ADM1487AR Просмотр технического описания (PDF) - Analog Devices
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производитель
ADM1487AR
Analog Devices
ADM1487AR Datasheet PDF : 8 Pages
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PRELIMINARY TECHNICAL DATA
ADM1487
ADM1487 SPECIFICATIONS
DC ELECTRICAL CHARACTERISTICS (VCC = +5V ±5%, TA = 0°C TO +70°C, UNLESS OTHERWISE NOTED)
Parameter
Min
Typ
Max Units Test Conditions/Comments
Differential Driver Output Voltage,VOD1
Differential Driver Output Voltage, VOD2 2.0
1.5
5
V Unloaded, IO = 0
V Figure 1, R = 50⍀ (RS-422)
5
V Figure 1, R = 27⍀ (RS-485)
Change in Magnitude of Driver
Differential Output Voltage for
Complementary Output States, ⌬VOD
Driver Common-Mode Output
Voltage, VOC
Change in Magnitude of Driver
Common-Mode Output Voltage for
Complementary Output States, ⌬|VOC|
Input High Voltage (DE, DI, RE), VIH
2
Input Low Voltage (DE, DI, RE), VIL
Input Current (DE, DI, RE), IIN1
Input Current (A, B), IIN2
Differential Input Threshold Voltage
-0.2
for Receiver, VTH
Receiver Input Hysteresis, ⌬VTH
Receiver Output High Voltage, VOH
3.5
Receiver Output Low Voltage, VOL
Three-State (High Impedance) Output
Current at Receive, IOZR
Receiver Input Resistance, RIN
70
Supply Current, ICC
Supply Current in Shutdown Mode, ISHDN
Driver Short-Circuit Ourrent, IOSD1
35
Driver Short-Circuit Ourrent, IOSD2
35
Receiver Short-Circuit Current, IOSR
7
0.2
V Figure 1, R = 27⍀ or R = 50⍀
3
V Figure 1, R = 27⍀ or R = 50⍀
0.2
V R = 27⍀ or R = 50⍀
0.8
±2
0.30
-0.15
0.2
V
V
µA
m A DE = 0, VCC= 0V or 5.25V, VIN = 12V
m A DE = 0, VCC = 0V or 5.25V, VIN = –7V
V –7V Յ VCM Յ 12V
45
m V VCM = 0V
V IO =-4mA, VID = 200mV
0.4
V IO = 4mA, VID = –200mV
±1
µ A VCC = Max, 0.4V Յ Vo Յ 2.4V
96
k ⍀ –7V Յ VCM Յ 12V
120
200 µ A No Load, Output Enabled
80
120 µ A No Load, Output Disabled
1
10
µ A DE = 0V, RE = VCC
250 m A VOUT = HIGH, –7V Յ VO Յ12V
250
m A VOUT = LOW, –7V Յ Vo Յ 12V
85
m A 0V Յ VO Յ VOC
–2–
Rev. PrC
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