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Part Number: SAA2505H
Description: The SAA2505H decodes multi-channel audio up to MPEG 7.1, AC-3 5.1 and pro-logic on a dual DSP core. Th...
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SAA2505H
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DataSheet
General Description
SAA2505H General Description
The SAA2505H decodes multi-channel audio up to MPEG 7.1, AC-3 5.1 and pro-logic on a dual DSP core. The device contains all of the RAM and ROM necessary for operation. This minimises the need for external components and no microcode download is required.
The device is primarily intended for audio/video surround sound amplifiers where the amplifier is connected to the data source by means of SPDIF (IEC 60958). The input interface is, therefore, made for SPDIF (IEC 60958) and formatted for the I2S-bus.
The primary device output is PCM, sent via four I2S-bus ports. There is also a SPDIF (IEC 60958) formatted output.
User control is achieved via an I2C-bus. However, the SAA2505H is capable of stand-alone operation.
SAA2505H Maximum Ratings
| SYMBOL | PARAMETER | CONDITIONS | MIN. | MAX. | UNIT |
| VDDD DVDDD |
digital supply voltage voltage difference between two supply voltage pins |
-0.3 - |
+3.3 330 |
V mV | |
| IIK IOK IO |
DC input clamp diode current DC output clamp diode current DC output source or sink current |
VI < -0.3 V or VI > VDDD + 0.3 V output type 4 mA; VO < -0.3 V or VO > VDDD + 0.3 V output type 4 mA; -0.3 V < VO < VDDD + 0.3 V |
- - - |
±10 ±10 ±10 |
mA mA mA |
| IDDD ISSD | DC current per supply pin (VDDD or VSSD) |
- | ±500 | mA | |
| Tamb Tstg LTCH |
operating ambient temperature storage temperature range latch-up protection |
CIC specification/test method |
0 -55 100 |
70 +125 - |
°C °C mA |
| VESD | electrostatic discharge sensitivity for all pins |
note 1 note 2 |
-2000 -300 |
+2000 +300 |
V V |
1. Human body model: equivalent to discharging a 100 pF capacitor through a 1500 resistor.
2. Machine model: equivalent to discharging a 200 pF capacitor through a 0 resistor.
SAA2505H Features
· Two 40 MIPS 20-bit DSP cores
· All input and output buffer RAM is on-chip
· Program ROM on-chip for all decoding modes
· Two I2S-bus inputs with normal, double and quad speed mode (slave only)
· Second serial input usable for ADC (Karaoke input)
· Three normal and double speed I2S-bus outputs (slave and master from 256 and 384fs)
· One normal, double, quad speed I2S-bus output (slave and master from 256 and 384fs)
· Japanese EIAJ serial input and output formats
· Sony Philips Digital Interface (SPDIF) output
· I2C-bus control (up to 400 kHz)
· 3.3 V supply with 5 V TTL compatible inputs/outputs
· Boundary scan for printed-circuit board testing. Software features
· AC-3 up to 5.1 channels
· MPEG 2 L2 up to 7.1 channels
· MPEG 1 L2 (Video-CD) 2 channels at 44.1 kHz
· Dolby pro-logic decoding at 32, 44.1 and 48 kHz
· Output configuration for 7, 5, 4, 3, 2 and 1 channels with or without Low Frequency Enhancement (LFE)
· Bass redirection for small satellite loudspeakers plus subwoofer
· Karaoke voice mix
· Dynamic range compression (AC-3 and MPEG)
· Adjustable delay up to 15 ms for surround channels (1.5 kbyte words)
· Adjustable delay up to 5 ms for centre channel (250 words)
· Rounding to DAC word length
· Mute by pin and I2C-bus command
· AC-3 and MPEG bitstream information available via the I2C-bus
· Concealment of CRC errors
· SPDIF coded output
· Fully programmable SPDIF channel status information.
· All input and output buffer RAM is on-chip
· Program ROM on-chip for all decoding modes
· Two I2S-bus inputs with normal, double and quad speed mode (slave only)
· Second serial input usable for ADC (Karaoke input)
· Three normal and double speed I2S-bus outputs (slave and master from 256 and 384fs)
· One normal, double, quad speed I2S-bus output (slave and master from 256 and 384fs)
· Japanese EIAJ serial input and output formats
· Sony Philips Digital Interface (SPDIF) output
· I2C-bus control (up to 400 kHz)
· 3.3 V supply with 5 V TTL compatible inputs/outputs
· Boundary scan for printed-circuit board testing. Software features
· AC-3 up to 5.1 channels
· MPEG 2 L2 up to 7.1 channels
· MPEG 1 L2 (Video-CD) 2 channels at 44.1 kHz
· Dolby pro-logic decoding at 32, 44.1 and 48 kHz
· Output configuration for 7, 5, 4, 3, 2 and 1 channels with or without Low Frequency Enhancement (LFE)
· Bass redirection for small satellite loudspeakers plus subwoofer
· Karaoke voice mix
· Dynamic range compression (AC-3 and MPEG)
· Adjustable delay up to 15 ms for surround channels (1.5 kbyte words)
· Adjustable delay up to 5 ms for centre channel (250 words)
· Rounding to DAC word length
· Mute by pin and I2C-bus command
· AC-3 and MPEG bitstream information available via the I2C-bus
· Concealment of CRC errors
· SPDIF coded output
· Fully programmable SPDIF channel status information.
SAA2505H Typical Application
The SAA2505H is intended for all markets where a multi-channel audio decoder for Dolby AC-3 and MPEG 2 is required.
Primary markets are for DVD video players, TV sets and audio/video amplifiers.
Primary markets are for DVD video players, TV sets and audio/video amplifiers.
SAA2505H Connection Diagram
SAA2505H
PDF/DataSheet Download
- Datasheet: SAA2505H
- File Size: 182081 KB
- Manufacturer: PHILIPS [Philips Semiconductors]
- Click here to Download
- ·SAA-1
- SII [Seiko Instruments Inc]
- Single-Mode FC ADAPTOR supplied
- 68126 KB
- ·SAA-101100
- SII [Seiko Instruments Inc]
- Single-Mode FC ADAPTOR supplied
- 68126 KB
- ·SAA-101200
- SII [Seiko Instruments Inc]
- Single-Mode FC ADAPTOR supplied
- 68126 KB
- ·SAA-102100
- SII [Seiko Instruments Inc]
- Single-Mode FC ADAPTOR supplied
- 68126 KB
- ·SAA-102200
- SII [Seiko Instruments Inc]
- Single-Mode FC ADAPTOR supplied
- 68126 KB
- ·SAA1027
- PHILIPS [Philips Semiconductors]
- STEPPER MOTOR DRIVE CIRCUIT
- 220011 KB
- ·SAA1027N
- MOTOR CONTROLLER,DIP,16PIN
- 220011 KB
- ·SAA1029
- ETC [ETC]
- UNIVERSAL INDUSTRIAL LOGIC AND INTERFACE CIRCUIT
- 164861 KB
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