STW5098 datasheet(61/86 Pages) STMICROELECTRONICS

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Operative ranges

STw5098

60/85

9.3

Power dissipation

Unless otherwise specified, VCCP =VCCLS =VCCA = 2.7V to 3.3V, VCCIO =VCC = 1.71V to

2.7V, Tamb = -30°C to 85°C, all analog outputs not loaded; typical characteristics are

specified at VCCIO =VCC = 1.8V, VCCP =VCCLS =VCCA =2.7V, Tamb =25°C.

9.4

Typical power dissipation by entity

Tamb = 25°C; Analog Supply: VCCP =VCCLS =VCCA =2.7V;

digital supply: VCCIO =VCC =1.8V.

Full scale signal in every path, 20k

Ω load at analog outputs.

No master clock

Table 36.

Power dissipation

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

POFF

Power Down Dissipation

No Master Clock

AMCK=13MHz

0.8

5.8

µW

PAD

Stereo ADC power

52.6

PDA

Stereo DAC power

46.6

PDAAD

Stereo ADC+DAC power

93.8

PAA

Stereo Analog Path power

27.6

Table 37.

Typical power dissipation, no master clock

Function

CR0-CR2

setting

Other settings

Supply

Current

Power

Power Down

CR0=0x00

CR1=0x00

CR2=0x00

Analog:

Digital:

Total:

0.02

µA

0.20

µA

0.05

µW

0.36

µW

0.41

µW

Stereo analog path

(Mic-LO)

CR0=0xD0

CR1=0x0C

CR2=0xC0

MICLO=1

MICSEL=2

Analog:

Digital:

Total:

4.3 mA

2.0

µA

11.6 mW

0.0 mW

11.6 mW

Stereo analog path

(Mic-Mixer-LO)

CR0=0xD0;

CR1=0x0C;

CR2=0xC3

MIXMIC=1

MICSEL=2

Analog:

Digital:

Total:

5.4 mA

2.0

µA

14.6 mW

0.0 mW

14.6 mW

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