
AD7328
Parameter
1
Offset Error
2, 5
Offset Error Match
2, 5
Gain Error
2, 5
Gain Error Match
2, 5
Positive Full-Scale Error
2, 6
Positive Full-Scale Error Match
2, 6
Bipolar Zero Error
2, 6
Bipolar Zero Error Match
2, 6
Negative Full-Scale Error
2, 6
Negative Full-Scale Error Match
2, 6
ANALOG INPUT
Input Voltage Ranges
(Programmed via Range
Register)
Pseudo Differential V
IN
()
Input Range
DC Leakage Current
Input Capacitance
3
REFERENCE INPUT/OUTPUT
Input Voltage Range
Input DC Leakage Current
Input Capacitance
Reference Output Voltage
Long Term Stability
Output Voltage Hysteresis
2
Reference Output Voltage Error
@ 25°C
Reference Output Voltage
T
MIN
to T
MAX
Reference Temperature
Coefficient
Reference Output Impedance
Rev. A | Page 4 of 36
B Version
Typ
±10
Unit
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
V
Test Conditions/Comments
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Differential mode
Reference = 2.5 V; see Table 6
V
DD
= 10 V min, V
SS
= 10 V min, V
CC
= 2.7 V to 5.25 V
Min
Max
4/+9
7/+10
±0.6
±0.5
±8
±14
±0.5
±0.5
±4
±7
±0.5
±0.5
±8.5
±7.5
±0.5
±0.5
±4
±6
±0.5
±0.5
±5
±2.5
0 to 10
V
V
V
V
DD
= 5 V min, V
SS
= 5 V min, V
CC
= 2.7 V to 5.25 V
V
DD
= 5 V min, V
SS
= 5 V min, V
CC
= 2.7 V to 5.25 V
V
DD
= 10 V min, V
SS
= AGND min, V
CC
= 2.7 V to 5.25 V
V
DD
= 16.5 V, V
SS
= 16.5 V, V
CC
= 5 V; see Figure 40 and
Figure 41
Reference = 2.5 V; range = ±10 V
Reference = 2.5 V; range = ±5 V
Reference = 2.5 V; range = ±2.5 V
Reference = 2.5 V; range = 0 V to +10 V
V
IN
= V
DD
or V
SS
When in track, ±10 V range
When in track, ±5 V and 0 V to +10 V ranges
When in track, ±2.5 V range
When in hold, all ranges
For 1000 hours
2.5
±3.5
±6
±5
+3/5
13.5
16.5
21.5
3
10
2.5
150
50
±200
3
±1
±5
V
V
V
V
nA
pF
pF
pF
pF
V
μA
pF
V
ppm
ppm
mV
±10
mV
25
ppm/°C
6
7
ppm/°C
Ω