Datasheet

AD7329 Data Sheet
Rev. B | Page 6 of 40
B Version
Parameter
1
Min Typ Max Unit Test Conditions/Comments
CONVERSION RATE
Conversion Time 800 ns 16 SCLK cycles with SCLK = 20 MHz
Track-and-Hold Acquisition
Time
2, 3
300 ns Full-scale step input; see the Terminology section
Throughput Rate 1 MSPS V
CC
= 4.75 V to 5.25 V; see the Serial Interface section
770 kSPS V
CC
< 4.75 V
POWER REQUIREMENTS Digital inputs = 0 V or V
DRIVE
V
DD
12 16.5 V See Table 6
V
SS
−12 −16.5 V See Table 6
V
CC
2.7 5.25 V See Table 6; typical specifications for V
CC
< 4.75 V
V
DRIVE
2.7 5.25 V
Normal Mode (Static)
0.9
mA
V
DD
= 16.5, V
SS
= −16.5 V, V
CC
= V
DRIVE
= 5.25 V
Normal Mode (Operational) f
S
= 1 MSPS
I
DD
360 µA V
DD
= 16.5 V
I
SS
410 µA V
SS
= −16.5 V
I
CC
and I
DRIVE
3.4 mA V
CC
= V
DRIVE
= 5.25 V
Autostandby Mode (Dynamic) f
S
= 250 kSPS
I
DD
200 µA V
DD
= 16.5 V
I
SS
210 µA V
SS
= −16.5 V
I
CC
and I
DRIVE
1.3 mA V
CC
= V
DRIVE
= 5.25 V
Autoshutdown Mode (Static) SCLK on or off
I
DD
1 µA V
DD
= 16.5 V
I
SS
1
µA
V
SS
= −16.5 V
I
CC
and I
DRIVE
1 µA V
CC
= V
DRIVE
= 5.25 V
Full Shutdown Mode SCLK on or off
I
DD
1 µA V
DD
= 16.5 V
I
SS
1 µA V
SS
= −16.5 V
I
CC
and I
DRIVE
1 µA V
CC
= V
DRIVE
= 5.25 V
POWER DISSIPATION
Normal Mode (Operational) 31 mW V
DD
= 16.5 V, V
SS
= −16.5 V, V
CC
= 5.25 V
21 mW V
DD
= 12 V, V
SS
= −12 V, V
CC
= 5 V
Full Shutdown Mode 38.25 µW V
DD
= 16.5 V, V
SS
= −16.5 V, V
CC
= 5.25 V
1
Temperature range is −40°C to +85°C.
2
See the Terminology section.
3
Sample tested during initial release to ensure compliance.
4
For dc accuracy specifications, the LSB size for differential mode is FSR/8192. For single-ended mode/pseudo differential mode, the LSB size is FSR/4096, unless
otherwise noted.
5
Unipolar 0 V to 10 V range with straight binary output coding.
6
Bipolar range with twos complement output coding.