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UT3223_17 Datasheet(PDF) 5 Page - Unisonic Technologies

Part No. UT3223_17
Description  DRIVERS/RECEIVERS
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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UT3223
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 9
www.unisonic.com.tw
QW-R502-A91.e
ELECTRICAL CHARACTERISTICS(Cont.)
(VCC=+3.0V~+5.5V, C1~C4=0.1µF (Note 2), TA = TMIN to TMAX, Unless Otherwise Specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
High
tINVH
1.0
µs
Receiver Positive or
Negative Threshold to
INVALID
Low
tINVL
Fig.2
30
µs
RECEIVER INPUTS
Input Voltage Range
VRR
-25
25
V
VCC=3.3V
0.6
1.2
Input Threshold Low
VRINL
TA=25°C
VCC=5.0V
0.8
1.5
V
VCC=3.3V
1.5
2.4
Input Threshold High
VRINH
TA=25°C
VCC=5.0V
1.8
2.7
V
Input Hysteresis
VRINHYS
0.5
V
Input Resistance
VRINRES TA=25°C
3
5
7
kΩ
TRANSMITTER OUTPUTS
Output Voltage Swing
VTOUTSW
All transmitter outputs loaded with 3kΩ to
ground
±5.0
±5.4
V
Output Resistance
VTOUTRES
VCC= V+=V-=0V,
Transmitter output=±2V
300
10M
Output Short-Circuit Current
ITSC
±35
±60
mA
Output Leakage Current
ITOUT(LK)
VCC=3.0V~5.0V, VOUT=±12V,
Transmitters disabled
±25
µA
TIMING CHARACTERISTICS
Maximum Data Rate
DR
RL=3kΩ, CL=1000pF, one transmitter
switching
250
kbps
tPHL
0.15
Receiver Propagation Delay
tPLH
Receiver
input
to
receiver
output,
CL=150pF
0.15
µs
Enable
tR(EN)
200
ns
Receiver Output Time
Disable
tR(DIS)
Normal operation
200
ns
Transmitter Skew
tTS
|tPHL – tPLH|
100
ns
Receiver Skew
tRS
|tPHL – tPLH|
50
ns
Transition-Region Slew Rate
SR
VCC=3.3V, TA=25°C,
RL=3kΩ~7kΩ,
measured from +3V
~ -3V or -3V~+3V
CL=220pF~1000pF
5
35
V/µs
Notes: 1. Typical values are at TA=25°C.
2. C1~C4=0.1µF, measured at 3.3V±10%. C1=0.047µF, C2~C4=0.33µF, measured at 5.0V ±10%.




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