MAX154 datasheet(4/12 Pages) MAXIM

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CMOS High-Speed 8-Bit ADCs with

Multiplexer and Reference

_______________________________________________________________________________________

__________________________________________Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

2.520

2.480

-50

150

REFERENCE TEMPERATURE DRIFT

2.490

2.510

AMBIENT TEMPERATURE (°C)

2.500

100

050

-100

150

OUTPUT CURRENT

vs. TEMPERATURE

AMBIENT TEMPERATURE (°C)

100

-50

VDD = 5V

ISOURCE VOUT = 2.4V

ISINK VOUT = 0.4V

2.0

300

900

ACCURACY

vs. DELAY BETWEEN CONVERSIONS (tp)

0.5

1.0

1.5

tp (ns)

700

800

400

500

600

VDD = 5V

VREF = 5V

2.0

ACCURACY vs. VREF

[VREF = VREF(+) - VREF(-)]

0.5

1.0

1.5

VREF (V)

VDD = 5V

100pF

DGND

DBN

a. High-Z to VOH

b. High-Z to VOL

DBN

+5V

DGND

10pF

100pF

DGND

DBN

a. High-Z to VOH

b. High-Z to VOL

DBN

+5V

DGND

10pF

-100

150

POWER-SUPPLY CURRENT vs. TEMPERATURE

(NOT INCLUDING REFERENCE LADDER)

AMBIENT TEMPERATURE (°C)

100

-50

VDD = 5.25V

VDD = 5V

VDD = 4.75V

Figure 1. Load Circuits for Data-Access Time Test

Figure 2. Load Circuits for Data-Hold Time Test

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