參數(shù)資料
型號(hào)： UDA1344
廠商： NXP Semiconductors N.V.
元件分類(lèi)： Codec
英文描述： Low-voltage low-power stereo audio CODEC with DSP features
中文描述： 低電壓低功耗立體聲音頻編解碼器與數(shù)字信號(hào)處理功能
文件頁(yè)數(shù)： 10/28頁(yè)
文件大小： 126K
代理商： UDA1344
2000 Feb 04
10
Philips Semiconductors
Preliminary specification
Low-voltage low-power stereo audio
CODEC with DSP features
UDA1344TS
L3 mode
The UDA1344TS is set to the L3 mode by setting both
pins MC1 and MC2 to LOW level.
The static pins in this mode are used for:
ADC output overload detection
L3 interface signal input
ADC input voltage selection.
The controllable features via the L3 interface and the
definition of the control registers are given in
Section “L3 interface”.
P
INNING DEFINITION
The pinning definition in the L3 mode is given in Table 11.
Table 11
Pinning definition in L3 mode
ADC
OUTPUT OVERLOAD DETECTION
In practice the output is used to indicate whenever the
output data, in either the left or right channel, is greater
than
1 dB (actual figure is
1.16 dB) of the maximum
possible digital swing. When this condition is detected
pin MP1 is forced to HIGH level for at least 512f
s
cycles
(11.6 ms at f
s
= 44.1 kHz). This time-out is reset for each
infringement.
ADC
INPUT VOLTAGE SELECTION
In the L3 mode pin MP5 is used to select 0 or 6 dB gain.
Table 12
Levels for pin MP5
PIN
FUNCTION
MP1
MP2
MP3
MP4
MP5
ADC output overload detection
L3MODE input
L3CLOCK input
L3DATA input
ADC input voltage selection:
1 V (RMS) or 2 V (RMS)
PIN MP4
SELECTION
LOW
HIGH
0 dB gain
6 dB gain
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UDA1344TS 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Low-voltage low-power stereo audio CODEC with DSP features
UDA1344TS/N2 制造商:NXP Semiconductors 功能描述:IC CODEC AUDIO W/DSP 28-SSOP 制造商:NXP Semiconductors 功能描述:IC, CODEC, AUDIO, W/DSP, 28-SSOP
UDA1344TS/N2,512 功能描述:接口—CODEC AUDIO CODEC W/DSP RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
UDA1344TS/N2,518 功能描述:接口—CODEC AUDIO CODEC-LO VOLT RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
UDA1344TSDB 功能描述:接口—CODEC AUDIO CODEC W/DSP RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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