AD5590 datasheet(16/45 Pages) AD

16 / 45 page

AD5590

Rev. A | Page 15 of 44

CURRENT (mA)

0.50

0.40

–0.50

–0.40

–0.30

–0.20

–0.10

0.10

0.20

0.30

–10

–8

–6

–4

–2

610

DACVDD = 5V

VREFOUT = 2.5V

DAC LOADED WITH

ZERO-SCALE

SINKING CURRENT

DAC LOADED WITH

FULL-SCALE

SOURCING CURRENT

Figure 12. DAC Headroom at Rails vs. Source and Sink

CURRENT (mA)

–1

–30

–20

–10

DACVDD = 5V

VREFOUT = 2.5V

TA = 25°C

ZERO SCALE

FULL SCALE

MIDSCALE

1/4 SCALE

3/4 SCALE

Figure 13. DAC Sink and Source Capability

TIME BASE = 4µs/DIV

DACVDD = VREFA = 5V

TA = 25°C

FULL-SCALE CODE CHANGE

0x0000 TO 0xFFFF

OUTPUT LOADED WITH 2kΩ

AND 200pF TO GND

VOUT = 909mV/DIV

Figure 14. DAC Full-Scale Settling Time

CH1 2.0V

CH2 500mV

M100µs 125MS/s

A CH1

1.28V

8.0ns/pt

DACVDD = VREFA = 5V

TA = 25°C

VOUT

MAX(C2)*

420.0mV

DACVDD

Figure 15. DAC Power-On Reset to 0 V

DACVDD = 5V

DSYNC

DSCLK

VOUT

CH1 5.0V

CH3 5.0V

CH2 500mV

M400ns

A CH1

1.4V

Figure 16. DAC Exiting Power-Down to Midscale

SAMPLE

2.505

2.485

512

128

192

256

320

384

448

DACVDD = 5V

VREFOUT = 2.5V

TA = 25°C

4ns/SAMPLE NUMBER

GLITCH IMPULSE = 3.55nV-sec

1 LSB CHANGE AROUND

MIDSCALE (0x8000 TO 0x7FFF)

2.486

2.487

2.488

2.489

2.490

2.491

2.492

2.493

2.494

2.495

2.496

2.497

2.498

2.499

2.500

2.501

2.502

2.503

2.504

Figure 17. DAC Digital-to-Analog Glitch Impulse (Negative)

AD5590 Datasheet(PDF) 16 Page - Analog Devices

AD5590 Datasheet(HTML) 16 Page - Analog Devices

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