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LM4949 датащи(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM4949
подробное описание детали  Stereo Class D Audio Subsystem with OCL Headphone Amplifier
PDF  40 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4949 датащи(HTML) 4 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (Note 1)
6.0V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150˚C
Thermal Resistance
θ
JA
35.1˚C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ +85˚C
Supply Voltage (V
DD,VDDLS,
V
DDHP)
2.7V
≤ V
DD
≤ 5.5V
I
2C Voltage (I2CV
DD)
2.4V
≤ I2CV
DD
≤ 5.5V
Electrical Characteristics V
DD = 3.0V (Notes 1, 2)
The following specifications apply for A
V = 0dB,
R
L(SP) =15µH+8
Ω + 15µH, R
L(HP) =32
Ω, f = 1kHz unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4949
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 8)
I
DD
Supply Current
LS Mode
Stereo
Mono
6
4.5
8.75
mA (max)
mA
OCL HP Mode
Stereo
Mono
5.0
4.3
6.5
mA (max)
mA
CC HP Mode
Stereo
Mono
4.0
3.3
5.25
mA (max)
mA
Stereo LS + HP Mode
8.6
mA
I
SD
Shutdown Supply Current
0.03
2
µA (max)
V
OS
Output Offset Voltage
Speaker (mode 1)
OCL HP (mode 1)
8.9
5.6
48.9
24.5
mV (max)
mV (max)
P
OUT
Output Power
LS Mode,f=1kHz
R
L =4
Ω, THD+N = 10%
R
L =4
Ω, THD+N = 1%
R
L =8
Ω, THD+N = 10%
R
L =8
Ω, THD+N = 1%
820
662
515
415
340
mW
mW
mW
mW (min)
OCP HP Mode,f=1kHz
R
L =16
Ω, THD+N = 10%
R
L =16
Ω, THD+N = 1%
R
L =32
Ω, THD+N = 10%
R
L =32
Ω, THD+N = 1%
62.5
50
37.5
30.3
mW
mW
mW
mW
CC HP Mode,f=1kHz
R
L =16
Ω, THD+N = 10%
R
L =16
Ω, THD+N = 1%
R
L =32
Ω, THD+N = 10%
R
L =32
Ω, THD+N = 1%
63
50
38
30
mW
mW
mW
mW (min)
www.national.com
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