STM32F407IG datasheet(66/167 Pages) STMICROELECTRONICS

66 / 167 page

Electrical characteristics

STM32F405xx, STM32F407xx

66/167

Doc ID 022152 Rev 2

VCAP1

When the internal regulator is ON,

VCAP_1 and VCAP_2 pins are used to

connect a stabilization capacitor.

When the internal regulator is OFF

(BYPASS_REG connected to VDD),

VCAP_1 and VCAP_2 must be supplied

from 1.2 V.

1.1

1.3

VCAP2

Power dissipation at TA = 85 °C for

suffix 6 or TA = 105 °C for suffix 7

(6)

LQFP64

435

LQFP100

465

LQFP144

500

LQFP176

526

UFBGA176

513

Ambient temperature for 6 suffix

version

Maximum power dissipation

–40

°C

Low power dissipation(7)

–40

105

Ambient temperature for 7 suffix

version

Maximum power dissipation

–40

105

°C

Low power dissipation(7)

–40

125

Junction temperature range

6 suffix version

–40

105

°C

7 suffix version

–40

125

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.

If an inverted reset signal is applied to PDR_ON, this value can be lowered to 1.7 V when the device operates in a reduced

temperature range (0 to 70 °C).

When the ADC is used, refer to Table 65: ADC characteristics.

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

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.

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

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

Table 11.

General operating conditions (continued)

Symbol

Parameter

Conditions

Min

Max

Unit

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