MPC5645S datasheet(94/146 Pages) FREESCALE

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Qorivva MPC5645S Microcontroller Data Sheet, Rev. 8

Freescale Semiconductor

Table 45. ADC electrical characteristics

Symbol

Parameter

Conditions1

Value2

Unit

SpecID

Min

Typ

Max

VSSA

D Voltage on VSSA (ADC

reference) pin with re-

spect to ground (VSS)

—

-0.1

—

0.1

D15.1

VDDA

D Voltage on VDDA pin

(ADC reference) with re-

spect to ground (VSS)

—VDDE_A–0.1

—

VDDE_A+0.1

D15.2

VAINx

D Analog input voltage4

—VSSA-0.1

—

VDDA+0.1

D15.3

fADC

D ADC analog frequency

—

MHz

D15.4

tADC_PU SR D ADC power up delay

—

1.5

µs

D15.5

tADC_S CC

T Sample time6

fADC = 32 MHz,

ADC_conf_sample_input =

0.5

—

µs

D15.6

fADC = 6 MHz,

ADC_conf_sample_input =

127

——

tADC_C CC

T Conversion time7

fADC = 32 MHz,

ADC_conf_comp = 2

0.625

—

µs

D15.7

CC5 D ADC input sampling

capacitance

—

D15.8

CP1

CC5 D ADC input pin

capacitance 1

—

D15.9

CP2

CC5 D ADC input pin

capacitance 2

—

D15.10

CP3

CC5 D ADC input pin

capacitance 3

—

D15.11

RSW1

CC5 D Internal resistance of

analog source

—



D15.12

RSW2

CC5 D Internal resistance of

analog source

—



D15.13

RAD

CC5 D Internal resistance of

analog source

—

0.1



D15.14

IINJ

T Input current Injection

Current injection on one

ADC input, different from

the converted one

-10

—

D15.15

INL

CC5 P Integral Non Linearity

No overload

-1.5

—

1.5

LSB

D15.16

DNL

CC5 P Differential Non Linearity

No overload

-1.0

—

1.0

LSB

D15.17

OFS

CC5 T Offset error

After offset cancellation

—

0.5

—

LSB

D15.18

GNE

CC5 T Gain error

—

0.6

—

LSB

D15.19

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