MAX1321ECM datasheet(3/27 Pages) MAXIM

Part #	MAX1321ECM

Description	8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V, and 0 to 5V Analog Input Ranges

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Manufacturer	MAXIM [Maxim Integrated Products]

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8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs

with ±10V, ±5V, and 0 to +5V Analog Input Ranges

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VAVDD = +5V, VDVDD = +3V, VAGND = VDGND = 0, VREF = VREFMS = +2.5V (external reference), CREF = CREFMS = 0.1µF, CREF+ =

CREF- = 0.1µF, CREF+-to-REF- = 2.2µF || 0.1µF, CCOM = 2.2µF || 0.1µF, CMSV = 2.2µF || 0.1µF (unipolar devices, MAX1316/

MAX1317/MAX1318), MSV = AGND (bipolar devices, MAX1320/MAX1321/MAX1322/MAX1324/MAX1325/MAX1326), fCLK = 10MHz,

50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, TA = TMIN to TMAX, unless otherwise noted. Typical val-

ues are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

VIN = +5V

0.54

0.72

MAX1316/MAX1317/MAX1318

VIN = 0V

-0.157

-0.12

VIN = +5V

0.29

0.39

MAX1320/MAX1321/MAX1322

VIN = -5V

-1.16

-0.87

VIN = +10V

0.56

0.74

Input Current (Note 4)

MAX1324/MAX1325/MAX1326

VIN = -10V

-1.13

-0.85

mA

MAX1316/MAX1317/MAX1318

7.58

MAX1320/MAX1321/MAX1322

8.66

Input Resistance (Note 4)

MAX1324/MAX1325/MAX1326

14.26

k

Ω

Input Capacitance

15

pF

TRACK/HOLD

One channel

526

Two channels

455

Four channels

357

External-Clock Throughput Rate

(Note 5)

Eight channels

250

ksps

One channel (INTCLK/EXTCLK = AVDD)

526

Two channels (INTCLK/EXTCLK = AVDD)

455

Four channels (INTCLK/EXTCLK = AVDD)

357

Internal-Clock Throughput Rate

(Note 5)

Eight channels (INTCLK/EXTCLK = AVDD)

250

ksps

Small-Signal Bandwidth

10

MHz

Full-Power Bandwidth

10

MHz

Aperture Delay

16

ns

Aperture Jitter

50

psRMS

Aperture-Delay Matching

100

ps

INTERNAL REFERENCE

REFMS Voltage

VREFMS

2.475

2.500

2.525

V

REF Voltage

VREF

2.475

2.500

2.525

V

REF Temperature Coefficient

30

ppm/

°C

EXTERNAL REFERENCE (REFMS AND REF EXTERNALLY DRIVEN)

Input Current

-250

+250

µA

REFMS Input Voltage Range

VREFMS

Unipolar devices

2.0

2.5

3.0

V

REF Voltage Input Range

VREF

2.0

2.5

3.0

V

REF Input Capacitance

15

pF

REFMS Input Capacitance

15

pF

DIGITAL INPUTS (D0–D7,

RD, WR, CS, CLK, SHDN, ALLON, CONVST)

Input-Voltage High

VIH

0.7 x

DVDD

V

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