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ADM3486E Fiches technique(PDF) 4 Page - Analog Devices

No de pièce ADM3486E
Description  Full-Duplex, RS-485/RS-422 Transceivers
Download  20 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADM3486E Fiches technique(HTML) 4 Page - Analog Devices

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ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Rev. A | Page 4 of 20
SPECIFICATIONS
VCC = 3.3 V ± 0.3 V, TA = TMIN to TMAX, unless otherwise noted.
Table 2. ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Differential Outputs
Differential Output Voltage
VOD
2.0
V
RL = 100 Ω (RS-422) (see Figure 7)
1.5
V
RL = 54 Ω (RS-485) (see Figure 7)
1.5
V
RL = 60 Ω (RS-485) (see Figure 8)
Δ|VOD| for Complementary Output States1
∆VOD
0.2
V
RL = 54 Ω or 100 Ω (see Figure 7)
Common-Mode Output Voltage
VOC
3
V
RL = 54 Ω or 100 Ω (see Figure 7)
Δ|VOC| for Complementary Output States1
∆VOC
0.2
V
RL = 54 Ω or 100 Ω (see Figure 7)
Short-Circuit Output Current
IOSD
−250
mA
VOUT = −7 V
250
mA
VOUT = 12 V
Output Leakage (Y, Z) (ADM3491E Only)
IO
Normal Mode
20
μA
DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V,
VOUT = 12 V
−20
μA
DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V,
VOUT = −7 V
Shutdown Mode
1
μA
DE = 0 V, RE = VCC, VCC = 0 V or 3.6 V,
VOUT = 12 V
−1
μA
DE = 0 V, RE = VCC, VCC = 0 V or 3.6 V,
VOUT = −7 V
Logic Inputs
Input High Voltage
VIH
2.0
V
DE, DI, RE
Input Low Voltage
VIL
0.8
V
DE, DI, RE
Logic Input Current
IIN1
±2
μA
DE, DI, RE
RECEIVER
Differential Inputs
Differential Input Threshold Voltage
VTH
−0.2
0.2
V
−7 V < VCM < +12 V
Input Hysteresis
∆VTH
50
mV
VCM = 0 V
Input Resistance (A, B)
RIN
12
k
−7 V < VCM < +12 V
Input Current (A, B)
IIN2
1.0
mA
DE = 0 V, VCC = 0 V or 3.6 V, VIN = 12 V
−0.8
mA
DE = 0 V, VCC = 0 V or 3.6 V, VIN = −7 V
RO Logic Output
Output High Voltage
VOH
VCC − 0.4
V
IOUT = −1.5 mA, VID = 200 mV (see Figure 9)
Output Low Voltage
VOL
0.4
V
IOUT = 2.5 mA, VID = 200 mV (see Figure 9)
Short-Circuit Output Current
IOSR
±8
±60
mA
0 V < VRO < VCC
Tristate Output Leakage Current
IOZR
±1
μA
VCC = 3.6 V, 0 V < VOUT < VCC
POWER SUPPLY
Voltage Range
VCC
3.0
3.6
V
Supply Current
ICC
1.1
2.2
mA
No load, DI = 0 V or VCC, DE = VCC,
RE = 0 V or VCC
0.95
1.9
mA
No load, DI = 0 V or VCC, DE = 0 V,
RE = 0 V
Shutdown Current
ISHDN
0.002
1
μA
DE = 0 V, RE = VCC, DI = 0 V or VCC
ESD PROTECTION
A, B, Y, Z Pins
±15
kV
Human body model
All Pins Except A, B, Y, Z Pins
±4
kV
Human body model
1 Δ|VOD| and Δ|VOC| are the changes in VOD and VOC, respectively, when DI input changes state.


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