MC9RS08KB12 Datasheet, PDF (29/48 Pages) Freescale Semiconductor, Inc – MCU Block Diagram

Electrical Characteristics
Table 14. 10-Bit ADC Operating Conditions (continued)
Characteristic
Conditions
Symb
Min
Typ¹
Max Unit Comment
ADC
conversion
clock Freq.
High speed (ADLPC=0)
Low power (ADLPC=1)
f_ADCK
0.4
—
8.0
MHz
0.4
—
4.0
1 _{Typical values assume VDDAD = 5.0 V, Temp = 25 °C, fADCK = 1.0 MHz unless otherwise stated. Typical values are}
for reference only and are not tested in production.
R_AS
V_AS
+
–
Z_AS
C_AS
+
V_ADIN
–
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
Pad
leakage
due to
input
protection
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
ADC SAR
ENGINE
INPUT PIN
INPUT PIN
INPUT PIN
R_ADIN
R_ADIN
R_ADIN
Figure 33. ADC Input Impedance Equivalency Diagram
C_ADIN
Table 15. 10-Bit ADC Characteristics (V_REFH = V_DDAD, V_REFL = V_SSAD)
C Characteristic
Conditions
Symb
Min
Typ¹
Max
Unit
T Supply Current
ADLPC = 1
ADLSMP = 1
ADCO = 1
T Supply Current
ADLPC = 1
ADLSMP = 0
ADCO = 1
T Supply Current
ADLPC = 0
ADLSMP = 1
ADCO = 1
I_DDAD
—
133
—
μA
I_DDAD
—
218
—
μA
I_DDAD
—
327
—
μA
Comment
MC9RS08KB12 Series MCU Data Sheet, Rev. 3
Freescale Semiconductor
29