MAX126ACAX Просмотр технического описания (PDF) - Maxim Integrated

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MAX126ACAX

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

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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