input Current
IIN
DE, DI, RE
-1
+1
F
A
Input Impedance in
Hot Swap
RDE
Figure 11 until the first low-to-high transition of DE
occurs
1
5.6
10
k
W
RRE
Figure 11 until the first high-to-low transition of RE
occurs
RECEIVER
Input Current (A, B)
IA, IB
DE = GND, VCC = VGND or
+5.5V
VIN = 12V
+250
F
A
VIN = -7V
-200
Differential Input
Capacitance
CAB
Between A and B, DE = RE = GND at 6MHz
8
pF
Receiver Differential
Threshold Voltage
VTH
-7V P VCM P 12V
-200
-125
-50
mV
Receiver Input
Hysteresis
D
VTH
VCM = 0V
15
mV
LOGIC OUTPUT
Output High Voltage
VOH
IOUT = -6mA, VA - VB = VTH
4
V
Output Low Voltage
VOL
IOUT = 6mA, VA - VB = -VTH
0.4
V
Three-State Receiver
Output Current
IOZR
0V P VOUT P VCC
-1
+1
F
A
Receiver Input
Resistance
RIN
-7V P VCM P 12V
48
kI
Receiver Output
Short-Circuit Current
IOSR
0V P VRO P VCC
-110
+110
mA
PROTECTION SPECIFICATIONS
Thermal-Shutdown
Threshold
VTS
+160
N
C
Thermal-Shutdown
Hysteresis
VTSH
15
N
C
ESD Protection, A
and B Pins
HBM
±35
kV
IEC 61000-4-2 Air-Gap Discharge to GND
±20
IEC 61000-4-2 Contact Discharge to GND
±10
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