Dc and logic electrical characteristics – Rainbow Electronics ADC12138 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
5V V
REF
a
e a
4 096V and fully-differential input with fixed
2 048V common-mode voltage) or (V
a
e
V
A
a
e
V
D
a
e
a
3 3V V
REF
a
e
a
2 5V and fully-differential input with fixed
1 250V common-mode voltage) V
REF
b
e
0V 12-bit a sign conversion mode source impedance for analog inputs V
REF
b
and V
REF
a
s
25X f
CK
e
f
SK
e
5 MHz and 10 (t
CK
) acquisition time unless otherwise specified Boldfade 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
(Note 10)
Typical
V
a
e
V
A
a
e
V
a
e
V
A
a
e
(Limits)
Units
V
D
a
e
3 3V
V
D
a
e
5V
Limits
Limits
(Note 11)
(Note 11)
CCLK CS CONV DI PD AND SCLK INPUT CHARACTERISTICS
V
IN(1)
Logical ‘‘1’’ Input
V
A
a
e
V
D
a
e
V
a
a
10%
2 0
2 0
V (min)
Voltage
V
IN(0)
Logical ‘‘0’’ Input
V
A
a
e
V
D
a
e
V
a
b
10%
0 8
0 8
V (max)
Voltage
I
IN(1)
Logical ‘‘1’’ Input
V
IN
e
V
a
0 005
1 0
1 0
m
A (max)
Current
I
IN(0)
Logical ‘‘0’’ Input
V
IN
e
0V
b
0 005
b
1 0
b
1 0
m
A (min)
Current
DO EOC AND DOR DIGITAL OUTPUT CHARACTERISTICS
V
OUT(1)
Logical ‘‘1’’
V
A
a
e
V
D
a
e
V
a
b
10%
2 4
2 4
V (min)
Output Voltage
I
OUT
e b
360 mA
V
A
a
e
V
D
a
e
V
a
b
10%
2 9
4 25
V (min)
I
OUT
e b
10 mA
V
OUT(0)
Logical ‘‘0’’
V
A
a
e
V
D
a
e
V
a
b
10%
0 4
0 4
V (max)
Output Voltage
I
OUT
e
1 6 mA
I
OUT
TRI-STATE
V
OUT
e
0V
b
0 1
b
3 0
b
3 0
m
A (max)
Output Current
V
OUT
e
V
a
b
0 1
3 0
3 0
a
I
SC
Output Short
V
OUT
e
0V
b
14
mA
Circuit Source
Current
b
I
SC
Output Short
V
OUT
e
V
D
a
16
mA
Circuit Sink
Current
POWER SUPPLY CHARACTERISTICS
I
D
a
Digital Supply
1 5
2 5
mA (max)
Current
CS e HIGH Powered Down CCLK on
600
m
A
CS e HIGH Powered Down CCLK off
20
m
A
I
A
a
Positive Analog
3 0
4 0
mA (max)
Supply Current
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
CS e HIGH Powered Down CCLK on
70
m
A
CS e HIGH Powered Down CCLK off
0 1
m
A
6