AD5643R datasheet(16/32 Pages) AD

16 / 32 page

AD5623R/AD5643R/AD5663R

Data Sheet

Rev. G | Page 16 of 32

TEMPERATURE (°C)

0.30

0.05

0.10

0.15

0.20

0.25

–40

–20

100

TA = 25°C

VDD = VREFIN = 5V

VDD = VREFIN = 3V

Figure 34. Supply Current vs. Temperature

TIME BASE = 4µs/DIV

VDD = VREF = 5V

TA = 25°C

FULL-SCALE CODE CHANGE

0x0000 TO 0xFFFF

OUTPUT LOADED WITH 2k

Ω

AND 200pF TO GND

VOUT = 909mV/DIV

Figure 35. Full-Scale Settling Time, 5 V

CH1 2.0V

CH2 500mV

M100µs 125MS/s

A CH1

1.28V

8.0ns/pt

VDD = VREF = 5V

TA = 25°C

VOUT

VDD

MAX(C2)*

420.0mV

Figure 36. Power-On Reset to 0 V

VDD = 5V

SYNC

SLCK

VOUT

CH1 5.0V

CH3 5.0V

CH2 500mV

M400ns

A CH1

1.4V

Figure 37. Exiting Power-Down to Midscale

SAMPLE NUMBER

2.521

2.522

2.523

2.524

2.525

2.526

2.527

2.528

2.529

2.530

2.531

2.532

2.533

2.534

2.535

2.536

2.537

2.538

100

150

350

400

200

250

300

450

512

VDD = VREF = 5V

TA = 25°C

5ns/SAMPLE NUMBER

GLITCH IMPULSE = 9.494nV-sec

1LSB CHANGE AROUND

MIDSCALE (0x8000 TO 0x7FFF)

Figure 38. Digital-to-Analog Glitch Impulse (Negative)

SAMPLE NUMBER

2.491

2.492

2.493

2.494

2.495

2.496

2.497

2.498

100

150

350

400

200

250

300

450

512

VDD = VREF = 5V

TA = 25°C

5ns/SAMPLE NUMBER

ANALOG CROSSTALK = 0.424nV

Figure 39. Analog Crosstalk, External Reference

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