參數(shù)資料
型號(hào)： XWM8740EDS
廠商： Wolfson Microelectronics
英文描述： 24-bit, High Performance 192kHz Stereo DAC
中文描述： 24位高性能192kHz的立體聲DAC
文件頁(yè)數(shù)： 3/20頁(yè)
文件大?。?/td> 344K
代理商： XWM8740EDS
Advanced Information
WM8740
WOLFSON MICROELECTRONICS LTD
AI Rev 1.7 July 2000
3
PIN
NAME
TYPE
DESCRIPTION
Hardware Mode
Normal Mode
Wordlength:
Low for 16-bit data.
High for 20-bit
(normal) or 24-bit
I
S data.
Low for hardware
mode.
Differential Mode
Wordlength:
Low for 16-bit data.
High for 20-bit
(normal) or 24-bit
I
S data.
Low for left
mono mode.
High for right
mono mode
Low to soft mute.
High for normal
operation.
8X Mode
Wordlength:
Low for 20-bit data.
High for 24-bit data.
Software
Mode
Low for
serial
interface
operation.
23
CSBIWO
Digital input
Internal pull-down
24
MODE
Digital input
Internal pull-up
DINR
High for
software
mode.
25
MUTEB
Digital input
Internal pull-up
Low to soft mute.
High for normal
operation.
Low to soft mute.
High for normal
operation.
Low to
soft mute.
High for
normal
operation.
Control serial
interface
data signal.
26
MD/DM0
Digital input
Internal pull-up
De-emphasis mode
select bit 0.
Low for no
de-emphasis.
High for 44.1kHz
de-emphasis.
Low for normal filter
operation.
High for filter slow
roll-off.
Audio serial format:
Low
–
right justified.
High
–
I
2
S.
LRP
–
LRCLK
polarity select.
27
MC/DM1
Digital input
Internal pull-up
De-emphasis mode
select bit 1.
Unused.
Leave unconnected.
Control serial
interface
clock signal.
28
ML/I2S
Digital input
Internal pull-up
Audio serial format:
Low
–
right justified.
High
–
I
2
S.
Input data format:
Low
–
right justified.
High
–
left justified.
Control serial
interface
load signal.
Note:
Digital input pins have Schmitt trigger input buffers.
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at
or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical
Characteristics at the test conditions specified
ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible
to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage
of this device.
CONDITION
MIN
MAX
Supply voltage
-0.3V
+7.0V
Reference input
VDD + 0.3V
Operating temperature range, T
A
-25
°
C
-65
°
C
+85
°
C
+150
°
C
+240
°
C
+183
°
C
Storage temperature
Package body temperature (soldering, 10 seconds)
Package body temperature (soldering, 2 minutes)
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