STM8AF6213 datasheet(87/106 Pages) STMICROELECTRONICS

номер детали	STM8AF6213

подробное описание детали	Automotive 8-bit MCU, with up to 8 Kbyte Flash, data EEPROM, 10-bit ADC, timers, LIN, SPI, IC, 3 to 5.5 V

PDF	106 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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87 / 106 page

DocID025118 Rev 5

87/106

STM8AF6213/23/23A/26

Electrical characteristics

103

Table 55. ADC accuracy with RAIN < 10 kΩ, VDD = 5 V

Symbol

Parameter

Conditions

Typ

Max(1)

1. Max value is based on characterization, not tested in production.

Unit

|ET|

Total unadjusted error(2)

2. ADC accuracy vs. negative injection current: Injecting negative current on any of the analog input pins

should be avoided as this significantly reduces the accuracy of the conversion being performed on another

analog input. It is recommended to add a Schottky diode (pin to ground) to standard analog pins which may

potentially inject negative current. Any positive injection current within the limits specified for IINJ(PIN) and

IINJ(PIN) in the I/O port pin characteristics section does not affect the ADC accuracy.

fADC = 2 MHz

1.6

3.5

LSB

fADC = 4 MHz

2.2

fADC = 6 MHz

2.4

4.5

|EO|

Offset error(2)

fADC = 2 MHz

1.1

2.5

fADC = 4 MHz

1.5

fADC = 6 MHz

1.8

|EG|

Gain error(2)

fADC = 2 MHz

1.5

fADC = 4 MHz

2.1

fADC = 6 MHz

2.2

|ED|

Differential linearity error(2)

fADC = 2 MHz

0.7

1.5

fADC = 4 MHz

0.7

1.5

fADC = 6 MHz

0.7

1.5

|EL|

Integral linearity error(2)

fADC = 2 MHz

0.6

1.5

fADC = 4 MHz

0.8

fADC = 6 MHz

0.8

Table 56. ADC accuracy with RAIN < 10 kΩ, VDD = 3.3 V

Symbol

Parameter

Conditions

Typ

Max(1)

1. Max value is based on characterization, not tested in production.

Unit

|ET|

Total unadjusted error

fADC = 2 MHz

1.6

3.5

LSB

fADC = 4 MHz

1.9

|EO|

Offset error

fADC = 2 MHz

12.5

fADC = 4 MHz

1.5

2.5

|EG|

Gain error

fADC = 2 MHz

1.3

fADC = 4 MHz

|ED|

Differential linearity error

fADC = 2 MHz

0.7

fADC = 4 MHz

0.7

1.5

|EL|

Integral linearity error

fADC = 2 MHz

0.6

1.5

fADC = 4 MHz

0.8

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