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LM4953 Arkusz danych(PDF) 5 Page - Texas Instruments

Numer części LM4953
Szczegółowy opis  Power Amplifier Series Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
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LM4953 Arkusz danych(HTML) 5 Page - Texas Instruments

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LM4953, LM4953SDBD
www.ti.com
SNAS299E – SEPTEMBER 2005 – REVISED FEBRUARY 2006
Electrical Characteristics VDD = 3.0V
The following specifications apply for VDD = 3.0V, AV-BTL = 6dB, ZL = 2μF+30Ω unless otherwise specified. Limits apply to TA =
25°C. See Figure 1.
Symbol
Parameter
Conditions
LM4953
Units (Limits)
Typ(1)
Limit(2)(3)
Quiescent Power Supply
IDD
VIN = 0, ZLOAD = 2μF+30Ω
7
10
mA (max)
Current
Quiescent Power Supply
Istandby
VIN = 0, ZLOAD = 2μF+30Ω
2.3
mA
Current Auto Standby Mode
ISD
Shutdown Current
VSD-LC = VSD-RC = GND
0.1
1
µA (max)
SD1
V (min)
VSDIH
Shutdown Voltage Input High
0.7*CPVdd
SD2
SD1
V (max)
VSDIL
Shutdown Voltage Input Low
0.3*CPVdd
SD2
TWU
Wake-up Time
125
μsec
VOS
Output Offset Voltage
1
10
mV (max)
THD = 1% (max); f = 1kHz
VOUT
Output Voltage Swing
10.2
Vpp
ZL = 2μF+30Ω, Mono BTL
Total Harmonic Distortion +
THD+N
VOUT = 8.5Vp-p, fIN = 1kHz
0.02
%
Noise
OS
Output Noise
A-Weighted Filter, VIN = 0V
15
μV
VRIPPLE = 200mVp-p, f = 217Hz,
73
dB
Input Referred
PSRR
Power Supply Rejection Ratio
VRIPPLE = 200mVp-p, f = 1kHz,
68
dB
Input Referred
SNR
Signal-to-Noise Ratio
ZL = 2μF+30Ω, VOUT = 8.5Vp-p
105
dB
(1)
Typicals are measured at 25°C and represent the parametric norm.
(2)
Limits are specified to Texas Instruments' AOQL (Average Outgoing Quality Level).
(3)
Datasheet min/max specification limits are specified by design, test, or statistical analysis.
Copyright © 2005–2006, Texas Instruments Incorporated
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