IC-HF Datasheet, PDF (7/36 Pages) IC-Haus GmbH – 6-CH. ENCODER LINK, RS-422 DRIVER/RECEIVER

iC-HF
preliminary
6-CH. ENCODER LINK, RS-422 DRIVER/RECEIVER
ELECTRICAL CHARACTERISTICS
Operating Conditions: Tj=-40 °C . . . 125 °C, VDD = 3 . . . 5.5 V, unless otherwise stated
Item Symbol Parameter
No.
Conditions
Total Device
001 V(VDD) Permissible Supply Voltage
002 I(VDD) Supply Current
no load, VDD = 5.5 V
no load, VDD = 3 V
003 I(VDDS) Permissible Load Current VDDS
004 I(GNDS) Permissible Load Current GNDS
005 Toff
Overtemperature Shutdown
Increasing temperature Tj
006 V(VDD)on Turn-On Threshold
Increasing VDD
007 V(VDD)off Turn-off Threshold
Decreasing VDD
008 V(VDD)hys Power-on Hysteresis
009 Vc()lo
Clamp Voltage lo at X1 . . . X6, I() = -1 mA
NX1 . . . NX3, PTC, ECM, OEN,
FMSEL1, FMSEL2, NERRI,
NERR, Q1 . . . Q6, NQ1 . . . NQ6,
VDDS
Digital Inputs X1 . . . X6, ECM, NERRI, OEN, FMSEL1, FMSEL2
101 Vt()hi
Input Threshold Voltage hi
Channel as output driver
102 Vt()lo
Input Threshold Voltage lo
Channel as output driver
103 Vt()hys Input Hysteresis
Channel as output driver
104 Ipd()
Input Pull-Down Current
Channel as output driver
V() = 0.4 V . . . VDDS
105 tdmax()
Maximum delay from Sin-
gle-Ended Input to RS422 output
Digital Outputs X4, X5, X6
201 Isc()lo
Output Short Circuit lo
Channel as RS-422 receiver
V() = VDDS
OEN = 1
202 Isc()hi
Output Short Circuit hi
Channel as RS-422 receiver
V() = GNDS
OEN = 1
203 Vs()lo
Output Saturation Voltage lo
Channel as RS-422 receiver
I() = 3 mA
Vs()= V() - V(GNDS)
OEN = 1
204 Vs()hi
205 tr()
Output Saturation Voltage hi
Rise Time
Channel as RS-422 receiver
I() = -3 mA
Vs()= VDDS - V()
OEN = 1
Channel as RS-422 receiver
Cext = 50 pF
OEN = 1
206 tf()
Fall Time
Channel as RS-422 receiver
Cext = 50 pF
OEN = 1
Analog Inputs/Outputs
301 Ron
ON Resistance at X1 . . . X6, NX1 Channel in Encoder Link State
. . . NX3
302 I(max)
Maximum Direct Current
Channel in Encoder Link State
303 Ilk()
Leakage Current at X1 . . . X6,
NX1 . . . NX3, Q1 . . . Q6, NQ1
. . . NQ6
Channel in Encoder Link State
304 f(COMM) Communication Frequency at X1 Channel in Encoder Link State
. . . X6, NX1 . . . NX3
NERR Output
401 INERR() Current in NERR
V(NERR) < 0.5 V, error
402 Vs()lo
Saturation Voltage lo
I(NERR) = 4mA
Rev C1, Page 7/36
Unit
Min. Typ. Max.
3
5.5
V
1.6 2.5 mA
1
1.8 mA
-60
0
mA
0
60
mA
135
185 ° C
2.1
2.9
V
2.1
2.9
V
3
mV
-1.5
-0.3
V
2
V
0.8
V
110 280
mV
4
60 220 µA
30
ns
8
-100
100 mA
-8
mA
400 mV
400 mV
20
ns
20
ns
110 400
Ω
1
mA
-35
0
35
µA
10 MHz
4
25
mA
0.5
V