AD7305BR(RevA) Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге

Компоненты Описание

производитель

AD7305BR
(Rev.:RevA)

+3 V/+5 V, Rail-to-Rail Quad, 8-Bit DAC

Analog Devices 

1

A

VDD = +5V

VSS = –5V

0.1

0.010

0.001

20

100

1k

10k

FREQUENCY – Hz

100k

Figure 18. THD vs. Frequency

3.0

VDD = +5V

VSS = –5V

2.4

VREF = 4V

DATA = FFH

1.8

1.2

0.6

0

1

10

100

1k

10k

100k

FREQUENCY – Hz

Figure 19. Output Noise Voltage Density vs. Frequency

VOUTB

CLK

VDD = +5V

VSS = –5V

VREF = 2.5V

DAC A = FFH

DAC B = OOH

F = 2MHz

50ns/DIV

Figure 20. Digital Feedthrough

AD7304/AD7305

VOUT

VDD = +5V

VSS = –5V

VREF = 2.5V

F = 1MHz

DATA = 80H 7FH

CS

Figure 21. Midscale Transition Glitch

40

20 VDD = +5V

VSS = –5V

0 VREF = 50mV rms

DAC A DATA = FFH

–20 DAC B, C, D DATA = 00H

–40

–60

–80

–100

–120

–140

V

OUTB

CT = 20 LOG

V

REF

–160

100

1k

10k

100k

1M

10M

FREQUENCY – Hz

Figure 22. Crosstalk vs. Frequency

60

–PSRR, VSS = –5V ؎ ⌬10%

50

+PSRR, VDD = +5V ؎ ⌬10%

40

–PSRR, VSS = –3V ؎ ⌬10%

30 +PSRR, VDD = +3V ؎ ⌬10%

20

10

0

10

DATA = 80H

TA = +25؇C

100

1k

10k

FREQUENCY – Hz

100k

Figure 23. Power Supply Rejection vs. Frequency

REV. A

–9–

Share Link: