zt490leep ywyn Corporation, zt490leep Datasheet - Page 3

• Manufacturer Part Number: zt490leep
• Description: Low Power 5v 250kbps/10mbps Rs485e Transceivers
• Manufacturer: ywyn Corporation

DC Electrical Characteristics
Unless otherwise stated, V
Zywyn Corporation
Parameter
TTL Logic Input
TTL Logic Output
RS-485 Input
RS-485 Output
Power Pin
Temp 0°C to +70°C
Temp –40°C to +85°C
V
Supply Current
I
I
I
I
TTL LOGIC Input
Input Threshold Low
Input Threshold High
TTL LOGIC Output
Output Voltage Low
Output Voltage High
Output Leakage Current Receiver Outputs Disabled, V
Short Circuit Current
Receiver Input
Input Current
DIfferential Threshold Voltage,V
Input Hysteresis
Input Resistance, R
Transmitter Output
DIfferential Output Voltage, V
DIfferential Output Voltage, dV
Driver Common Mode Output
Change in Voltage Magnitude
for Complimentary States, dV
Change in Voltage Magnitude
for Complimentary States, V
Transmitter Short-Circuit Current
CC
CC
CC
SD
CC
, Shutdown Current
, Tx and Rx active
, Tx active
, Rx active
Z ywyn
Voltage Range
IN
OC
OD
OC
OD
TH
CC
Condition
DE, DI, RE
RO
A, B
Y, Z
V
Commercial Grade
Industrial Grade
V
DI=V
DI=V
DI=V
DI=V
V
V
I
I
V
DE = 0V, V
DE = 0V, V
V
V
V
No Load
With R
With R
With R
Differential Output Voltage, with R
Refers to fi gure 1.
Common-Mode Output Voltage, with R
Refers to fi gure 2.
Output HIGH, V
Output LOW, V
OUT
OUT
CC
CC
CC
CC
OUT
CM
CM
CM
= +5.0V, T
, V
= +5.0V Supply
= +5.0V Supply, DE, DI, and RE
= +5.0V Supply, DE, DI, and RE
= +4mA, Input Differential Voltage = 200mV
= –4mA, Input Differential Voltage = 200mV
= 0V
= -7V to +12V
CC
CC
CC
CC
= -7V to +12V, V
= 0V to V
GND
L
L
L
/GND, DE=V
/GND, DE=V
/GND, DE=GND, RE=GND, RS-485 I/P=Open
/GND, DE = GND, RE = V
= 50Ω, C
= 27Ω. C
= 27Ω or 50Ω. C
CC
CC
A
= T
= 0V to 5.25V, V
= 0V to 5.25V, V
CC
OUT
OUT
min
L
L
= 50pF. Refers to fi gure 1. (RS422)
= 50pF. Refers to fi gure 1. (RS485)
= -7V to +12V. Refers to fi gure 7.
= -7V to +12V. Refers to fi gure 7.
CC
CC
to T
CC
, RE=GND, RS-485 I/P=Open
, RE=V
max
=+5.0V, T
L
= 50pF.Refers to fi gure 3.
, typical values apply at V
OUT
CC
IN
IN
, RS-485 I/P=Open
= +12V
= –7V
CC,
L
= 0.4V to 2.4V
A
=25
= 27Ω or 50Ω, C
RS-485 I/P=Open
3
L
o
C
= 60Ω, 375Ω, 375Ω.
L
CC
= 50pF.
= +5.0V and T
Specifi cations subject to change without notice
A
High Z
High Z
4.75
–0.2
Min
–40
2.0
3.5
1.5
= 25°C.
12
0
7
2
O/P
O/P
when disabled
when disabled
Typ
+25
+25
400
400
400
5.0
1.0
20
1000
1000
1000
Max
5.25
–0.8
+0.2
+70
+85
250
250
0.8
0.4
1.0
0.2
0.2
10
±1
95
5
5
3
August 2007
ZT4xxE
Units
rev. 1.5
mA
mA
mA
mV
mA
mA
kΩ
°C
°C
μA
μA
μA
μA
μA
V
V
V
V
V
V
V
V
V
V
V
V