CYRUSTEK CO.
continued from previous page
Parameter
Symbol
Ratiometric Reading
–
Linearity (Max. deviation
from best straight line fit)
Roll-over Error
Common Mode Rejection
Ratio
Low battery flag
Noise
Input Leakage Current
Zero Reading Drift
Analog COMMON Voltage
(with respect to V )
Analog COMMON Temper-
ature Cofficient
Segment Drive Voltage
Back plane Drive Voltage
Supply Current (Does not
include COMMON current)
Frequency counter input
level
–
–
–
–
–
4
4
–
5
5
1.2
–
6
6
1.6
–
DGND
+1.5
V
V
mA
V
AC Characteristics
Characteristics
Symbol Min.
LCD display frequency
–
Operating frequency
–
Buzzer drive frequency
–
FREQ-IN Waveform Rising Time
–
FREQ-IN Waveform Falling Time
–
FREQ-IN Waveform Pulse Width
17
Clock Delay Time
1
Data Set-up Time
–
EOC Pulse Width
–
Clock Pulse Width
500
MAX/MIN duration
0.8
MAX/MIN and HOLD Keys
Key debounce time
–
Key hold time
50
Typ.
167
40
2.5
–
–
–
–
–
–
–
–
32
–
8
Max.
–
–
–
20
20
–
5000
500
10
–
–
38
–
Unit
Hz
KHz
KHz
ns
ns
ns
s
ns
ms
ns
sec
ms
ms
November 23, 2006
Input terminals :
BZINM, BZINS, MAX/MIN, HOLD, RESET, FREQ/VOLT, CLK, DP1, DP2, DP3
Input logic high voltage
–
–
–
–
DGND
Input logic low voltage
+1.5
Pull down current
–
=
–
5
–
V
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–
C
C
25K
Between
Common and Posi-
tive Supply
25K
Between
Common
and
, C TA
C
to
=9V
to
=9V
=0V
2.8
3.0
3.2
V
–
60
75
ppm/ C
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–
–
,
–
–
1
0.2
10
1
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vs r
–
–
6.6
–
6.9
15
7.2
–
v
r
us
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–
–
qY §
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–
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qY §
–
r
r
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a
¢
£x
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px
a
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¢
£
Test Condition
=
,
=100mV
full-scale=200mV or
full-scale=2.000V
=
200.0mV
= 1V,
=0V
Full-Scale=200.0mV
V+ to V-
, full-
scale=200.0mV
Min.
999
-1
¢
¡
i
YaY
Y
ES5108
3 1/2 Digit
ADC with serial output
Typ.
999/1000
Max.
1000
1
+1
–
Units
Digital Reading
Counts
Counts
V/V
V
Vp-p
pA
V/ C
50
CYRUSTEK [ Cyrustek corporation ]
