WM8740SEDS/V Wolfson Microelectronics, WM8740SEDS/V Datasheet - Page 2
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WM8740SEDS/V
Manufacturer Part Number
WM8740SEDS/V
Description
Audio D/A Converter ICs Stereo DAC High End
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8740SEDSV.pdf
(27 pages)
Specifications of WM8740SEDS/V
Resolution
24 bit
Operating Supply Voltage
5 V
Operating Temperature Range
- 40 C to + 85 C
Mounting Style
SMD/SMT
Number Of Dac Outputs
4
Number Of Dacs
2
Snr
116 dB
Supply Current
19 mA
Thd Plus Noise
- 104 dB
Package / Case
SSOP-28
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
WM8740
DESCRIPTION ....................................................................................................... 1
FEATURES............................................................................................................. 1
APPLICATIONS ..................................................................................................... 1
BLOCK DIAGRAM ................................................................................................. 1
TABLE OF CONTENTS ......................................................................................... 2
PIN CONFIGURATION ........................................................................................... 3
ORDERING INFORMATION .................................................................................. 3
PIN DESCRIPTION ................................................................................................ 4
ABSOLUTE MAXIMUM RATINGS ......................................................................... 5
RECOMMENDED OPERATING CONDITIONS ..................................................... 6
ELECTRICAL CHARACTERISTICS ...................................................................... 6
INTERNAL POWER ON RESET CIRCUIT ............................................................ 9
DEVICE DESCRIPTION ....................................................................................... 12
APPLICATIONS INFORMATION ......................................................................... 24
PACKAGE DIMENSIONS .................................................................................... 26
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SYSTEM CLOCK ........................................................................................................ 12
AUDIO DATA INTERFACE ......................................................................................... 12
NORMAL SAMPLE RATE ........................................................................................... 13
8 X FS INPUT SAMPLE RATE .................................................................................... 14
MODES OF OPERATION ........................................................................................... 14
HARDWARE CONTROL MODES ............................................................................... 14
SOFTWARE CONTROL INTERFACE ......................................................................... 15
REGISTER MAP ......................................................................................................... 16
MUTE MODES ............................................................................................................ 20
FILTER RESPONSES ................................................................................................. 21
RECOMMENDED EXTERNAL COMPONENTS .......................................................... 24
RECOMMENDED EXTERNAL COMPONENTS VALUES ........................................... 24
SUGGESTED DIFFERENTIAL OUTPUT FILTER CIRCUIT ........................................ 25
RECOMMENDED DUAL DIFFERENTIAL HARDWARE SETUP ................................. 25
ADDRESS: .................................................................................................................. 27
TABLE OF CONTENTS
PD, Rev 4.4, April 2010
Production Data
2