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
10
V
V
4.75
4.75
5.25
V
V
DD
SS
Positive Supply Voltage
10
-5.25
20
Negative Supply Voltage
*
*
*
11
1.2
250
19
100
1
mA
mA
µA
mA
mA
µA
mW
mW
mW
Positive Supply Current
I
Nap Mode: SHDN\ = 0V, CS\ = 0V
Sleep Mode: SHDN\ = 0V, CS\ = 5V
DD
30
Negative Supply Current
Power Dissipation
I
SS
Nap Mode: SHDN\ = 0V, CS\ = 0V
Sleep Mode: SHDN\ = 0V, CS\ = 5V
150 240
7.5 12
1.2
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
Maximum Sampling Frequency
*
*
*
*
*
*
f
800
kHz
ns
ns
ns
ns
ns
ns
ns
ns
SAMPLE(MAX)
Conversion Time
t
950 1150
90 300
CONV
Acquisition Time
t
ACQ
ACQ + CONV
Acquisition + Conversion Time
t
1040 1250
9,10
t
t
t
t
t
0
1
2
3
4
5
CS\ to RD\ Setup Time
9,10
40
40
CS\ to CONVST\ Setup Time
9,10
CS\ to SHDN\ Setup Time
10
400
SHDN\ to CONVST\ Wake-up Time
10,11
*
*
40
CONVST\ Low Time
C = 25pF
20
50
50
ns
ns
ns
ns
ns
L
CONVST\ to BUSY\ Delay
Data Ready Before BUSY\
t
t
6
7
20
15
40
*
*
10
t
t
8
9
Delay Between Conversions
9
*
-5
ns
Wait Time RD\ After BUSY\
C = 25pF
15
20
10
25
35
35
50
20
ns
ns
ns
ns
ns
L
*
*
Data Access Time After RD\
Bus Relinquish Time
t
t
10
11
C = 100pF
L
0°C < T < 70°C
*
*
*
*
25
30
ns
ns
ns
ns
A
-40°C < T < 85°C
A
RD\ Low Time
t
t
t
10
12
13
CONVST\ High Time
40
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS1419 & AS1419A
Rev. 0.1 1/04
4
MICROSS [ MICROSS COMPONENTS ]
