AD5232BRUZ10-REEL7 Datasheet, PDF (11/24 Pages) Analog Devices – Nonvolatile Memory,Dual 256-Position Digital Potentiometer

Data Sheet
0
0x80
–6
0x40
–12
–18
0x20
0x10
–24
0x08
–30
0x04
–36
0x02
–42
0x01
–48
V_DD = +2.7V
V_A
–54
V_SS = –2.7V
V_A = 100mV rms
–60 ^{TA = 25°C}
1k
10k
R_AB = 10kΩ
100k
1M
FREQUENCY (Hz)
Figure 17. Gain vs. Frequency vs. Code, RAB = 10 kΩ
0
0x80
–6
0x40
–12
0x20
–18
0x10
–24
0x08
–30
0x04
–36
0x02
–42
–48
V_DD = +2.7V
–54
V_SS = –2.7V
V_A = 100mV rms
–60 ^{TA = 25°C}
1k
0x01
V_A
10k
R_AB = 50kΩ
100k
1M
FREQUENCY (Hz)
Figure 18. Gain vs. Frequency vs. Code, RAB = 50 kΩ
0
–6
0x80
–12
0x40
0x20
–18
0x10
–24
0x08
–30
0x04
–36
0x02
–42
–48
V_DD = +2.7V
–54 ^VSS ^{= –2.7V}
V_A = 100mV rms
–60 ^{TA = 25°C}
1k
0x01
V_A
10k
R_AB = 100kΩ
100k
1M
FREQUENCY (Hz)
Figure 19. Gain vs. Frequency vs. Code, RAB = 100 kΩ
AD5232
80
R_AB = 100kΩ
R_AB = 50kΩ
60
R_AB = 10kΩ
40
V_DD = 5.5V ± 100mV AC
20 V_SS = 0V
V_B = 5V
V_A = 0V
MEASURE AT V_W WITH CODE = 0x80
T_A = 25°C
0
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 20. PSRR vs. Frequency
120
100
80
R_AB = 10kΩ
R_AB = 100kΩ
60
R_AB = 50kΩ
40 ^{VDD = VA2 = +2.75V}
V_SS = V_B2 = –2.75V
V_IN = +5V _P-P
T_A = 25°C
20
1
10
100
FREQUENCY (kHz)
Figure 21. Analog Crosstalk vs. Frequency (See Figure 31)
Rev. C | Page 11 of 24