Rainbow-electronics MAX1426 Manual do Utilizador descarregar pdf (Página 4)

MAX1426

10-Bit, 10Msps ADC

4 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

= V

CMLP

= +5V, V

= +3.3V, V

CMLN

= V

AGND

= V

DGND

= 0, internal reference, digital output loading 35pF, f

CLK

10MHz (50% duty cycle), T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

= +25°C.)

(Note 1)

3.25

REFP

Positive Reference

(Note 1) V

2.25

CML

Common-Mode Reference

Voltage

OE/PD = DV

= 5.25V, OE/PD = DV

= 200µA, V

= 2.7V

= -200µA, V

= 2.7V

REFP

- V

REFN

= +25°C

< 4.75V

> 4.75V

OE/PD = DV

= 5.0V

REFIN = AGND

OE/PD = DV

< 4.75V

= 3.3V

> 4.75V

CONDITIONS

pFThree-State Capacitance

µAThree-State Leakage

Output Logic Low

Output Logic High

pFInput Capacitance

0.3 ×

0.8

Input Logic Low

0.7 ×

2.4

Input Logic High

ppm/°C

±150

Differential Reference

Temperature Coefficient

1.8 2 2.2

Differential Reference

156 210

PDPower Dissipation

µA

40 150

Digital Shutdown Current

5.3 8

25 35

Analog Supply Current with

Internal Reference in Shutdown

0.6 1

Analog Shutdown Current

3.3 6

Digital Supply Current

UNITSMIN TYP MAXSYMBOL PARAMETER

2.7 3.3 5.5

Digital Supply Voltage

4.75 5.00 5.25

Analog Supply Voltage

29 38

Analog Supply Current

(Note 1) V

1.25

REFN

Negative Reference

= 5.25V

µA-20 20

µA-10 10

Input Current Leakage

- 0.5

0.5

-10 10

CLK

OE/PD

REFERENCE OUTPUT (REFP, CML, REFN; internal +2.5V reference)

POWER SUPPLY

DIGITAL INPUTS (CLK, OE/PD)

DIGITAL OUTPUTS (D0–D9)

1 2 3 4 5 6 7 8 9 ... 15 16

10-Bit, 10Msps ADC 1

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