
AD7328
Rev. A | Page 12 of 36
10
1000
INPUT FREQUENCY (kHz)
T
100
0
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
V
CC
= V
DRIVE
= 5V
V
DD
/V
T
= 25°C
INTERNAL REFERENCE
RANGE = ±10V AND ±2.5V
R
IN
= 2000
, ±10V RANGE
R
IN
= 1000
, ±10V RANGE
R
= 50
,
±2.5V RANGE
R
= 100
,
±10V RANGE
R
= 100
,
±2.5V RANGE
R
= 1000
,
±2.5V RANGE
R
= 2000
,
±2.5V RANGE
R
= 50
,
±10V RANGE
Figure 22. THD vs. Analog Input Frequency for Various Source Impedances,
Single-Ended Mode