AD7323 Analog Devices, AD7323 Datasheet - Page 5

• Manufacturer Part Number: AD7323
• Description: 500 kSPS, 4-Channel, Software Selectable True bipolar Input, 12-Bit Plus Sign A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7323

• Resolution (bits): 13bit
• # Chan: 4
• Sample Rate: 500kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: Bip 10V,Bip 2.5V,Bip 5.0V,Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

Parameter
REFERENCE INPUT/OUTPUT
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
POWER REQUIREMENTS
Input Capacitance
Input Voltage Range
Input DC Leakage Current
Input Capacitance
Reference Output Voltage
Reference Output Voltage
Reference Output Voltage
Reference Temperature
Reference Output
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage
Floating-State Output
Output Coding
Conversion Time
Track-and-Hold Acquisition
Throughput Rate
V
V
V
V
Normal Mode (Static)
Normal Mode (Operational)
Autostandby Mode
Current
Capacitance
DD
SS
CC
DRIVE
Error at 25°C
T
Coefficient
Impedance
Time
I
I
I
(Dynamic)
I
I
I
DD
SS
CC
DD
SS
CC
MIN
and I
and I
to T
2
,
1
3
DRIVE
DRIVE
MAX
3
IN
3
IN
INL
INH
3
OL
OH
Min
2.5
2.4
V
12
−12
2.7
2.7
DRIVE
− 0.2 V
Straight natural binary
Twos complement
B Version
Typ
13.5
16.5
21.5
3
10
2.5
3
7
10
5
0.9
Max
3
±1
±5
±10
25
0.8
0.4
±1
0.4
±1
1.6
305
500
16.5
−16.5
5.25
5.25
180
205
2.2
100
110
0.75
Rev. A | Page 5 of 36
Unit
pF
pF
pF
pF
V
μA
pF
V
mV
mV
ppm/°C
Ω
V
V
V
μA
pF
V
V
μA
pF
μs
ns
kSPS
V
V
V
V
mA
μA
μA
mA
μA
μA
mA
Test Conditions/Comments
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
V
V
V
I
I
Coding bit set to 1 in control register
Coding bit set to 0 in control register
16 SCLK cycles with SCLK = 10 MHz
Full-scale step input; see the
See the
Digital inputs = 0 V or V
See
See
See
V
f
V
V
V
f
V
V
V
SOURCE
SINK
S
S
CC
CC
IN
DD
DD
SS
CC
DD
SS
CC
= 500 kSPS
= 250 kSPS
/V
/V
= 0 V or V
/V
= −16.5 V
= −16.5 V
= 4.75 V to 5.25 V
= 2.7 V to 3.6 V
= 16.5 V
= 16.5 V
= 200 μA
Table 6
Table 6
Table 6
DRIVE
DRIVE
SS
= 200 μA
= ±16.5 V, V
Serial Interface
= 5.25 V
= 5.25 V
DRIVE
CC
/V
DRIVE
DRIVE
section
= 5.25 V
Terminology
section
AD7323