STM32H742AI datasheet(168/357 Pages) STMICROELECTRONICS

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Electrical characteristics (rev Y)

STM32H742xI/G STM32H743xI/G

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DS12110 Rev 10

6.3.19

Delay block (DLYB) characteristics

Unless otherwise specified, the parameters given in Table 87 for the delay block are derived

from tests performed under the ambient temperature, frcc_c_ck frequency and VDD supply

voltage summarized in Table 24: General operating conditions.

6.3.20

16-bit ADC characteristics

Unless otherwise specified, the parameters given in Table 87 are derived from tests

performed under the ambient temperature, fPCLK2 frequency and VDDA supply voltage

conditions summarized in Table 24: General operating conditions.

Table 86. Dynamics characteristics: Delay Block characteristics(1)

1. Guaranteed by characterization results.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tinit

Initial delay

1400

2200

2400

t∆

Unit Delay

Table 87. ADC characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog power supply

1.62

3.6

VREF+

Positive reference voltage

VDDA ≥ 2 V

VDDA

VDDA< 2 V

VDDA

VREF-

Negative reference voltage

VSSA

fADC

ADC clock frequency

2 V

≤ VDDA ≤ 3.3 V

BOOST = 1

MHz

BOOST = 0

Sampling rate for Fast

channels, BOOST = 1,

fADC = 36 MHz(2)

16-bit resolution

3.60(2)

MSPS

14-bit resolution

4.00(2)

12-bit resolution

4.50(2)

10-bit resolution

5.00(2)

8-bit resolution

6.00(2)

Sampling rate for Fast

channels, BOOST = 0,

fADC = 20 MHz

16-bit resolution

2.00(2)

14-bit resolution

2.20(2)

12-bit resolution

2.50(2)

10-bit resolution

2.80(2)

8-bit resolution

3.30(2)

Sampling rate for Slow

channels, BOOST = 0,

fADC = 10 MHz

16-bit resolution

1.00

14-bit resolution

1.00

12-bit resolution

1.00

10-bit resolution

1.00

8-bit resolution

1.00

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