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NJW1262 Folha de dados(PDF) 7 Page - New Japan Radio

Nome de Peças NJW1262
Descrição Electrónicos  Analog Signal Input Class-D Amplifier for Piezo Speaker with DC-DC Converter
PDF  14 Pages
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Fabricante Electrônico  NJRC [New Japan Radio]
Página de início  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJW1262 Folha de dados(HTML) 7 Page - New Japan Radio

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NJU3555
NJU3555
NJW1262
-7-
NJW1262 Ver.4.0_E
AC Characteristics
Ta = 25 °C,VDD = 3.7 V, VDDO = 13.0 V(SP Mode), VDDO = 4.5V (REC Mode), VSS = VSSREG = 0.0 V, Load = 1.5 µF,
ROSC1= 82 kΩ, ROSC2= 82 kΩ, CLPF= 330 pF, Cc=0.033 µF, Output Filter: [LOUT= 22µH, RDAMP= 3.9 Ω]
SW regulator: [LSW= 6.8µH, CSW= 20µF+ 0.1µF, Ccmpn1= 4.7 nF, Rcmpn= 68 kΩ]
Input Signal :INSP= 100 mVrms, INPREC- INNREC =100 mVrms, Input Frequency= 1 kHz
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
THD+NSP
SP Mode,
VOUTSP =2.5 Vrms
-
0.2
-
%
THD+N
THD+NREC
REC Mode
VOUTREC =1 Vrms
-
0.08
-
%
VOUTSP
SP Mode,
THD+N=2 %
-
7
-
Vrms
Maximum Output Voltage
VOUTREC
REC Mode,
THD+N=2 %
-
2.7
-
Vrms
S/N
SN
REC MODE,
VOUTREC =1 Vrms
A-weight
-
80
-
dB
Noise Floor
VN
REC MODE, A-weight
-
100
-
µVrms
Note) A noise by the Class-D amplifier oscillation frequency and the switching regulator oscillation frequency may be
felt in receiver mode. Therefore, please test the circuit carefully to fit your application.



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