MC9S08PT60 Datasheet, PDF (22/37 Pages) Freescale Semiconductor, Inc – MC9S08PT60

Peripheral operating requirements and behaviors
6.3.1 ADC characteristics
Table 11. 5 V 12-bit ADC operating conditions
Characteristic
Supply voltage
Conditions
Absolute
Ground voltage
Input voltage
Delta to V_DD (V_DD-V_DDAD)
Delta to V_SS (V_SS-V_SSA)³
Input
capacitance
Input resistance
Analog source
resistance
ADC conversion
clock frequency
12-bit mode
f_ADCK > 4 MHz
f_ADCK < 4 MHz
10-bit mode
f_ADCK > 4MHz
f_ADCK < 4MHz
8-bit mode
(all valid f_ADCK)
High Speed (ADLPC=0)
Low Power (ADLPC=1)
Symb
V_DDA
ΔV_DDA
ΔV_SSA
V_ADIN
C_ADIN
R_ADIN
R_AS
f_ADCK
Min
2.7
-100
-100
V_REFL
—
—
—
—
—
—
—
0.4
0.4
Typ¹
—
0
0
—
4.5
3
—
—
Max
5.5
+100
+100
V_REFH
5.5
Unit
V
mV
mV
V
pF
Comment
—
—
—
5
kΩ
—
kΩ External to MCU
2
5
—
5
—
10
—
10
—
8.0
MHz
—
—
4.0
1. Typical values assume V_DDA = 5.0 V, Temp = 25°C, f_ADCK=1.0 MHz unless otherwise stated. Typical values are for
reference only and are not tested in production.
2. DC potential difference.
MC9S08PT60 Series Data Sheet, Rev. 3, 4/2012.
22
Freescale Semiconductor, Inc.