ADM4850AR Просмотр технического описания (PDF) - Analog Devices
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ADM4850AR Datasheet PDF : 16 Pages
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SPECIFICATIONS
V = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
DRIVER
Differential Output Voltage, VOD
∆|VOD| for Complementary Output States
Common-Mode Output Voltage, VO
∆|VO | for Complementary Output States
Output Short-Circuit Current, VOUT = High
Output Short-Circuit Current, VOUT = Low
DRIVER INPUT LOGIC
CMOS Input Logic Threshold Low
CMOS Input Logic Threshold High
CMOS Logic Input Current (DI)
DE Input Resistance to GND
RECEIVER
Differential Input Threshold Voltage, VTH
Input Hysteresis
Input Resistance (A, B)
Input Current (A, B)
CMOS Logic Input Current (RE)
CMOS Output Voltage Low
CMOS Output Voltage High
Output Short Circuit Current
Three-State Output Leakage Current
POWER SUPPLY CURRENT
I (115 kbps Options)
Min
Typ
Max
Unit
2.0
1.5
1.5
−200
−200
VCC
V
5
V
5
V
5
V
0.2
V
3
V
0.2
V
+200 mA
+200 mA
1.4
0.8
V
2.0
1.4
V
±1
µA
220
kΩ
−200 −125 −30
mV
20
mV
96
150
kΩ
0.125 mA
−0.1
mA
±1
µA
0.4
V
4.0
V
7
85
mA
±2
µA
5
µA
36
60
µA
I (500 kbps Options)
100
160
µA
5
µA
80
120
µA
I (2.5 Mbps Options)
120
200
µA
5
µA
250
400
µA
I (10 Mbps Options)
320
500
µA
5
µA
250
400
µA
320
500
µA
1 Guaranteed by design.
ADM4850–ADM4857
Test Conditions/Comments
R = ∞, Figure 41
R = 50 Ω (RS-422), Figure 4
R = 27 Ω (RS-485), Figure 4
VTST = −7 V to 12 V, Figure 5
R = 27 Ω or 50 Ω, Figure 4
R = 27 Ω or 50 Ω, Figure 4
R = 27 Ω or 50 Ω, Figure 4
−7 V < VOUT < +12 V
−7 V < VOUT < +12 V
−7 V < VM < +12 V
−7 V < VM < +12 V
−7 V < VM < +12 V
VIN = +12 V
VIN = −7 V
IOUT = +4 mA
IOUT = −4 mA
VOUT = GND or VCC
0.4 V ≤ VOUT ≤ 2.4 V
DE = 0 V, RE = VCC (shutdown)
DE = 0 V, RE = 0 V
DE = VCC
DE = 0 V, RE = VCC (shutdown)
DE = 0 V, RE = 0 V
DE = VCC
DE = 0 V, RE = VCC (shutdown)
DE = 0 V, RE = 0 V
DE = VCC
DE = 0 V, RE = VCC (shutdown)
DE = 0 V, RE = 0 V
DE = VCC
Rev. 0 | Page 3 of 16
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