
Microsemi
Carlsbad Division
5973 Aveniva Encinas, Suite 101, Carlsbad 92008, Fax (760) 431-0541
3
Copyright
2001
Rev. 0.2b, 2002-06-17
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LX1801
"SPARK" for MED427A-1
TARGET DATASHEET
CARLSBAD DIVISION
OPERAT ING CONDIT IONS
Parameter
Symbol
Higher supply voltage
Lower supply voltage
Operating temperature
Min
15
2.6
31
Typ
16
3.0
37
Max
20
3.4
43
Unit
V
V
°
C
VDDhi
VDDlo
T
AMB
E L E C T R I C A L C H A R A C T E RI S T I C S
Unless otherwise specified, the following specifications apply over the operating ambient temperature T
A
=37°C except where otherwise
noted. Test conditions: VDDHI=16V, EN2X=VDDLO=3.0V, VSS=0V, VDDHI impedance=2kOhm, OUThi load=5pF, OUTlo load=3nF
LX1801
Typ
Parameter
Symbol
Test Conditions
Min
Max
100 uA
Units
Average operating current
IDD
avg,hi
-ENhi & Enlo=VDDlo
-Measure from VDDhi
-no load
IDD
osc
-ENhi=VDDlo
-ENlo=VSS
-Measure from VDDlo
-no load
IDD
Stdby
-ENhi & Enlo=VSS
-Measure from VSS
-no load
f
-ENhi=VDDlo
-ENlo=VSS
-no load
V
lim,hi
-ENhi & Enlo=VDDlo
Oscillator operating current
3 mA
Standby operating current
1 nA
Frequency output
10 MHz
Voltage drop limit for OUThi
-max VSS+V
lim,hi
-min VDDhi-V
lim,hi
Voltage drop limit for OUTlo
-max VSS+V
lim,hi
-min VDDhi-V
lim,hi
Rise time for OUThi
Rise time for OUTlo
Fall time for OUThi
Fall time for OUTlo
Enable time for OUThi
1 V
V
lim,lo
-ENhi & Enlo=VDDlo
-10%-90%*VDDhi
-10%-90%*VDDhi
-90%-10%*VDDhi
-90%-10%*VDDhi
-Measure ENhi=90%*VDDlo to
OUThi=90%*VDDhi
-Measure ENlo=90%*VDDlo to
OUTlo=90%*VDDhi
-Measure ENhi=10%*VDDlo to
OUThi=10%*VDDhi
-Measure ENlo=10%*VDDlo to
OUTlo=10%*VDDhi
IDD
avg,hi
-ENhi & Enlo=VDDlo
-Measure from VDDhi
-no load
1 V
t
rise,hi
t
rise,lo
t
fall,hi
t
fall,lo
t
en,hi
10 us
10 us
10 us
10 us
10 us
Enable time for OUTlo
t
en,lo
10 us
Disable time for OUThi
t
dis,hi
300 us
Disable time for OUTlo
t
dis,lo
300 us
Average operating current
100 uA
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