MB4U_17 Datasheet, PDF (5/16 Pages) IC-Haus GmbH – BiSS, SSI, PC-USB 2.0 ADAPTER

MB4U
BiSS, SSI, PC-USB 2.0 ADAPTER
preliminary
Rev C1, Page 5/16
ELECTRICAL CHARACTERISTICS
Item Symbol Parameter
No.
Conditions
Power Supply Input
001 Vusb
Supply Voltage
By USB port
002 Iusb
Current Consumption
From USB port
Power Supply Output (VDD, VB)
101 VDD
VDD Supply Output
USB powered
102 I(VDD)
Permissible VDD Load Current USB powered; load at VDD;
no other load at VB, MA±, MO±
103 VB
VB Supply Output
USB powered
104 I(VB)
Permissible VB Load Current
USB powered; load at VB;
no other load at VDD, MA±, MO±
RS-422 Outputs MA/NMA/MO/NMO
301 Vout()
Diff. Output at MA+, MA-, MO+, RL = 54Ω;
MO-
according to MAX3491EESD+ or ADM3491
datasheet
302 fclock() Clock Frequency at MA+, MA- 50% duty cycle
303 fdata() Data Frequency at MO+, MO- 50% duty cycle
RS-422 Inputs SL/NSL
401 f(max)
Maximum Communication Fre- 50% duty cycle
quency
402 VIT+()
Positive going input threshold according to MAX3491EESD+ or ADM3491
voltage at SL+ vs. SL-
datasheet
403 VIT-()
Positive going input threshold according to MAX3491EESD+ or ADM3491
voltage at SL+ vs. SL-
datasheet
404 VHYST Hysteresis voltage
according to MAX3491EESD+ or ADM3491
datasheet
405 Rin()
Input Termination at SL+ vs. SL-
Unit
Min. Typ. Max.
4.5 5.0 5.5
V
500 mA
4.5 5.0 5.5
V
250 mA
9
12
13
V
90
mA
1.5
V
10
MHz
10
MHz
10 MHz
0.8
V
2.0
V
50
mV
120
Ω