ADC
AS1419
AS1419A
Austin Semiconductor, Inc.
POWER REQUIREMENTS (* denotes specifications which apply over the full
operating temperature range, otherwise specifications are
TA = +25°C.)5
PARAMETER
CONDITIONS
SYM MIN TYP MAX UNITS
±0
V
V
4.75
4.75
5.25
V
V
DD
SS
Positive Supply Voltage
±0
-5.25
20
Negative Supply Voltage
*
*
*
±±
±.5
250
±9
mA
mA
µA
Positive Supply Current
I
Nap Mode: SHDN\ = 0V, CS\ = 0V
Sleep Mode: SHDN\ = 0V, CS\ = 5V
DD
30
mA
mA
µA
Negative Supply Current
Power Dissipation
I
SS
Nap Mode: SHDN\ = 0V, CS\ = 0V
Sleep Mode: SHDN\ = 0V, CS\ = 5V
±00
±
±50 240
7.5 ±2
±.2
mW
mW
mW
P
Nap Mode: SHDN\ = 0V, CS\ = 0V
Sleep Mode: SHDN\ = 0V, CS\ = 5V
DIS
TIMING CHARACTERISTICS (* denotes specifications which apply over the
full operating temperature range, otherwise specifications are
TA = +25°C.)5
PARAMETER
CONDITIONS
SYM
MIN
TYP MAX UNITS
fSAMPLE(MAX)
MaximumꢀSamplingꢀFrequency
*
*
*
*
*
*
800
kHz
tCONV
tACQ
ConversionꢀTime
950
90
1150
300
ns
ns
ns
AcquisitionꢀTime
tACQꢀ+ꢀCONV
Acquisitionꢀ+ꢀConversionꢀTime
CS\ꢀtoꢀRD\ꢀSetupꢀTimeꢀ9,10
CS\љꢀtoꢀCONVST\љꢀꢀSetupꢀTimeꢀ9,10ꢀ
CS\љꢀtoꢀSHDN\љꢀꢀSetupꢀTimeꢀ9,10ꢀ
SHDN\јꢀtoꢀCONVST\љꢀꢀWakeͲupꢀTimeꢀ10
1040 1250
t1
t2
t3
t4
t5
0
ns
ns
ns
ns
ns
ns
40
40
400
20
CONVST\ꢀLowꢀTimeꢀ10,ꢀ11
*
*
40
CL=25pF
CONVST\ꢀtoꢀBUSY\ꢀDelay
t6
50
ns
ns
ns
20
15
50
DataꢀReadyꢀBeforeꢀBUSY\ј
t7
t8
t9
*
*
*
DelayꢀBetweenꢀConversionsꢀ10
WaitꢀTimeꢀRD\љꢀAfterꢀBUSY\ј9
40
ns
ns
Ͳ5
CL=25pF
15
20
10
25
35
35
ns
ns
ns
*
*
t10
DataꢀAccessꢀTimeꢀAfterꢀRD\љ
BusꢀRelinquishꢀTime
CL=100pF
50
20
ns
ns
ꢀͲ40oCꢀчꢀTAꢀ<ꢀ85oC
ꢀͲ55oCꢀчꢀTAꢀ<ꢀ125oC
*
*
*
*
30
35
ns
ns
ns
ns
t11
t12
t13
t10
40
RD\ꢀLowꢀTime
CONVST\ꢀHighꢀTime
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS1419 & AS1419A
Rev. 1.5 08/09
4
AUSTIN [ AUSTIN SEMICONDUCTOR ]
