Datasheet

LM4755
SNAS010E –FEBRUARY 1999–REVISED APRIL 2013 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
The following specifications apply to each channel with V
CC
= 24V, T
A
= 25°C unless otherwise specified.
LM4755
Units
Symbol Parameter Conditions
(Limits)
Typical
(1)
Limit
PSRR Power Supply Rejection Ratio See Apps. Circuit (Figure 1) 50 dB
f = 120 Hz, V
O
= 1 mVrms
V
ODV
Differential DC Output Offset V
IN
= 0V 0.09 0.4 V(max)
Voltage
SR Slew Rate 2 V/µs
R
IN
Input Impedance 83 kΩ
PBW Power Bandwidth 3 dB BW at P
O
= 2.5W, R
L
= 8Ω 65 kHz
A
VCL
Closed Loop Gain (Internally Set) R
L
= 8Ω 34 33 dB(min)
35 dB(max)
ε
IN
Noise IHF-A Weighting Filter, R
L
= 8Ω 0.2 mVrms
Output Referred
I
O
Output Short Circuit Limit V
IN
= 0.5V, R
L
= 2Ω 2 A(min)
Mute Pin Mute Low Input Voltage Not in Mute Mode 0.8 V(max)
V
IL
V
IH
Mute High Input Voltage In Mute Mode 2.0 2.5 V(min)
A
M
Mute Attenuation V
MUTE
= 5.0V 80 dB
EQUIVALENT SCHEMATIC
Figure 2.
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