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LM4817 数据表(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM4817
功能描述  1W Stereo Audio Amplifier Plus Adjustable Output Limiter Plus Adjustable LDO
PDF  21 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM4817 数据表(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings
Stereo Amplifier(Notes 1, 5)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Amplifier Supply Voltage (pins 5, 24)
6.0V
LDO-V
CC, LDO-OUT, LDO-SHDN,
ADJ, CC, FAULT (pins 11-15, 17,19)
−0.3V to 6.5V
Fault Sink Current
20mA
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Note 2)
Internally limited
ESD Susceptibility(Note 3)
2000V
ESD Susceptibility (Note 4)
200V
Junction Temperature
150˚C
Solder 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 Reliablilty” for other methods of soldering
surface mount devices.
Thermal Resistance
θ
JC (typ) — MXA28A
20˚C/W
θ
JA (typ) — MXA28A (Note 2)
41˚C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ 85˚C
Supply Voltage
Pins 5, 24
3.0V
≤ V
DD
≤ 5.5V
Pin 17
2.5V
≤ V
CC
≤ 6.0V
Stereo Amplifier Electrical Characteristics for Entire IC (Notes 1, 5)
The following specifications apply for V
DD = 5V unless otherwise noted. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4817
Units
(Limits)
Typical
Limit
(Note 6)
(Note 7)
V
DD
Supply Voltage
3
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A (Note 8)
8
15
5
mA (max)
mA (min)
I
SD
Shutdown Current
V
DD applied to the SHUTDOWN pin
0.07
2
µA (min)
V
IH
Shutdown Logic High Input
Threshold Voltage
3.0
V (min)
V
IL
Shutdown Logic Low Input
Threshold Voltage
1.8
V (max)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power (Note 9)
THD+N = 1%, f = 1kHz, R
L =8
Ω
1.1
1.0
W (min)
THD+N = 10%, f = 1kHz, R
L =8
Ω
1.5
W
THD+N
Total Harmonic Distortion+Noise
20Hz
≤ f ≤ 20kHz, A
VD =2
R
L =8
Ω,P
O =1W
0.13
%
V
LIM
Limiter Clamp Voltage
V
LIM = 1.0V, RL = ∞,VIN =4VP-P
V
O P-P =(VOUT+ -VOUT-)
6.0
5.2
6.8
V
P-P (min)
V
P-P (max)
PSRR
Power Supply Rejection Ratio
V
DD = 5V, VRIPPLE = 200mVRMS,
R
L =8
Ω,C
B = 1.0µ, fIN = 1kHz
Inputs Floating
Inputs terminated with 10
Ω
67
45
dB
dB
X
TALK
Channel Separation
f = 1kHz, C
B = 1.0µF
90
dB
SNR
Signal To Noise Ratio
V
DD = 5V, PO = 1W, RL =8
Ω
98
dB
LDO Electrical Characteristics
Unless otherwise specified, all limits guaranteed for V
IN =VO +0.5V (Note 10), VSHDN =VIN,CIN =COUT = 2.2µF, CCC = 33nF,
T
J = 25˚C. Boldface limits apply for the operating temperature extremes: −40˚C and 85˚C.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 6)
Max
(Note 7)
Units
V
IN
Input Voltage
2.5
6.0
V
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