參數(shù)資料
型號: MC68HC05L25PB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP52
封裝: TQFP-52
文件頁數(shù): 49/152頁
文件大?。?/td> 897K
代理商: MC68HC05L25PB
Electrical Specifications
MC68HC05L25 Data Sheet, Rev. 3.1
142
Freescale Semiconductor
15.10 A/D Converter Characteristics
Characteristic
Symbol
Min
Max
Units
Comments
Resolution
8
Bit
Absolute Accuracy
VDD = 4.5 to 5.5 V
VDD = 3.0 to 3.6 V
——
± 1.5
± 3
LSB
Error includes quantization.
Conversion Range
VSS
VDD
V
ADC On Current Stabilization TIme
tADON
—100
s
RC Oscillator Stabilization Time
tRCON
—5
s
Conversion Time (Includes Sampling Time)
External Clock (MCU System Clock)
Internal RC Oscillator (ADRC = 1)
—32
32
tAD
s
tAD = tcyc if clock source equals MCU.
Monotonicity
Inherent Within Total Error
Zero Input Reading
00
01
Hex
VIN = 0 V
Ratiometric Reading
FF
Hex
VIN = VDD
Sample Acquisition Time
External Clock (MCU System Clock)
Internal RC Oscillator (ADRC = 1)
—12
12
tAD
s
Source impedances greater than 10
k
adversely affect internal RC
charging time during input
sampling.
tAD = tcyc if clock source equals MCU.
Input Capacitance
8
pF
Analog Input Voltage
VSS
VDD
V
Input Leakage
AD0 and AD1
± 400
nA
The external system error caused by
input leakage current is
approximately equal to the product
of R source and input current.
NOTES:
1.
VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = 0 °C to +70 °C, unless otherwise noted
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