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LM4950TSX-NOPB Datenblatt(PDF) 4 Page - Texas Instruments

Teilenummer LM4950TSX-NOPB
Bauteilbeschribung  LM4950 Boomer ??Audio Power Amplifier Series 7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM4950TSX-NOPB Datenblatt(HTML) 4 Page - Texas Instruments

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LM4950
SNAS174E – JULY 2003 – REVISED MAY 2013
www.ti.com
Electrical Characteristics VDD = 12V
(1) (2)
The following specifications apply for VDD = 12V, AV = 0dB (SE) or 6dB (BTL) unless otherwise specified. Limits apply for TA =
25°C.
Symbol
Parameter
Conditions
LM4950
Units
(Limits)
Typical(3)
Limit(4)(5)
IDD
Quiescent Power Supply Current
VIN = 0V, IO = 0A, No Load
16
30
mA (max)
ISD
Shutdown Current
VSHUTDOWN = GND
(6)
40
80
µA (max)
VOS
Offset Voltage
VIN = 0V, RL = 8Ω
5
30
mV (max)
VSDIH
Shutdown Voltage Input High
2.0
V (min)
VDD/2
V (max)
VSDIL
Shutdown Voltage Input Low
0.4
V (max)
TWU
Wake-up Time
CB = 10µF
440
ms
150
°C (min)
TSD
Thermal Shutdown Temperature
170
190
°C (max)
PO
Output Power
f = 1kHz
RL = 4Ω SE, Single Channel, THD+N
3.0
W (min)
= 1%
3.1
RL = 8Ω BTL, THD+N = 10%
7.5
PO = 2.5Wrms; f = 1kHz;
0.05
RL = 4Ω SE
THD+N
Total Harmomic Distortion + Noise
%
PO = 2.5Wrms; AV = 10; f = 1kHz; RL
0.14
= 4
Ω, SE
εOS
Output Noise
A-Weighted Filter, VIN = 0V,
10
µV
Input Referred
XTALK
Channel Separation
fIN = 1kHz, PO = 1W, SE Mode
RL = 8Ω
76
dB
RL = 4Ω
70
PSRR
Power Supply Rejection Ratio
VRIPPLE = 200mVp-p, f = 1kHz,
70
56
dB (min)
RL = 8Ω, BTL
IOL
Output Current Limit
VIN = 0V, RL = 500mΩ
5
A
(1)
All voltages are measured with respect to the GND pin, unless otherwise specified.
(2)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics VDD = 12V state DC and AC
electrical specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within
the Operating Ratings. Specifications are not specified for parameters where no limit is given, however, the typical value is a good
indication of device performance.
(3)
Typicals are measured at 25°C and represent the parametric norm.
(4)
Limits are specified to AOQL (Average Outgoing Quality Level).
(5)
Datasheet min/max specification limits are specified by design, test, or statistical analysis.
(6)
Shutdown current is measured in a normal room environment. The Shutdown pin should be driven as close as possible to GND for
minimum shutdown current.
4
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Product Folder Links: LM4950


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