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LM48823TL Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM48823TL
Description  Mono, Bridge-Tied Load, Ceramic Speaker Driver with I2C Volume Control and Reset
PDF  20 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM48823TL Datasheet(HTML) 5 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1, 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)
5.25V
Storage Temperature
−65°C to +150°C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Rating (Note 4)
8kV
ESD Rating (Note 5)
250V
Junction Temperature
150°C
Thermal Resistance
 θ
JA (typ) - (TLA1611A)
63.2°C/W
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤ TMAX
−40°C
≤ T
A ≤ +85°C
Supply Voltage
PV
DD and SVDD
2.0V
≤ V
DD ≤ 4.5V
I2CV
DD
1.8V
≤ I2CV
DD ≤ 4.5V
Audio Amplifier Electrical Characteristics V
DD = 4.2V (Note 1, Note 2)
The following specifications apply for A
V = 6dB, RL = 2.2μF+15Ω, C1 = C2 = 2.2μF, f = 1kHz, unless otherwise specified. Limits
apply for T
A = 25°C.
Symbol
Parameter
Conditions
LM48823
Units
(Limits)
Typical
(Note 6)
Limits
(Note 7)
I
DD
Quiescent Power Supply
Current
V
IN = 0V, RL = ∞
3.3
4.3
mA (max)
I
SD
Shutdown Current
Shutdown Enabled
0.01
1
µA (max)
V
OS
Differential Output Offset
Voltage
V
IN = 0V
0.5
3
mV (max)
V
IH
Logic High Input Threshold
RESET
1.4
V (min)
V
IL
RESET
0.4
V (max)
A
V
Gain
Minimum Gain Setting
–70
dB
Maximum Gain Setting
24
dB
R
IN
Input Resistance
Maximum Gain Setting
9
7
11
k
Ω (min)
k
Ω (max)
Minimum Gain Setting
80
64
96
k
Ω (min)
k
Ω (max)
V
O
Output Voltage
R
L = 2.2μF+15Ω, THD+N = 1%
f = 1kHz
f = 5kHz
5.4
3.1
V
RMS
V
RMS
THD+N
Total Harmonic Distortion +
Noise
V
O = 4VRMS
0.015
%
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mVP-P Sine, Inputs AC GND, CIN = 1μF, input referred
f = 217Hz
f = 1kHz
93
93
82
dB (min)
dB
SNR
Signal-to-Noise-Ratio
P
OUT = 40mW, RL = 16Ω
f = 1kHz
119
dB
∈
OS
Output Noise
AV = 4dB, Input Referred, A-weighted Filter
5.5
μV
T
WU
Wake-Up Time
200
μs
5
www.national.com



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