Specifications

DATA SHEET QF4A512
Rev D4, Dec 07 8 www.quickfiltertech.com
1.6 Typical Performance Characteristics
Default Conditions: T
A
= 25 C, V
DD18
= 1.8V, V
DD33
= 3.3V, unless otherwise noted.
SINAD vs. Data Rate
50
60
70
80
90
1 10 100 1000
Data Rate (kSPS)
SINAD (dB)
Chop OFF, 1.8V/3.3V
Chop ON, 1.8V/3.3V
ENOB vs. Data Rate
9
10
11
12
13
14
1 10 100 1000
Data Rate (kSPS)
ENOB (bits)
Chop OFF, 1.8V/3.3V
Chop ON, 1.8V/3.3V
SNR vs. Data Rate
50
60
70
80
90
1 10 100 1000
Data Rate (kSPS)
SNR (dB)
Chop OFF, 1.8V/3.3V
Chop ON, 1.8V/3.3V
SFDR vs. Data Rate
50
60
70
80
90
100
1 10 100 1000
Data Rate (kSPS)
SFDR (dB)
Chop OFF, 1.8V/3.3V
Chop ON, 1.8V/3.3V
THD vs. Data Rate
-100
-90
-80
-70
-60
-50
1 10 100 1000
Data Rate (kSPS)
THD (dB)
Chop OFF, 1.8V/3.3V
Chop ON, 1.8V/3.3V
Channel Isolation vs. ADC Frequency
0
20
40
60
80
100
10 30 50 70 90
ADC Frequency (MHz)
Minimum CI (dB)