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PCM1691 Datasheet(PDF) 30 Page - Texas Instruments

Part # PCM1691
Description  24-Bit, 192-kHz Sampling, Enhanced Multi-Level, ?誇,Eight-Channel, Audio Digital-to-Analog Converter
PDF  47 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCM1691 Datasheet(HTML) 30 Page - Texas Instruments

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PCM1691
SBAS450 – OCTOBER 2008.............................................................................................................................................................................................. www.ti.com
DEC
HEX
B7
B6
B5
B4
B3
B2
B1
B0
66
42
OPEDA3
OPEDA2
OPEDA1
OPEDA0
FLT3
FLT2
FLT1
FLT0
OPEDA[3:0] Operation control
These bits control the DAC operation mode. In operation disable mode, the DAC output is cut off
from DIN and the internal DAC data are reset. If PSMDA = 1, the DAC output is forced into
VCOM. If PSMDA = 0, the DAC output is forced into AGND and the DAC goes into a
power-down state. For normal operating mode, these bits must be '0'. The serial mode control is
effective during operation disable mode.
Default value: 0000.
OPEDA
Operation control
xxx0
DAC1/2 normal operation
xxx1
DAC1/2 operation disable with or without power save
xx0x
DAC3/4 normal operation
xx1x
DAC3/4 operation disable with or without power save
x0xx
DAC5/6 normal operation
x1xx
DAC5/6 operation disable with or without power save
0xxx
DAC7/8 normal operation
1xxx
DAC7/8 operation disable with or without power save
FLT[3:0]
Digital filter roll-off control
These bits allow users to select the digital filter roll-off that is best suited to their applications.
Sharp and slow filter roll-off selections are available. The filter responses for these selections are
shown in the Typical Characteristics sections of this data sheet.
Default value: 0000.
FLT
Digital filter roll-off control
xxx0
DAC1/2 sharp roll-off
xxx1
DAC1/2 slow roll-off
xx0x
DAC3/4 sharp roll-off
xx1x
DAC3/4 slow roll-off
x0xx
DAC5/6 sharp roll-off
x1xx
DAC5/6 slow roll-off
0xxx
DAC7/8 sharp roll-off
1xxx
DAC7/8 slow roll-off
30
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): PCM1691



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