LM49352 datasheet(10/106 Pages) TI

10 / 106 page

LM49352

SNAS467E – MARCH 2009 – REVISED MARCH 2013

www.ti.com

Electrical Characteristics

A_VDD = LS_VDD = 3.3V; HP_VDD = D_VDD = I/O_VDD = 1.8V

(1) (2)

The following specifications apply for RL(LS) = 8Ω, RL(HP) = 32Ω, f = 1kHz, unless otherwise specified. Limits apply for TA =

25°C.

LM49352

Units

Symbol

Parameter

Conditions

Typical

Limit

(Limit)

(3)

(4)

DC CHARACTERISTICS (Digital current combines D_VDD and I/O_VDD. Analog current combines A_VDD, HP_VDD, and LS_VDD)

Shutdown Mode,

DISD

Digital Shutdown Current

µA

fMCLK = 13MHz, PLL Off

fMCLK = 11.2896MHz, fS = 44.1kHz,

Digital Active Current (MP3 Mode)

Stereo DAC On, OSRDAC = 64,

1.2

1.4

mA (max)

PLL Off, HP On

fMCLK = 13MHz

Digital Active Current (FM Mode)

0.2

0.5

mA (max)

Analog Audio modes

fMCLK = 12.288MHz, fS = 48kHz,

DIDD

Digital Active Current

Stereo ADC On, OSRADC = 128,

1.3

1.5

mA (max)

(FM Record Mode)

PLL Off, Stereo Analog Inputs On

fMCLK = 12.288MHz, fS = 8kHz,

Digital Active Current

Mono ADC On, Mono DAC On,

0.5

0.8

mA (max)

(CODEC Mode)

OSRDAC = 64

OSRADC = 128, PLL Off, MIC On

AISD

Analog Shutdown Current

Shutdown Mode

0.1

μA (max)

fMCLK = 11.2896MHz, fS = 44.1kHz

Stereo DAC On, OSRDAC = 64

PLL Off, Stereo HP On

Analog Supply Current (MP3 Mode)

From A_VDD

4.3

mA (max)

From HP_VDD

1.5

2.7

mA (max)

fMCLK = 13MHz, PLL Off

Stereo Auxiliary Inputs On,

PLL Off, Stereo HP On

Analog Supply Current (FM Mode)

From A_VDD

1.7

2.6

mA (max)

AIDD

From HP_VDD

1.5

2.7

mA (max)

fMCLK = 12.288MHz, fS = 48kHz,

Analog Supply Current

Stereo ADC On, OSRADC = 128,

7.2

9.3

mA (max)

(FM Record Mode)

PLL Off, Stereo Analog Inputs On

fMCLK = 12.288MHz, fS = 8kHz,

Mono ADC On, Mono DAC On,

Analog Supply Current

OSRDAC = 64

6.6

8.7

mA (max)

(CODEC Mode)

OSRADC = 128, PLL Off, MIC On,

EP On

fMCLK = 13MHz,

fPLLOUT = 12MHz, PLL On only

PLLIDD

PLL Total Active Current

From A_VDD

1.9

2.7

mA (max)

From D_VDD

1.4

mA (max)

HPIDD

Headphone Quiescent Current

Stereo HP On only

1.5

LSIDD

Loudspeaker Quiescent Current

LS On only

2.2

MICIDD

Microphone Quiescent Current

Mono MIC

0.4

(1)

“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of

device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or

other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating

Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All

voltages are measured with respect to the ground pin, unless otherwise specified.

(2)

The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as

otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and

are not ensured.

(3)

Typical values represent most likely parametric norms at TA = +25ºC, and at the Recommended Operation Conditions at the time of

product characterization and are not ensured.

(4)

Datasheet min/max specification limits are specified by test or statistical analysis.

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