Power supply characteristics, Analog mux inputs characteristics – Rainbow Electronics ADC12048 User Manual
Page 4
Power Supply Characteristics
The following specifications apply to the ADC12048 for V
A
a
e
V
D
a
e
5V
V
REF
a
e
4 096V V
REF
b
e
0 0V 12-bit a sign conversion mode f
CLK
e
12 0 MHz R
S
e
25X source impedance for V
REF
a
and V
REF
b
s
1X fully differential input with fixed 2 048V common-mode voltage and minimum 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
Symbol
Parameter
Conditions
Typical
Limits
Unit
(Note 10)
(Note 11)
(Limit)
PSS
Power Supply Sensitivity
V
D
a
e
V
A
a
e
5 0V
g
10%
Zero Error
V
REF
a
e
4 096V
g
0 1
LSB
Full-Scale Error
V
REF
b
e
0V
g
0 5
LSB
Linearity Error
g
0 1
LSB
I
D
a
V
D
a
Digital Supply Current
Start Command (Performing a conversion) with
SYNC configured as an input and driven with a
214 kHz signal Bus width set to 13
f
CLK
e
12 0 MHz Reset Mode
850
m
A
f
CLK
e
12 0 MHz Conversion
2 45
2 8
mA (max)
I
A
a
V
A
a
Analog Supply Current
Start Command (Performing a conversion) with
SYNC configured as an input and driven with a
214 kHz signal Bus width set to 13
f
CLK
e
12 0 MHz Reset Mode
2 3
mA
f
CLK
e
12 0 MHz Conversion
2 3
4 0
mA (max)
I
ST
Standby Supply Current
Standby Mode
(I
D
a
a
I
A
a
)
f
CLK
e
Stopped
5
15
m
A (max)
f
CLK
e
12 0 MHz
100
120
m
A (max)
Analog MUX Inputs Characteristics
The following specifications apply to the ADC12048 for V
A
a
e
V
D
a
e
5V V
REF
a
e
4 096V V
REF
b
e
0 0V 12-Bit a sign conversion mode f
CLK
e
12 0 MHz R
S
e
25X source
impedance for V
REF
a
and V
REF
a
s
1X fully differential input with fixed 2 048V common-mode voltage and minimum acquisi-
tion 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
Symbol
Parameter
Conditions
Typical
Limits
Unit
(Note 10)
(Note 11)
(Limit)
I
ON
MUX ON Channel Leakage
ON Channel e 5V OFF Channel e 0V
0 05
1 0
m
A (min)
Current
ON Channel e 0V OFF Channel e 5V
b
0 05
b
1 0
m
A (max)
I
OFF
MUX OFF Channel Leakage
ON Channel e 5V OFF Channel e 0V
0 05
1 0
m
A (min)
Current
ON Channel e 0V OFF Channel e 5V
b
0 05
b
1 0
m
A (max)
I
ADCIN
ADCIN Input Leakage Current
0 05
2 0
m
A (max)
R
ON
MUX On Resistance
V
IN
e
2 5V
310
500
X
(max)
MUX Channel-to-Channel
V
IN
e
2 5V
g
20%
X
R
ON
Matching
C
MUX
MUX Channel and COM Input
10
pF
Capacitance
C
ADC
ADCIN Input Capacitance
70
pF
C
MUXOUT
MUX Output Capacitance
20
pF
4