AS3412 datasheet(8/84 Pages) AMSCO

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[v1-00] 2016-Apr-06

AS3412 − Electrical Characteristics

Figure 7:

Electrical Characteristics (continued)

Electrical Characteristics: Shows the electrical characteristics like typical supply voltages as well as system

current consumption.

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Block Power Requirements

IOFF

Off mode current

MODE/CSCL pin low, device

switched off

0.4

μA

ISYS

Reference supply current

VBAT = 1.8V; Bias generation,

oscillator, POR; VNEG disabled

0.16

0.25

0.3

IMIC

Mic gain stage current

VBAT = 1.8V; no signal, stereo,

normal mode

0.82

1.4

VBAT = 1.8V; no signal, stereo, ECO

mode

0.58

1.1

1.4

IHP

Headphone stage

current

VBAT = 1.8V; no signal, normal

mode

1.5

2.4

3.1

VBAT = 1.8V; no signal, ECO mode

1.18

2.0

2.9

IMICS

MICS charge pump

current

VBAT = 1.8V; no load

0.36

0.5

0.9

VBAT = 1.6V; no load

0.36

0.4

0.85

IOP1

OP1 supply current

VBAT = 1.8V; OP1L and OP1R

enabled, normal mode

0.85

1.25

1.75

VBAT = 1.8V; OP1L and OP1R

enabled, ECO mode

0.65

0.9

1.37

VBAT = 1.6V; OP1L and OP1R

enabled, normal mode

0.8

1.2

1.68

VBAT = 1.6V; OP1L and OP1R

enabled, ECO mode

0.60.851.32

Typical System Power Consumption

PFF

Typical power

consumption feed

forward application

OP1L, OP1R enabled,

Microphone supply enabled, no

load, VBAT=1.6V

PFF_ECO

Typical power

consumption feed

forward application in

ECO mode

All blocks in ECO mode

OP1L, OP1R enabled

Microphone supply enabled, no

load, VBAT=1.6V

8mW

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