Dc and logic electrical characteristics – Rainbow Electronics ADC12038 User Manual
Page 6
DC and Logic Electrical Characteristics
The following specifications apply for V
a
e
V
A
a
e
V
D
a
e a
5 0 V
DC
V
REF
a
e a
4 096 V
DC
V
REF
b
e
0 V
DC
12-bit a
sign conversion mode f
CK
e
f
SK
e
8 MHz for the ADC12H030 ADC12H032 ADC12H034 and ADC12H038 f
CK
e
f
SK
e
5 MHz for the ADC12030 ADC12032 ADC12034 and ADC12038 R
S
e
25X source impedance for V
REF
a
and V
REF
b
s
25X fully-differential input with fixed 2 048V common-mode voltage and 10(t
CK
) acquisition time unless otherwise specified
Boldface limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
all other limits T
A
e
T
J
e
25 C (Notes 7 8 and 9)
Symbol
Parameter
Conditions
Typical
Limits
Units
(Note 10)
(Note 11)
(Limits)
CCLK CS CONV DI PD AND SCLK INPUT CHARACTERISTICS
V
IN(1)
Logical ‘‘1’’ Input Voltage
V
a
e
5 5V
2 0
V (min)
V
IN(0)
Logical ‘‘0’’ Input Voltage
V
a
e
4 5V
0 8
V (max)
I
IN(1)
Logical ‘‘1’’ Input Current
V
IN
e
5 0V
0 005
1 0
m
A (max)
I
IN(0)
Logical ‘‘0’’ Input Current
V
IN
e
0V
b
0 005
b
1 0
m
A (min)
DO EOC AND DOR DIGITAL OUTPUT CHARACTERISTICS
V
OUT(1)
Logical ‘‘1’’ Output Voltage
V
a
e
4 5V I
OUT
e b
360 mA
2 4
V (min)
V
a
e
4 5V I
OUT
e b
10 mA
4 25
V (min)
V
OUT(0)
Logical ‘‘0’’ Output Voltage
V
a
e
4 5V I
OUT
e
1 6 mA
0 4
V (max)
I
OUT
TRI-STATE Output Current
V
OUT
e
0V
b
0 1
b
3 0
m
A (max)
V
OUT
e
5V
0 1
3 0
m
A (max)
a
I
SC
Output Short Circuit Source Current
V
OUT
e
0V
14
6 5
mA (min)
b
I
SC
Output Short Circuit Sink Current
V
OUT
e
V
D
a
16
8 0
mA (min)
POWER SUPPLY CHARACTERISTICS
I
D
a
Digital Supply Current
Awake
1 6
2 5
mA (max)
ADC12030 ADC12032 ADC12034
CS e HIGH Powered Down CCLK on
600
m
A
and ADC12038
CS e HIGH Powered Down CCLK off
20
m
A
Digital Supply Current
Awake
2 3
3 2
mA
ADC12H030 ADC12H032 ADC12H034
CS e HIGH Powered Down CCLK on
0 9
mA
and ADC12H038
CS e HIGH Powered Down CCLK off
20
m
A
I
A
a
Positive Analog Supply Current
Awake
2 7
4 0
mA (max)
CS e HIGH Powered Down CCLK on
10
m
A
CS e HIGH Powered Down CCLK off
0 1
m
A
I
REF
Reference Input Current
Awake
70
m
A
CS e HIGH Powered Down
0 1
m
A
6