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AD7328
Parameter
1
LOGIC INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN3
LOGIC OUTPUTS
Output High Voltage, V
OH
Rev. A | Page 5 of 36
B Version
Typ
10
Unit
V
V
V
μA
pF
V
Test Conditions/Comments
V
CC
= 4.75 V to 5.25 V
V
CC
= 2.7 to 3.6 V
V
IN
= 0 V or V
DRIVE
I
SOURCE
= 200 μA
Min
2.4
V
DRIVE
0.2
Max
0.8
0.4
±1
Output Low Voltage, V
OL
Floating-State Leakage Current
Floating-State Output
Capacitance
3
Output Coding
5
0.4
±1
V
μA
pF
I
SINK
= 200 μA
Straight natural binary
Twos complement
ns
ns
Coding bit set to 1 in control register
Coding bit set to 0 in control register
16 SCLK cycles with SCLK = 20 MHz
Full-scale step input; see the Terminology section
CONVERSION RATE
Conversion Time
Track-and-Hold Acquisition
Time
2, 3
Throughput Rate
POWER REQUIREMENTS
V
DD
V
SS
V
CC
V
DRIVE
Normal Mode (Static)
Normal Mode (Operational)
I
DD
I
SS
I
CC
and I
DRIVE
Autostandby Mode (Dynamic)
I
DD
I
SS
I
CC
and I
DRIVE
Autoshutdown Mode (Static)
I
DD
I
SS
I
CC
and I
DRIVE
Full Shutdown Mode
I
DD
I
SS
I
CC
and I
DRIVE
POWER DISSIPATION
Normal Mode
Full Shutdown Mode
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.
800
305
12
12
2.7
2.7
0.9
21
1
770
16.5
16.5
5.25
5.25
360
410
3.2
200
210
1.3
1
1
1
1
1
1
30
38.25
MSPS
kSPS
V
V
V
V
mA
μA
μA
mA
μA
μA
mA
μA
μA
μA
μA
μA
μA
mW
mW
μW
See the Serial Interface section; V
CC
= 4.75 V to 5.25 V
V
CC
< 4.75 V
Digital inputs = 0 V or V
DRIVE
See Table 6
See Table 6
See Table 6; typical specifications for V
CC
< 4.75 V
V
DD
/V
SS
= ±16.5 V, V
CC
/V
DRIVE
= 5.25 V
f
SAMPLE
= 1 MSPS
V
DD
= 16.5 V
V
SS
= 16.5 V
V
CC
/V
DRIVE
= 5.25 V
f
SAMPLE
= 250 kSPS
V
DD
= 16.5 V
V
SS
= 16.5 V
V
CC
/V
DRIVE
= 5.25 V
SCLK on or off
V
DD
= 16.5 V
V
SS
= 16.5 V
V
CC
/V
DRIVE
= 5.25 V
SCLK on or off
V
DD
= 16.5 V
V
SS
= 16.5 V
V
CC
/V
DRIVE
= 5.25 V
V
DD
= 16.5 V, V
SS
= 16.5 V, V
CC
= 5.25 V
V
DD
= 12 V, V
SS
= 12 V, V
CC
= 5 V
V
DD
= 16.5 V, V
SS
= 16.5 V, V
CC
= 5.25 V
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