ADS7831 Burr-Brown Corporation, ADS7831 Datasheet - Page 5

• Manufacturer Part Number: ADS7831
• Description: 12-Bit 600kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
• Manufacturer: Burr-Brown Corporation

T = +25 C, f
TYPICAL PERFORMANCE CURVES
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
90
80
70
60
50
40
30
20
10
0
0
1k
0
0
S
=600kHz, +V
(4096 Point FFT; f
(4096 Point FFT; f
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY (f
10k
75
75
DIG
Input Signal Frequency (Hz)
FREQUENCY SPECTRUM
FREQUENCY SPECTRUM
= +V
Frequency (kHz)
Frequency (kHz)
ANA
IN
100k
150
150
= +5V, –V
IN
= 1.002MHz, –0.5dB)
= 252kHz, –0.5dB)
IN
ANA
= –0.5dB)
= –5V, using internal reference and the 50
225
225
1M
10M
300
300
5
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
100
95
90
85
80
75
70
65
60
0
0
–75
0
0
–50
input resistor shown in Figure 4b, unless otherwise specified.
A.C. PARAMETERS vs TEMPERATURE
(4096 Point FFT; f1
(4096 Point FFT; f
–25
75
75
FREQUENCY SPECTRUM
FREQUENCY SPECTRUM
f2
(f
0
IN
IN
Temperature (°C)
Frequency (kHz)
Frequency (kHz)
= 272kHz, –6.5dB)
= 250kHz, –0.5dB)
THD
25
150
150
IN
IN
= 502kHz, –0.5dB)
= 232kHz, –6.5dB;
50
ADS7831
SFDR
SINAD
SNR
75
225
225
100
125
300
300
150
®