IL485W Просмотр технического описания (PDF) - Unspecified
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IL485W Datasheet PDF : 4 Pages
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Driver Section Specifications
All Specifications are Tmin to Tmax unless otherwise stated
PARAMETERS
Input Clamp Voltage
Output Voltage
Differential Output Voltage
Differential Output Voltage (6)
Differential Output Voltage
Change in Magnitude of (7)
Differential Output Voltage
Common Mode Output Voltage
Change in Magnitude of (7)
Common Mode Output Voltage
Output Current (4)
High Level Input Current
Low Level Input Current
Short-Circuit Output Current
SYMBOL
VI K
VO
|VOD1|
|VOD2|
VOD3
∆ |VO D|
VO C
∆ |VO C|
IO
IIH
IIL
MIN.
0
1.5
1.5
1.5
Supply Current
Switching Characteristics
(V DD2 = +5V)
(V DD1 = +5V)
IOS
IDD2
IDD1
Maximum Data Rate
35
Differential Output Delay Time
Pulse Skew (10)
Differential Output Transition Time
Output Enable Time to High Level
Output Enable Time to Low Level
Output Disable Time from High Level
Output Disable Time from Low Level
Skew Limit (3)
tD (OD)
tSK (P)
tT (OD)
tPZH
tPZL
tPHZ
tPLZ
tSK (LIM)
Notes
1. All Voltage values are with respect to network ground except differential
I/O bus voltages.
2. Differential input/output voltage is measured at the noninverting
terminal A/Y with respect to the inverting terminal B/Z.
3. Skew limit is the maximum difference in any two channels in one
device.
4. The power-off measurement in ANSI Standard EIA/TIA-422-B applies
to disabled outputs only and is not applied to combined inputs and outputs.
5. All typical values are at VDD1, VDD2 = 5V and T A = 25°C.
6. The minimum VOD2 with a 100Ω load is either ½VOD1 or 2V,
whichever is greater.
7. ∆|VOD| and ∆|VOC| are the changes in magnitude of V OD and V OC,
respectively, that occur when the input is changed form one logic state to
the other.
8. This applies for both power on and power off, refer to ANSI standard
RS-485 for exact condition. The EIA/TIA-422-B limit does not apply for a
combined driver and receiver terminal.
9. Includes 8 ns read enable time. Maximum propagation delay is 25 ns
after read assertion.
10. Pulse skew is defined as the |tPLH -tPHL| of each channel.
TYP. (5)
2.5
MAX.
-1.5
6
6
5
5
±0.2
3
-1
±0.2
1
-0.8
10
-10
-250
-150
250
27
34
5
10
16
25
1
6
8
10
31
65
22
35
28
50
16
32
2
8
UNITS
V
V
V
V
V
V
V
V
mA
mA
µA
µA
mA
mA
mA
mA
mA
Mbd
ns
ns
ns
ns
ns
ns
ns
ns
TEST CONDITIONS
IL = -18mA
IO = 0
IO = 0
RL = 54Ω
Vtest = -7 to 12V
RL = 54 or 100Ω
RL = 54 or 100Ω
RL = 54 or 100Ω
Output Disabled VO = 12
VO = -7
VI = 3.5V
VI = 0.4V
VO = -6
VO = 0
VO = 8
No Load (Outputs Enabled)
RL = 54Ω , CL = 50pF
RL = 54Ω , CL = 50pF
RL = 54Ω , CL = 50pF
RL = 54Ω , CL = 50pF
RL = 54Ω , CL = 50pF
RL = 54Ω , CL = 50pF
RL = 54Ω , CL = 50pF
RL = 54Ω , CL = 50pF
RL = 54Ω , CL = 50pF
Rhopoint Components Ltd
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Germany: +49 (0) 692 199 8606 Fax: +49 (0) 692 199 8595
Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com
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