
AD7304/AD7305
Rev. C | Page 13 of 20
DIGITAL INPUT VOLTAGE (V)
12
10
0
05
1
S
U
P
L
Y
CURRE
NT
(mA)
23
4
8
6
4
2
VDD = +5V
VSS = –5V
VREF = +2.5V
A0 = +5V
ALL OTHER DIGITAL
PINS VARYING
IDD
ISS
01114-028
Figure 28. Supply Current vs. Digital Input Voltage
DIGITAL INPUT VOLTAGE (V)
10
1
0.0001
05
1
S
U
P
L
Y
CURRE
NT
(mA)
234
0.1
0.01
0.001
VDD = +5V
VSS = –5V
VREF = +2.5V
ALL DIGITAL PINS VARY,
EXCEPT A0 = +5V
IDD
ISS
01114-029
Figure 29. Shutdown Supply Current vs. Digital Input Voltage (A0 Only)
TEMPERATURE (
°C)
5.0
4.4
2.0
–55
125
–35
S
U
P
L
Y
CURRE
NT
(mA)
–15
5
25
45
65
85
105
3.8
3.2
2.6
VDD = +5V
VSS = –5V
VREF = +2.5V
IDD AND ISS
01114-030
Figure 30. Supply Current vs. Temperature
80
20
–55
125
–35
SH
U
T
D
O
W
N
SU
PPLY
(
A)
–15
5
25
45
65
85
105
70
60
50
40
30
VDD = +5.5V
VSS = –5.5V
VREF = +2.5V
PIN A0 FLOATING
TEMPERATURE (
°C)
01114-031
Figure 31. Shutdown Supply Current vs. Temperature
TEMPERATURE (
°C)
0.08
–0.04
084
NORMALIZE
D
TOTAL
UNADJ
US
TE
D
E
RROR
DRIFT
(LS
B
)
168
252
336
420
504
0.04
0
–0.08
READING MADE AT TA = +25°C
SAMPLE SIZE = 924 UNITS
VDD = +2.7V
VDD = +5.5V
01114-032
Figure 32. Normalized TUE Drift Accelerated by Burn-In Hours
of Operation @ 150°C