2x4-Channel, Simultaneous-Sampling
12-Bit ADCs
MAX115/MAX116
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= +5V ±5%, AV
SS
= -5V ±5%, DV
DD
= +5V ±5%, V
REFIN
= +2.5V (external reference), AGND = DGND = 0, 4.7µF capacitor
from REFOUT to AGND, 0.1µF capacitor from REFIN to AGND, f
CLK
= 16MHz, external clock, 50% duty cycle. T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
ANALOG INPUT
Input Voltage Range
Input Current
Input Capacitance
TRACK/HOLD
Acquisition Time
Small-Signal Bandwidth
Full-Power Bandwidth
Drop Rate
Aperture Delay
Aperture Jitter
Aperture-Delay Matching
REFERENCE OUTPUT
(Note 7)
Output Voltage
External Load Regulation
REFOUT Tempco
External Capacitive Bypass
at REFIN
External Capacitive Bypass
at REFOUT
REFERENCE INPUT
Input Voltage Range
Input Current
Input Resistance (Note 9)
Input Capacitance
EXTERNAL CLOCK
External Clock Frequency
INTERNAL CLOCK
Internal Clock Frequency
DIGITAL INPUTS
(CONVST,
RD, WR, CS,
CLK, A0–A3) (Note 1)
Input High Voltage
Input Low Voltage
Input Current
Input Capacitance
V
IH
V
IL
I
IN
C
IN
CONVST, RD, WR, CS,
CLK
A0–A3
15
2.4
0.8
±1
±10
V
V
µA
pF
5.6
10
14.8
MHz
16
MHz
10
10
2.40
2.50
2.60
±50
V
µA
kΩ
pF
V
REFOUT
T
A
= +25°C
0 < I
REF
< 1mA
(Note 8)
0.1
4.7
22
2.462
2.5
0.5
30
2.532
V
mV/mA
ppm/°C
µF
µF
t
ACQ
600
10
1.3
2
10
30
500
ns
MHz
MHz
mV/ms
ns
ps
ps
V
IN
I
IN
C
IN
MAX115
MAX116
MAX115 (-5V to +5V range)
MAX116 (-2.5V to +2.5V range)
16
±5
±2.5
±625
±15
V
µA
pF
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
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