TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25, VCC = +5V, VREF = +5V, fSAMPLE = 12.5kHz, fCLK = 16 • fSAMPLE, unless otherwise specified.
4096 POINT FFT
PEAK-TO-PEAK NOISE vs REFERENCE VOLTAGE
10
9
8
7
6
5
4
3
2
1
0
0
–25
–50
–75
–100
–125
0
2
4
6
0.1
–55
–55
1
10
85
85
Frequency (kHz)
Reference Voltage (V)
POWER SUPPLY REJECTION vs RIPPLE FREQUENCY
VRIPPLE = 20mV
CHANGE GAIN vs TEMPERATURE
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
0.15
0.1
0.05
0
–0.05
–0.1
–0.15
–40
–25
0
25
70
1
10
100
1000
10000
Ripple Frequency (kHz)
Temperature (°C)
POWER DOWN SUPPLY CURRENT
vs TEMPERATURE
SUPPLY CURRENT vs TEMPERATURE
3
2.5
2
400
350
300
250
200
150
100
fSAMPLE = 12.5kHz
1.5
1
fSAMPLE = 1.6kHz
0.5
0
–55
–40
–25
0
25
70
85
–40
–25
0
25
70
Temperature (°C)
Temperature (°C)
®
ADS1286
6
BB [ BURR-BROWN CORPORATION ]
