MC68HC705P6A Datasheet, PDF (121/130 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Electrical Specifications
A/D Converter Characteristics
14.8 A/D Converter Characteristics
Characteristic⁽¹⁾
Min
Max
Unit
Comments
Resolution
8
8
Bits
Absolute accuacy
(V_DD ≥ V_REFH > 4.0)
—
± 1 1/2
LSB Including quanitization
Conversion range
V_REFH
V_SS
V_SS
V_REFH
V_DD
A/D accuracy may decrease
V
proportionately as V_REFH is
reduced below 4.0
Input leakage
AD0, AD1, AD2, AD3
V_REFH
—
±1
µA
—
±1
Conversion time
MCU external oscillator
Internal RC oscillator
—
32
t_cyc
Includes sampling time
—
32
µs
Monotonicity
Inherent (within total error)
Zero input reading
00
01
Hex
V_in = 0 V
Full-scale reading
FE
FF
Hex
V_in = V_REFH
Sample time
MCU external oscillator
Internal RC oscillator
—
12
t_cyc
—
12
µs
Input capacitance
—
12
pF
Analog input voltage
V_SS
V_REFH
V
A/D on current stabilization time
—
100
µs
t_ADON
A/D ports hi-z leakage current (PC3:7)
—
±1
µA
I_OZ
1. V_DD = 5.0 Vdc ± 10%, V_SS = 0 Vdc, T_A = –40°C to +85°C, unless otherwise noted.
MC68HC705P6A — Rev. 2.0
MOTOROLA
Electrical Specifications
Advance Information
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