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参数资料
型号： EVAL-AD7322CBZ
厂商： Analog Devices Inc
文件页数： 33/37页
文件大小： 0K
描述： BOARD EVALUATION FOR AD7322
标准包装： 1
系列： iCMOS®
ADC 的数量： 1
位数： 12
采样率（每秒）： 1M
数据接口： 串行
输入范围： ±10 V
在以下条件下的电源（标准）： 30mW @ 1MSPS
工作温度： -40°C ~ 85°C
已用 IC / 零件： AD7322
已供物品： 板，CD
相关产品： AD7322BRUZ-REEL-ND - IC ADC 12BIT+SAR 2CHAN 14-TSSOP
AD7322BRUZ-REEL7-ND - IC ADC 12BIT+ SAR 2CHAN 14TSSOP
AD7322BRUZ-ND - IC ADC 12BIT+ SAR 2CHAN 14TSSOP
AD7322
Data Sheet
Rev. B | Page 4 of 36
B Version
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
Differential Nonlinearity2
0.9/+1.5
LSB
Differential mode; guaranteed no missing codes to
13 bits
±0.9
LSB
Single-ended mode; guaranteed no missing codes
to 12 bits
0.7/+1
LSB
Single-ended/pseudo differential mode
(LSB = FSR/8192)
Offset Error2, 4
4/+9
LSB
Single-ended/pseudo differential mode
7/+10
LSB
Differential mode
Offset Error Match2, 4
±0.6
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
Gain Error2, 4
±8
LSB
Single-ended/pseudo differential mode
±14
LSB
Differential mode
Gain Error Match2, 4
±0.5
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
Positive Full-Scale Error2, 5
±4
LSB
Single-ended/pseudo differential mode
±7
LSB
Differential mode
Positive Full-Scale Error Match2, 5
±0.5
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
Bipolar Zero Error2, 5
±8.5
LSB
Single-ended/pseudo differential mode
±7.5
LSB
Differential mode
Bipolar Zero Error Match2, 5
±0.5
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
Negative Full-Scale Error2, 5
±4
LSB
Single-ended/pseudo differential mode
±6
LSB
Differential mode
Negative Full-Scale Error Match2,5
±0.5
LSB
Single-ended/pseudo differential mode
±0.5
LSB
Differential mode
ANALOG INPUT
Input Voltage Ranges
Reference = 2.5 V; see Table 6
(Programmed via Range Register)
±10
V
VDD = 10 V min, VSS = 10 V min, VCC = 2.7 V to 5.25 V
±5
V
VDD = 5 V min, VSS = 5 V min, VCC = 2.7 V to 5.25 V
±2.5
V
VDD = 5 V min, VSS = 5 V min, VCC = 2.7 V to 5.25 V
0 to 10
V
VDD = 10 V min, VSS = AGND min, VCC = 2.7 V to 5.25 V
Pseudo Differential VIN() Input
Range
VDD = 16.5 V, VSS = 16.5 V, VCC = 5 V; see Figure 40
and Figure 41
±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
±80
nA
VIN = VDD or VSS
3
nA
Per channel, VIN = VDD or VSS
Input Capacitance3
13.5
pF
When in track, ±10 V range
16.5
pF
When in track, ±5 V and 0 V to +10 V range
21.5
pF
When in track, ±2.5 V range
3
pF
When in hold, all ranges
REFERENCE INPUT/OUTPUT
Input Voltage Range
2.5
3
V
Input DC Leakage Current
±1
A
Input Capacitance
10
pF
Reference Output Voltage
2.5
V
Reference Output Voltage Error at
25°C
±5
mV
Reference Output Voltage
TMIN to TMAX
±10
mV
Reference Temperature Coefficient
3
25
ppm/°C
Reference Output Impedance
7
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