Datasheet

MAX115/MAX116
2x4-Channel, Simultaneous-Sampling
12-Bit ADCs
_______________________________________________________________________________________ 3
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.)
CONDITIONS UNITSMIN TYP MAXSYMBOLPARAMETER
MAX115
V
±5
V
IN
Input Voltage Range
MAX115 (-5V to +5V range)
µA
±625
I
IN
Input Current
pF16C
IN
Input Capacitance
ns600t
ACQ
Acquisition Time
MHz10Small-Signal Bandwidth
MHz1.3Full-Power Bandwidth
mV/ms2Drop Rate
ns10Aperture Delay
ps30Aperture Jitter
ps500Aperture-Delay Matching
T
A
= +25°C V2.462 2.5 2.532V
REFOUT
Output Voltage
0 < I
REF
< 1mA mV/mA0.5External Load Regulation
(Note 8) ppm/°C30REFOUT Tempco
µF0.1
External Capacitive Bypass
at REFIN
V2.40 2.50 2.60Input Voltage Range
µF4.7 22
External Capacitive Bypass
at REFOUT
µA±50Input Current
kΩ10Input Resistance (Note 9)
pF10Input Capacitance
MHz16External Clock Frequency
V2.4V
IH
Input High Voltage
V0.8V
IL
Input Low Voltage
CONVST, RD, WR, CS, CLK
±1
pF15C
IN
Input Capacitance
A0–A3
µA
±10
I
IN
Input Current
MAX116 ±2.5
MAX116 (-2.5V to +2.5V range) ±15
MHz5.6 10 14.8Internal Clock Frequency
ANALOG INPUT
TRACK/HOLD
REFERENCE OUTPUT (Note 7)
REFERENCE INPUT
EXTERNAL CLOCK
DIGITAL INPUTS (CONVST, RD, WR, CS, CLK, A0–A3) (Note 1)
INTERNAL CLOCK