AK7719BECB 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK7719BECB

Low Power DSP for Voice and Audio Processing

Asahi Kasei Microdevices 

[AK7719B]

10. Power Consumption

(Ta=25ºC; VSS =0V, unless otherwise specified.)

Parameter

min

typ

max

Unit

Power Supplies:

Power-Up (PDN pin = “H”)

Loopback mode (DSP reset mode, SRCA, B: Powe-down) Port1(fs=8kHz, I2S fin=1kHz, slave mode) to

Port2(master mode)

VDD

VDD=1.2V

-

0.8

-

mA

TVDD

TVDD=1.8V

-

0.6

-

mA

Power Consumption

-

2.1

mW

All Circuit Power-up (Note 9) (DSP, SRC power-up running at Port#1: fs=8kHz, Port#2/4: fs=48kHz)

VDD

VDD=1.3V

-

-

36

mA

TVDD

TVDD=3.6V

-

-

2

mA

Power Consumption

-

-

54

mW

Power-Down state (PDN pin = “L”), (Note 8)

VDD

VDD=1.2V

-

2.4

8

A

TVDD

TVDD=1.8V

-

0.2

1

A

Note 8. All digital input pins are fixed to TVDD or VSS.

Note 9. The current of VDD, TVDD changes depending on the system frequency and contents of the DSP

program.

MS1565-E-00-PB

10

2013/11

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