ST7LITE49K2 datasheet(227/245 Pages) STMICROELECTRONICS

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ST7LITE49K2

Electrical characteristics

227/245

Figure 124. Typical application with ADC

Table 100.

ADC accuracy with VDD = 3.3 to 5.5 V

Symbol

(1)

Data based on characterization results over the whole temperature range.

Parameter

Conditions

Typ

Max

Unit

|ET|

Total unadjusted error

fCPU=8 MHz,

fADC=4 MHz

(1)

2.0

5.0

LSB

|EO|

Offset error

0.9

2.5

|EG|

Gain error

1.0

1.5

|ED|

Differential linearity error

1.2

3.5

|EL|

Integral linearity error

1.1

4.5

Table 101.

ADC accuracy with VDD = 2.7 to 3.3 V

Symbol

(1)

Data based on characterization results over the whole temperature range.

Parameter

Conditions

Typ

Max

Unit

|ET|

Total unadjusted error

fCPU= 4 MHz,

fADC= 2 MHz

(1)

1.9

3.0

LSB

|EO|

Offset error

0.9

1.5

|EG|

Gain error

0.8

1.4

|ED|

Differential linearity error

1.4

2.5

|EL|

Integral linearity error

1.1

2.5

Table 102.

ADC accuracy with VDD = 2.4 to 2.7 V

Symbol

(1)

Data based on characterization results at ambient temperature and above.

Parameter

Conditions

Typ

Max

Unit

|ET|

Total unadjusted error

fCPU= 2 MHz,

fADC=1 MHz

(1)

2.5

3.5

LSB

|EO|

Offset error

1.1

1.5

|EG|

Gain error

0.5

1.5

|ED|

Differential linearity error

1.1

2.5

|EL|

Integral linearity error

1.2

2.5

AINx

ST7xxx

VDD

±1

μA

0.6 V

CADC

VAIN

RAIN

10-Bit A/D

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