Rainbow-electronics MAX1425 Bedienungsanleitung PDF herunterladen (Seite 4)

MAX1425

10-Bit, 20Msps ADC

4 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

= V

CMLP

= +5V, V

= +3.3V, V

CMLN

= V

AGND

= V

DGND

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

CLK

= 20MHz

(50% duty cycle), T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

= +25°C.)

OE/PD

OE/PD = DV

= 5.25V, OE/PD = DV

= 200µA, V

= 2.7V

= -200µA, V

= 2.7V

= 5.25V

< 4.75V

> 4.75V

OE/PD = DV

= 5.0V

REFIN = AGND

OE/PD = DV

< 4.75V

= 3.3V

> 4.75V

CONDITIONS

pF10Three-State Capacitance

µA-10 10Three-State Leakage

V0.5VOLOutput Logic Low

- 0.5

VOHOutput Logic High

pF10Input Capacitance

µA-20 20

µA-10 10

Input Current Leakage

0.3 ·

0.8

Input Logic Low

0.7 ·

2.4

Input Logic High

172 220

PDPower Dissipation

µA

90 150

Digital Shutdown Current

8.5 14

26 35

Analog Supply Current with

Internal Reference in Shutdown

0.6 1

Analog Shutdown Current

5.3 9

Digital Supply Current

UNITSMIN TYP MAXSYMBOL PARAMETER

Figure 4

ps7t

Aperture Jitter

ns5t

Aperture Delay

cycles5.5Pipeline Delay (Latency)

ns20 25 30t

Clock Low

ns20 25 30t

Clock High

MHz20f

CLK

Clock Frequency

MHz0.1 20CONVConversion Rate

2.7 3.3 5.5

Digital Supply Voltage

4.75 5.00 5.25

Analog Supply Voltage

31 38

Analog Supply Current

CLK

ns10 20t

Bus Disable

ns10 20t

Bus Enable

ns52025t

Data Output Delay

POWER SUPPLY

DIGITAL INPUTS (CLK, OE/PD)

DIGITAL OUTPUTS (D0–D9)

TIMING CHARACTERISTICS

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

10-Bit, 20Msps ADC 1

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