LM4855 datasheet(3/24 Pages) NSC

3 / 24 page

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

ESD Susceptibility (Note 4)

2.0kV

ESD Machine model (Note 7)

200V

Junction Temperature (T

150˚C

Solder Information (Note 1)

Vapor Phase (60 sec.)

215˚C

Infrared (15 sec.)

220˚C

Thermal Resistance

JA (typ) - LQA24A

42˚C/W

JC (typ) - LQA24A

3.0˚C/W

JA (typ) - BLA18AAB

48˚C/W (Note 9)

JC (typ) - BLA18AAB

23˚C/W (Note 9)

JA (typ) - TLA18AAA

48˚C/W (Note 9)

JC (typ) - TLA18AAA

23˚C/W (Note 9)

Operating Ratings (Note 3)

Temperature Range

−40˚C to 85˚C

Supply Voltage V

2.6V

≤ V

≤ 5.0V

Note 1: See AN-450 "Surface Mounting and their effects on Product Reli-

ability" for other methods of soldering surface mount devices.

Electrical Characteristics (Notes 3, 8)

The following specifications apply for V

DD= 5.0V, TA= 25˚C unless otherwise specified.

Symbol

Parameter

Conditions

LM4855

Units

(Limits)

Typical

(Note 5)

Limits

(Note 6)

Supply Current

Output mode 1

IN = 0V; No loads

5.7

mA (max)

Output mode 1

IN = 0V; Loaded (Fig.1)

6.7

mA (max)

Output modes 2, 3, 4, 5, 6, 7

IN = 0V; No loads

7.5

mA (max)

Output modes 2, 3, 4, 5, 6, 7

IN = 0V; Loaded (Fig. 1)

8.5

mA (max)

Shutdown Current

Output mode 0

0.1

2.0

µA (max)

Output Offset Voltage

IN = 0V

5.0

mV (max)

Output Power

SPKR

OUT;RL =4

Ω

THD+N = 1%; f = 1kHz, LM4855LQ

1.5

SPKR

OUT;RL =8

Ω

THD+N = 1%; f = 1kHz

1.1

0.8

W (min)

OUT and LOUT;RL =32

Ω

THD+N = 0.5%; f = 1kHz

115

mW (min)

THD+N

Total Harmonic Distortion Plus

Noise

SPKR

OUT

f = 20Hz to 20kHZ

OUT = 400mW; RL =8

Ω

0.5

OUT and LOUT

f = 20Hz to 20kHZ

OUT = 50mW; RL =32

Ω

0.5

OUT

Output Noise

A-weighted (Note 10)

µV

LM4855 Folha de dados(PDF) 3 Page - National Semiconductor (TI)

LM4855 Folha de dados(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 19 20 21 22 23 24

Folha de dados Download

Ligação URL