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TDA7514 Datasheet(PDF) 13 Page - STMicroelectronics

No. de pieza TDA7514
Descripción Electrónicos  SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
PDF  74 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7514 Datasheet(HTML) 13 Page - STMicroelectronics

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TDA7514
3.2 AM
(Vcc = 8.5V; Tamb = 25°C; Vsg = 74dB
µVemf; fc = 999KHz; Modulation level = 30%, fmod = 400Hz;
80O+20pF/65pF dummy antenna; Filter@TUNEROUT: IEC_TUNER + Deemphasis = 50us, unless oth-
erwise specified).
Table 4.
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
General (input level @SG emf)
US
Usable sensitivity
SNR=20dB
26
dB
µVemf
SNR
Signal to Noise Ratio
50
dB
MS
Maximum Sensitivity
@
∆Vout=-10dB, SoftMute:off
20
dB
µVemf
THD1
Total Harmonic Distortion1
mod=30%, VSG=74 dBµVemf
0.1
%
THD2
Total Harmonic Distortion2
mod=80%, VSG=74 dBµVemf
0.2
%
THD3
Total Harmonic Distortion3
mod=30%,
VSG=120dBµVemf
0.2
%
THD4
Total Harmonic Distortion4
mod=80%,
VSG=120dBµVemf
0.5
%
THDLF
THD @ Low frequency
mod=30%, fmod=100Hz
0.2
%
Vout
Level of TUNEROUT
TUNEROUT
370
mVrms
ISN
Interstation noise level
Vout @RF:off & SoftMute:off
-35
dB
IFCS
IF Counter Sensitivity
10
dB
µVemf
Icctun
DC Supply Current@TUNVCC
85
mA
Iccmix1
DC Supply Current@IFT1
5
mA
Iccif1
DC Supply Current@IF1VCC
10
mA
Iccmix2
DC Supply Current@IFT2
2
mA
Iccosc
DC Supply
Current@OSCVCC
8mA
Iccpll
DC Supply Current@PLLVCC
5
mA
Iccdig
DC Supply Current@DIGVCC
10
mA
MIXER1
Gv
Conversion gain
From AMMIXER1IN+ to
IFT1; secondary loaded with
330
Ω
3.5
dB
Rin
Input resistance (differential)
　
1K
Ω
IIP3mix1
Input-referred IP3
130
dB
µV
AGC1 Wide Band AGC (input: AMMIXER1in+ and AMMIXER1IN-; FEAGC in open-loop configuration)
WAGCspl
Starting point minimum
Level at AMMIX1IN+
@IAGCOUT = 1µA,
RF=999KHz, Set=0
94.4
dB
µV
WAGCsph
Starting point maximum
Level at AMMIX1IN+
@IAGCOUT = 1µA,
RF=999KHz, Set=31
115.5
dB
µV



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