CYT4DNJBJS datasheet(121/209 Pages) INFINEON

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Datasheet

121

002-24601 Rev. *I

2023-02-14

TRAVEO™ T2G 32-bit Automotive MCU

Based on Arm® Cortex®-M7 dual

Electrical specifications

26.5

Analog peripherals

26.5.1

SAR ADC

Figure 26-4

ADC characteristics and error descriptions

Table 26-6

12-bit SAR ADC DC specifications

Spec ID Parameter

Description

Min

Typ

Max

Units

Details/conditions

SID100 A_RES

SAR ADC resolution

–

bits

SID101 VA_INV

Input voltage range

VREFL

–VREFH

SID102 VREFH

SAR ADC HIGH reference

voltage range

2.7

–

VDDA_ADC

ADC performance

degrades when high

reference is higher than

supply

SID103 VREFL

SAR ADC LOW reference

voltage range

VSSA_ADC

–VSSA_ADC

ADC performance

degrades when low

reference is lower than

ground

SID103A VBAND_GAP Internal band gap

reference voltage

0.882

0.9

0.918

0xFFF

0xFFE

0xFFD

0x001

0x002

0x003

Analog input

VREFL

VREFH

Actual conversion

characteristics

Actual conversion

characteristics

Ideal

characteristics

0.5 LSb

1.5 LSb

VNT

1 LSb (N - 1) + 0.5 LSb

Total error of digital output N = ( VNT {1 LSb × (N – 1) + 0.5 LSb} ) / 1 LSb

[LSb]

1 LSb (Ideal value) = (VREFH – VREFL) / 4096

[V]

N: A/D converter digital output value

VZT (Ideal value): VREFL + 0.5 LSb [V]

VFST (Ideal value): VREFH – 1.5 LSb [V]

VNT: Voltage at which the digital output changes from N – 1 to N

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