MC9S08QB4 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MC9S08QB4

8-Bit HCS08 Central Processor Unit

Freescale Semiconductor 

Electrical Characteristics

3.11 Analog Comparator (ACMP) Electricals

Table 14. Analog Comparator Electrical Specifications

C

Characteristic

D Supply voltage

D Supply current (active)

D Analog input voltage

P Analog input offset voltage

C Analog comparator hysteresis

P Analog input leakage current

C Analog comparator initialization delay

Symbol

VPWR

IDDAC

VAIN

VAIO

VH

IALKG

tAINIT

Min

1.8

—

VSS – 0.3

—

3.0

—

—

Typical

—

20

—

20

9.0

—

—

Max

Unit

3.6

V

35

μA

VDD

V

40

mV

15.0

mV

1.0

μA

1.0

μs

3.12 ADC Characteristics

Table 15. 12-Bit ADC Operating Conditions

Characteristic

Conditions

Symbol Min

Typical1

Max

Unit

Comment

Absolute

VDDA

1.8

—

Supply voltage Delta to VDD (VDD – VDDA)2

ΔVDDA

–100

0

3.6

V

100

mV

Ground voltage

Supply Current

Delta to VSS (VSS – VSSA)2

Stop, Reset, Module Off

Input Voltage

Input

Capacitance

ΔVSSA

IDDAD

VADIN

CADIN

–100

—

VREFL

—

0

0.007

—

4.5

100

mV

0.8

μA

VREFH

V

5.5

pF

Input

Resistance

RADIN

—

5

7

kΩ

12 bit mode

fADCK > 4MHz

fADCK < 4MHz

—

—

2

—

—

5

Analog Source

Resistance

10 bit mode

fADCK > 4MHz

RAS

—

—

kΩ

External to MCU

5

fADCK < 4MHz

—

—

10

8 bit mode (all valid fADCK)

—

—

10

ADC

High Speed (ADLPC = 0)

0.4

—

8.0

Conversion

fADCK

MHz

Clock Freq.

Low Power (ADLPC = 1)

0.4

—

4.0

1 Typical values assume VDDA = 3.0 V, Temp = 25 °C, fADCK = 1.0 MHz unless otherwise stated. Typical values are for reference

only and are not tested in production.

2 DC potential difference.

MC9S08QB8 Series MCU Data Sheet, Rev. 3

20

Freescale Semiconductor

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