Rainbow-electronics MAX1326 Manual do Utilizador descarregar pdf (Página 3)

MAX1316–MAX1318/MAX1320–MAX1322/MAX1324–MAX1326

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

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

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(AV

= +5V, DV

= +3V, AGND = DGND = 0V, V

REF

= V

REFMS

= +2.5V (external reference), C

REF

= C

REFMS

= 0.1µF, C

REF+

REF-

= 0.1µF, C

REF+-to-REF-

= 2.2µF || 0.1µF, C

COM

= 2.2µF || 0.1µF, C

MSV

= 2.2µF || 0.1µF (unipolar devices, MAX1316/

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

CLK

= 10MHz,

50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical val-

ues are at T

= +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

= +5V 0.54 0.72

MAX1316/MAX1317/MAX1318

= 0V

-0.157 -0.12

= +5V 0.29 0.39

MAX1320/MAX1321/MAX1322

= -5V

-1.16 -0.87

= +10V 0.56 0.74

Input Current (Note 4)

MAX1324/MAX1325/MAX1326

= -10V -1.13 -0.85

MAX1316/MAX1317/MAX1318

7.58

MAX1320/MAX1321/MAX1322

8.66

Input Resistance (Note 4)

MAX1324/MAX1325/MAX1326

14.26

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 = AV

)

526

Two channels (INTCLK/EXTCLK = AV

)

455

Four channels (INTCLK/EXTCLK = AV

)

357

Internal-Clock Throughput Rate

(Note 5)

Eight channels (INTCLK/EXTCLK = AV

)

250

ksps

Small-Signal Bandwidth 10

MHz

Full-Power Bandwidth 10

MHz

Aperture Delay 16 ns

Aperture Jitter 50

RMS

Aperture-Delay Matching

100

INTERNAL REFERENCE

REF

Voltage

REFMS

2.475 2.500 2.525

REF Voltage V

REF

2.475 2.500 2.525

REF Temperature Coefficient 30

ppm/°C

EXTERNAL REFERENCE (REF

AND REF EXTERNALLY DRIVEN)

Input Current

-250 +250

µA

REF

Input Voltage Range

REFMS

Unipolar devices 2.0 2.5 3.0 V

REF Voltage Input Range V

REF

2.0 2.5 3.0 V

REF Input Capacitance 15 pF

REF

Input Capacitance 15 pF

DIGITAL INPUTS (D0–D7, RD, WR, CS, CLK, SHDN, ALLON, CONVST)

Input-Voltage High V

0.7 x

1 2 3 4 5 6 7 8 ... 26 27

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