TYPICAL CHARACTERISTICS
At TA = +25°C, fS = 40kHz, VDIG = VANA = +5V, and using internal reference and fixed resistors (see Figure 7b), unless otherwise specified.
FREQUENCY SPECTRUM
FREQUENCY SPECTRUM
(8192 Point FFT; fIN = 15kHz, 0dB)
(8192 Point FFT; fIN = 1kHz, 0dB)
0
–10
0
–10
–20
–20
–30
–30
–40
–40
–50
–50
–60
–60
–70
–70
–80
–80
–90
–90
–100
–110
–120
–130
–100
–110
–120
–130
0
5
10
15
20
0
5
10
15
20
Frequency (kHz)
Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY (fIN = 0dB)
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY AND INPUT AMPLITUDE
100
90
80
70
60
50
40
30
20
10
100
90
80
70
60
50
40
30
20
10
0dB
–20dB
–60dB
0
2
4
6
8
10
12
14
16
18
20
100
1k
10k
100k
1M
Input Signal Frequency (kHz)
Input Signal Frequency (Hz)
SIGNAL-TO-(NOISE + DISTORTION) vs TEMPERATURE
(fIN = 1kHz, 0dB; fS = 10kHz to 40kHz)
AC PARAMETERS vs TEMPERATURE
(fIN = 1kHz, 0dB)
100
95
90
85
80
75
110
105
100
95
–80
SFDR
–85
10kHz
30kHz
–90
20kHz
40kHz
–95
THD
SNR
90
–100
–105
–110
85
SINAD
80
–75 –50 –25
0
25
50
75
100 125 150
–75 –50 –25
0
25
50
75
100 125 150
Temperature (°C)
Temperature (°C)
ADS7807
SBAS022C
5
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