参数资料
型号: MC68HC705P6AS
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封装: PLASTIC, SDIP-28
文件页数: 26/130页
文件大小: 1541K
代理商: MC68HC705P6AS
Electrical Specifications
A/D Converter Characteristics
MC68HC705P6A — Rev. 2.0
Advance Information
MOTOROLA
Electrical Specifications
121
14.8 A/D Converter Characteristics
Characteristic(1)
1. VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = –40°C to +85°C, unless otherwise noted.
Min
Max
Unit
Comments
Resolution
8
Bits
Absolute accuacy
(VDD ≥ VREFH > 4.0)
± 1 1/2
LSB
Including quanitization
Conversion range
VREFH
VSS
VREFH
VDD
V
A/D accuracy may decrease
proportionately as VREFH is
reduced below 4.0
Input leakage
AD0, AD1, AD2, AD3
VREFH
± 1
A
Conversion time
MCU external oscillator
Internal RC oscillator
32
tcyc
s
Includes sampling time
Monotonicity
Inherent (within total error)
Zero input reading
00
01
Hex
Vin = 0 V
Full-scale reading
FE
FF
Hex
Vin = VREFH
Sample time
MCU external oscillator
Internal RC oscillator
12
tcyc
s
Input capacitance
12
pF
Analog input voltage
VSS
VREFH
V
A/D on current stabilization time
100
s
tADON
A/D ports hi-z leakage current (PC3:7)
± 1
A
IOZ
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