TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25, V
CC
= +5V, V
REF
= +5V, f
SAMPLE
= 12.5kHz, f
CLK
= 16 • f
SAMPLE
, unless otherwise specified.
4096 POINT FFT
0
PEAK-TO-PEAK NOISE vs REFERENCE VOLTAGE
10
9
–25
Magnitude (dB)
Peak-to-Peak Noise (LSB)
8
7
6
5
4
3
2
1
–50
–75
–100
–125
0
2
Frequency (kHz)
4
6
0
0.1
1
Reference Voltage (V)
10
POWER SUPPLY REJECTION vs RIPPLE FREQUENCY
0
–10
Power Supply Rejection (dB)
Delta from 25°C (LSB)
–20
–30
–40
–50
–60
–70
–80
–90
1
10
100
1000
Ripple Frequency (kHz)
10000
–0.15
–55
–40
0.15
CHANGE GAIN vs TEMPERATURE
V
RIPPLE
= 20mV
0.1
0.05
0
–0.05
–0.1
–25
0
25
70
85
Temperature (°C)
POWER DOWN SUPPLY CURRENT
vs TEMPERATURE
3
2.5
Supply Current (µA)
2
1.5
1
0.5
0
–55
–40
–25
0
25
70
85
Temperature (°C)
Supply Current (µA)
400
350
300
SUPPLY CURRENT vs TEMPERATURE
f
SAMPLE
= 12.5kHz
250
200
150
100
–55
–40
–25
0
25
70
85
Temperature (°C)
f
SAMPLE
= 1.6kHz
®
ADS1286
6
ETC [ ETC ]
