MAX126ACAX 데이터 시트보기 (PDF) - Maxim Integrated
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MAX126ACAX Datasheet PDF : 16 Pages
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2x4-Channel, Simultaneous-Sampling
14-Bit DAS
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = +5V ±5%, AVSS = -5V ±5%, DVDD = +5V ±5%, VREFIN = 2.5V, AGND = DGND = 0V, 4.7µF capacitor from REFOUT to
AGND, 0.1µF capacitor from REFIN to AGND, fCLK = 16MHz, external clock, 50% duty cycle, TA = TMIN to TMAX, unless otherwise
noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
ANALOG INPUT
Input Voltage Range
Input Current
Input Capacitance
TRACK/HOLD
MAX125
VIN
MAX126
IIN
MAX125, VIN = ±5V
MAX126, VIN = ±2.5V
CIN
(Note 7)
±5
V
±2.5
±667 µA
µA
16
pF
Acquisition Time
Small-Signal Bandwidth
tACQ
1
8
µs
MHz
Full-Power Bandwidth
0.5
MHz
Droop Rate
2
mV/ms
Aperture Delay
5
ns
Aperture Jitter
Aperture-Delay Matching
30
psRMS
500
ps
REFERENCE OUTPUT (Note 8)
Output Voltage
External Load Regulation
REFOUT Tempco
VREFOUT
TA = +25°C
0mA < ILOAD < 1mA
(Note 9)
2.475
2.500
±1
30
2.525
V
%
ppm/°C
External Capacitive
Bypass at REFIN
0.1
µF
External Capacitive
Bypass at REFOUT
REFERENCE INPUT
Input Voltage Range
Input Current
Input Resistance
Input Capacitance
REFIN = 2.5V
(Note 10)
(Note 7)
EXTERNAL CLOCK
External Clock Frequency
DIGITAL INPUTS (CONVST, RD, WR, CS, CLK, A0–A3) (Note 1)
Input High Voltage
VIH
Input Low Voltage
Input Current
VIL
CONVST, RD, WR, CS, CLK
IIN
A0–A3
Input Capacitance
CIN
(Note 7)
4.7
22
µF
2.50 ±10%
V
±10
µA
10
kΩ
10
pF
0.1
16
MHz
2.4
V
0.8
V
±1
µA
±10
15
pF
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