參數(shù)資料
型號： ATJ2073
廠商： Electronic Theatre Controls, Inc.
英文描述： The ATJ2073 is a single-chip highly-intergrated digital music system solution for devices such as dedicated audio players, PDAs, and cell phones
中文描述： 在ATJ2073是一種單芯片高intergrated數(shù)字音樂的設(shè)備系統(tǒng)，如專用的音頻播放器，PDA和手機(jī)解決方案
文件頁數(shù)： 24/45頁
文件大?。?/td> 690K
代理商： ATJ2073
16
22.05
24
MPEG 1
SR\BR
32
32
44.1
48
ATJ2073
Data Sheet
Page 24 of 45
Actions Semiconductor Co.,LTD
40
48
56
64
80
96
112
128 160 192 224 256 320
Table 1. Sample rates and Bit rates of Layer III supported
MPEG 2
SR\BR
8
16
22.05
24
MPEG 1
SR\BR
32
32
44.1
48
16
24
32
40
48
56
64
80
96
112
128 144 160
48
56
64
80
96
112
128 160 192 224 256 320 384
Table 2. Sample rates and Bit rates of Layer II supported
MPEG 2
SR\BR
32
16
22.05
24
MPEG 1
SR\BR
32
32
44.1
48
48
56
64
80
96
112
128 144 160 176 192 224 256
64
96
128 160 192 224 256 288 320 352 384 416 448
Table 3. Sample rates and Bit rates of Layer I supported
5.6 Microphone Interface
Microphone interface is composed of microphone pre-amplifier and 16-bit ADC.
Microphone pre-amplifier has 35db gain at least for suitable recording volume so the noise of microphone
power supply must be very low. It is composed of a regulator and an external first order RC LPF. AGC
function is implemented by a variable gain amplifier and 4 register bits (MCU code control).
The ADC adopts switched-capacitor successive approximation method. Its input is from microphone pre-
amplifier’s output. Function enable, sampling frequency select, and some other control signals are all from
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ATJ2075 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MP3/WMA Decoder with Drive-less USB Interface and Voice Record
ATJ2085 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ATJ2085 is a single-chip for flash-based digital music player
ATJG523VTR 功能描述:觸覺開關(guān) SW TACT SPST 0.05A 12VDC RoHS:否 制造商:C&K Components 工作力:2 N 執(zhí)行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關(guān)功能: 安裝風(fēng)格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝:
ATJG524VTR 功能描述:觸覺開關(guān) SW TACT SPST 0.05A 12VDC RoHS:否 制造商:C&K Components 工作力:2 N 執(zhí)行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關(guān)功能: 安裝風(fēng)格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝:
ATJG533VTR 功能描述:觸覺開關(guān) SW TACT SPST 0.05A 12VDC RoHS:否 制造商:C&K Components 工作力:2 N 執(zhí)行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關(guān)功能: 安裝風(fēng)格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝:
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