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LM4883SQ Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM4883SQ
Description  Dual 2.1W Audio Amplifier Plus Stereo Headphone
PDF  23 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4883SQ Datasheet(HTML) 4 Page - National Semiconductor (TI)

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Electrical Characteristics for Bridged-Mode Operation (5V) (Notes 3, 7,
13) (Continued)
The following specifications apply for V
DD = 5V unless otherwise specified. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4883
Units
(Limits)
Typical
Limit
(Note 8)
(Note 9)
PSRR
Power Supply Rejection Ratio
Input Floating, 217Hz
V
ripple = 200mVp-p
C
B = 1µF, RL =8
Ω
85
dB
Input Floating, 1kHz
V
ripple = 200mVp-p
C
B = 1µF, RL =8
Ω
80
dB
Input grounded, 217Hz
V
ripple = 200mVp-p
C
B = 1µF, RL =8
Ω
65
dB
Input grounded, 1kHz
V
ripple = 200mVp-p
C
B = 1µF, RL =8
Ω
70
dB
X
TALK
Channel Separation
f = 1kHz, C
B = 1.0µF
82
dB
V
NO
Output Noise Voltage
1kHz, A-weighted
21
µV
Electrical Characteristics for Single-Ended Operation (5V) (Notes 3, 7, 13)
The following specifications apply for V
DD = 5V unless otherwise specified. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4883
Units
(Limits)
Typical
Limit
(Note 8)
(Note 9)
P
O
Output Power
THD+N = 0.5%,f=1 kHz, R
L =32
Ω
90
75
mW (min)
THD+N = 1%,f=1 kHz, R
L =8
Ω
325
mW
THD+N = 10%,f=1 kHz, R
L =8
Ω
400
mW
THD+N
Total Harmonic Distortion+Noise
P
O = 20mW, 1kHz, RL =32
Ω
0.015
%
PSRR
Power Supply Rejection Ratio
Input Floating, 217Hz
V
ripple = 200mVp-p
C
B = 1µF, RL =8
Ω
70
dB
Input Floating, 1kHz
V
ripple = 200mVp-p
C
B = 1µF, RL =8
Ω
72
dB
Input grounded, 217Hz
V
ripple = 200mVp-p
C
B = 1µF, RL =8
Ω
65
dB
Input grounded, 1kHz
V
ripple = 200mVp-p
C
B = 1µF, RL =8
Ω
70
dB
X
TALK
Channel Separation
f = 1kHz, C
B = 1.0µF
80
dB
V
NO
Output Noise Voltage
1kHz, A-weighted
11
µV
www.national.com
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