MC9RS08LA8 Datasheet, PDF (21/34 Pages) Freescale Semiconductor, Inc – MCU Block Diagram

R_AS
V_AS
+
–
Z_AS
C_AS
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
+
V_ADIN
–
Pad
leakage
due to
input
protection
Electrical Characteristics
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
ADC SAR
ENGINE
R_ADIN
INPUT PIN
R_ADIN
INPUT PIN
R_ADIN
INPUT PIN
C_ADIN
Figure 14. ADC Input Impedance Equivalency Diagram
Table 15. 10-bit ADC Characteristics (V_REFH = V_DDAD, V_REFL = V_SSAD)
Characteristic
Conditions
C Symbol Min Typical¹ Max
Supply current
ADLPC=1
ADLSMP=1
ADCO=1
T
I_DDAD
—
133
—
Supply current
ADLPC=1
ADLSMP=0
ADCO=1
T
I_DDAD
—
218
—
Supply current
ADLPC=0
ADLSMP=1
ADCO=1
T
I_DDAD
—
327
—
Supply current
ADLPC=0
ADLSMP=0
ADCO=1
V_DDAD ≤ 5.5 V
P
I_DDAD
—
0.582
1
Supply current
ADC asynchronous clock
source
Stop, Reset, Module Off
High Speed (ADLPC = 0)
Low Power (ADLPC = 1)
I_DDAD
—
0.011
1
2
3.3
5
P
f_ADACK
1.25
2
3.3
Unit
μA
μA
μA
mA
μA
MHz
MC9RS08LA8 Series MCU Data Sheet, Rev. 1
Freescale Semiconductor
21