MC68HC08GZ32 Datasheet, PDF (301/320 Pages) Freescale Semiconductor, Inc – Microcontrollers

21.10 5.0-Volt ADC Characteristics
5.0-Volt ADC Characteristics
Characteristic⁽¹⁾
Symbol
Min
Max
Unit
Supply voltage
V_DDAD
4.5
5.5
V
Input voltages
Resolution
Absolute accuracy
ADC internal clock
Conversion range
Power-up time
Conversion time
Sample time
Monotonicity
Zero input reading
Full-scale reading
Input capacitance
V_DDAD/V_REFH current
Absolute accuracy
(8-bit truncation mode)
Quantization error
(8-bit truncation mode)
V_ADIN
B_AD
A_AD
f_ADIC
R_AD
t_ADPU
t_ADC
t_ADS
M_AD
Z_ADI
F_ADI
C_ADI
I_VREF
A_AD
—
0
10
–4
500 k
V_SSAD
16
16
5
000
3FC
—
—
–1
–1/8
V_DDAD
10
+4
1.048 M
V_DDAD
—
17
—
003
3FF
30
1.6
+1
V
Bits
LSB
Hz
V
t_AIC cycles
t_AIC cycles
t_AIC cycles
Guaranteed
Hex
Hex
pF
mA
LSB
+7/8
LSB
1. V_DD = 5.0 Vdc ± 10%, V_SS = 0 Vdc, V_DDAD/V_REFH = 5.0 Vdc ± 10%, V_SSAD/V_REFL = 0 Vdc
Comments
V_DDAD should be tied to
the same potential as V_DD
via separate traces.
V_ADIN <= V_DDAD
Includes quantization
t_AIC = 1/f_ADIC
V_ADIN = V_SSA
V_ADIN = V_DDA
Not tested
Includes quantization
MC68HC08GZ32 Data Sheet, Rev. 3
Freescale Semiconductor
301