Datasheet

AD7280A
Rev. 0 | Page 11 of 48
TYPICAL PERFORMANCE CHARACTERISTICS
5.5
4.9
5.0
5.1
5.2
5.3
5.4
–40 –20 0 20 40 60 80 100
V
REG
VOLTAGE (V)
TEMPERATURE (°C)
V
DD
= 8V
V
DD
= 10V
V
DD
= 22.5V
V
DD
= 29.9V
09435-102
8
1
2
4
3
5
6
7
–40 –20 0 20 40 60 80 100
I
DD
(mA)
TEMPERATURE (°C)
SLAVE CURRENTS
MASTER CURRENTS
09435-105
MASTER, V
DD
= 8V
MASTER, V
DD
= 10V
MASTER, V
DD
= 29.9V
SLAVE, V
DD
= 8V
SLAVE, V
DD
= 10V
SLAVE, V
DD
= 29.9V
Figure 4. V
REG
vs. Temperature for Different Supply Voltages,
V
REG
Connected to AV
CC
and DV
CC
Figure 7. I
DD
During Cell Balancing vs. Temperature
for Different Supply Voltages
5.5
4.9
5.0
5.1
5.2
5.3
5.4
–40 –20 0 20 40 60 80
100
V
REG
VOLTAGE (V)
TEMPERATURE (°C)
V
DD
= 8V
V
DD
= 10V
V
DD
= 22.5V
V
DD
= 29.9V
09435-103
8
1
2
4
3
5
6
7
–40 –20 0 20 40 60 80 100
I
DD
(mA)
TEMPERATURE (°C)
SLAVE CURRENTS
MASTER CURRENTS
09435-106
MASTER, V
DD
= 8V
MASTER, V
DD
= 10V
MASTER, V
DD
= 29.9V
SLAVE, V
DD
= 8V
SLAVE, V
DD
= 10V
SLAVE, V
DD
= 29.9V
Figure 5. V
REG
vs. Temperature for Different Supply Voltages,
V
REG
Connected to AV
CC
and DV
CC
, 5 mA External Load
Figure 8. I
DD
During Software Power-Down vs. Temperature
for Different Supply Voltages
8
1
2
4
3
5
6
7
–40 –20 0 20 40 60 80 100
I
DD
(mA)
TEMPERATURE (°C)
SLAVE CURRENTS
MASTER CURRENTS
09435-104
MASTER, V
DD
= 8V
MASTER, V
DD
= 10V
MASTER, V
DD
= 29.9V
SLAVE, V
DD
= 8V
SLAVE, V
DD
= 10V
SLAVE, V
DD
= 29.9V
10,000
8000
6000
4000
2000
0
26682667266626652664
9149
26632662
386460
5
26612660
NUMBER OF OCCURRENCES
CODE
09435-107
Figure 6. I
DD
During Conversion vs. Temperature
for Different Supply Voltages
Figure 9. Histogram of Codes for 10,000 Samples,
Odd Cell Voltage Channels