參數(shù)資料
型號： UDA1345
廠商： NXP Semiconductors N.V.
元件分類： Codec
英文描述： Economy audio CODEC
中文描述： 經(jīng)濟音頻CODEC
文件頁數(shù)： 10/28頁
文件大小： 126K
代理商： UDA1345
2000 Apr 18
10
Philips Semiconductors
Preliminary specification
Economy audio CODEC
UDA1345TS
S
YSTEM CLOCK
Under static pin control the options are 256f
s
and 384f
s
.
With pin MP3 (pin 14) the mode can be set as is given in
Table 8.
Table 8
System clock settings under static pin mode
M
UTE AND DE
-
EMPHASIS
Under static pin control via MP2 de-emphasis and mute
can be selected for the playback path. The definition of the
MP2 pin is given in Table 9.
Table 9
Settings for pin MP2
M
ULTIPLE FORMAT INPUT
/
OUTPUT INTERFACE
The data input/output formats supported under static pin
control are as follows:
I
2
S-bus with data word length of up to 24 bits
MSB-justifiedserial formatwith datawordlength ofupto
24 bits
Two combined data formats with MSB data output and
LSB 16 and 20 bits data input.
The data formats can be selected using pins MP1 (pin 9)
and MP5 (pin 20) as given in Table 10.
Table 10
Data format settings under static pin control
The formats are illustrated in Fig.3. Left and right data
channel words are time multiplexed.
ADC
INPUT VOLTAGE CONTROL
The UDA1345TS supports a 2 V (RMS) input using a
series resistor as described in Section “Analog front-end”.
In static pin mode the 3-level pin MP4 (pin 15) is used to
select 0 or 6 dB gain mode. When MP4 is set LOW the
ADC is powered-down. When MP4 is set to half the power
supply voltage, then 6 dB gain is selected, and when MP4
is set HIGH then 0 dB gain is selected.
Table 11
MP4 mode settings (static mode)
MODE
MP3
256f
s
system clock
384f
s
system clock
LOW
HIGH
MODE
MP2
No de-emphasis and mute
De-emphasis 44.1 kHz
Muted
LOW
0.5V
DDD
HIGH
INPUT FORMAT
MP1
MP5
MSB mode
I
2
S-bus
MSB output
LSB 20 input
MSB output
LSB 16 input
LOW
LOW
HIGH
LOW
HIGH
LOW
HIGH
HIGH
MODE
MP4
ADC power-down mode
6 dB gain mode
0 dB gain mode
LOW
MID
HIGH
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相關代理商/技術參數(shù)
參數(shù)描述
UDA1345TS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy audio CODEC
UDA1345TS/N2 制造商:NXP Semiconductors 功能描述:IC CODEC AUDIO 28-SSOP 制造商:NXP Semiconductors 功能描述:IC, CODEC, AUDIO, 28-SSOP
UDA1345TS/N2,112 功能描述:接口—CODEC AUDIO CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
UDA1345TS/N2,118 功能描述:接口—CODEC ECONOMY CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
UDA1345TS/N2118 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述:
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