Texas Instruments 3 Channel 25W Audio Power Amplifier with Mute and Standby LM4782TABD/NOPB LM4782TABD/NOPB 데이터 시트
제품 코드
LM4782TABD/NOPB
SNAS231B – FEBRUARY 2004 – REVISED MARCH 2013
Electrical Characteristics
(continued)
The following specifications apply for V
+
= +25V, V
-
=
−
25V, and R
L
= 8
Ω
unless otherwise specified. Limits apply for
T
A
= 25°C.
Symbol
Parameter
Conditions
LM4782
Units
(Limits)
Typical
(3)
Limit
(4) (5)
P
O
= 1W
RMS
; A-Weighted Filter
98
dB
f
IN
= 1kHz, R
S
= 25
Ω
SNR
Signal-to-Noise Ratio
P
O
= 15W
RMS
; A-Weighted Filter
108
dB
f
IN
= 1kHz, R
S
= 25
Ω
Standby
V
V
IL
Standby Low Input Voltage
Play Mode
0.8
V (max)
V
IH
Standby High Input Voltage
Standby Mode
2.0
2.5
V (min)
Mute
V
V
IL
Mute Low Input Voltage
Play Mode
0.8
V (max)
V
IH
Mute High Input Voltage
Mute Mode
2.0
2.5
V (min)
Bridged Amplifier Application Circuit
Figure 3. Bridged Amplifier Application Circuit
Copyright © 2004–2013, Texas Instruments Incorporated
5
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