SAA7284, SAA7284GP, SAA7284ZP/M2 Selling Leads, Datasheet
MFG:PHI Package Cooled:MOT D/C:N/A
SAA7284, SAA7284GP, SAA7284ZP/M2 Datasheet download
Part Number: SAA7284
MFG: PHI
Package Cooled: MOT
D/C: N/A
SAA7284, SAA7284GP, SAA7284ZP/M2
- Table of contents:
Info of SAA7284
Info of SAA7284GP
Info of SAA7284ZP/M2
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About SAA7284
PDF/DataSheet Download
Datasheet: SAA7284
File Size: 187355 KB
Manufacturer: PHILIPS [Philips Semiconductors]
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About SAA7284GP
PDF/DataSheet Download
Datasheet: SAA7284GP
File Size: 187355 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About SAA-1
PDF/DataSheet Download
Datasheet: SAA-1
File Size: 68126 KB
Manufacturer: SII [Seiko Instruments Inc]
Download : Click here to Download
SAA7284 General Description
Philips Semiconductors have pushed the boundaries of Stereo Sound further with this addition to the successfulTerrestrial Digital Sound Decoder family. The SAA7284 device is an application specific version of the existing SAA7283, with guaranteed improved specification on selected parameters, enabling comparable RF performance in conventional intercarrier PLL-IF systems, to that of the SAA7283 in QSS systems.
The SAA7284 takes, as input, a second IF (intercarrier) Terrestrial TV PAL signal, and performs all the Differential Quadrature Phase Shift Keying (DQPSK) demodulation, digital decoding and digital-to-analog conversion necessary to produce a complete NICAM receiver on a single integrated circuit.
The demodulator function includes integrated baseband filters for pulse shaping and unwanted signal rejection, automatic gain control, a low jitter integrated VCO, digital monostables for precise data sampling points and a multi-standard controller to enable automatic locking to either a PAL system I or PAL system BGH input signal.
The decoder function performs the descrambling, de-interleaving and reformatting operations required to recover the original data words.
The data words are processed through a stereo digital filter, digital de-emphasis network, second order noise shaper and 256 times oversampling Bitstream audio DAC.
SAA7284 Maximum Ratings
| SYMBOL | PARAMETER | CONDITIONS | MIN. | MAX. | UNIT |
| VDDF1, VDDF2, VDDA VSSF1, VSSF2, VSSA VI(max) VO(max) IIOK IO(max) Tamb Tstg Vstat(HBM) Vstat(MM) |
supply voltage (all supplies) ground supply voltage maximum input voltage (any input) maximum output voltage DC input or output diode current output current (each output) ambient operating temperature storage temperature electrostatic handling Human Body Model Machine Model |
note 1 note 2 note 3 |
-0.3 VSSD - 0.5 0 0 - - -20 -55 -2000 -200 |
+6.5 VSSD + 0.5 VDD VDD ±20 ±10 +70 +125 +2000 +200 |
V V V V mA mA °C °C V V |
1. All VDD and VSS connections must be made externally to the same power supply.
2. Electrostatic handling is equivalent to discharging a 100 pF capacitor via a 1.5 kW series resistor with a 15 ns rise time.
3. Electrostatic handling is equivalent to discharging a 200 pF capacitor via a 0 W series resistor with a 15 ns rise time.
SAA7284 Features
· Single-chip solution including FM and vision filters, analog demodulator and audio switching
· Dual standard with automatic selection between PAL system I and BGH
· Suitable for conventional intercarrier PLL-IF (single SAW) TV/VCR systems
· Single low-radiation crystal oscillator for improved EMC
· Stereo bitstream audio DACs
· Programmable attenuator for matching levels of NICAM and FM audio sources at the output of the device
· Full EBU specification NICAM 728 demodulation and decoding
· Digital Audio Interface conforming with EBU/IEC 958
· Automatic mute function which switches from NICAM to FM sound when NICAM fails
· Compatible with either single-ended or differential DQPSK input signals
· Microcomputer controlled via I2C-bus (up to 400 kHz specification).
· Dual standard with automatic selection between PAL system I and BGH
· Suitable for conventional intercarrier PLL-IF (single SAW) TV/VCR systems
· Single low-radiation crystal oscillator for improved EMC
· Stereo bitstream audio DACs
· Programmable attenuator for matching levels of NICAM and FM audio sources at the output of the device
· Full EBU specification NICAM 728 demodulation and decoding
· Digital Audio Interface conforming with EBU/IEC 958
· Automatic mute function which switches from NICAM to FM sound when NICAM fails
· Compatible with either single-ended or differential DQPSK input signals
· Microcomputer controlled via I2C-bus (up to 400 kHz specification).
SAA7284 Typical Application
· Television receivers
· Video cassette recorders.
· Video cassette recorders.
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