Datasheet

Data Sheet AD7329
Rev. B | Page 5 of 40
B Version
Parameter
1
Min Typ Max Unit Test Conditions/Comments
ANALOG INPUT
Input Voltage Ranges Reference = 2.5 V; see Table 6
(Programmed via Range
Register)
±10 V V
DD
= 10 V min, V
SS
= −10 V min, V
CC
= 2.7 V to 5.25 V
±5 V V
DD
= 5 V min, V
SS
= −5 V min, V
CC
= 2.7 V to 5.25 V
±2.5 V V
DD
= 5 V min, V
SS
= − 5 V min, V
CC
= 2.7 V to 5.25 V
0 to 10 V V
DD
= 10 V min, V
SS
= AGND min, V
CC
= 2.7 V to 5.25 V
Pseudo Differential V
IN
−
Input Range
V
DD
= 16.5 V, V
SS
= −16.5 V, V
CC
= 5 V; see Figure 43 and
Figure 44
±3.5 V Reference = 2.5 V; range = ±10 V
±6 V Reference = 2.5 V; range = ±5 V
±5 V Reference = 2.5 V; range = ±2.5 V
+3/−5 V Reference = 2.5 V; range = 0 V to +10 V
DC Leakage Current ±100 nA V
IN
= V
DD
or V
SS
3
nA
Per channel, V
IN
= V
DD
or V
SS
Input Capacitance
3
16 pF When in track, all ranges, single ended
ADC
IN
± Capacitance
3
7 pF When in track, ±10 V range, single ended
10 pF When in track, ±5 V range, single ended
14.5 pF When in track, ±2.5 V range, single ended
10.5 pF When in track, 0 V to +10 V range, single ended
4.0 pF When in hold, all ranges, single ended
MUX
OUT
− Capacitance
3
7.5 pF All ranges, single ended
MUX
OUT
+ Capacitance
3
13 pF All ranges, single ended
REFERENCE INPUT/OUTPUT
Input Voltage Range 2.5 3 V
Input DC Leakage Current ±1 µA
Input Capacitance 10 pF
Reference Output Voltage 2.5 V
Reference Output Voltage Error
at 25°C
±5
mV
Reference Output Voltage
T
MIN
to T
MAX
±10 mV
Reference Temperature
Coefficient
25 ppm/°C
3 ppm/°C
Reference Output Impedance 7 Ω
LOGIC INPUTS
Input High Voltage, V
INH
2.4 V
Input Low Voltage, V
INL
0.8 V V
CC
= 4.75 V to 5.25 V
0.4 V V
CC
= 2.7 to 3.6 V
Input Current, I
IN
±1 µA V
IN
= 0 V or V
DRIVE
Input Capacitance, C
IN
3
10 pF
LOGIC OUTPUTS
Output High Voltage, V
OH
V
DRIVE
−
0.2 V
V I
SOURCE
= 200 µA
Output Low Voltage, V
OL
0.4 V I
SINK
= 200 µA
Floating-State Leakage Current ±1 µA
Floating-State Output
Capacitance
3
5 pF
Output Coding Straight natural binary Coding bit set to 1 in control register
Twos complement
Coding bit set to 0 in control register