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參數(shù)資料
| 型號： | SAA2505H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | RES 4.99K OHM 1/16W 0.5% 0402SMD |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁數(shù)： | 2/28頁 |
| 文件大?。?/td> | 177K |
| 代理商： | SAA2505H |
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1998 Mar 10
2
Philips Semiconductors
Preliminary specification
Digital multi-channel audio IC (DUET)
SAA2505H
FEATURES
Hardware 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 I
2
S-bus inputs with normal, double and quad speed
mode (slave only)
Second serial input usable for ADC (Karaoke input)
Three normal and double speed I
2
S-bus outputs (slave
and master from 256 and 384f
s
)
One normal, double, quad speed I
2
S-bus output (slave
and master from 256 and 384f
s
)
Japanese EIAJ serial input and output formats
Sony Philips Digital Interface (SPDIF) output
I
2
C-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 I
2
C-bus command
AC-3 and MPEG bitstream information available via the
I
2
C-bus
Concealment of CRC errors
SPDIF coded output
Fully programmable SPDIF channel status information.
APPLICATIONS
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.
GENERAL
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 I
2
S-bus.
The primary device output is PCM, sent via four I
2
S-bus
ports. There is also a SPDIF (IEC 60958) formatted
output.
User control is achieved via an I
2
C-bus. However, the
SAA2505H is capable of stand-alone operation.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA2510 | Video CD VCD decoder |
| SAA2520GP | Stereo filter and codec for MPEG layer 1 audio applications |
| SAA2520 | Stereo filter and codec for MPEG layer 1 audio applications |
| SAA3004 | Remote control transmitter |
| SAA3004P | Remote control transmitter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA2505H-M1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital multi-channel audio IC DUET |
| SAA2510 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Video CD VCD decoder |
| SAA2511DEB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| SAA2520 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Stereo filter and codec for MPEG layer 1 audio applications |
| SAA2520GP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Stereo filter and codec for MPEG layer 1 audio applications |
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