LM4871 datasheet(3/16 Pages) NSC

3 / 16 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

Supply Temperature

−65˚C to +150˚C

Input Voltage

−0.3V to V

DD to +0.3V

Power Dissipation (Note 4)

Internally Limited

ESD Susceptibility (Note 5)

5000V

ESD Susceptibility (Note 6)

250V

Junction Temperature

150˚C

Soldering Information

Small Outline Package

Vapor Phase (60 sec.)

215˚C

Infrared (15 sec.)

220˚C

JC (typ) — M08A

35˚C/W

JA (typ) — M08A

140˚C/W

JC (typ) — N08E

37˚C/W

JA (typ) — N08E

107˚C/W

JC (typ) — MUA08A

56˚C/W

JA (typ) — MUA08A

210˚C/W

JC (typ) — LDC08A

4.3˚C/W

JA (typ) — LDC08A

56˚C/W (Note 9)

Operating Ratings

Temperature Range

MIN

≤ T

MAX

−40˚C

≤ T

≤ 85˚C

Supply Voltage

2.0V

≤ V

≤ 5.5V

Electrical Characteristics(Notes 2, 3)

The following specifications apply for V

DD = 5V and RL =8

Ω unless otherwise specified. Limits apply for T

A = 25˚C.

Symbol

Parameter

Conditions

LM4871

Min

(Note 7)

Typical

(Note 8)

Limit

(Note 7)

Units

(Limits)

Supply Voltage

2.0

5.5

Quiescent Power Supply

Current

IN = 0V, Io = 0A

6.5

10.0

Shutdown Current

PIN1 =VDD

0.6

µA

Output Offset Voltage

IN = 0V

5.0

Output Power

THD = 1%, f = 1kHz

LM4871LD, R

L =3

Ω (Note 10)

LM4871LD, R

L =4

Ω (Note 10)

LM4871, R

L =8

Ω (Note 10)

2.38

1.2

THD+N = 10%, f = 1kHz

LM4871LD, R

L =3

Ω (Note 10)

LM4871LD, R

L =4

Ω (Note 10)

LM4871, R

L =8

Ω (Note 10)

2.5

1.5

THD+N

Total Harmonic

Distortion+Noise

20Hz

≤ f ≤ 20kHz, A

VD =2

LM4871LD, R

L =4

Ω,P

O = 1.6W

LM4871, R

L =8

Ω,P

O =1W

0.13

0.25

PSRR

Power Supply Rejection

Ratio

DD = 4.9V to 5.1V

Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

functional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which

guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit

is given, however, the typical value is a good indication of device performance.

Note 3: All voltages are measured with respect to the ground pin, unless otherwise specified.

Note 4: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature TA. The maximum

allowable power dissipation is PDMAX =(TJMAX–TA)/θJA or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4871, TJMAX = 150˚C.

For the

θJA’s for different packages, please see the Application Information section or the Absolute Maximum Ratings section.

Note 5: Human body model, 100pF discharged through a 1.5k

Ω resistor.

Note 6: Machine Model, 220pF–240pF discharged through all pins.

Note 7: Typicals are specified at 25˚C and represent the parametric norm.

Note 8: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).

Note 9: The given

θJA is for an LM4871 packaged in an LDC08A with the Exposed–DAP soldered to an exposed 1in2 area of 1oz printed circuit board copper.

Note 10: When driving 3

Ω or 4Ω loads from a 5V supply, the LM4871LD must be mounted to a circuit board.

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