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參數(shù)資料
| 型號(hào)： | UDA1334BT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DAC |
| 英文描述： | Low power audio DAC |
| 中文描述： | SERIAL INPUT LOADING, 24-BIT DAC, PDSO16 |
| 封裝： | 3.90 MM, PLASTIC, MS-012, SOT-109-1, SOP-16 |
| 文件頁(yè)數(shù)： | 9/24頁(yè) |
| 文件大?。?/td> | 108K |
| 代理商： | UDA1334BT |
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2002 May 22
9
Philips Semiconductors
Product specification
Low power audio DAC
UDA1334BT
8.6
Feature settings
The features of the UDA1334BT can be set by control
pins SFOR1, SFOR0, MUTE, DEEM and PCS.
8.6.1
D
IGITAL INTERFACE FORMAT SELECT
The digital audio interface formats (see Fig.5) can be
selected via the pins SFOR1 and SFOR0 as shown in
Table 4.
Table 4
Data format selection
8.6.2
M
UTE CONTROL
The output signal can be soft muted by setting pin MUTE
to HIGH level as shown in Table 5.
Table 5
Mute control
8.6.3
D
E
-
EMPHASIS CONTROL
De-emphasis can be switched on for f
s
= 44.1 kHz by
setting pin DEEM at HIGH level. The function description
of pin DEEM is given in Table 6.
Table 6
De-emphasis control
Remark:
the de-emphasis function in only supported in
the normal operating mode, not in the low sampling
frequency mode.
8.6.4
P
OWER CONTROL AND SAMPLING FREQUENCY
SELECT
Pin PCS is a 3-level pin and is used to set the mode of the
UDA1334BT. The definition is given in Table 7.
Table 7
PCS function definition
The low sampling frequency mode is required to have a
higher oversampling rate in the noise shaper in order to
improve the signal-to-noise ratio. In this mode the
oversamplingratioofthenoiseshaperwillbe128f
s
instead
of 64f
s
.
SFOR1
SFOR0
INPUT FORMAT
I
2
S-bus input
LSB-justified 16 bits input
LSB-justified 20 bits input
LSB-justified 24 bits input
LOW
LOW
HIGH
HIGH
LOW
HIGH
LOW
HIGH
MUTE
FUNCTION
LOW
HIGH
mute off
mute on
DEEM
FUNCTION
LOW
HIGH
de-emphasis off
de-emphasis on
PCS
FUNCTION
LOW
MID
HIGH
normal operating mode
low sampling frequency mode
Power-down or Sleep mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UDA1334BT/N2 | 制造商:NXP Semiconductors 功能描述:IC DAC AUDIO LP 16-SOIC |
| UDA1334BT/N2,112 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC LOW POWER AUDIO DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| UDA1334BT/N2,118 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC LOW POWER AUDIO DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| UDA1334BTD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC LOW POWER AUDIO DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| UDA1334BTS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power audio DAC |
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