TYPICAL PERFORMANCE CURVES
At TA = +25°C, fS = 40kHz, VS1 = VS2 = +5V, using internal reference, unless otherwise noted.
FREQUENCY SPECTRUM
(8192 Point FFT; fIN = 1.02kHz, –0.5dB)
0
ADJACENT CHANNEL CROSSTALK, WORST PAIR
(8192 Point FFT; AIN3 = 1.02kHz, –0.1dB; AIN2 = AGND)
0
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
0
5
10
15
20
0
5
10
15
20
Frequency (kHz)
Frequency (kHz)
ADJACENT CHANNEL CROSSTALK, WORST PAIR
(8192 Point FFT; AIN3 = 10.1kHz, –0.1dB; AIN2 = AGND)
0
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
0.3
0.2
0.1
All Codes INL
0
–0.1
–0.2
–0.3
0
512
1024
1536
2048
2560
3072
3584
4095
Decimal Code
0.3
0.2
All Codes DNL
0.1
0
–0.1
–0.2
–0.3
0
5
10
15
20
0
512
1024
1536
2048
2560
3072
3584
4095
Frequency (kHz)
Decimal Code
ENDPOINT ERRORS
2
1
BPZ Error
POWER SUPPLY RIPPLE SENSITIVITY
INL/DNL DEGRADATION PER LSB OF P-P RIPPLE
1
10–1
10–2
10–3
10–4
10–5
0
–1
–2
0.2
INL
+FS Error
0
–0.2
0.2
–FS Error
DNL
0
101
102
103
104
105
106
107
Power Supply Ripple Frequency (Hz)
–0.2
–50
–25
0
25
50
75
100
Temperature (°C)
®
ADS7824
5
BB [ BURR-BROWN CORPORATION ]
