LM4929MM datasheet(3/13 Pages) NSC

No de pièce	LM4929MM

Description	Stereo 40mW Low Noise Headphone Amplifier with OCL Output

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Fabricant	NSC [National Semiconductor (TI)]

Site Internet	http://www.national.com

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Absolute Maximum Ratings (Note 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage

6.0V

Storage Temperature

−65˚C to +150˚C

Input Voltage

-0.3V to V

DD + 0.3V

Power Dissipation (Note 3)

Internally Limited

ESD Susceptibility (Note 4)

2000V

ESD Susceptibility (Note 5)

200V

Junction Temperature

150˚C

Thermal Resistance

θ

JC (MSOP)

56˚C/W

θ

JA (MSOP)

190˚C/W

Operating Ratings

Temperature Range

T

MIN

≤ T

A

≤ T

MAX

−40˚C

≤ T

A

≤ 85˚C

Supply Voltage

2V

≤ V

DD

≤ 5.5V

Electrical Characteristics V

DD =5V (Notes 1, 2)

The following specifications apply for V

DD = 5V, RL =16

Ω, and C

B = 4.7µF unless otherwise specified. Limits apply to TA =

25˚C. Pin 3 connected to GND.

Symbol

Parameter

Conditions

LM4929

Units

(Limits)

Typ

(Note 6)

Limit

(Note 7)

I

DD

Quiescent Power Supply Current

V

IN = 0V, IO = 0A

2

5

mA (max)

I

SD

Shutdown Current

V

SHUTDOWN = GND

0.1

2.0

µA(max)

V

SDIH

Shutdown Voltage Input High

1.8

V

SDIL

Shutdown Voltage Input Low

0.4

V

P

O

Output Power

THD=1%;f=1kHZ

mW

R

L=16

Ω

80

R

L =32

Ω

80

V

NO

Output Noise Voltage

BW = 20Hz to 20kHz, A-weighted

10

µV

PSRR

Power Supply Rejection Ratio

V

RIPPLE = 200mV sine p-p

65

dB

Electrical Characteristics V

DD = 3.0V (Notes 1, 2)

The following specifications apply for V

DD = 3.0V, RL =16

Ω, and C

B = 4.7µF unless otherwise specified. Limits apply to TA =

25˚C. Pin 3 connected to GND.

Symbol

Parameter

Conditions

LM4929

Units

(Limits)

Typ

(Note 6)

Limit

(Note 7)

I

DD

Quiescent Power Supply Current

V

IN = 0V, IO = 0A

1.5

3.5

mA (max)

I

SD

Shutdown Current

V

SHUTDOWN = GND

0.1

2.0

µA(max)

P

O

Output Power

THD = 1%; f = 1kHz

mW

R=16

Ω

40

R=32

Ω

25

V

NO

Output Noise Voltage

BW = 20 Hz to 20kHz, A-weighted

10

µV

PSRR

Power Supply Rejection Ratio

V

RIPPLE = 200mV sine p-p

65

dB

Electrical Characteristics V

DD = 2.4V (Notes 1, 2)

The following specifications apply for V

DD = 2.4V, RL =16

Ω, and C

B = 4.7µF unless otherwise specified. Limits apply to TA =

25˚C. Pin 3 connected to GND.

Symbol

Parameter

Conditions

LM4929

Units

(Limits)

Typ

(Note 6)

Limit

(Note 7)

I

DD

Quiescent Power Supply Current

V

IN = 0V, IO = 0A

1.5

3

mA (max)

I

SD

Shutdown Current

V

SHUTDOWN = GND

0.1

2.0

µA(max)

P

O

Output Power

THD = 1%; f = 1kHz

mW

R=16

Ω

25

R=32

Ω

12

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