WM8740SEDS/V Wolfson Microelectronics, WM8740SEDS/V Datasheet - Page 18

• Manufacturer Part Number: WM8740SEDS/V
• Description: Audio D/A Converter ICs Stereo DAC High End
• Manufacturer: Wolfson Microelectronics

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
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POLARITY OF LR INPUT CLOCK
The left channel data for a particular sample instant is always input first, then the right channel data.
Table 12 Polarity of LR Input Clock
INDIVIDUAL OR COMMON ATTENUTATION CONTROL
Table 13 Individual or Common Attenuation Control
DIGITAL FILTER ROLL-OFF SELECTION
Table 14 Digital Filter Roll-Off Selection
ANALOGUE OUTPUT POLARITY REVERSAL
Table 15 Analogue Output Polarity Reversal
DE-EMPHASIS SAMPLE RATE
Table 16 De-Emphasis Sample Rate
INFINITE ZERO DETECT
Table 17 Infinite Zero Detect
(REG3, B1)
(REG3, B2)
(REG3, B3)
(REG3, B4)
(REG3, B8)
(REG3, B7)
SRO
REV
LRP
ATC
SF1
IZD
H
H
H
H
H
L
L
L
L
L
0
0
1
1
LR High – left channel
LR Low – right channel
LR Low – left channel
LR High – right channel
Individual control
Common control from Reg0
Sharp
Slow
Normal
Inverted
Zero detect mute off
Zero detect mute on
(REG3, B6)
SF0
0
1
0
1
No de-emphasis
SAMPLE RATE
44.1kHz
48kHz
32kHz
PD, Rev 4.4, April 2010
Production Data
18