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參數資料
型號: UCB1400
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Audio codec with touch screen controller and power management monitor
中文描述: 音頻編解碼器與觸摸屏控制器和電源管理監控
文件頁數: 20/63頁
文件大小: 674K
代理商: UCB1400
Philips Semiconductors
UCB1400
Audio codec with touch screen controller
and power management monitor
Product data
Rev. 02 — 21 June 2002
20 of 63
9397 750 09611
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
9.
Audio codec
9.1 ADC analog front-end
The analog front-end of the UCB1400 consists of one stereo ADC with a selector in
front of it. Using this selector, one can either select the microphone input with a
dedicated Low Noise Amplifier (LNA), or the line input with a Programmable Gain
Amplifier (PGA). Via appropriate AC ’97 register settings, the following modes can be
supported:
Standby mode: all PGAs, LNA and ADCs are powered down.
Stereo line in mode: the PGAs are used, and the LNA is powered down.
Microphone mode: the PGAs and right channel ADC are powered down, and
MICGND switch is on. The mono microphone signal can be sent to both left and
right input of the decimation filter via a MUX in front of the decimation input.
One line-in and one microphone mode: the left PGA is powered down.
Fig 14. Audio codec block diagram.
HEADPHONE
DRIVER
NOISE
SHAPER
INTERPOLATION
FILTER
DSP
FEATURES
FSDAC
FSDAC
BB, TR, DE, ML, MR, MM
0
1
CLOCK
MODULE
DR, AR
PLL
24.576 MHz
LINE_OUT_L
VREFDRV
LINE_OUT_R
DAC CLOCKS
ADC CLOCKS
1
0
LEFT, RIGHT
FROM AC LINK
DECIMATION
FILTER
TO AC LINK
LEFT, RIGHT
DC, HIPS, GL, GR, RM
OVERLOAD DETECTION
OVFL
LPBK
SR = LINE_IN_R
ADC
ADC
0
1
SR = LINE_IN_L
LNA
PGA
PGA
GR
GL
0/20 dB
LINE_IN_R
LINE_IN_L
MICP
MICGND
(SL = MIC) & NOT POWERED DOWN
SN00245
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相關代理商/技術參數
參數描述
UCB1400BE 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Audio codec with touch screen controller and power management monitor
UCB1400BE,128 功能描述:接口—CODEC AUDIO CODEC WITH TOUCHSCREEN 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
UCB1400BE,151 功能描述:接口—CODEC AUDIO CODEC 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
UCB1400BE,157 功能描述:接口—CODEC DO NOT USE ORDER -S OR -T PART 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
UCB1400BEFE 功能描述:IC AUDIO CODEC W/TCH SCRN 48LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標準包裝:2,500 系列:- 類型:立體聲音頻 數據接口:串行 分辨率(位):18 b ADC / DAC 數量:2 / 2 三角積分調變:是 S/N 比,標準 ADC / DAC (db):81.5 / 88 動態范圍,標準 ADC / DAC (db):82 / 87.5 電壓 - 電源,模擬:2.6 V ~ 3.3 V 電壓 - 電源,數字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應商設備封裝:48-TQFN-EP(7x7) 包裝:帶卷 (TR)
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