ADS7807 Datasheet, PDF (5/23 Pages) Burr-Brown (TI) – Low-Power 16-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER

TYPICAL CHARACTERISTICS
At T_A = +25°C, f_S = 40kHz, V_DIG = V_ANA = +5V, and using internal reference and fixed resistors (see Figure 7b), unless otherwise specified.
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
FREQUENCY SPECTRUM
(8192 Point FFT; f_IN = 1kHz, 0dB)
5
10
15
20
Frequency (kHz)
FREQUENCY SPECTRUM
(8192 Point FFT; f_IN = 15kHz, 0dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
5
10
15
20
Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY (f_IN = 0dB)
100
90
80
70
60
50
40
30
20
10
100
1k
10k
100k
1M
Input Signal Frequency (Hz)
100
90
80
70
60
50
40
30
20
10
0
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY AND INPUT AMPLITUDE
0dB
–20dB
–60dB
2 4 6 8 10 12 14 16 18 20
Input Signal Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION) vs TEMPERATURE
(f_IN = 1kHz, 0dB; f_S = 10kHz to 40kHz)
100
95
10kHz _30kHz
20kHz
90
40kHz
85
80
75
–75 –50 –25
0 25 50 75 100 125 150
Temperature (°C)
AC PARAMETERS vs TEMPERATURE
(f_IN = 1kHz, 0dB)
110
–80
SFDR
105
–85
100
–90
95
SNR
90
–95
THD
–100
85
SINAD
80
–75 –50 –25
–105
0 25 50 75
Temperature (°C)
–110
100 125 150
ADS7807
5
SBAS022B
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