Datasheet

AD5232 Data Sheet
Rev. C | Page 10 of 24
4
2
0
–50 –35 –20 –5 10
TEMPERATURE (°C)
25 40 55 70 85
I
DD
(µA)
02618-011
V
DD
= 5.5V
V
DD
= 2.7V
Figure 11. I
DD
vs. Temperature
02618-012
CH1 5.00V
CH2 5.00V
CH3 5.00V CH4 10.00V
M 2.00ms
CS
CLK
SDI
I
DD
2mA/DIV
1
4
3
2
T
Figure 12. I
DD
vs. Time (Save) Program Mode
02618-013
CH1 5.00V
CH2 5.00V
CH3 5.00V CH4 10.00V
M 2.00ms
CS
CLK
SDI
1
4
3
2
T
*
SUPPLY CURRENT RETURNS TO MINIMUM POWER CONSUMPTION
IF COMMAND INSTRUCTION 0 (NOP) IS EXECUTED IMMEDIATELY
AFTER COMMAND INSTRUCTION 1 (READ EEMEM).
I
DD
*
2mA/DIV
Figure 13. I
DD
vs. Time Read Mode
12
6
0
–6
–12
–18
–24
–30
–36
–42
1k 10k 100k 1M
FREQUENCY (Hz)
GAIN (dB)
02618-014
V
IN
= 100mV rms
V
DD
= +2.5V
V
SS
= –2.5V
R
L
= 1MΩ
T
A
= +25°C
f
–3dB
= 500kHz, R = 10kΩ
f
–3dB
= 45kHz, R = 100kΩ
f
–3dB
= 95kHz, R = 50kΩ
Figure 14. −3 dB Bandwidth vs. Resistance
10
1
0.1
0.01
0.001
10 100 1k 10k 100k
FREQUENCY (Hz)
THD + NOISE (%)
02618-015
V
DD
= 5V
T
A
= 25°C
FILTER = 22kHz
R
AB
= 10kΩ
R
AB
= 50kΩ, 100kΩ
Figure 15. Total Harmonic Distortion + Noise vs. Frequency
70
80
90
100
110
60
50
40
30
20
10
0
0 32 64 96 128 160 192 224 256
CODE (Decimal)
R
W
(Ω)
02618-016
V
DD
= 2.7V
T
A
= 25°C
Figure 16. Wiper On Resistance vs. Code