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ADuCM331WDCPZ Datasheet(PDF) 6 Page - Analog Devices

Part # ADuCM331WDCPZ
Description  Dual channel, simultaneous sampling
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADuCM331WDCPZ Datasheet(HTML) 6 Page - Analog Devices

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ADuCM330/ADuCM331
Data Sheet
Rev. C | Page 6 of 16
TA = −40°C to +115°C
TA = +115°C to
+125°C1
Parameter
Test Conditions/Comments
Min
Typ
Max
Typ
Unit
ADC DIAGNOSTICS
AVDD18/136 Accuracy1,2, 17
At any gain setting
12
14
13
mV
Voltage Attenuator Current
Source Accuracy
Differential voltage increase on the
attenuator when current is on
2.4
3.2
2.8
V
RESISTIVE ATTENUATOR
Divider Ratio
24
Resistor Mismatch Drift
Implicit in the voltage channel gain error
specification
±3
ppm/°C
ADC GROUND SWITCH
Resistor to Ground
45
60
75
kΩ
TEMPERATURE SENSOR1, 18
Processor in hibernate mode
Accuracy
TA = 115°C to 125°C
−3.5
±1
+3.5
±1
°C
TA = −40°C to +115°C
−3
±1
+3
°C
TA = −25°C to +85°C
−2.5
±0.5
+2.5
°C
TA = −10°C to +55°C
−2
±0.5
+2
°C
POWER-ON RESET (POR)1
Refers to voltage at the VDD pin
POR Trip Level
2.8
3.1
3.4
3.3
V
POR Hysteresis
0.1
V
LOW VOLTAGE FLAG (LVF)
LVF Level
Refers to voltage at the VDD pin
2.6
2.75
3.00
V
WATCHDOG TIMER (WDT)
Shortest Timeout Period
32,768 Hz clock with a prescaler of 1
30.5
30.5
µs
Longest Timeout Period
32,768 Hz clock with a prescaler of 4096
8192
8192
sec
FLASH/EE MEMORY
Endurance19
10,000
Cycles
Data Retention20
20
Years
LOGIC INPUTS1
Input Voltage
Low, VINL
0.4
V
High, VINH
2.0
V
LOGIC OUTPUTS1
All logic outputs, measured with
±1 mA load
Output Voltage
High, VOH
33VDD −
0.4
V
Low, VOL
0.4
V
DIGITAL INPUTS1
All digital inputs except RESET,
SWDIO, and SWCLK
Logic 1 Input Current (Leakage
Current)
VINH = 3.3 V
±1
±10
µA
Logic 0 Input Current (Leakage
Current)
VINL = 0 V
±1
±10
µA
Input Capacitance
10
pF
ON-CHIP OSCILLATORS
Low Frequency Oscillator
(LFOSC)
32,768
Hz
Accuracy
±5
%
After a calibration from HFOSC
−6
+6
%
High Frequency Oscillator
(HFOSC)
16.384
MHz
Accuracy (LINCAL)1, 21
−0.75
±0.5
+0.75
%
Accuracy (High Precision
Mode)
−1
+1
%
Accuracy (Low Precision
Mode)
−3
+3
%



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