TYPICAL PERFORMANCE CURVES
At TA = +25°C, +VCC = +2.7V, VREF = +2.5V, fSAMPLE = 125kHz, and fCLK = 16 • fSAMPLE = 2MHz, unless otherwise noted.
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE
SUPPLY CURRENT vs TEMPERATURE
140
120
100
80
400
350
300
250
200
150
100
60
40
20
–40
–20
0
20
40
60
80
100
–40
–20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
SUPPLY CURRENT vs +VCC
MAXIMUM SAMPLE RATE vs +VCC
400
350
300
250
200
150
100
50
1M
100k
10k
1k
8-Bit Mode
fCLOCK = 200kHz
VREF = +VCC
12-Bit Mode
VREF = +VCC
4.5
1.5
2
2.5
3
3.5
4
4.5
5
1.5
2
2.5
3
3.5
4
5
+VCC (V)
+VCC (V)
CHANGE IN GAIN vs TEMPERATURE
CHANGE IN OFFSET vs TEMPERATURE
0.6
0.4
0.15
0.10
0.05
0.2
0.00
0.0
–0.05
–0.10
–0.15
–0.2
–0.4
–0.6
–40
–20
0
20
40
60
80
100
–40
–20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
®
ADS7845
4
BB [ BURR-BROWN CORPORATION ]
