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參數(shù)資料
| 型號： | 935233970518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 噪聲抑制 |
| 英文描述： | B Type, DOLBY NOISE REDUCTION IC, PDSO32 |
| 封裝： | 7.50 MM, PLASTIC, SOT-287-1, SOP-32 |
| 文件頁數(shù)： | 12/31頁 |
| 文件大?。?/td> | 228K |
| 代理商： | 935233970518 |
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1998 Mar 13
2
Philips Semiconductors
Product specication
Dolby* Pro Logic Surround;
Incredible Sound
SAA7710T
FEATURES
Two stereo I2S-bus digital input channels
Three stereo I2S-bus digital output channels
I2C-bus mode control
Up to 45 ms on-chip delay-line (fs = 44.1 kHz)
Optional clock divider for crystal oscillator
Package: SO32L
Operating supply voltage range: 4.5 to 5.5 V.
Functions
4-channel active surround, 20 Hz to 20 kHz
(maximum 1
2fs)
Adaptive matrix
7 kHz low-pass filters
Adjustable delay for surround channel
Modified Dolby B noise reduction
Noise sequencer
Variable output matrix
Sub woofer
Centre mode control: on/off, normal, phantom, wide
Output volume control
Automatic balance and master level control with
DC-offset filter
Hall/matrix surround sound functions
Incredible sound functions
5-band parametric equalizer on main channels left,
centre, right (fs = 32 kHz)
Tone control (bass/treble) on all four output channels
(fs = 44.1 kHz).
GENERAL DESCRIPTION
This data sheet describes the 104 ROM-code version of
the SAA7710T chip. The SAA7710T chip is a high quality
audio-performance digital add-on processor for digital
sound systems. It provides all the necessary features for
complete Dolby Pro Logic surround sound on chip.
In addition to the Dolby Pro Logic surround function, this
device also incorporates a 5-band parametric equalizer, a
tone control section and a volume control. Instead of Dolby
Pro Logic surround, the Hall/matrix surround and
Incredible sound functions can be used together with the
equalizer or tone control.
QUICK REFERENCE DATA
Remark Dolby*: Dolby’ and ‘Pro Logic’ are trademarks of Dolby Laboratories Licensing Corporation. They are available
only to licensees of Dolby Laboratories Licensing Corporation, San Francisco, CA94111, USA, from whom licensing and
application information must be obtained.
ORDERING INFORMATION
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VDD
DC supply voltage
0.5
+6.5
V
VDD
voltage difference between two VDDx pins
550
mV
Vi
maximum input voltage
0.5
VDD + 0.5 V
IDD
DC supply current
50
mA
ISS
DC supply current
50
mA
Tamb
ambient operating temperature
40
+85
°C
Tstg
storage temperature range
65
+150
°C
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
SAA7710T/N104
SO32
plastic small outline package; 32 leads; body width 7.5 mm
SOT287-1
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