STM32F405 datasheet(80/204 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F405xx, STM32F407xx

80/203

DS8626 Rev 9

V12

Regulator ON:

1.2 V internal voltage on

VCAP_1/VCAP_2 pins

VOS bit in PWR_CR register = 0(1)

Max frequency 144MHz

1.08

1.14

1.20

VOS bit in PWR_CR register= 1

Max frequency 168MHz

1.20

1.26

1.32

Regulator OFF:

1.2 V external voltage must be

supplied from external regulator

on VCAP_1/VCAP_2 pins

Max frequency 144MHz

1.10

1.14

1.20

Max frequency 168MHz

1.20

1.26

1.30

VIN

Input voltage on RST and FT

pins(6)

2 V ≤ VDD ≤ 3.6 V

–0.3

5.5

VDD ≤ 2 V

–0.3

5.2

Input voltage on TTa pins

–0.3

VDDA+

0.3

Input voltage on B pin

5.5

Power dissipation at TA = 85 °C

for suffix 6 or TA = 105 °C for

suffix 7(7)

LQFP64

435

LQFP100

465

LQFP144

500

LQFP176

526

UFBGA176

513

WLCSP90

543

Ambient temperature for 6 suffix

version

Maximum power dissipation

–40

°C

Low-power dissipation(8)

–40

105

Ambient temperature for 7 suffix

version

Maximum power dissipation

–40

105

°C

Low-power dissipation(8)

–40

125

Junction temperature range

6 suffix version

–40

105

°C

7 suffix version

–40

125

1. The average expected gain in power consumption when VOS = 0 compared to VOS = 1 is around 10% for the whole

temperature range, when the system clock frequency is between 30 and 144 MHz.

2. VDD/VDDA minimum value of 1.7 V is obtained when the device operates in reduced temperature range, and with the use of

an external power supply supervisor (refer to Section : Internal reset OFF).

3. When the ADC is used, refer to Table 67: ADC characteristics.

4. If VREF+ pin is present, it must respect the following condition: VDDA-VREF+ < 1.2 V.

5. It is recommended to power VDD and VDDA from the same source. A maximum difference of 300 mV between VDD and

VDDA can be tolerated during power-up and power-down operation.

6. To sustain a voltage higher than VDD+0.3, the internal pull-up and pull-down resistors must be disabled.

7. If TA is lower, higher PD values are allowed as long as TJ does not exceed TJmax.

8. In low-power dissipation state, TA can be extended to this range as long as TJ does not exceed TJmax.

Table 14. General operating conditions (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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