WM8973LGEFL/RV Wolfson Microelectronics, WM8973LGEFL/RV Datasheet - Page 55

• Manufacturer Part Number: WM8973LGEFL/RV
• Description: Audio CODECs Stereo Codec with H/P Spkr
• Manufacturer: Wolfson Microelectronics

Specifications of WM8973LGEFL/RV

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
Figure 40 ADC Digital Filter Frequency Response – Type 2
Figure 42 ADC Digital Filter Frequency Response – Type 2
Figure 44 De-emphasis Frequency Response (32kHz)
w
DE-EMPHASIS FILTER RESPONSES
-100
-20
-40
-60
-80
-100
0
-20
-40
-60
-80
-10
-2
-4
-6
-8
0
0
0
0
0
2000
0.5
0.5
4000
1
1
6000
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
1.5
8000
1.5
10000
2
2
12000
2.5
2.5
14000
16000
3
3
Figure 41 ADC Digital Filter Ripple – Type 2
Figure 43 ADC Digital Filter Ripple – Type 3
Figure 45 De-emphasis Error (32kHz)
-0.05
-0.15
-0.25
0.25
0.15
0.05
-0.1
-0.2
0.2
0.1
-0.05
-0.15
-0.25
0.25
0.15
0.05
-0.1
-0.2
-0.1
-0.2
-0.3
-0.4
0
0.2
0.1
0.4
0.3
0.2
0.1
0
0
0
0
0
2000
0.05
0.05
4000
6000
0.1
Frequency (Fs)
0.1
Frequency (Fs)
Frequency (Fs)
8000
0.15
PD Rev 4.2 September 2005
0.15
10000
12000
0.2
0.2
WM8973L
14000
16000
0.25
0.25
55