ADC122S101
ADC122S101 Converter Electrical Characteristics
The following specifications apply for V
A
= +2.7 V to 5.25 V, GND = 0V, f
SCLK
= 8 MHz to 16 MHz, f
SAMPLE
= 500 kSPS to 1
MSPS, C
L
= 35 pF unless otherwise noted.
Boldface limits apply for T
A
= T
MIN
to T
MAX
: all other limits T
A
= 25˚C.
Parameter
Conditions
Typical
Limits
Units
Symbol
ANALOG INPUT CHARACTERISTICS
V
IN
I
DCL
C
INA
Input Range
DC Leakage Current
Input Capacitance
Track Mode
Hold Mode
V
A
= +5.25V
V
A
= +3.6V
V
IN
= 0V or V
IN
= V
A
0 to V
A
V
±
0.02
33
3
±
1
µA (max)
pF
pF
DIGITAL INPUT CHARACTERISTICS
V
IH
V
IL
I
IN
C
IND
Input High Voltage
Input Low Voltage
Input Current
Digital Input Capacitance
I
SOURCE
= 200 µA
I
SOURCE
= 1 mA
I
SINK
= 200 µA
I
SINK
= 1 mA
2.4
2.1
0.8
V (min)
V (min)
V (max)
µA (max)
pF (max)
V (min)
V
0.4
V (max)
V
±
0.1
2
V
A
− 0.03
V
A
− 0.1
0.02
0.1
±
10
4
V
A
− 0.5
DIGITAL OUTPUT CHARACTERISTICS
V
OH
V
OL
I
OZH
,
I
OZL
C
OUT
Output High Voltage
Output Low Voltage
TRI-STATE
®
Leakage Current
TRI-STATE
®
Output Capacitance
Output Coding
POWER SUPPLY CHARACTERISTICS (C
L
= 10 pF)
V
A
Analog Supply Voltage
V
A
= +5.25V
f
SAMPLE
= 1 MSPS, f
IN
= 40.3 kHz
V
A
= +3.6V,
f
SAMPLE
= 1 MSPS, f
IN
= 40.3 kHz
V
A
= +5.25V
f
SAMPLE
= 0 kSPS
V
A
= +3.6V,
f
SAMPLE
= 0 kSPS
V
A
= +5.25V
V
A
= +3.6V
V
A
= +5.25V
V
A
= +3.6V
2.5
1.2
60
38
13.1
4.3
0.32
0.14
8
16
500
1
13
f
SCLK
= 16 MHz
Full-Scale Step Input
Acquisition Time + Conversion Time
50
30
70
3
16
15.8
5.8
2.7
5.25
3.0
1.6
V (min)
V (max)
mA (max)
mA (max)
nA
nA
mW (max)
mW (max)
µW
µW
MHz (min)
MHz (max)
kSPS (min)
MSPS (max)
SCLK cycles
% (min)
% (max)
SCLK cycles
SCLK cycles
±
0.01
2
±
1
4
µA (max)
pF (max)
Straight (Natural) Binary
Supply Current, Normal Mode
(Operational, CS low)
I
A
Supply Current, Shutdown (CS high)
P
D
Power Consumption, Normal Mode
(Operational, CS low)
Power Consumption, Shutdown (CS
high)
AC ELECTRICAL CHARACTERISTICS
f
SCLK
f
S
t
CONV
DC
t
ACQ
Maximum Clock Frequency
Sample Rate
Conversion Time
SCLK Duty Cycle
Track/Hold Acquisition Time
Throughput Time
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