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參數(shù)資料
| 型號(hào)： | SAA7740 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Digital Audio Processing IC DAPIC |
| 中文描述： | 數(shù)字音頻處理集成電路賈皮奇 |
| 文件頁(yè)數(shù)： | 2/28頁(yè) |
| 文件大小： | 142K |
| 代理商： | SAA7740 |
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1997 May 30
2
Philips Semiconductors
Product specification
Digital Audio Processing IC (DAPIC)
SAA7740H
FEATURES
Hardware
Two digital inputs and two digital outputs in the I
2
S-bus
format (i.e. 4 audio channels)
Independent input/output interfaces
Slave input/output interfaces
Slave processing
I
2
C-bus microcontroller interface
DC filtering at the inputs
One programmable 2nd-order digital filter unit
Two multiply accumulate processor units
(24
×
16-bit/MAC)
DRAM interface and address computation unit for
external delay lines
On-chip coefficient and external delay line address
storage
Hardware controlled soft mute via the MUTE pin
Hardware controlled soft demute via the RST pin
Operating ambient temperature;
40 to +85
°
C.
Software
5-band parametric equalizer with selectable centre
frequency, slope setting and boost/cut gain settings
from
12 to +12 dB
Stereo width control from mono to stereo to spatial
stereo
Stereo Hall-effects for field acoustics, such as concert
halls, with 8 coefficients and 8 delayed taps per channel
External delay line processing for delays up to 1 second
Reverberation with selectable reverberation time (up to
5 seconds) and energy
Three different surround sound programs to obtain a
spatial effect on 4 loudspeakers
Passive DOLBY surround processing with the addition
of an external dynamic noise reduction IC
Karaoke processing
Dual 16th-order correction filtering
Quad 8th-order correction filtering
Digital volume and balance control
Soft controlled soft mute/demute via the microcontroller
interface
Input switching matrix
Output rear and front switching matrix.
APPLICATIONS
Digital amplifiers
Audio combination sets
Car audio systems
TV audio channels.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
DD(tot)
I
DD(tot)
f
xtal
P
tot
T
amb
total DC supply voltage
total DC supply current
input crystal frequency
total power dissipation
operating ambient temperature
all V
DD
pins
f
xtal
= 16.9344 MHz
4.5
12.288
40
5.0
60
16.9344
0.3
5.5
23.0
+85
V
mA
MHz
W
°
C
f
xtal
= 16.9344 MHz
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
SAA7740H
QFP64
plastic quad flat package; 64 leads (lead length 1.95 mm); body
14
×
20
×
2.8 mm
SOT319-2
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| SAA7740H | Digital Audio Processing IC DAPIC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7740H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Audio Processing IC DAPIC |
| SAA7750-N1D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Generic device for portable multimedia applications |
| SAA7780 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ThunderBird Q3D PCI Audio Accelerator |
| SAA7785 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ThunderBird Avenger PCI Audio Accelerator |
| SAA7806 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One chip automotive CD audio device |
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