LM4673 datasheet(3/18 Pages) NSC

3 / 18 page

Absolute Maximum Ratings (Notes 1, 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage (Note 1)

6.0V

Storage Temperature

−65˚C to +150˚C

Voltage at Any Input Pin

DD + 0.3V

≥ V ≥ GND - 0.3V

Power Dissipation (Note 3)

Internally Limited

ESD Susceptibility, all other pins (Note 4)

2.0kV

ESD Susceptibility (Note 5)

200V

Junction Temperature (T

JMAX)

150˚C

Thermal Resistance

JA (micro SMD)

99.1˚C/W

JA (LLP) (Future Product)

TBD˚C/W

Soldering Information

See AN-1112 "microSMD Wafers Level Chip Scale

Package."

Operating Ratings (Note 1) (Note 2)

Temperature Range

MIN

≤ T

MAX

−40˚C

≤ T

≤ 85˚C

Supply Voltage

2.4V

≤ V

≤ 5.5V

Electrical Characteristics (Notes 1, 2)

The following specifications apply for A

V = 2V/V (RI = 150k

Ω), R

L =15µH+8

Ω + 15µH unless otherwise specified. Limits ap-

ply for T

A = 25˚C.

Symbol

Parameter

Conditions

LM4673

Units

(Limits)

Typical

Limit

(Note 6)

(Notes 7, 8)

OS|

Differential Output Offset Voltage

I = 0V, AV = 2V/V,

DD = 2.4V to 5.0V

mV (max)

IH|

Logic High Input Current

DD = 5.0V, VI = 5.5V

100

µA (max)

IL|

Logic Low Input Current

DD = 5.0V, VI = –0.3V

0.9

µA (max)

IN = 0V, No Load, VDD = 5.0V

2.6

3.75

mA (max)

Quiescent Power Supply Current

IN = 0V, No Load, VDD = 3.6V

2.1

2.9

IN = 0V, No Load, VDD = 2.4V

1.7

2.3

mA (max)

IN = 0V, RL =8

Ω,V

DD = 5.0V

2.6

IN = 0V, RL =8

Ω,V

DD = 3.6V

2.1

IN = 0V, RL =8

Ω,V

DD = 2.4V

1.7

Shutdown Current

SHUTDOWN =0V

DD = 2.4V to 5.0V

0.01

µA (max)

SDIH

Shutdown voltage input high

1.4

V (min)

SDIL

Shutdown voltage input low

0.4

V (max)

OSD

Output Impedance

SHUTDOWN = 0.4V

100

Ω

Gain

300k

Ω/R

270k

Ω/R

330k

Ω/R

V/V (min)

V/V (max)

Resistance from Shutdown Pin to

GND

300

Ω

Output Power

L =15µH+4

Ω + 15µH

THD = 10% (max)

f = 1kHz, 22kHz BW

DD =5V

DD = 3.6V

DD = 2.5V

2.65

1.3

550

L =15µH+4

Ω + 15µH

THD = 1% (max)

f = 1kHz, 22kHz BW

DD =5V

DD = 3.6V

DD = 2.5V

2.15

1.06

450

LM4673 Datasheet(PDF) 3 Page - National Semiconductor (TI)

LM4673 Datasheet(HTML) 3 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Datasheet Download

Link URL