TYPICAL PERFORMANCE CURVES
At VA = VD = VREF+ = 5V, VREF– = AGND = 0V, TA = +25°C, unless otherwise specified.
CODE TRANSITION NOISE
CHANNEL SEPARATION vs FREQUENCY
100
100
75
50
25
0
80
Channel AIN3
Channel AIN1
60
40
20
0
Channel AIN0
0
0.25
0.5
0.75
1
1
10
100
1000
Analog Input Voltage – Expected Code Center (LSBs)
Frequency of 5Vp-p Signal on Channel AIN2 (kHz)
SIGNAL/(NOISE + DISTORTION)
vs INPUT FREQUENCY
POWER SUPPLY REJECTION vs FREQUENCY
75
50
25
0
10
6
4
2
VA
VD
1
0.6
0.4
0.2
0.1
0.1
0.2
0.4 0.6
1
2
4
6
10
0.1
1
10
Frequency (kHz)
100
1000
Input Frequency (kHz)
INTERNAL CLOCK FREQUENCY
vs RCLOCK
INTERNAL CLOCK FREQUENCY
vs TEMPERATURE
1.15
1.1
1.05
1
10
RCLOCK = 70kΩ
1
0.95
0.9
0.1
–50
–25
0
25
50
75
100
10
100
1k
Ambient Temperature (°C)
RCLOCK (kΩ)
®
ADC7802
5
BB [ BURR-BROWN CORPORATION ]
