AD5678BRUZ-1(RevA) Просмотр технического описания (PDF) - Analog Devices

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AD5678BRUZ-1
(Rev.:RevA)

4 × 12-Bit and 4 × 16-Bit Octal DAC with On-Chip Reference in 14-Lead TSSOP

Analog Devices 

800

TA = 25°C

700 MIDSCALE LOADED

600

500

400

300

VDD = 5V

200

VREFOUT = 2.5V

100 VDD = 3V

VREFOUT = 1.25V

0

100

1000

10000

100000

FREQUENCY (Hz)

1000000

Figure 40. Noise Spectral Density, Internal Reference

–20

VDD = 5V

–30 TA = 25°C

DAC LOADED WITH FULL SCALE

VREF = 2V ± 0.3V p-p

–40

–50

–60

–70

–80

–90

–100

2k

4k

6k

8k

10k

FREQUENCY (Hz)

Figure 41. Total Harmonic Distortion

16

VREF = VDD

TA = 25°C

14

12

VDD = 3V

10

8

VDD = 5V

6

4

0 1 2 3 4 5 6 7 8 9 10

CAPACITANCE (nF)

Figure 42. Settling Time vs. Capacitive Load

AD5678

3

VOUT F

CLR

VOUT B

4

2

CH2 1.0V

CH3 5.0V CH4 1.0V

M200ns A CH3

Figure 43. Hardware CLR

1.10V

5

0

–5

–10

–15

–20

–25

–30

–35

–40

10k

VDD = 5V

TA = 25°C

100k

1M

10M

FREQUENCY (Hz)

Figure 44. Multiplying Bandwidth

Rev. A | Page 17 of 28

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