MPC5644B View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

MFG CO.

MPC5644B

Microcontroller

Freescale Semiconductor 

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Table 43. Conversion characteristics (12-bit ADC_1) (continued)

Symbol

Parameter

Conditions1

Value

Min

Typ

CP2

CC ADC_1 input pin

—

1

capacitance 2

CP3

CC ADC_1 input pin

—

1.5

capacitance 3

RSW1 CC Internal resistance

—

of analog source

RSW2 CC Internal resistance

—

of analog source

RAD

CC Internal resistance

—

of analog source

IINJ

SR Input current

Current VDD = 3.3

5

—

Injection

injection V ± 10%

on one

ADC_1 VDD = 5.0

5

—

input,

V ± 10%

different

from the

converted

one

INLP CC Absolute Integral

No overload

1

non-linearity-Preci

se channels

INLX CC Absolute Integral

No overload

1.5

non-linearity-Exten

ded channels

DNL CC Absolute

No overload

0.5

Differential

non-linearity

OFS CC Absolute Offset —

2

error

GNE CC Absolute Gain error —

2

TUEP9 CC Total Unadjusted

Error for precise

channels, input

only pins

Without current

injection

6

With current injection

8

TUEX(9) CC Total Unadjusted

Error for extended

channel

Without current

10

injection

With current injection

12

1 VDD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified.

2 Analog and digital VSS_HV must be common (to be tied together externally).

Unit

Max

pF

pF

1

k

2

k

0.3

k

5

mA

5

3

LSB

5

LSB

1

LSB

LSB

LSB

6

8

10

LSB

12

LSB

MPC5646C Microcontroller Data Sheet, Rev. 3

Freescale Semiconductor

Preliminary—Subject to Change Without Notice

81

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