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參數(shù)資料
| 型號： | UDA1350AH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | IEC 958 audio DAC(IEC 958音頻轉換器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44 |
| 文件頁數(shù)： | 12/36頁 |
| 文件大小： | 154K |
| 代理商： | UDA1350AH |
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1999 Dec 16
12
Philips Semiconductors
Preliminary specification
IEC 958 audio DAC
UDA1350AH
8.5.3
A
UDIO FEATURE PROCESSOR
The audio feature processor automatically provides
de-emphasis for the IEC 958 data stream in the static pin
control mode and default mute at start-up in the L3 control
mode.
When used in the L3 control mode it provides the following
additional features:
Volume control using 6 bits
Bass boost control using 4 bits
Treble control using 2 bits
Mode selection of the sound processing bass boost and
treble filters: flat, minimum and maximum
Soft mute control with raised cosine roll-off
De-emphasis selection of the incoming data stream for
f
s
= 32.0, 44.1 and 48.0 kHz.
8.5.4
I
NTERPOLATOR
The UDA1350AH includes an on-board interpolating filter
which converts the incoming data stream from 1f
s
to 128f
s
by cascading a recursive filter and a FIR filter.
Table 2
Interpolator characteristics
8.5.5
N
OISE SHAPER
The third-order noise shaper operates at 128f
s
. It shifts
in-band quantization noise to frequencies well above the
audio band. This noise shaping technique enables high
signal-to-noise ratios to be achieved. The noise shaper
output is converted into an analog signal using a filter
stream digital-to-analog converter.
8.5.6
F
ILTER STREAM
DAC
The Filter Stream DAC (FSDAC) is a semi-digital
reconstruction filter that converts the 1-bit data stream of
the noise shaper to an analog output voltage. The filter
coefficients are implemented as current sources and are
summed at virtual ground of the output operational
amplifier. In this way very high signal-to-noise
performance and low clock jitter sensitivity is achieved. A
post filter is not needed due to the inherent filter function of
the DAC. On-board amplifiers convert the FSDAC output
current to an output voltage signal capable of driving a line
output.
The output voltage of the FSDAC is scaled proportionally
with the power supply voltage.
PARAMETER
CONDITIONS
VALUE (dB)
±
0.03
50
115
3.5
Pass-band ripple
Stop band
Dynamic range
DC gain
0 to 0.45f
s
>0.65f
s
0 to 0.45f
s
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| UDA1350ATS | IEC 958 audio DAC |
| UDA1351 | 96 kHz IEC 958 audio DAC |
| UDA1351H | 96 kHz IEC 958 audio DAC |
| UDA1351TS | 96 kHz IEC 958 audio DAC |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UDA1350ATS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:IEC 958 audio DAC |
| UDA1351 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:96 kHz IEC 958 audio DAC |
| UDA1351H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:96 kHz IEC 958 audio DAC |
| UDA1351H/N1,551 | 功能描述:數(shù)模轉換器- DAC 96 KHZ SPDIF DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| UDA1351H/N1,557 | 功能描述:數(shù)模轉換器- DAC 96 KHZ SPDIF DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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