Datasheet

AD5235 Data Sheet
Rev. F | Page 12 of 32
FREQUENCY
(Hz)
02816-016
1k 10k 100k 1M
GAIN (dB)
3
–3
0
–6
–9
–12
V
DD
/V
SS
= ±2.5V
V
A
= 1V rms
D = MIDSCALE
f
–3dB
= 12kHz
R
AB
= 250kΩ
R
AB
= 25kΩ
f
–3dB
= 125kHz
Figure 17. −3 dB Bandwidth vs. Resistance (See Figure 33)
FREQUENCY (Hz)
02816-017
1k 10k 100k 1M
GAIN (dB)
0
–20
–10
–30
–40
–50
–60
CODE 0x200
0x100
0x080
0x040
0x020
0x010
0x008
0x004
0x002
0x001
Figure 18. Gain vs. Frequency vs. Code, R
AB
= 25 kΩ (See Figure 33)
FREQUENCY (Hz)
02816-018
1k 10k 100k 1M
0
–20
–10
–30
–40
–50
–60
GAIN (dB)
CODE 0x200
0x100
0x080
0x040
0x020
0x010
0x008
0x004
0x002
0x001
Figure 19. Gain vs. Frequency vs. Code, R
AB
= 250 kΩ (See Figure 33)
FREQUENCY (Hz)
10 100 1k 10k 100k 1M
PSRR (dB)
–80
–60
–70
–50
–40
–30
–20
–10
0
R
AB
= 250kΩ
V
DD
= 5V ± 10% AC
V
SS
= 0V, V
A
= 4V, V
B
= 0V
MEASURED AT V
W
WITH CODE = 0x200
T
A
= 25°C
R
AB
= 25kΩ
02816-019
Figure 20. PSRR vs. Frequency
02816-020
V
DD
= 5V
V
A
= 5V
V
B
= 0V
T
A
= 25°C
1V/DIV
10µs/DIV
V
DD
V
W
(FULL SCALE)
Figure 21. Power-On Reset
TIME (µs)
0 20 40 60 80 100 120
144
AMPLITUDE (V)
2.5196
2.484
2.488
2.492
2.496
2.500
2.504
2.508
2.512
2.516
2.4796
V
DD
= V
SS
= 5V
CODE = 0x200 TO 0x1FF
02816-021
Figure 22. Midscale Glitch Energy, R
AB
= 25 kΩ