Motor de Búsqueda de Datasheet de Componentes Electrónicos
Selected language     Spanish  ▼

Delete All
ON OFF
ALLDATASHEET.ES

X  

Preview PDF Download HTML

TDA8222 Datasheet(PDF) 4 Page - STMicroelectronics

No. de Pieza. TDA8222
Descripción  VIDEO & SOUND IF SYSTEM WITH VIDEO AND SOUND SWITCHES
Descarga  9 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo 

TDA8222 Datasheet(HTML) 4 Page - STMicroelectronics

   
Zoom Inzoom in Zoom Outzoom out
 4 / 9 page
background image
ELECTRICAL CHARACTERISTICS (continued)
(Tamb = 25
oC, VCC = 9V, IF input = 10mVRMS top sync, D = 90%, Video BW = 5MHz,
Sound carrier input : 5.5MHz, 10mVRMS, fm = 1kHz, Audio BW = 20kHz,
∆f = ± 25kHz,
Volume attenuation = 0dB, Rload on Pin 12 = 1k
Ω, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DEMODULATED VIDEO OUTPUT (Pin 18) (continued)
DG
Differential Gain
IF input = 5mVRMS top sync
3
7
%
DP
Differential Phase
3
7
Degree
V18
Residual Carrier Signal (RMS
value)
110
mV
V18
Residual 2nd Harmonic (RMS
value)
220
mV
I18
Internal Bias of Emitter Follower
3
5
mA
S/N
Signal to Noise Ratio
Note 1
55
dB
Intermodulation 1.07MHz
Note 2
50
dB
VWTH
White Noise Threshold Voltage
See Figure 5
4.5
V
VWIL
White Noise Insertion Level
See Figure 5
3.2
V
VBTH
Black Noise Threshold Voltage
1.3
V
VBIL
Black Noise Insertion Level
2.5
V
AGC CIRCUIT
I24C
Charging Current
550
900
1200
µA
I24D
Discharge Current
12
20
26
µA
C/D
Charging / Discharging Ratio
45
TUNER AGC
I2
Sinked Current
1.2
1.9
2.6
mA
S2
Current Slope
See FIgure 4
300
µA/dB
AFC
AFC Slope
See Figure 2, refer to test circuit
20
mV/kHz
FM SOUND DEMODULATION
V16S
Input Sensitivity
-3dB FM detected signal
60
µV
AMR
Amplitude Modulation Rejection
Note 3
40
53
dB
R16
Limiter Input Resistance
1.2
k
AUDIO OUTPUT (PIn 11)
V11
Detected Audio Output Signal
500
mVRMS
THD
Total Harmonic Distortion
0.2
1
%
S
N
Signal to Noise Ratio
Note 4
68
dB
R11
Internal Deemphasis Resistor
700
1000
1400
VOLUME CONTROL
VC range
Control Range
See Figure 3
80
dB
Notes : 1.
S
N
= 20 Log 10
VOUT black to white
VN (RMS)
at BW = 5MHz
2. Video carrier relative level = 0dB, Chroma subcarrier relative level = -3.2dB, Sound carrier relative level = -20dB.
3. AMR = 20 Log
V11
( mVRMS )
VAM
( mVRMS )
(dB) where VAM = output amplitude in AM for fm = 1kHz and m = 30%
4.
S
N
= 20 Log
V11
( mVRMS )
VN
( mVRMS )
(dB)
TDA8222
4/9


Html Pages

1  2  3  4  5  6  7  8  9 


Datasheet Download




Enlace URL




Privacy Policy
ALLDATASHEET.ES
Does ALLDATASHEET help your business so far?  [ DONATE ]  

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Favorito   |   Intercambio de Enlaces   |   Lista de Fabricantes
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn