ADM485ANZ View Datasheet(PDF) - Analog Devices
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Description
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ADM485ANZ Datasheet PDF : 17 Pages
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ADM485
SPECIFICATIONS
VCC = 5 V ± 5%, all specifications TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
DRIVER
Differential Output Voltage, VOD
VOD3
Δ|VOD| for Complementary Output States
Common-Mode Output Voltage, VOC
Δ|VOD| for Complementary Output States
Output Short-Circuit Current, VOUT = High
Output Short-Circuit Current, VOUT = Low
CMOS Input Logic Threshold Low, VINL
CMOS Input Logic Threshold High, VINH
Logic Input Current (DE, DI)
RECEIVER
Differential Input Threshold Voltage, VTH
Input Voltage Hysteresis, ΔVTH
Input Resistance
Input Current (A, B)
CMOS Input Logic Threshold Low, VINL
CMOS Input Logic Threshold High, VINH
Logic Enable Input Current (RE)
CMOS Output Voltage Low, VOL
CMOS Output Voltage High, VOH
Short-Circuit Output Current
Three-State Output Leakage Current
POWER SUPPLY CURRENT
ICC, Outputs Enabled
ICC, Outputs Disabled
Min Typ Max Unit Test Conditions/Comments
5.0 V
R = ∞, see Figure 20
2.0
5.0 V
VCC = 5 V, R = 50 Ω (RS-422), see Figure 20
1.5
5.0 V
R = 27 Ω (RS-485), see Figure 20
1.5
5.0 V
VTST = −7 V to +12 V, see Figure 21
0.2 V
R = 27 Ω or 50 Ω, see Figure 20
3
V
R = 27 Ω or 50 Ω, see Figure 20
0.2 V
R = 27 Ω or 50 Ω
35
250 mA −7 V ≤ VO ≤ +12 V
35
250 mA −7 V ≤ VO ≤ +12 V
0.8 V
2.0
V
±1.0 μA
−0.2
70
12
2.0
4.0
7
+0.2 V
mV
kΩ
1
mA
–0.8 mA
0.8 V
V
±1 μA
0.4 V
V
85 mA
±1.0 μA
−7 V ≤ VCM ≤ +12 V
VCM = 0 V
−7 V ≤ VCM ≤ +12 V
VIN = 12 V
VIN = −7 V
IOUT = 4.0 mA
IOUT = −4.0 mA
VOUT = GND or VCC
0.4 V ≤ VOUT ≤ 2.4 V
1.0 2.2
0.6 1
mA Digital inputs = GND or VCC
mA Digital inputs = GND or VCC
Rev. F | Page 3 of 16
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