SLAS787B datasheet(17/52 Pages) TI2

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0.0

1.0

2.0

3.0

4.0

5.0

1.5

2.0

2.5

3.0

3.5

4.0

VCC − Supply Voltage − V

fDCO = 1 MHz

fDCO = 8 MHz

fDCO = 12 MHz

fDCO = 16 MHz

0.0

1.0

2.0

3.0

4.0

0.0

4.0

8.0

12.0

16.0

fDCO − DCO Frequency − MHz

TA = 25 °C

TA = 85 °C

VCC = 2.2 V

VCC = 3 V

TA = 25 °C

TA = 85 °C

MSP430G2231-Q1

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SLAS787B – NOVEMBER 2011 – REVISED MARCH 2014

9.3 Active Mode Supply Current Into VCC Excluding External Current

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

(1) (2)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

fDCO = fMCLK = fSMCLK = 1 MHz,

2.2 V

220

fACLK = 32768 Hz,

Program executes in flash,

Active mode (AM)

IAM,1MHz

BCSCTL1 = CALBC1_1MHZ,

µA

current (1 MHz)

3 V

300

370

DCOCTL = CALDCO_1MHZ,

CPUOFF = 0, SCG0 = 0, SCG1 = 0,

OSCOFF = 0

(1)

All inputs are tied to 0 V or to VCC. Outputs do not source or sink any current.

(2)

The currents are characterized with a Micro Crystal CC4V-T1A SMD crystal with a load capacitance of 9 pF. The internal and external

load capacitance is chosen to closely match the required 9 pF.

9.4 Typical Characteristics – Active Mode Supply Current (Into VCC)

Figure 3. Active Mode Current vs Supply Voltage, TA = 25°C

Figure 4. Active Mode Current vs DCO Frequency

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