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CE2632 PDF даташит

Спецификация CE2632 изготовлена ​​​​«CEI Microelectronics» и имеет функцию, называемую «mixed signal CMOS monolithic stereo audio ADC».

Детали детали

Номер произв CE2632
Описание mixed signal CMOS monolithic stereo audio ADC
Производители CEI Microelectronics
логотип CEI Microelectronics логотип 

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CE2632 Даташит, Описание, Даташиты
DESCRIPTION
The CE2632 is a mixed signal CMOS monolithic stereo
audio ADC for consumer applications.
The ADC is 128-time oversampled. The sampled data are
digital filtered and decimated before sent out. A
switchabThe ADC utilizes 4-order Σ∆ architecture. The 1−
bit Σ∆ converter offers superior differential linearity, with
minimum distortion due to component mismatch, and high
tolerance to clock jitter. The internal digital filter has a 20K
bandwidth. The analog input is 1 vrms corresponding to
digital full scale value. The value greater than full scale
will be clipped.
FEATURES
• Stereo Audio ADC.
- 96dB SNR (A Weighted).
- -82 dB THD + N Ratio (A Weighted).
- 32K - 96 KHz. Sampling Rates.
- 91 dB channel separation.
• I2S, Left Justified Digital I/F Formats.
• 3.3 Volt Power Supply.
Applications
• Digital Surround Sound For Home Theatre
• AV Receiver
• Car Audio.
FMT NOHPF
CE2632
Control Interface
LIN 77
A/D
A/D
DECIMATION
FILTER
PCM
I/F
XCK
DOUT
BCK
LRCK
CEI Microelectronics Co. Ltd.
1-12
September 5, 2005









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CE2632 Даташит, Описание, Даташиты
Item
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9
CE2632 Performance
ADC PERFORMANCE SPECIFICATIONS
Maximum Input Level
0 dB Audio Input Level
Audio Bandwidth 20Hz - 20 KHz
SNR (A-weight)
THD + NOISE (A-weight, 0 dB input)
Dynamic Range
Channel Separation
Nonlinear Distortion
Channel Gain Error
Spec.
4 Vpp
1 Vrms
+/- 0.5 dB
>96 dB
< -82 dB
89 dB
< -90 dB
< 0.5 dB
< 0.5 dB
CE2632
2-12 September 5, 2005









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CE2632 Даташит, Описание, Даташиты
PIN ASSIGNMENT
CE2632
DVDD
SDO
BCK
FMT
CAP
VCM
RIN
1
2
3
4
5
6
7
14 DGND
13 MCK
12 LRCK
11 NOHPF
10 AGND
9 AVDD
8 LIN
PIN DESCRIPTION
Pin Name
DVDD
SDO
BCK
FMT
CAP
VCM
RIN
LIN
AVDD
Pin #
1
2
3
4
5
6
7
8
9
Type
Description
3.3 Analog power supply.
Volt
O Serial audio PCM data output.
I Audio Serial Data Clock.
I PCM bus format selection. Internal has a 30K pulldown resistor.
PD 1 = left justified.
0 = I2S
I/O Reference voltage output. It should be Connected to a 22 uF capacitor in parallel with a
0.1 uF. Signal level is AVDD/2.
I/O Buffered reference voltage output. It should be Connected to a 22 uF capacitor in
parallel with a 0.1 uF. Signal level is AVDD/2.
I Right channel input.
I Left channel input
3.3 Analog power supply. It should be Connected to a 22 uF capacitor in parallel with a 0.1
Volt uF.
3-12 September 5, 2005










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Номер в каталогеОписаниеПроизводители
CE2632mixed signal CMOS monolithic stereo audio ADCCEI Microelectronics
CEI Microelectronics

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