參數(shù)資料
型號(hào)： AD1893
廠商： Analog Devices, Inc.
英文描述： Low Cost SamplePort 16-Bit Stereo Asynchronous Sample Rate Converter(低成本采樣端口16位立體聲異步采樣率轉(zhuǎn)換器)
中文描述： 低成本SamplePort 16位立體聲異步采樣率轉(zhuǎn)換器（低成本采樣端口16位立體聲異步采樣率轉(zhuǎn)換器）
文件頁(yè)數(shù)： 5/20頁(yè)
文件大?。?/td> 338K
代理商： AD1893
AD1893
REV. 0
–5–
AD1893 PIN LIST
Serial Input Interface
Pin Name
DIP
TQFP I/O
Description
DATA_I
3
43
I
Serial input, MSB first, containing two channels of 4 to 16 bits of twos-complement data per
channel.
Bit clock input for input data. Need not run continuously; may be gated or used in a burst fashion.
Word clock input for input data. This input is rising edge sensitive. (Not required in L
R
input
data clock triggered modes.)
Left/
right
clock input for input data. Must run continuously.
BCLK_I
WCLK_I
4
5
2
3
I
I
L
R
_I
6
4
I
Serial Output Interface
Pin Name
DIP
TQFP I/O
Description
DATA_O
23
30
O
Serial output, MSB first, containing two channels of 4- to 24-bits of twos-complement data per
channel.
Bit clock input for output data. Need not run continuously; may be gated or used in a burst
fashion.
Word clock input for output data. This input is rising edge sensitive. (Not required in L
R
output
data clock triggered modes.)
Left/
right
clock input for output data. Must run continuously.
BCLK_O
26
35
I
WCLK_O
25
32
I
L
R
_O
24
31
I
Input Control Signals
Pin Name
DIP
TQFP
I/O Description
BKPOL_I
10
9
I
Bit clock polarity. LO: Normal mode. Input data is sampled on rising edges of BCLK_I. HI:
Inverted mode. Input data is sampled on falling edges of BCLK_I.
MODE0_I
MODE1_I
11
12
10
13
I
I
Serial mode zero control for input port.
Serial mode one control for input port.
MODE0_I
MODE1_I
0
0
0
1
1
0
1
1
Left-justified, no MSB delay, L
R
_I clock triggered.
Left-justified, MSB delay, L
R
_I clock triggered.
Right-justified, MSB delayed 16 bit clock periods from L
R
_I transition.
WCLK
_
I triggered, no MSB delay.
DEFINITIONS
Dynamic Range
The ratio of a near full-scale input signal to the integrated noise
in the passband (0 to
≈
20 kHz), expressed in decibels (dB).
Dynamic range is measured with a –60 dB input signal and
“60 dB” arithmetically added to the result.
Total Harmonic Distortion + Noise
Total Harmonic Distortion plus Noise (THD+N) is defined as
the ratio of the square root of the sum of the squares of the
values of the harmonics and noise to the rms value of a
sinusoidal input signal. It is usually expressed in percent (%) or
decibels.
Interchannel Phase Deviation
Difference in input sampling times between stereo channels,
expressed as a phase difference in degrees between 1 kHz
inputs.
Group Delay
Intuitively, the time interval required for a full-level input pulse
to appear at the converter’s output, at full level, expressed in
milliseconds (ms). More precisely, the derivative of radian phase
with respect to radian frequency at a given frequency.
Transport Delay
The time interval between when an impulse is applied to the
converter’s input and when the output starts to be affected by
this impulse, expressed in milliseconds (ms). Transport delay is
independent of frequency.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1893JN 制造商:Analog Devices 功能描述:Sample Rate Converter 28-Pin PDIP W 制造商:Rochester Electronics LLC 功能描述:LOW COST ASRC PDIP 28-PIN - Bulk
AD1893JNZ 制造商:Analog Devices 功能描述:Sample Rate Converter 28-Pin PDIP W
AD1893JST 制造商:Analog Devices 功能描述:Sample Rate Converter 44-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:LOW COST ASRC 44-PIN TQFP - Tape and Reel 制造商:Analog Devices 功能描述:IC ASR CONVERTER 16 BIT
AD1893JSTZ 功能描述:IC SAMPLE-RATE CONV 16BIT 44TQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 線性 - 音頻處理 系列:SamplePort™ 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類(lèi)型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱(chēng):497-11050-6
AD1893JSTZRL 功能描述:IC SAMPLE-RATE CONV 16BIT 44TQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 線性 - 音頻處理 系列:SamplePort™ 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類(lèi)型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱(chēng):497-11050-6
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