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Data Sheet
ADuM1234
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
4.5 V ≤ V DD1 ≤ 5.5 V, 12 V ≤ V DDA ≤ 18 V, 12 V ≤ V DDB ≤ 18 V. All minimum/maximum specifications apply over the entire recommended
operating range, unless otherwise noted. All typical specifications are at T A = 25°C, V DD1 = 5 V, V DDA = 15 V, V DDB = 15 V. All voltages are
relative to their respective grounds.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DC SPECIFICATIONS
Input Supply Current, Quiescent
Output Supply Current A or Output Supply
I DDI(Q)
I DDA(Q) ,
3.0
0.3
4.2
1.2
mA
mA
Current B, Quiescent
I DDB(Q)
Input Supply Current, 10 Mbps
I DDI(10)
6.0
9.0
mA
Output Supply Current A or Output Supply
I DDA(10) ,
16
22
mA
C L = 200 pF
Current B, 10 Mbps
I DDB(10)
Input Currents
I IA , I IB ,
?10
+0.01
+10
μA
0 V ≤ V IA , V IB , V DISABLE ≤ V DD1
I DISABLE
Logic High Input Threshold
Logic Low Input Threshold
V IH
V IL
0.7 × V DD1
0.3 × V DD1
V
V
Logic High Output Voltages
V OAH , V OBH
V DDA ? 0.1,
V DDA , V DDB
V
I OA , I OB = ?1 mA
V DDB ? 0.1
Logic Low Output Voltages
Output Short-Circuit Pulsed Current 1
V OAL , V OBL
I OA(SC) , I OB(SC)
100
0.1
V
mA
I OA , I OB = +1 mA
SWITCHING SPECIFICATIONS
C L = 200 pF
Minimum Pulse Width 2
Maximum Switching Frequency 3
PW
10
100
ns
Mbps
Propagation Delay 4
t PHL , t PLH
97
124
160
ns
Change vs. Temperature
100
ps/°C
Pulse Width Distortion, |t PLH ? t PHL |
Channel-to-Channel Matching,
PWD
8
5
ns
ns
Rising or Falling Edges 5
Channel-to-Channel Matching,
Rising vs. Falling Edges 6
13
ns
Part-to-Part Matching, Rising
55
ns
Input t R = 3 ns
or Falling Edges 7
Part-to-Part Matching, Rising
63
ns
Input t R = 3 ns
vs. Falling Edges 8
Output Rise/Fall Time (10% to 90%)
t R /t F
25
ns
1
2
3
4
5
6
7
8
Short-circuit duration less than 1 sec.
The minimum pulse width is the shortest pulse width at which the specified timing parameters are guaranteed.
The maximum switching frequency is the maximum signal frequency at which the specified timing parameters are guaranteed.
t PHL propagation delay is measured from the 50% level of the falling edge of the V Ix signal to the 50% level of the falling edge of the V Ox signal. t PLH propagation delay is
measured from the 50% level of the rising edge of the V Ix signal to the 50% level of the rising edge of the V Ox signal.
Channel-to-channel matching, rising or falling edges, is the magnitude of the propagation delay difference between two channels of the same part when the inputs
are either both rising or falling edges. The supply voltages and the loads on each channel are equal.
Channel-to-channel matching, rising vs. falling edges, is the magnitude of the propagation delay difference between two channels of the same part when one input is
a rising edge and the other input is a falling edge. The supply voltages and loads on each channel are equal.
Part-to-part matching, rising or falling edges, is the magnitude of the propagation delay difference between the same channels of two different parts when the inputs
are either both rising or falling edges. The supply voltages, temperatures, and loads of each part are equal.
Part-to-part matching, rising vs. falling edges, is the magnitude of the propagation delay difference between the same channels of two different parts when one input
is a rising edge and the other input is a falling edge. The supply voltages, temperatures, and loads of each part are equal.
Rev. A | Page 3 of 12
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