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參數資料
| 型號： | UDA1344 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 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字信號處理功能 |
| 文件頁數： | 18/28頁 |
| 文件大?。?/td> | 126K |
| 代理商： | UDA1344 |
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2000 Feb 04
18
Philips Semiconductors
Preliminary specification
Low-voltage low-power stereo audio
CODEC with DSP features
UDA1344TS
AC CHARACTERISTICS
V
DDD
= V
DDA
= V
DDO
= 3.0 V; f
i
= 1 kHz; T
amb
= 25
°
C; R
L
= 5 k
; all voltages referenced to ground; unless otherwise
specified.
Notes
1.
The input voltage can be up to 2 V (RMS) when the current through the ADC input pin is limited to approximately
1 mA by using a series resistor.
The input voltage to the ADC is inversely proportional with the supply voltage.
The output voltage of the UDA1344TS differs from the output voltage of the UDA1340M.
The output of the DAC scales proportionally with the supply voltage.
2.
3.
4.
SYMBOL
PARAMETER
CONDITIONS
TYP.
MAX.
UNIT
Analog-to-digital converter
V
i(rms)
V
i
(THD + N)/S
input voltage (RMS value)
unbalance between channels
total harmonic distortion-plus-noise to signal ratio at 0 dB
notes 1 and 2
1.0
0.1
85
35
95
100
30
80
30
V
dB
dB
dB
dB
dB
dB
at
60 dB; A-weighted
V
i
= 0 V; A-weighted
S/N
α
cs
PSRR
signal-to-noise ratio
channel separation
power supply rejection ratio
f
ripple
= 1 kHz;
V
ripple
= 300 mV (p-p)
Digital-to-analog converter
V
o(rms)
V
o
(THD + N)/S
output voltage (RMS value)
unbalance between channels
total harmonic distortion-plus-noise to signal ratio at 0 dB
notes 3 and 4
900
0.1
90
37
100
100
50
85
mV
dB
dB
dB
dB
dB
dB
at
60 dB; A-weighted
code = 0; A-weighted
S/N
α
cs
PSRR
signal-to-noise ratio
channel separation
power supply rejection ratio
f
ripple
= 1 kHz;
V
ripple
= 300 mV (p-p)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| UDA1344TS | 制造商:PHILIPS 制造商全稱: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 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 |
| UDA1344TS/N2,518 | 功能描述:接口—CODEC AUDIO CODEC-LO VOLT RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 |
| UDA1344TSDB | 功能描述:接口—CODEC AUDIO CODEC W/DSP RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 |
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