WM8740SEDS/V Wolfson Microelectronics, WM8740SEDS/V Datasheet - Page 22

• 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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Figure 17 Impulse Response (Normal Roll-off,
Figure 19 De-emphasis Frequency Response (fs=32kHz)
Figure 21 De-emphasis Frequency Response (fs=48kHz)
-10.0
-10.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
0.0
0.0
-0.2
-0.4
0.8
0.6
0.4
0.2
1
0
0
0
0
no De-emphasis)
2000
2000
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10
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6000
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Time (input samples)
Frequency (Fs)
Frequency (Fs)
10000
8000
30
12000
10000
14000
40
12000
16000
50
14000
18000
16000
20000
60
Figure 18 Impulse Response (Slow Roll-off,
Figure 20 De-emphasis Frequency Response (fs=44.1kHz)
Figure 22 De-emphasis Frequency Response Error
(fs=32kHz)
-10.0
-0.1
-0.2
-0.3
-0.4
0.4
0.3
0.2
0.1
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
0.0
-0.2
-0.4
0.8
0.6
0.4
0.2
0
1
0
0
0
no De-emphasis)
2000
10
4000
5000
6000
20
Time (input samples)
Frequency (Fs)
Frequency (Fs)
10000
8000
30
10000
PD, Rev 4.4, April 2010
40
12000
15000
Production Data
50
14000
20000
16000
60
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