ST7DALIF2 datasheet(137/171 Pages) STMICROELECTRONICS

137 / 171 page

ST7DALIF2

Electrical characteristics

137/171

Figure 65.

Typical IDD in Wait vs. fCPU

Figure 66.

Typical IDD in Slow-Wait vs. fCPU

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Vdd (V)

8Mhz

4Mhz

1MHz

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Vdd (V)

250KHz

125KHz

62.5Khz

Figure 67.

Typical IDD in AWUFH mode

at TA=25°C

Figure 68.

Typical IDD vs. Temperature

at VDD = 5 V and fCPU = 8 MHz

0.000

0.005

0.010

0.015

0.020

0.025

0.030

0.035

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Vdd(V)

fawu_rc ~125 KHz

2.0

3.0

4.0

5.0

6.0

7.0

8.0

2.4

2.8

3.2

3.6

4.4

4.8

5.2

5.6

Vdd (V)

25°

-45°

90°

130°

Table 73.

On-chip peripherals

Symbol

Parameter

Conditions

Typ

Unit

IDD(AT) 12-bit Auto-Reload Timer supply current

(1)

Data based on a differential IDD measurement between reset configuration (timer stopped) and a timer

running in PWM mode at fcpu=8MHz.

fCPU=4 MHz VDD=3.0 V

300

μA

fCPU=8 MHz VDD=5.0 V

1000

IDD(SPI) SPI supply current

(2)

Data based on a differential IDD measurement between reset configuration and a permanent SPI master

communication (data sent equal to 55h)

fCPU=4 MHz VDD=3.0 V

fCPU=8 MHz VDD=5.0 V

300

IDD(ADC) ADC supply current when converting

(3)

Data based on a differential IDD measurement between reset configuration and continuous A/D

conversions with amplifier off.

fADC=4 MHz

VDD=3.0 V

250

VDD=5.0 V

1100

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