ADM3493ARZ Просмотр технического описания (PDF) - Analog Devices
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ADM3493ARZ Datasheet PDF : 12 Pages
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ADM3493
SPECIFICATIONS
VCC = 3.3 V ±0.3 V, TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
DRIVER
Differential Output Voltage, VOD
Min
Typ
2.0
1.5
1.5
Δ |VOD| for Complementary Output States1
Common-Mode Output Voltage, VOC
Δ |VOC| for Common-Mode Output Voltage1
DRIVER INPUT LOGIC
CMOS Input Logic Threshold Low, VIH
CMOS Input Logic Threshold High, VIL
CMOS Logic Input Current, IN1
Input Current (A, B), IN2
RECEIVER
Differential Input Threshold Voltage, VTH
Input Hysteresis, Δ VTH
CMOS Output Voltage High, VOH
2.0
60
−60
−0.2
50
Vcc – 0.4
CMOS Output Voltage Low, VOL
Three-State Output Leakage Current, IOZR
Input Resistance, RIN
96
POWER SUPPLY CURRENT
Supply Current
1.1
0.95
Supply Current in Shutdown Mode, ISHDN
Driver Short-Circuit Output Current, IOSD
0.002
Receiver Short-Circuit Output Current, IOSR
±8
1 ΔVOD and ΔVOC are the changes in VOD and VOC, respectively, when DI input changes state.
Max
0.2
3
0.2
0.8
±2
0.2
0.4
±1
2.2
1.9
1
−250
250
±60
Units
V
V
V
V
V
V
V
V
μA
μA
μA
V
mV
V
V
μA
kΩ
mA
mA
μA
mA
mA
mA
Test Conditions/Comments
RL = 100 Ω (RS-422), Vcc = 3.3 V
±5% (see Figure 3)
RL = 54 Ω (RS-485) (see Figure 3)
RL = 60 Ω (RS-485), Vcc = 3.3 V
(see Figure 4)
RL = 54 Ω or 100 Ω (see Figure 3)
RL = 54 Ω or 100 Ω (see Figure 3)
RL = 54 Ω or 100 Ω (see Figure 3)
DE, DI, RE
DE, DI, RE
DE, DI, RE
VIN = 12 V
VIN = −7 V
DE = 0 V
VCC = 0 V or 3.6 V
−7V < VCM < + 12 V
VCM = 0 V
IOUT = −1.5 mA, VID = 200 mV
(see Figure 5)
IOUT = 2.5mA, VID = 200mV
(see Figure 5)
Vcc = 3.6 V, 0 V ≤ VOUT ≤ Vcc
−7 V < VCM < + 12 V
DE = VCC
RE = 0 V or VCC
DE = VCC
No load,
DI = 0 V or VCC
RE = 0 V
DE = 0 V, RE = VCC, DI = VCC or 0 V
VOUT = −7 V
VOUT = 12 V
0 V < VRO < VCC
Rev. 0 | Page 3 of 12
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