Rainbow-electronics MAX1211 Bedienungsanleitung PDF herunterladen (Seite 6)

MAX1211

65Msps, 12-Bit, IF Sampling ADC

6 _______________________________________________________________________________________

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

TIMING CHARACTERISTICS (Figure 5)

Clock Pulse-Width High t

7.7 ns

Clock Pulse-Width Low t

7.7 ns

Data Valid Delay t

DAV

= 5pF (Note 5) 6.4 ns

Data Setup Time Before Rising

Edge of DAV

SETUP

= 5pF (Notes 3, 5) 8.5 ns

Data Hold Time After Rising Edge

of DAV

HOLD

= 5pF (Notes 3, 5) 6.3 ns

Wake-Up Time from Power-Down

WAKE

REFIN

= 2.048V 10 ms

Note 1: Specifications ≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization.

Note 2: Specifications guaranteed by design and characterization. Devices tested for performance during production test.

Note 3: Guaranteed by design and characterization.

Note 4: During power-down, D11–D0, DOR, and DAV are high impedance.

Note 5: Digital outputs settle to V

or V

1 2 3 4 5 6 7 8 9 10 11 ... 29 30

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