MC68HC705MC4 Datasheet, PDF (96/99 Pages) Motorola, Inc – Microcontrollers

MC68HC705MC4 Specification Rev. 1.5
12.4 A/D CONVERTER CHARACTERISTICS
(VDD = 5.0 Vdc ±10%, VSS = 0 Vdc, TA = -40°C to +TBD°C, unless otherwise noted)
Characteristic
Min
Max
Unit
Resolution
8
8
Bits
Absolute Accuracy
(VDD ≥ VREFH > 4.0)
Conversion Range
VREFH
—
±1 1/2
LSB
VSS
VREFH
V
VSS
VDD
V
Comments
Including quantization
A/D accuracy may decrease
proportionately as V_REFH is
reduced below 4.0
Input Leakage
AD0, AD1, AD2, AD3, AD4, AD5
VREFH
Conversion Time
(Includes Sampling Time)
Monotonicity
Zero Input Reading
Full-scale Reading
Sample Time
Input Capacitance
Analog Input Voltage
*t_AD = t_CYC if clock source equals MCU.
—
—
32
00
FE
12
—
VSS
±1
µA
±1
µA
32
tAD*
Inherent (Within Total Error)
01
Hex
FF
Hex
12
tAD*
12
pF
V_IN = 0V
V_IN = V_REFH
VREFH
V
Section 12: Electrical Specifications
MOTOROLA
Page 87