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AD6644ST/PCBZ 数据表(PDF) 4 Page - Analog Devices

部件名 AD6644ST/PCBZ
功能描述  Analog-to-Digital Converter
PDF  25 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD6644ST/PCBZ 数据表(HTML) 4 Page - Analog Devices

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AD6644
Rev. D | Page 3 of 24
SPECIFICATIONS
DC SPECIFICATIONS
AVCC = 5 V, DVCC = 3.3 V; TMIN = –25°C, TMAX = +85°C, unless otherwise noted.
Table 1.
AD6644AST-40
AD6644AST-65
Parameter
Temp
Test Level1
Min
Typ
Max
Min
Typ
Max
Unit
RESOLUTION
14
14
Bits
ACCURACY
No Missing Codes
Full
II
Guaranteed
Guaranteed
Offset Error
Full
II
−10
+3
+10
−10
+3
+10
mV
Gain Error
Full
II
−10
−6
+10
−10
–6
+10
% FS
Differential Nonlinearity (DNL)
Full
II
−1.0
±0.25
+1.5
−1.0
±0.25
+1.5
LSB
Integral Nonlinearity (INL)
Full
V
±0.50
±0.50
LSB
TEMPERATURE DRIFT
Offset Error
Full
V
10
10
ppm/°C
Gain Error
Full
V
95
95
ppm/°C
POWER SUPPLY REJECTION RATIO (PSRR)
Full
V
±1.0
±1.0
mV/V
REFERENCE OUT (VREF)
Full
V
2.4
2.4
V
ANALOG INPUTS (AIN, AIN)
Differential Input Voltage Span
Full
V
2.2
2.2
V p-p
Differential Input Resistance
Full
V
1
1
kΩ
Differential Input Capacitance
25°C
V
1.5
1.5
pF
POWER SUPPLY
Supply Voltage
AVCC2
Full
II
4.85
5.0
5.25
4.85
5.0
5.25
V
DVCC
Full
II
3.0
3.3
3.6
3.0
3.3
3.6
V
Supply Current
IAVCC (AVCC = 5.0 V)
Full
II
245
276
245
276
mA
IDVCC (DVCC = 3.3 V)
Full
II
30
36
30
36
mA
Rise Time3
AVCC
Full
IV
15
ms
POWER CONSUMPTION
Full
II
1.3
1.5
1.3
1.5
W
1 See the Explanation of Test Levels section.
2 AVCC can vary from 4.85 V to 5.25 V. However, rated ac (harmonics) performance is valid only over the range AVCC = 5.0 V to 5.25 V.
3 Specified for dc supplies with linear rise time characteristics.



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