Rainbow-electronics MAX1211 Manual do Utilizador descarregar pdf (Página 5)

MAX1211

65Msps, 12-Bit, IF Sampling ADC

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ELECTRICAL CHARACTERISTICS (continued)

= 3.3V, OV

= 2.0V, GND = 0, REFIN = REFOUT (internal reference), C

REFOUT

= 0.1µF, C

≈ 5pF at digital outputs, V

= -

0.5dBFS, CLKTYP = high, DCE = high, PD = low, G/T = low, f

CLK

= 65MHz (50% duty cycle), C

REFP

= C

REFN

= 0.1µF, 1µF in parallel with

10µF between REFP and REFN, C

COM

= 0.1µF in parallel with 2.2µF to GND, T

= -40°C to +85°C, unless otherwise noted. Typical values

are at T

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

DIGITAL OUTPUTS (D0–D11, DAV, DOR)

D0–D11, DOR, I

SINK

= 200µA 0.2

Output-Voltage Low V

DAV, I

SINK

= 600µA 0.2

D0–D11, DOR, I

SOURCE

= 200µA

- 0.2

Output-Voltage High V

DAV, I

SOURCE

= 600µA

- 0.2

Tri-State Leakage Current I

LEAK

(Note 4) ±5 µA

D11–D0, DOR Tri-State Output

Capacitance

OUT

(Note 4) 3 pF

DAV Tri-State Output

Capacitance

DAV

(Note 4) 6 pF

POWER REQUIREMENTS

Analog Supply Voltage V

3.0 3.3 3.6 V

Digital Output Supply Voltage OV

1.7 2.0

+ 0.3V

Normal operating mode,

= 175MHz at -0.5dBFS,

CLKTYP = GND, single-ended clock

Normal operating mode,

= 175MHz at -0.5dBFS,

CLKTYP = OV

, differential clock

103 115

Analog Supply Current I

VDD

Power-down mode; clock idle,

PD = OV

0.045

Normal operating mode,

= 175MHz at -0.5dBFS,

CLKTYP = GND, single-ended clock

314

Normal operating mode,

= 175MHz at -0.5dBFS,

CLKTYP = OV

, differential clock

340 379

Analog Power Dissipation P

DISS

Power-down mode, clock idle,

PD = OV

0.15

Normal operating mode,

= 175MHz at -0.5dBFS,

= 2.0V, C

≈ 5pF

9.2 mA

Digital Output Supply Current I

OVDD

Power-down mode; clock idle,

PD = OV

6µA

1 2 3 4 5 6 7 8 9 10 ... 29 30

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