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參數(shù)資料
| 型號： | TDA4470-MFLG3Y |
| 廠商： | ATMEL CORP |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO28 |
| 封裝： | ROHS COMPLIANT, SOP-28 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大?。?/td> | 350K |
| 代理商： | TDA4470-MFLG3Y |
12
4803C–TVVCR–10/05
TDA4470
AFC Switch
19
Control voltage:
AFC “off”
AFC curve rising
AFC curve falling
(8)
VSW
0
1.5
3.5
0.8
2.5
VS
V
Switching current
ISW
±100
A
L’ switch
14
Control voltage:
L’ frequency +
L’-VCO alignment
V
SW
03.0
V
L standard
(9)
3.4
V
S
V
Switching current
V
SW = 0
I
SW
700
A
SIF Inputs
1-2, 27-28
Input sensitivity
(RMS value)
Output signal
at pin 24/25: –3 dB
V
IN
80
120
V
RMS
Input impedance
(1)
RIN
1.2
k
Input capacitance
(1)
CIN
2pF
SIF-AGC
5
IF gain control range
GV
60
65
dB
AGC capacitor
CAGC
10
F
Intercarrier Output-FM
24(10)
DC output voltage
VDC
2V
Output resistance
(1)
ROUT
150
Sound IF output voltage
(5.5 MHz output voltage)
VIN = 10 mV
VOUT
180
250
350
mVRMS
7.
Electrical Characteristics (Continued)
VS = +5V, Tamb = +25°C; reference point pin 4 (9, 16), unless otherwise specified.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Notes:
1. This parameter is given as an application information and has not been tested during production.
2. In VCR mode, the VIF- and SIF path is switched off.
3. The adjustment of the turn over point (delayed tuner AGC) with the external resistor RTOP or external voltage VTOP is
possible.
4. Resonance circuit of VCO (fo = 38.9 MHz): CVCO = 8.2 - 10 pF,
Coil LVCO with unloaded Q-factor Qo ≥ 60 for an oscillator voltage ≥ 100 mVRMS at pin 20 - 21
(e.g., TOKO coil 7 KM, 292 XNS - 4051Z).
5. The oscillator drift is related to the picture carrier frequency, given that the external LC circuit is temperature-compensated.
6.
α (1.07) = 20 log (4.43 MHz component/1.07 MHz component); α (1.07) value related to black-white signal
input signal conditions: picture carrier = 0 dB, colour carrier = –6 dB, sound carrier = –24 dB.
7. Without external control at pin 13 the IC automatically operates in mode 1:
negatively modulated video-IF signals and FM/NICAM sound signals.
8. Without a control voltage at pin 19 the falling AFC curve is automatically selected.
9. With an open circuit at pin 14 the L’ switch is not active.
10. Picture carrier PC = 38.9 MHz; sound carrier SC
1 = 33.4 MHz, SC2 = 33.16 MHz;
PC/SC
1 =13 dB; PC/SC2 = 20 dB; PC unmodulated (equivalent to synchronous peak level).
11. Sound carrier SC = 32.4 MHz, modulated with fmod = 1 kHz, m = 54%; VIN =10 mV
12. Without a control voltage at pin 3 the SIF input 1 is automatically selected.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA4470-MFLY | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO28 |
| TDA4470-MFSG3Y | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO28 |
| TDA4470-MFSY | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO28 |
| TDA4470-MSD | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| TDA4470-MFLG3 | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA4470-MFLY | 功能描述:功率驅(qū)動器IC COM.VIDEO SOUND IF F. TV RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TDA4470-MFSG3Y | 功能描述:功率驅(qū)動器IC COM.VIDEO SOUND IF F. TV RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TDA4470-MFSY | 功能描述:功率驅(qū)動器IC COM.VIDEO SOUND IF F. TV RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TDA4470-MSD | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Multistandard Video-IF and Quasi Parallel Sound Processing |
| TDA4471 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Multistandard Video-IF and Quasi Parallel Sound Processing |
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