LM4931 datasheet(8/48 Pages) NSC

Teilenummer	LM4931

Bauteilbeschribung	Audio Subsystem with Mono High Efficiency Loudsperker and Stereo Headphone Amplifiers

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Hersteller	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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Electrical Characteristics DV

DD = 3V, AVDD = 3V, RLHP =32Ω,RLHF =8Ω

(Notes 1, 2) (Continued)

The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T

A = 25˚C.

Symbol

Parameter

Conditions

LM4931

Units

(Limits)

Typical

(Note 6)

Limits

(Note 7)

t

SPIHOLDENB

SPI ENB Hold Time

100

ns (min)

t

SPICL

SPI Clock Low Time

500

ns (min)

t

SPICH

SPI Clock HighTime

500

ns (min)

t

SPIT

SPI Clock Transition Time

5

ns (min)

f

CLKI2C

I

2C_CLK Frequency

400

3400

kHz (max)

t

I2CHOLD

I

2C_DATA Hold Time

100

ns (min)

t

I2CSET

I

2C_DATA Setup Time

100

ns (min)

PCM/I

2S

f

CLKPCM

PCM_CLK Frequency

128

kHz

PCM_CLK Duty Cycle

50

40

60

% (min)

% (max)

f

CLKI2S

I

2S_CLK Frequency

I

2S_RES = 0

I

2S_RES = 1

1536

3072

kHz

I

2S_WS Duty Cycle

50

40

60

% (min)

% (max)

Electrical Characteristics DV

DD = 3.3V, AVDD = 5V, RLHP =32Ω,RLHF =8Ω

(Notes 1, 2)

The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T

A= 25˚C.

Symbol

Parameter

Conditions

LM4931

Units

(Limits)

Typical

(Note 6)

Limits

(Note 7)

Power

Mode 0

DI

SD

Digital Shutdown Current

f

MCLK = 12MHz (Note 9)

500

600

µA (max)

No MCLK

1

µA (max)

DI

ST

Digital Standby Current

Mode 1, f

MCLK = 12MHz

500

1600

µA (max)

DI

DD

Digital Power Supply Current

f

MCLK = 12MHz

Mode 2, 3, 4

1.6

3.5

mA (max)

Mode 5, 6, 7

3.5

8

mA (max)

Mode 8, 9, 10

4.0

8

mA (max)

PLLI

DD

PLL Quiescent Current

f

MCLK = 12MHz

3.3

4

mA (max)

AI

DD

Analog Shutdown Current

Mode 0, No Load

0.6

3

µA (max)

AI

ST

Analog Standby Current

Mode 1, No Load

220

450

µA (max)

AI

DD

Analog Power Supply Quiescent

Current

No Load

Mode 2

18.5

32

mA (max)

Mode 3

7.3

12

mA (max)

Mode 4

19.6

29

mA (max)

Mode 5

19.4

30

mA (max)

Mode 6

8.4

26

mA (max)

Mode 7

20.5

30

mA (max)

Mode 8, 9, 10

22

32

mA (max)

Loudspeaker Amplifier

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Ähnliche Beschreibung - LM4931

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LM4931 Datenblatt(PDF) 8 Page - National Semiconductor (TI)

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