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LM4869 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM4869
Description  1.9W Differential Input, BTL Output Stereo Audio Amplifier with Selectable Gain and Shutdown
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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 3 page
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Absolute Maximum Ratings (Notes 2,
3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
6.0V
Storage Temperature
-65˚C to + 150˚C
Input Voltage
−0.3V to V
DD + 0.3V
Power Dissipation (Note 4)
Internally Limited
ESD Susceptibility (Note 5)
2000V
ESD Susceptibility (Note 6)
200V
Junction Temperature
150˚C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215˚C
Infrared (15 sec.)
220˚C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Thermal Resistance
θ
JC (typ) MXA20A
2˚C/W
θ
JA (typ) MXA20A
47˚C/W (Note 7)
θ
JA (typ) MXA20A
27˚C/W (Note 8)
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤T
MAX
−40˚C
≤ TA ≤ 85˚C
Supply Voltage
2.0 V
≤ V
DD
≤ 5.5V
Electrical Characteristics for LM4869 (Notes 2, 9)
The following specifications applies to the LM4869 when used in the circuit shown in Figure 1 and operating with V
DD =5Vand
A
V = 6dB, unless otherwise specified. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4869
Units
(Limits)
Typical
(Note 9)
Limit
(Note 10)
(Note 11)
V
DD
Supply Voltage
2
5.5
V (min)
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A, RL =
9.0
12.0
mA (max)
I
SD
Shutdown Current
V
shutdown = GND
0.1
1.0
µA (max)
V
OS
Output Offset Voltage
7
50
mV (max)
PSRR
Output Supply Rejection Ratio
V
DD = 5V, VRIPPLE = 200mVP-P
sinewave, C
BYPASS = 0.47µF,
R
L =8
62
dB
P
O
Output Power (Note 12)
THD+N = 1% (max), f = 1kHz (Note13)
R
L =4
R
L =8
1.9
1.2
1.0
W
W (min)
THD+N = 10% (max), f = 1kHz
(Note13)
R
L =4
R
L =8
2.6
1.5
W
W
THD+N
Total Harmonic Distortion + Noise
20Hz
≤ f ≤ 20kHz
R
L =4
Ω,P
O =2W
R
L =8
Ω,P
O =1W
0.3
0.3
%
%
S/N
Signal-to-Noise Ratio
f = 1kHz, C
BYPASS = 0.47µF,
P
O = 1.1W, RL =8
97
dB
R
IN
Input Resistance
Pins 5, 7, 9, and 17
25
20
k
Ω (min)
∆A
V
Gain Accuracy
R
L =8
Logic Low Applied to Pin 2
Logic Low Applied to Pin 3
6
5.70
6.30
dB (min)
dB (max)
Logic Low Applied to Pin 2
Logic High Applied to Pin 3
10
9.65
10.35
dB (min)
dB (max)
Logic High Applied to Pin 2
Logic Low Applied to Pin 3
15.6
15.25
15.95
dB (min)
dB (max)
Logic High Applied to Pin 2
Logic High Applied to Pin 3
21.6
21.25
21.95
dB (min)
dB (max)
www.national.com
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