AD5227 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Lista de partido

AD5227

64-Position Up/Down Control Digital Potentiometer

Analog Devices 

REF LEVEL /DIV

0dB

6.0dB

6

0

32 STEPS

–6

16 STEPS

–12

8 STEPS

–18

4 STEPS

–24

2 STEPS

–30

1 STEP

–36

–42

–48

–54

1k

10k

START 1 000.000Hz

MARKER 100 885.289Hz

MAG (A/R) –9.060dB

TA = 25°C

VDD = 5.5V

VA = 50mV rms

100k

1M

STOP 1 000 000.000Hz

Figure 18. Gain vs. Frequency vs. Code, RAB = 50 kΩ

REF LEVEL /DIV

0dB

6.0dB

6

0

–6

–12

–18

–24

–30

–36

32 STEPS

16 STEPS

8 STEPS

4 STEPS

2 STEPS

1 STEP

MARKER 52 246.435Hz

MAG (A/R) –9.139dB

TA = 25°C

VDD = 5.5V

VA = 50mV rms

–42

–48

–54

1k

10k

START 1 000.000Hz

100k

1M

STOP 1 000 000.000Hz

Figure 19. Gain vs. Frequency vs. Code, RAB = 100 kΩ

0

STEP = MIDSCALE, VA = VDD, VB = 0V

–20

VDD = 3V DC ±10% p-p AC

–40

–60

100

VDD = 5V DC ±10% p-p AC

1k

10k

100k

1M

FREQUENCY (Hz)

Figure 20. PSRR

AD5227

200

150

100

VDD = 5V

50

VDD = 3V

0

10k

100k

1M

10M

FREQUENCY (Hz)

Figure 21. IDD vs. CLK Frequency

1.2

A = OPEN

TA = 25°C

1.0

RAB = 10kΩ

0.8

0.6

0.4

RAB = 50kΩ

0.2

RAB = 100kΩ

0

0

8

16

24

32

40

48

56

64

CODE (Decimal)

Figure 22. Maximum IWB vs. Code

VB = 0V

VA

1

STEP N

2

STEP N+1

VW

VDD = 5V

VA = 5V

VB = 0V

CH1 2.00V CH2 50.0mV

M 400ns

A CH2 60.0mV

T 0.00000s

Figure 23. Step Change Settling Time

Rev. B | Page 9 of 16

Share Link: