ADM3483 Просмотр технического описания (PDF) - Analog Devices
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ADM3483 Datasheet PDF : 20 Pages
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ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Data Sheet
SPECIFICATIONS
VCC = 3.3 V ± 0.3 V, TA = TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
DRIVER
Differential Output Voltage (VOD)
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 (VIL)
CMOS Input Logic Threshold High (VIH)
CMOS Logic Input Current (IIN1)
Input Current—A, B (IIN2)
Output Leakage—Y, Z (IO)
Output Leakage (Y, Z) in Shutdown Mode (IO)
RECEIVER
Differential Input Threshold Voltage (VTH)
Input Hysteresis (Δ VTH)
CMOS Output Voltage High (VOH)
CMOS Output Voltage Low (VOL)
Three-State Output Leakage Current (IOZR)
Input Resistance (RIN)
POWER SUPPLY CURRENT
Supply Current (ICC)
Supply Current in Shutdown Mode (ISHDN)
Driver Short-Circuit Output Current (IOSD)
Receiver Short-Circuit Output Current (IOSR)
Min
Typ Max
2.0
1.5
1.5
0.2
3
0.2
0.8
2.0
±2
1.0
−0.8
0.1
−0.1
0.01
−0.01
−0.2
+0.2
50
VCC – 0.4
0.4
±1
12
1.1 2.2
0.95 1.9
0.002 1
−250
250
±8
±60
Unit Test Conditions/Comments
V
RL = 100 Ω (RS-422), VCC = 3.3 V ± 5% (see Figure 17)
V
RL = 54 Ω (RS-485) (see Figure 17)
V
RL = 60 Ω (RS-485), VCC = 3.3 V (see Figure 18)
V
RL = 54 Ω or 100 Ω (see Figure 17)
V
RL = 54 Ω or 100 Ω (see Figure 17)
V
RL = 54 Ω or 100 Ω (see Figure 17)
V DE, DI, RE
V DE, DI, RE
μA DE, DI, RE
mA VIN = 12 V, DE = 0 V, VCC = 0 V or 3.6 V
mA VIN = −7 V, DE = 0 V, VCC = 0 V or 3.6 V
μA VIN = 12 V, DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V,
ADM3491 only
μA VIN = −7 V, DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V,
ADM3491 only
μA VIN = 12 V, DE = 0 V, RE = VCC, VCC = 0 V or 3.6 V,
ADM3491 only
μA VIN = −7 V, DE = 0 V, RE = VCC, VCC = 0 V or 3.6 V,
ADM3491 only
V
−7 V < VCM < +12 V
mV VCM = 0 V
V
IOUT = −1.5 mA, VID = 200 mV (see Figure 19)
V
IOUT = 2.5 mA, VID = 200 mV (see Figure 19)
μA VCC = 3.6 V, 0 V ≤ VOUT ≤ VCC
kΩ −7 V < VCM < +12 V
mA DE = VCC, RE = 0 V or VCC, no load, DI = 0 V or VCC
mA DE = 0 V, RE = 0 V, no load, DI = 0 V or VCC
μA DE = 0 V, RE = VCC, DI = VCC or 0 V
mA VOUT = −7 V
mA VOUT = 12 V
mA 0 V < VRO < VCC
1∆VOD and ∆VOC are the changes in VOD and VOC, respectively, when DI input changes state.
Rev. E | Page 4 of 20
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