MC9S08AC128CFGE datasheet(21/40 Pages) FREESCALE

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Chapter 3 Electrical Characteristics and Timing Specifications

MC9S08AC128 MCU Series Data Sheet, Rev. 2

Freescale Semiconductor

3.8

ADC Characteristics

Table 3-8. 5 Volt 10-bit ADC Operating Conditions

Characteristic

Conditions

Symb

Min

Typ1

1 Typical values assume V

DDAD = 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.

Max

Unit

Supply voltage

Absolute

VDDAD

2.7

—

5.5

Delta to VDD (VDD–VDDAD)

2 dc potential difference.

ΔV

DDAD

–100

+100

Ground voltage

Delta to VSS (VSS–VSSAD)

ΔV

SSAD

–100

+100

Ref voltage high

VREFH

2.7

VDDAD

Ref voltage low

VREFL

VSSAD

Supply current

Stop, reset, module off

IDDAD

—

0.011

μA

Input voltage

VADIN

VREFL

—VREFH

Input capacitance

CADIN

—4.5

5.5

Input resistance

RADIN

—3

Analog source resistance

External to MCU

10-bit mode

fADCK > 4MHz

fADCK < 4MHz

RAS

—

8-bit mode (all valid fADCK)—

—

ADC conversion clock frequency

High speed (ADLPC = 0)

fADCK

0.4

—

8.0

MHz

Low power (ADLPC = 1)

0.4

—

4.0

Temp Sensor

Slope

–40

°C to 25°C

—

3.266

—

mV/

°C to 125°C

3.638

—

Temp Sensor

Voltage

°CV

TEMP25

—

1.396

—

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