MC908MR16CFUE Datasheet, PDF (274/282 Pages) Freescale Semiconductor, Inc – On-chip programming firmware for use with host personal computer, Clock generator module (CGM)

Electrical Specifications
19.13 Analog-to-Digital Converter (ADC) Characteristics
Characteristic
Supply voltage
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_REFH/V_REFL current
Absolute accuracy
(8-bit truncation mode)
Quantization error
(8-bit truncation mode)
Symbol
Min
Typ
Max
Unit
Notes
V_DDAD
4.5
—
5.5
V_DDAD should be tied to
V
the same potential as
V_DD via separate traces
V_ADIN
0
—
V_DDAD
V
V_ADIN <= V_DDAD
B_AD
10
—
10
Bits
A_AD
—
—
±4
LSB
Includes quantization
f_ADIC
500 k
—
1.048 M
Hz
t_AIC = 1/f_ADIC
R_AD
V_SSAD
—
V_DDAD
V
t_ADPU
16
—
—
t_AIC cycles
t_ADC
16
—
17
t_AIC cycles
t_ADS
5
—
—
t_AIC cycles
M_AD
Guaranteed
Z_ADI
000
—
003
Hex
V_ADIN = V_SSAD
F_ADI
3FC
—
3FF
Hex
V_ADIN = V_DDAD
C_ADI
—
—
30
pF
Not tested
I_VREF
—
1.6
—
mA
A_AD
—
—
±1
LSB
Includes quantization
—
—
—
+ 7/8
– 1/8
LSB
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
274
Freescale Semiconductor