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