MC908QY8CDWE Datasheet, PDF (221/232 Pages) Freescale Semiconductor, Inc – Addendum to MC68HC908QB8, rev. 3

18.13 ADC10 Characteristics
ADC10 Characteristics
Characteristic
Supply voltage
Supply Current
ADLPC = 1
ADLSMP = 1
ADCO = 1
Supply current
ADLPC = 1
ADLSMP = 0
ADCO = 1
Supply current
ADLPC = 0
ADLSMP = 1
ADCO = 1
Supply current
ADLPC = 0
ADLSMP = 0
ADCO = 1
ADC internal clock
Conversion time ⁽⁴⁾
10-bit Mode
Conversion time ⁽⁴⁾
8-bit Mode
Sample time
Input voltage
Input capacitance
Input impedance
Conditions
Absolute
V_DD < 3.3 V (3.0 V Typ)
V_DD < 5.5 V (5.0 V Typ)
Symbol Min _Typ⁽¹⁾ Max
V_DD
2.7
—
5.5
—
55
—
I_DD(2)
—
75
—
V_DD < 3.3 V (3.0 V Typ)
V_DD < 5.5 V (5.0 V Typ)
— 120 —
I_DD(2)
— 175 —
V_DD < 3.3 V (3.0 V Typ)
V_DD < 5.5 V (5.0 V Typ)
— 140 —
I_DD(2)
— 180 —
V_DD < 3.3 V (3.0 V Typ)
V_DD < 5.5 V (5.0 V Typ)
— 340
I_DD(2)
— 440
High speed (ADLPC = 0)
Low power (ADLPC = 1)
0.40⁽³⁾ —
f_{ADCK 0.40(3)}
—
Short sample (ADLSMP = 0)
19
19
t_ADC
Long sample (ADLSMP = 1)
39
39
Short sample (ADLSMP = 0)
16
16
Long sample (ADLSMP = 1)
t_ADC
36
36
Short sample (ADLSMP = 0)
4
4
t_ADS
Long sample (ADLSMP = 1)
24
24
V_ADIN
V_SS
—
C_ADIN
—
7
R_ADIN
—
5
—
615
2.00
1.00
21
41
18
38
4
24
V_DD
10
15
Unit
V
μA
μA
μA
μA
MHz
t_ADCK
cycles
t_ADCK
cycles
t_ADCK
cycles
V
pF
kΩ
Analog source impedance
R_AS
—
—
10
kΩ
Ideal resolution (1 LSB)
Total unadjusted error
Differential non-linearity
10-bit mode
8-bit mode
10-bit mode
8-bit mode
10-bit mode
8-bit mode
1.758 5 5.371
RES
mV
7.031 20 21.48
0 ±1.5 ±2.5
E_TUE
0 ±0.7 ±1.0
LSB
0 ±0.5 —
DNL
LSB
0 ±0.3 —
Monotonicity and no-missing-codes guaranteed
Comment
t_ADCK = 1/f_ADCK
Not tested
Not tested
External to
MCU
V_REFH/2^N
Includes
quantization
— Continued on next page
MC68HC908QB8 Data Sheet, Rev. 3
Freescale Semiconductor
219