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AS3418

Electrical Characteristics

Datasheet

• PUBLIC

DS000507

• v4-00 • 2020-Jan-23

│ 11

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VBAT = 1.4V; no signal, stereo, ECO

mode

0.63

IHP

Headphone stage current

VBAT = 1.8V; no signal, high quality mode

2.9

VBAT = 1.8V; no signal, ECO mode

2.4

VBAT = 1.4V; no signal, high quality mode

2.78

VBAT = 1.4V; no signal, ECO mode

2.32

IOP1

ANC Filter OPAMP current

VBAT = 1.8V; OP1L and OP1R enabled,

High quality mode

VBAT = 1.8V; OP1L and OP1R enabled,

ECO mode

0.7

VBAT = 1.8V; OP1L and OP1R enabled,

High quality mode

0.95

VBAT = 1.8V; OP1L and OP1R enabled,

ECO mode

0.65

IMICS

Microphone low noise LDO

supply current

VBAT = 1.8V; no load; high quality mode

0.69

VBAT = 1.4V; no load; high quality mode

0.67

VBAT = 1.8V; no load; ECO mode

0.33

VBAT = 1.4V; no load; ECO mode

0.32

IMICS_CP

Microphone supply charge

pump current

VBAT = 1.8V; no load

0.3

VBAT = 1.4V; no load

0.26

Typical System Power Consumption

PFF

Typical power consumption

feed forward application in

high quality mode

configuration

VBAT = 1.8V; OP1L, OP1R enabled,

250µA microphone load; all amplifiers in

high quality mode

VBAT = 1.4V; OP1L, OP1R enabled,

250µA microphone load; all amplifiers in

high quality mode

10.7

PFF_ECO

Typical power consumption

feed forward application in

ECO mode configuration

VBAT = 1.8V; OP1L, OP1R enabled,

250µA microphone load; all amplifiers in

ECO mode

12.4

VBAT = 1.4V; OP1L, OP1R enabled,

250µA microphone load; all amplifiers in

ECO mode

8.8

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