MAX125CCAX(2008) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX125CCAX
(Rev.:2008)

2x4-Channel, Simultaneous-Sampling 14-Bit DAS

Maxim Integrated 

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

MAX125

VIN

MAX126

±5

V

±2.5

Input Current

IIN

MAX125, VIN = ±5V

MAX126, VIN = ±2.5V

±667 µA

µA

Input Capacitance

CIN

(Note 7)

16

pF

TRACK/HOLD

Acquisition Time

tACQ

1

µs

Small-Signal Bandwidth

8

MHz

Full-Power Bandwidth

0.5

MHz

Droop Rate

2

mV/ms

Aperture Delay

5

ns

Aperture Jitter

30

psRMS

Aperture-Delay Matching

500

ps

REFERENCE OUTPUT (Note 8)

Output Voltage

VREFOUT TA = +25°C

2.475 2.500 2.525

V

External Load Regulation

0mA < ILOAD < 1mA

±1

%

REFOUT Tempco

(Note 9)

30

ppm/°C

External Capacitive

Bypass at REFIN

0.1

µF

External Capacitive

Bypass at REFOUT

4.7

22

µF

REFERENCE INPUT

Input Voltage Range

Input Current

REFIN = 2.5V

Input Resistance

(Note 10)

Input Capacitance

(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)

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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