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參數(shù)資料
| 型號： | UDA1331H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | Universal Serial Bus USB Audio Playback Peripheral APP |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-319-2, QFP-64 |
| 文件頁數(shù)： | 31/40頁 |
| 文件大?。?/td> | 181K |
| 代理商： | UDA1331H |
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1998 Oct 06
31
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) Audio
Playback Peripheral (APP)
UDA1331H
Notes
1.
A 3rd overtone crystal of 48 MHz must be used in combination with a filter connected to the oscillator output (XTAL2),
(L = 1.5
μ
H
±
10%; C = 10 nF
±
10%). The series resistance of the crystal must be below 60
. C
xtal1
= 4.7 pF
±
10%;
C
xtal2
= 12 pF
±
10%).
Strongly depends on the external decoupling capacitor connected to V
ref
.
Use for calculation of the power-on reset set-up time the C
ref
value in
μ
F.
The audio information from the USB interface is fed directly to the ADAC.
2.
3.
4.
APPLICATION INFORMATION
The UDA1331H can only be used in combination with an external (E)PROM. This (E)PROM can be connected to the
port pins (P0 and P2) of the UDA1331H and must contain the firmware for the microcontroller. The UDA1331H will be
delivered with standard USB compliant firmware.
The I
2
C-bus EEPROM is optional and can be used to configure client specific configurations and descriptors.
More information about the firmware, descriptors and configurations can be obtained from several application notes.
(THD + N)/S total harmonic distortion-plus-noise
to signal ratio
f
s
= 44.1 kHz;
R
L
= 5 k
at input signal of
1 kHz (0 dB)
90
90
(4)
0.0032
30
(4)
3.2
95
80
0.01
20
10
dB
%
dB
%
dBA
at input signal of
1 kHz (
60 dB)
S/N
bz
signal-to-noise ratio at bipolar zero
A-weighted at
code 0000H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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| UDA1334ATS/N2,118 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC ULTRA LOW COST 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 |
| UDA1334ATSDH | 功能描述:數(shù)模轉(zhuǎn)換器- DAC AUDIO DAC LP 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 |
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