SPC560P34L1 datasheet(68/103 Pages) STMICROELECTRONICS

68 / 103 page

Electrical characteristics

SPC560P34L1, SPC560P34L3, SPC560P40L1, SPC560P40L3

68/103

Doc ID 16100 Rev 7

3.13

16 MHz RC oscillator electrical characteristics

3.14

Analog-to-digital converter (ADC) electrical characteristics

The device provides a 10-bit Successive Approximation Register (SAR) analog-to-digital

converter.

Figure 15.

ADC characteristics and error definitions

Table 29.

16 MHz RC oscillator electrical characteristics

Symbol

Parameter

Conditions

Value

Unit

Min

Typ

Max

fRC

P RC oscillator frequency

TA = 25 °C

—

MHz

RCMVAR

Fast internal RC oscillator variation over

temperature and supply with respect to fRC at

TA = 25 °C in high-frequency configuration

—

−5—

(2)

(1)

(3)

(4)

(5)

Offset Error (EO)

Gain Error (EG)

1 LSB (ideal)

1023

1022

1021

1020

1019

1018

1017 1018 1019 1020 1021 1022 1023

(1) Example of an actual transfer curve

(2) The ideal transfer curve

(3) Differential non-linearity error (DNL)

(4) Integral non-linearity error (INL)

(5) Center of a step of the actual transfer curve

1 LSB ideal = VDD_ADC / 1024

Vin(A) (LSBideal)

code out

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