TYPICAL CHARACTERISTICS: +2.7V
(Cont.)
At T
A
= +25°C, +V
CC
= +2.7V, V
REF
= +2.5V, f
SAMPLE
= 125kHz, and f
CLK
= 16 • f
SAMPLE
= 2MHz, unless otherwise noted.
REFERENCE CURRENT vs SAMPLE RATE
14
12
Reference Current (µA)
10
8
6
4
2
0
0
25
50
75
100
125
Sample Rate (kHz)
Reference Current (µA)
18
16
14
12
10
8
6
–40
REFERENCE CURRENT vs TEMPERATURE
–20
0
20
40
60
80
100
Temperature (˚C)
SUPPLY CURRENT vs +V
CC
320
300
f
SAMPLE
= 12.5kHz
MAXIMUM SAMPLE RATE vs +V
CC
1M
Supply Current (µA)
Sample Rate (Hz)
280
V
REF
= +V
CC
260
240
220
200
180
2
2.5
3
3.5
+V
CC
(V)
4
4.5
5
100k
10k
V
REF
= +V
CC
1k
2
2.5
3
3.5
+V
CC
(V)
4
4.5
5
8
ADS7841
SBAS084B