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| 型號： | TDA6650TT |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| 中文描述： | 5伏混頻器/振蕩器，低噪聲的混合型地面調(diào)諧器鎖相環(huán)頻率合成器（數(shù)字和模擬） |
| 文件頁數(shù)： | 3/55頁 |
| 文件大小： | 377K |
| 代理商： | TDA6650TT |
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2004 Mar 22
3
Philips Semiconductors
Product specification
5 V mixer/oscillator and low noise PLL synthesizer
for hybrid terrestrial tuner (digital and analog)
TDA6650TT;
TDA6651TT
1
FEATURES
Single-chip 5 V mixer/oscillator and low phase noise
PLL synthesizer for TV and VCR tuners, dedicated to
hybrid (digital and analog) as well as pure digital
applications (DVB-T)
Five possible step frequencies to cope with different
digital terrestrial TV and analog TV standards
Eight charge pump currents between 40 and 600
μ
A to
reach the optimum phase noise performance over the
bands
Automatic Loop Bandwidth Control (ALBC) sets the
optimum phase noise performance for DVB-T channels
I
2
C-bus protocol compatible with 2.5, 3.3 and 5 V
microcontrollers:
– Address + 5 data bytes transmission (I
2
C-bus write
mode)
– Address + 1 status byte (I
2
C-bus read mode)
– Four independent I
2
C-bus addresses
Five PMOS open-drain ports with 15 mA source
capability for band switching and general purpose; one
of these ports is combined with a 5-step ADC
Wide band AGC detector for internal tuner AGC:
– Six programmable take-over points
– Two programmable time constants
– AGC flag
In-lock flag
Crystal frequency output buffer
33 V tuning voltage output
Fractional-N programmable divider
Balancedmixerswithacommonemitterinputforthelow
band and for the mid band (each single input)
Balanced mixer with a common base input for the high
band (balanced input)
2-pin asymmetrical oscillator for the low band
2-pin symmetrical oscillator for the mid band
4-pin symmetrical oscillator for the high band
Switched concept IF amplifier with both asymmetrical
and symmetrical outputs to drive low impedance or
SAW filters i.e. 500
//40 pF.
2
APPLICATIONS
Digital and analog terrestrial tuners (OFDM, PAL, etc.)
Cable tuners (QAM)
Digital TV sets
Digital set-top boxes.
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| TDA6650 | 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651 | 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651TT | 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6800 | Video modulator circuit |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA6650TT/C3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6650TT/C3/S2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651ATT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6651ATT/C3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
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