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BW0407XA Datasheet

  • BW0407XA

  • BW0407XA 16Bit 48KHz Sigma-Delta Audio CODEC|Data Sheet

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  • ETC

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16Bit 48KHz Sigma-Delta Audio CODEC
GENERAL DESCRIPION
Samsung's BW0407XA is high resolution,
single-chip stereo ADC and DAC that
employs the Sigma-Delta modulation
technique. With a resolution of 16bit,
oversampling of 64X and a 90dB Signal-
to-Noise ratio, BW0407XA is suitable
for applications in consumer digital audio
system, multimedia and digital systems.
bw0407xa
FEATURES
- 1 chip stereo A/D, D/A converter
- 4-th order Sigma-Delta modulator
- Sigma-Delta Stereo ADC.
* 64X Oversampling
* On-chip Decimation Filter
* On-chip Anti-Aliasing Filter
* 90dB Signal to Noise Ratio.
- Sigma-Delta Stereo DAC.
* 64X Oversampling
* On-chip 4X Interpolation Filter
* On-chip Analog Postfilter
* 90dB Signal to Noise Ratio
- Programmable Gain Amplifier (PGA)
ADC : 0 ~ + 22.5dB (+1.5dB step)
DAC : 0 ~ - 46.5dB (-1.5dB step)
- Mute for Analog Input and Output
- Zero detection mute for DAC
- Analog Single-ended Input and Output.
- Sampling Rate of 48KHz
- Single +3.3V Power Supply
TYPICAL APPLICATIONS
- multi-media applications
- consumer digital audio
- digital systems
FUNCTIONAL BLOCK DIAGRAM
sigma-delta
modulator
(analog)
Record Volume Control
0~+22.5dB & Mute
AINL
decimation
filter
sigma-delta
modulator
(analog)
AUDO[15:0]
AUDI[15:0]
AINR
AOUTL
Analog
postfilter
Play Volume Control
0~ -46.5dB & Mute
parallel
interface
&
Control
Logic
sigma-delta
modulator
&
Interpolation
Filter
AULRCK
AUSYSCK
AURST
PWDN[1:0]
AOUTR
Analog
postfilter
Volume
Control
Register
WREN
ADDR[1:0]
DATA[5:0]
VREF
voltage
reference
Ver 1.0
(June 1999)
This datasheet is a preliminary version. No responsibility is assumed by SEC for its use nor for any infringements of patents or other
rights of third parties that may result from its use. The content of this datasheet is subject to change without any notice.
SEC ASIC
1
/ 9
ANALOG

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