MC9RS08KA8 Datasheet, PDF (22/40 Pages) Freescale Semiconductor, Inc – MCU Block Diagram

Electrical Characteristics
R_AS
V_AS
+
–
Z_AS
C_AS
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
+
V_ADIN
–
Pad
leakage
due to
input
protection
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 21. ADC Input Impedance Equivalency Diagram
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
Supply current
ADC asynchronous clock
source
Table 15. 10-bit ADC Characteristics
Conditions
C Symb
Min Typical¹ Max
T
I_DDAD
—
133
—
T
I_DDAD
—
218
—
T
I_DDAD
—
327
—
C
I_DDAD
—
0.582
1
Stop, reset, module off
T
I_DDAD
—
0.011
1
High speed (ADLPC = 0)
—
3.3
—
T
f_ADACK
Low power (ADLPC = 1)
—
2
—
Unit
μA
μA
μA
mA
μA
MHz
MC9RS08KA8 Series, Rev. 1
22
Preliminary—Subject to Change Without Notice
Freescale Semiconductor