Rainbow-electronics MAXQ3120 Uživatelský manuál stáhnout pdf (Strana 5)

MAXQ3120

High-Precision ADC

Mixed-Signal Microcontroller

_____________________________________________________________________ 5

DIGITAL SUPPLY CURRENT

vs. CLOCK FREQUENCY

MAXQ3120 toc01

HFXIN

(MHz)

DD1

(mA)

76543

VDD

= +3.6V

= +85°C

= -40°C, +25°C

PORT PIN HIGH OUTPUT VOLTAGE

vs. SOURCE CURRENT

MAXQ3120 toc02

(mA)

(V)

8642

1.9

2.0

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

1.8

010

VDD

= 2.8V

= +85°C

= +25°C

= -40°C

PORT PIN LOW-OUTPUT VOLTAGE

vs. SINK CURRENT

MAXQ3120 toc03

(mA)

(V)

8642

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

010

VDD

= 2.8V

= +85°C

= +25°C

= -40°C

REFERENCE VOLTAGE OUTPUT

vs. LOAD CURRENT

MAXQ3120 toc04

REF

(

REF

(V)

500-50

1.25

1.26

1.27

1.28

1.29

1.24

-100 100

VDD

= 3.3V

= +25°C

= +85°C

= -40°C

SIGNAL-TO-NOISE RATIO

vs. INPUT FREQUENCY

MAXQ3120 toc05

INPUT FREQUENCY (kHz)

SNR (dB)

987654321

010

REF

= +1.25V

VDD

= 3.3V

= +25°C, +85°C

Typical Operating Characteristics

= +25°C, unless otherwise noted.)

1 2 3 4 5 6 7 8 9 10 ... 32 33

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