AD5235BRU25 Analog Devices Inc, AD5235BRU25 Datasheet - Page 12

• Manufacturer Part Number: AD5235BRU25
• Description: IC POT DUAL 25K 1024POS 16-TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5235BRU25

• Rohs Status: RoHS non-compliant
• Taps: 1024
• Resistance (ohms): 25K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: 4-Wire SPI Serial
• Voltage - Supply: 3 V ~ 5.5 V, ±2.25 V ~ 2.75 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Resistance In Ohms: 25K
• End To End Resistance: 25kohm
• Track Taper: Logarithmic
• Resistance Tolerance: ± 30%
• No. Of Steps: 1024
• Supply Voltage Range: 3V To 5.5V, ± 2.25V To ± 2.75V
• Control Interface: Serial, SPI
• For Use With: EVAL-AD5235EBZ - BOARD EVALUATION FOR AD5235
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD5235
Figure 19. Gain vs. Frequency vs. Code, R
Figure 18. Gain vs. Frequency vs. Code, R
–12
–10
–20
–30
–40
–50
–60
–10
–20
–30
–40
–50
–60
–3
–6
–9
Figure 17. −3 dB Bandwidth vs. Resistance (See Figure 33)
3
0
0
0
1k
1k
1k
CODE 0x200
V
V
D = MIDSCALE
CODE 0x200
DD
A
0x100
0x080
0x040
0x020
0x010
0x008
0x004
0x002
0x001
0x100
0x080
0x040
0x020
0x010
0x008
0x004
0x002
0x001
= 1V rms
/V
SS
= ±2.5V
f
–3dB
= 12kHz
10k
10k
10k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
R
AB
=
250kΩ
f
–3dB
AB
AB
= 250 kΩ (See Figure 33)
100k
R
100k
= 25 kΩ (See Figure 33)
100k
= 125kHz
AB
=
25kΩ
1M
1M
1M
Rev. D | Page 12 of 32
2.5196
2.4796
2.516
2.512
2.508
2.504
2.500
2.496
2.492
2.488
2.484
–10
–20
–30
–40
–50
–60
–70
–80
0
10
0
V
V
MEASURED AT
T
A
DD
SS
= 25°C
Figure 22. Midscale Glitch Energy, R
= 0V, V
= 5V ± 10% AC
20
V
100
10µs/DIV
W
A
Figure 20. PSRR vs. Frequency
R
= 4V, V
(FULL SCALE)
Figure 21. Power-On Reset,
AB
40
V
V
=
DD
W
250kΩ
WITH CODE = 0x200
B
= 0V
FREQUENCY (Hz)
1k
60
TIME (µs)
80
10k
R
V
CODE = 0x200 TO 0x1FF
AB
DD
=
100
= V
25kΩ
AB
SS
= 25 kΩ
= 5V
100k
V
V
V
T
1V/DIV
DD
A
B
A
120
= 25°C
= 5V
= 0V
= 5V
144
1M