LM4842 National Semiconductor, LM4842 Datasheet - Page 5

• Manufacturer Part Number: LM4842
• Description: Stereo 2W Amplifiers with DC Volume Control Transient Free Outputs/ and Cap-less Headphone Drive
• Manufacturer: National Semiconductor

THD+N
PSRR
SNR
X
V
P
THD+N
PSRR
SNR
X
talk
OS
O
talk
Electrical Characteristics for Single-Ended Mode Operation
10) (Continued)
The following specifications apply for V
Symbol
Electrical Characteristics for Bridged Mode Operation
The following specifications apply for V
Symbol
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Signal to Noise Ratio
Channel Separation
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Signal to Noise Ratio
Channel Separation
Parameter
Parameter
DD
DD
= 5V and T
= 5V and T
V
A
C
V
P
Filter
f=1kHz, C
V
THD + N = 1.0%; f=1kHz; R
(Note 8)
THD + N = 1.0%; f=1kHz; R
(Note 9)
THD = 1.0% (max);f = 1 kHz;
R
THD+N = 10%;f = 1 kHz; R
P
R
P
C
V
V
A-Wtd Filter
f=1kHz, C
OUT
VD
B
RIPPLE
OUT
IN
L
O
L
O
B
RIPPLE
DD
= 8Ω
= 8Ω, A
= 1.0 µF, f =120 Hz,
= 1W, 20 Hz
= 340 mW, R
= 1.0 µF, f = 120 Hz,
A
A
= 0V, No Load
= 1
= 5V, P
= 25˚C unless otherwise noted.
= 1V
=75 mW, R
= 25˚C unless otherwise noted.
= 200 mVrms
= 200 mVrms; R
B
B
RMS
VD
= 1.0 µF
= 1.0 µF
OUT
Conditions
Conditions
5
= 2
, f=1kHz, R
<
= 1.1W, R
L
L
f
= 32Ω
= 32Ω, A-Wtd
<
20 kHz,
L
L
= 8Ω
L
= 10kΩ,
L
L
L
= 8Ω,
= 8Ω
= 3Ω
= 4Ω
(Note 14)
(Note 14)
Typical
Typical
(Notes 7, 10)
0.065
102
2.2
1.1
1.5
0.3
1.0
58
65
74
93
70
5
2
LM4842
LM4842
(Notes 7,
(Note 15)
(Note 15)
Limit
Limit
±
1.0
50
www.national.com
mV (max)
(Limits)
(Limits)
W (min)
Units
Units
dB
dB
dB
dB
dB
dB
%
W
W
W
%
%