Datasheet

AD7304/AD7305
Rev. C | Page 13 of 20
DIGITAL INPUT VOLTAGE (V)
12
10
0
051
SUPPLY CURRENT (mA)
234
8
6
4
2
V
DD
= +5V
V
SS
= –5V
V
REF
= +2.5V
A0 = +5V
ALL OTHER DIGITAL
PINS VARYING
I
DD
I
SS
01114-028
Figure 28. Supply Current vs. Digital Input Voltage
DIGITAL INPUT VOLTAGE (V)
10
1
0.0001
051
SUPPLY CURRENT (mA)
234
0.1
0.01
0.001
V
DD
= +5V
V
SS
= –5V
V
REF
= +2.5V
ALL DIGITAL PINS VARY,
EXCEPT A0 = +5V
I
DD
I
SS
01114-029
Figure 29. Shutdown Supply Current vs. Digital Input Voltage (A0 Only)
TEMPERATURE ( ° C)
5.0
4.4
2.0
–55 125–35
SUPPLY CURRENT (mA)
–15 5 25 45 65 85 105
3.8
3.2
2.6
V
DD
= +5V
V
SS
= –5V
V
REF
= +2.5V
I
DD
AND I
SS
01114-030
Figure 30. Supply Current vs. Temperature
80
20
–55 125–35
SHUTDOWN SUPPLY (µA)
–15 5 25 45 65 85 105
70
60
50
40
30
V
DD
= +5.5V
V
SS
= –5.5V
V
REF
= +2.5V
PIN A0 FLOATING
TEMPERATURE ( ° C)
01114-031
Figure 31. Shutdown Supply Current vs. Temperature
TEMPERATURE ( ° C)
0.08
–0.04
084
NORMALIZED TOTAL UNADJUSTED
ERROR DRIFT (LSB)
168 252 336 420 504
0.04
0
–0.08
READING MADE AT T
A
= +25 ° C
SAMPLE SIZE = 924 UNITS
V
DD
= +2.7V
V
DD
= +5.5V
01114-032
Figure 32. Normalized TUE Drift Accelerated by Burn-In Hours
of Operation @ 150°C