MC9RS08KA8_09 Datasheet, PDF (22/42 Pages) Freescale Semiconductor, Inc – MCU Block Diagram

Electrical Characteristics
Table 14. 5 Volt 10-bit ADC Operating Conditions (continued)
C
Characteristic
D
ADC conversion clock
frequency
Conditions
High Speed (ADLPC=0)
Low Power (ADLPC=1)
Symb
f_ADCK
Min.
0.4
0.4
Typical
—
—
Max.
8.0
8.0
Unit
MHz
R_AS
V_AS
+
–
Z_AS
C_AS
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
Pad
leakage
due to
input
protection
+
V_ADIN
–
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
ADC SAR
ENGINE
Characteristic
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
R_ADIN
INPUT PIN
R_ADIN
INPUT PIN
R_ADIN
INPUT PIN
C_ADIN
Figure 21. ADC Input Impedance Equivalency Diagram
Table 15. 10-bit ADC Characteristics
Conditions
C Symb
Min Typical¹ Max
Unit
—
T
I_DDAD
—
133
—
μA
—
T
I_DDAD
—
218
—
μA
—
T
I_DDAD
—
327
—
μA
—
C
I_DDAD
—
0.582
1
mA
MC9RS08KA8 Series MCU Data Sheet, Rev. 4
22
Freescale Semiconductor