–40°C to +105°C; AVDD = 5 V ± 5%" />
參數(shù)資料
型號(hào)： EVAL-AD7739EBZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 23/32頁(yè)
文件大?。?/td> 0K
描述： BOARD EVAL FOR AD7739
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 24
采樣率（每秒）： 15.1k
數(shù)據(jù)接口： 串行
輸入范圍： ±2.5 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 85mW @ 5V
工作溫度： -40°C ~ 105°C
已用 IC / 零件： AD7739
已供物品： 板
相關(guān)產(chǎn)品： AD7739BRUZ-REEL7-ND - IC ADC 24BIT 8CH SIG-DEL 24TSSOP
AD7739BRUZ-ND - IC ADC 24BIT 8-CH 24-TSSOP
AD7739BRU-REEL-ND - IC ADC 24BIT 8CH SIG-DEL 24TSSOP
AD7739BRU-ND - IC ADC 24BIT 8-CH 24-TSSOP
Data Sheet
AD7739
Rev. A | Page 3 of 32
SPECIFICATIONS
–40°C to +105°C; AVDD = 5 V ± 5%; DVDD = 2.7 V to 3.6 V, or 5 V ± 5%; REFIN(+) = 2.5 V; REFIN(–) = 0 V, AINCOM = 2.5 V; Internal
Buffer On, AIN Range = ±1.25 V; fMCLKIN = 6.144 MHz; unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ADC PERFORMANCE, CHOPPING
ENABLED
Conversion Time Rate
372
11840
Hz
Configure via conv. time register
No Missing Codes1, 2
24
Bits
FW ≥ 12 (conversion time ≥ 290 μs)
Output Noise
Resolution
Integral Nonlinearity (INL)2
±0.0005
±0.0015
% of FSR
Offset Error (Unipolar, Bipolar)3
±10
μV
Before calibration
Offset Drift vs. Temperature1
±25
nV/°C
Gain Error3
±0.2
%
Before calibration
Gain Drift vs. Temperature1
±2.5
ppm of FS/°C
Positive Full-Scale Error3
±0.2
% of FSR
Before calibration
Positive Full-Scale Drift vs. Temp.1
±2.5
ppm of FS/°C
Bipolar Negative Full-Scale Error4
±0.0030
% of FSR
After calibration
Common-Mode Rejection
80
95
dB
At dc, AIN = 1 V
Power Supply Rejection
70
80
dB
At dc, AIN = 1 V
ADC PERFORMANCE, CHOPPING
DISABLED
Conversion Time Rate
737
15133
Hz
Configure via conv. time register
No Missing Codes1, 2
24
Bits
FW
12 (conversion time 290 μs)
Output Noise
Resolution
Integral Nonlinearity (INL)2
±0.0015
% of FSR
Offset Error (Unipolar, Bipolar)5
±1
mV
Before calibration
Offset Drift vs. Temperature
±1.5
μV/°C
Gain Error3
±0.2
%
Before calibration
Gain Drift vs. Temperature
±2.5
ppm of FS/°C
Positive Full-Scale Error3
±0.2
% of FSR
Before calibration
Positive Full-Scale Drift vs. Temp.
±2.5
ppm of FS/°C
Bipolar Negative Full-Scale Error4
±0.0030
% of FSR
After calibration
Common-Mode Rejection
75
dB
At dc, AIN = 1 V
Power Supply Rejection
65
dB
At dc, AIN = 1 V
ANALOG INPUTS
Analog Input Voltage1, 6
±2.5 V Range
±2.5
V
2.5 V Range
0 to 2.5
V
±1.25 V Range
±1.25
V
1.25 V Range
0 to 1.25
V
±0.625 V Range
±0.625
V
0.625 V Range
0 to 0.625
V
AIN, AINCOM Common-Mode/
Absolute Voltage1
0.2
AVDD 0.3
V
Analog Input Slew Rate1, 7
0.5
V/conv. time
AIN absolute voltage > 3 V
AIN, AINCOM Input Current1, 8
1
5
nA
Only one channel, chop disabled
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