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ADUC846 Datasheet(PDF) 4 Page - Analog Devices

No. de pieza ADUC846
Descripción Electrónicos  MicroConverter, Dual 16-Bit ADCs with Embedded 62kB FLASH MCU
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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ADUC846 Datasheet(HTML) 4 Page - Analog Devices

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ADuC846 SPECIFICATIONS1
-4-
REV. PrA
PRELIMINARY TECHNICAL DATA
PARAMETER
MIN
TYP
MAX
UNITS
CONDITION
INT REFERENCE
ADC Reference
Reference Voltage
1.237
1.25
1.2625
V
initial tolerance @ 25°C, VDD=5V
Power Supply Rejection
45
dBs
Reference Tempco
100
ppm/°C
DAC Reference
Reference Voltage
2.475
2.5
1.525
V
initial tolerance @ 25°C, VDD=5V
Power Supply Rejection
50
dBs
Reference Tempco
± 100
ppm/°C
TEMPERATURE SENSOR
Accuracy
+/- 2
°C
Thermal Impedance
90
°C/W
MQFP Package
52
°C/W
CSP Package
TRANSDUCER BURNOUT CURRENT SOURCES
AIN+ Current
-100
nA
AIN+ is the selected positive input to the
primary ADC
AIN- Current
100
nA
AIN- is the selected negative input to the
primary ADC
Initial Tolerance at 25°C
+/- 10
%
Drift
0.03
%/°C
EXCITATION CURRENT SOURCES
Output Current
-200
µA
Available from each Current Source
Initial Tolerance at 25°C
+/-10
%
Drift
200
ppm/°C
Initial Current Matching at 25°C
+/-1
%
Matching between both Current Sources
Drift Matching
20
ppm/°C
Line Regulation (AVDD)
1
µA/V
AVDD=5V +/- 5%
Load Regulation
0.1
V
Output Compliance
AGND
AVDD-0.6
V
POWER SUPPLY MONITOR (PSM)
AVDD Trip Point Selection Range
2.63
4.63
V
Four Trip Points selectable in this range
AVDD Trip Point Accuracy
+/- 3.0
%
TMAX = 85°C
AVDD Trip Point Accuracy
+/- 3.0
%
TMAX = 125°C
DVDD Trip Point Selection Range
2.63
4.63
V
Four Trip Points selectable in this range
DVDD Trip Point Accuracy
+/- 3.0
%
TMAX = 85°C
DVDD Trip Point Accuracy
+/- 3.0
%
TMAX = 125°C
CRYSTAL OSCILLATOR (XTAL 1AND XTAL2)
Logic Inputs, XTAL1 Only2
VINL, Input Low Voltage
0.8
V
DVDD = 5V
0.4
V
DVDD = 3V
VINH, Input Low Voltage
3.5
V
DVDD = 5V
2.5
V
DVDD = 3V
XTAL1 Input Capacitance
18
pF
XTAL2 Output Capacitance
18
pF


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