参数资料
型号: USB-I2C/LIN-CONV-Z
厂商: Analog Devices Inc
文件页数: 8/104页
文件大小: 0K
描述: USB TO I2C/LIN CONV BOARD
标准包装: 1
附件类型: 适配器板
适用于相关产品: ARM7TDMI?
Data Sheet
ADuC7019/20/21/22/24/25/26/27/28/29
Rev. F | Page 11 of 104
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DAC AC CHARACTERISTICS
Voltage Output Settling Time
10
s
Digital-to-Analog Glitch Energy
±20
nV-sec
1 LSB change at major carry (where maximum
number of bits simultaneously changes in the
DACxDAT register)
COMPARATOR
Input Offset Voltage
±15
mV
Input Bias Current
1
A
Input Voltage Range
AGND
AVDD 1.2
V
Input Capacitance
7
pF
Hysteresis4, 6
2
15
mV
Hysteresis turned on or off via the CMPHYST bit in
the CMPCON register
Response Time
3
s
100 mV overdrive and configured with CMPRES = 11
TEMPERATURE SENSOR
Voltage Output at 25°C
780
mV
Voltage TC
1.3
mV/°C
Accuracy
±3
°C
POWER SUPPLY MONITOR (PSM)
IOVDD Trip Point Selection
2.79
V
Two selectable trip points
3.07
V
Power Supply Trip Point Accuracy
±2.5
%
Of the selected nominal trip point voltage
POWER-ON-RESET
2.36
V
GLITCH IMMUNITY ON RESET PIN4
50
s
WATCHDOG TIMER (WDT)
Timeout Period
0
512
sec
FLASH/EE MEMORY
Endurance9
10,000
Cycles
Data Retention10
20
Years
TJ = 85°C
DIGITAL INPUTS
All digital inputs excluding XCLKI and XCLKO
Logic 1 Input Current
±0.2
±1
A
VIH = IOVDD or VIH = 5 V
Logic 0 Input Current
40
60
A
VIL = 0 V; except TDI on
ADuC7019/20/21/22/24/25/29
80
120
A
VIL = 0 V; TDI on ADuC7019/20/21/22/24/25/29
Input Capacitance
10
pF
LOGIC INPUTS3
All logic inputs excluding XCLKI
VINL, Input Low Voltage
0.8
V
VINH, Input High Voltage
2.0
V
LOGIC OUTPUTS
All digital outputs excluding XCLKO
VOH, Output High Voltage
2.4
V
ISOURCE = 1.6 mA
VOL, Output Low Voltage11
0.4
V
ISINK = 1.6 mA
CRYSTAL INPUTS XCLKI and XCLKO
Logic Inputs, XCLKI Only
VINL, Input Low Voltage
1.1
V
VINH, Input High Voltage
1.7
V
XCLKI Input Capacitance
20
pF
XCLKO Output Capacitance
20
pF
INTERNAL OSCILLATOR
32.768
kHz
±3
%
±24
%
TA = 0°C to 85°C range
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