AD7323 Analog Devices, AD7323 Datasheet - Page 4

• 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

AD7323
Parameter
DC ACCURACY
ANALOG INPUT
Resolution
No Missing Codes
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Positive Full-Scale Error
Positive Full-Scale Error
Bipolar Zero Error
Bipolar Zero Error Match
Negative Full-Scale Error
Negative Full-Scale Error
Input Voltage Ranges
DC Leakage Current
Match
Match
(Programmed via Range
Pseudo Differential V
Register)
Input Range
1
2
2
,
,
5
2
5
,
2
4
, 4
2
,
2
2
4
,
5
,
4
2
2
IN
2
, 5
2
2
(−)
,
,
5
5
Min
13
12-bit plus
sign (13 bits)
11-bit plus
sign (12 bits)
B Version
Typ
−0.7/+1.2
−0.7/+1
±10
±5
±2.5
0 to 10
±3.5
±6
±5
+3/−5
3
Max
±1.1
±1
−0.9/+1.2
±0.9
−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
±80
Rev. A | Page 4 of 36
Unit
Bits
Bits
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
V
V
V
V
V
V
V
V
nA
nA
Test Conditions/Comments
Single-ended/pseudo differential mode:
1 LSB = FSR/4096; unless otherwise noted
Differential mode: 1 LSB = FSR/8192;
unless otherwise noted
Differential mode
Single-ended/pseudo differential mode
Differential mode; V
Single-ended/pseudo differential mode, V
typical for V
Single-ended/pseudo differential mode
(LSB = FSR/8192)
Differential mode; guaranteed no missing codes to 13 bits
Single-ended mode; guaranteed no missing codes to 12 bits
Single-ended/pseudo differential mode
(LSB = FSR/8192)
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
V
V
V
V
V
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
Per input channel, V
DD
DD
DD
DD
DD
IN
= V
= 10 V min, V
= 5 V min, V
= 5 V min, V
= 10 V min, V
= 16.5 V, V
DD
or V
CC
SS
= 2.7 V
SS
SS
SS
= −16.5 V, V
SS
SS
= −5 V min, V
= −5 V min, V
= −10 V min, V
= AGND min, V
CC
IN
= 3 V to 5.25 V, typ for V
= V
Table 6
DD
or V
CC
= 5 V; see
CC
CC
SS
= 2.7 V to 5.25 V
= 2.7 V to 5.25 V
CC
CC
= 2.7 V to 5.25 V
= 2.7 V to 5.25 V
Figure 40
CC
= 3 V to 5.25 V,
CC
= 2.7 V
and