LM4753 datasheet(3/13 Pages) NSC

3 / 13 page

Absolute Maximum Ratings (Notes 3, 4)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage

32V

Output Current

Internally Limited

Power Dissipation (Note 5)

22W

ESD Susceptibility (Note 6)

2000V

ESD Susceptibility (Note 7)

250V

Junction Temperature

150˚C

Soldering Information

T Package (10 sec)

260˚C

Storage Temperature

−40˚C to +150˚C

Input Signal Voltage Range

±3V

Operating Ratings (Notes 3, 4)

Temperature Range

MIN ≤ TA ≤ TMAX

−40˚C

≤ T

A ≤ +85˚C

Supply Voltage

15V to 28V

JA (Junction to Ambient)

35˚C/W

JC (Junction to Case)

1.5˚C/W

Electrical Characteristics (Notes 3, 4)

The following specifications apply for V

CC = +22V, and Volume @ 0 dB unless otherwise specified. Limits apply for TA = 25˚C.

Symbol

Parameter

Conditions

LM4753

Units

(Limits)

Typical

(Note 8)

Limit

(Note 9)

(Note 1)

Total Quiescent Power Supply

Current

CM = 0V, Vo = 0V, Io = 0 mA

mA (min)

140

mA (max)

STBY

(Note 1)

Standby Current

STDBY = 5V, Standby-on

mA (max)

MUTE

Mute Current

MUTE = 5V Mute-on

(Note 2)

Mute Attenuation

MUTE = 5V, VSTDBY = 0V. Mute-on

Signal Input

dB (min)

MUTE = 0V. VSTDBY = 0V. Mute-off

2 Vrms

±5dB

Volume Attenuation Range

dB (min)

Volume Absolute Attenuation

Line-out

Pin 3 @ 0V = 80 dB, 2V = 14 dB,

3V = 8 dB, 4V = 3 dB, 5V = 0dB

±3

±5

dB (max)

Line-out Offset Voltage

mV (max)

(Note 1)

Output Power (Continuous Average)

THD+N = 10% (max)

f = 1 kHz, R

L =8Ω,VCC = 28

11.8

f = 1 kHz, R

L =8Ω,VCC = 22V

6.5

W(min)

THD+N

(Note 2)

Total Harmonic Distortion Plus Noise

o =1W,f=1 kHz, RL =8Ω

0.4

% (max)

Xtalk

(Note 2)

Channel Separation

f = 1 kHz, P

o = 5W, RL =8Ω

Power Amp Closed-Loop Gain Error

Internal Gain = 30 dB

0.5

±1

dB (max)

(Note 2)

Slew Rate

IN = 100 mVp-p, tRISE = 2 ns, RL =8Ω

V/µs

(Note 1)

Input Impedance

Ω

(Note 1)

Output Current Limit

IN = 100 mV DC, tON = 1 ms, RL =1Ω

2.5

2.0

A(min)

PSRR

(Note 2)

Power Supply Rejection Ratio

Vpin 13 AC = 1 Vrms, f = 100 Hz

CM = 0V, Io =0mA

GBWP

Gain-Bandwidth Product

o = 100 kHz, VIN = 50 mvrms

MHz

Power Bandwidth

−3 dB Bandwidth at 5W

kHz

eVCA

out

VCA Output Noise

IHF - A Weighting Filter

IN =25Ω

µV

out

Power Amp Output Noise

IHF - A Weighting Filter

IN =25Ω

1.8

SNR

Signal-to-Noise Ratio

Measured at 1 kHz, R

s =25Ω

o = 4.8W, A - Weighted,

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