參數(shù)資料
型號： EVAL-ADUC834QSZ
廠商： Analog Devices Inc
文件頁數(shù)： 23/80頁
文件大小： 0K
描述： KIT DEV QUICK START ADUC834
標準包裝： 1
系列： QuickStart™ 套件
類型： MCU
適用于相關(guān)產(chǎn)品： ADuC834
所含物品： 評估板，線纜，電源，軟件和文檔
REV. A
ADuC834
–3–
Parameter
ADuC834
Test Conditions/Comments
Unit
ADC SPECIFICATIONS
Conversion Rate
5.4
On Both Channels
Hz min
105
Programmable in 0.732 ms Increments
Hz max
Primary ADC
No Missing Codes
2
24
20 Hz Update Rate
Bits min
Resolution
13.5
Range =
± 20 mV, 20 Hz Update Rate
Bits p-p typ
18.5
Range =
± 2.56 V, 20 Hz Update Rate
Bits p-p typ
Output Noise
See Tables X and XI
Output Noise Varies with Selected
in ADuC834 ADC
Update Rate and Gain Range
Description
Integral Nonlinearity
± 15
1 LSB16
ppm of FSR max
Offset Error
3
± 3
V typ
Offset Error Drift
± 10
nV/
°C typ
Full-Scale Error
4
± 10
V typ
Gain Error Drift
5
± 0.5
ppm/
°C typ
ADC Range Matching
± 2AIN = 18 mV
V typ
Power Supply Rejection (PSR)
113
AIN = 7.8 mV, Range =
± 20 mV
dBs typ
80
AIN = 1 V, Range =
± 2.56 V
dBs min
Common-Mode DC Rejection
On AIN
95
At DC, AIN = 7.8 mV, Range =
± 20 mV dBs min
113
At DC, AIN = 1 V, Range =
± 2.56 V
dBs typ
On REFIN
125
At DC, AIN = 1 V, Range =
± 2.56 V
dBs typ
Common-Mode 50 Hz/60 Hz Rejection
2
20 Hz Update Rate
On AIN
95
50 Hz/60 Hz
± 1Hz, AIN = 7.8 mV,
dBs min
Range =
± 20 mV
90
50 Hz/60 Hz
± 1Hz, AIN = 1 V,
dBs min
Range =
± 2.56 V
On REFIN
90
50 Hz/60 Hz
± 1Hz, AIN = 1 V,
dBs min
Range =
± 2.56 V
Normal Mode 50 Hz/60 Hz Rejection
2
On AIN
60
50 Hz/60 Hz
± 1Hz, 20 Hz Update Rate
dBs min
On REFIN
60
50 Hz/60 Hz
± 1Hz, 20 Hz Update Rate
dBs min
Auxiliary ADC
No Missing Codes
2
16
Bits min
Resolution
16
Range =
± 2.5 V, 20 Hz Update Rate
Bits p-p typ
Output Noise
See Table XII in
Output Noise Varies with Selected
ADuC834 ADC
Update Rate
Description
Integral Nonlinearity
± 15
ppm of FSR max
Offset Error
3
–2
LSB typ
Offset Error Drift
1
V/
°C typ
Full-Scale Error
6
–2.5
LSB typ
Gain Error Drift
5
± 0.5
ppm/
°C typ
Power Supply Rejection (PSR)
80
AIN = 1 V, 20 Hz Update Rate
dBs min
Normal Mode 50 Hz/60 Hz Rejection
2
On AIN
60
50 Hz/60 Hz
± 1Hz
dBs min
On REFIN
6050 Hz/60 Hz
± 1 Hz, 20 Hz Update Rate
dBs min
DAC PERFORMANCE
DC Specifications
7
Resolution
12
Bits
Relative Accuracy
± 3LSB typ
Differential Nonlinearity
–1
Guaranteed 12-Bit Monotonic
LSB max
Offset Error
± 50
mV max
Gain Error
8
± 1AVDD Range
% max
± 1VREF Range
% typ
AC Specifications
2, 7
Voltage Output Settling Time
15
Settling Time to 1 LSB of Final Value
s typ
Digital-to-Analog Glitch Energy
10
1 LSB Change at Major Carry
nVs typ
SPECIFICATIONS1
(AVDD = 2.7 V to 3.6 V or 4.75 V to 5.25 V, DVDD = 2.7 V to 3.6 V or 4.75 V to
5.25 V, REFIN(+) = 2.5 V, REFIN(–) = AGND; AGND = DGND = 0 V; XTAL1/XTAL2 =
32.768 kHz Crystal; all specifications TMIN, to TMAX unless otherwise noted.)
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