ADS7805 Datasheet, PDF (5/12 Pages) Burr-Brown (TI) – 16-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER

TYPICAL PERFORMANCE CURVES
T_A = +25°C, f_S = 100kHz, V_DIG = V_ANA = +5V, using internal reference and fixed resistors shown in Figure 6b, unless otherwise specified.
0
–20
–40
–60
–80
–100
–120
–140
0.0
FREQUENCY SPECTRUM
(8192 Point FFT; f_IN = 20kHz, 0dB)
12.5
25.0
37.5
50.0
Frequency (kHz)
0
–20
–40
–60
–80
–100
–120
–140
0.0
FREQUENCY SPECTRUM
(8192 Point FFT; f_IN = 45kHz, 0dB)
12.5
25.0
37.5
50.0
Frequency (kHz)
90
80
70
60
50
40
30
20
10
0
0
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY AND INPUT AMPLITUDE
0dB
–20dB
–60dB
5 10 15 20 25 30 35 40 45
Input Signal Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION) vs TEMPERATURE
100.0
(f_IN = 20kHz, 0dB; f_S = 50kHz, 100kHz)
95.0
50kHz
90.0
85.0
100kHz
80.0
75.0
–50 –25 0
25 50 75
Temperature (°C)
100 125 150
A.C. PARAMETERS vs TEMPERATURE
(f_IN = 20kHz, 0dB)
110
–80
105
–85
SFDR
100
–90
95
THD
–95
90
85
80
–50 –25 0
SNR
–100
SINAD
25 50 75 100 125
Temperature (°C)
–105
–110
150
3
2
1
0
–1
–2
–3
0
All Codes INL
8192 16384 24576 32768 40960 49152 57344 65535
Decimal Code
3
2 ^{All Codes DNL}
1
0
–1
–2
–3
0
8192 16384 24576 32768 40960 49152 57344 65535
Decimal Code
®
5
ADS7805