WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 23

• Manufacturer Part Number: WM8959
• Description: Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

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Pre-Production
PSRR PERFORMANCE
90
80
70
60
50
40
30
20
10
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0.1
0.1
0.1
0.1
HPVDD – DAC TO HEADPHONE
DCVDD – DAC TO HEADPHONE
SPKVDD – LIN2 TO SPEAKER
SPKVDD – DAC TO SPEAKER
DACL-SPK (Class D) - 5V SPKVDD
DACL-SPK (Class AB) - 5V SPKVDD
LIN2-SPK (Class D) - 5V SPKVDD
LIN2-SPK (Class AB) - 5V SPKVDD
DAC-OMIX-LOUT/ROUT - 3.3V HPVDD
DAC-OMIX-OPGA-Differential HP - 3.3V HPVDD
DAC-OMIX-LOUT/ROUT - 3.3V DCVDD
DAC-OMIX-LOUT/ROUT - 2.0V DCVDD
1
1
LIN2 to SPK class AB/D
1
DAC to SPK class AB/D
1
PSRR - SPKVDD
PSRR - SPKVDD
PSRR - HPVDD
DAC to Headphone
PSRR - DCVDD
DAC to Headphone
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
10
10
10
10
100
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0.1
0.1
0.1
0.1
AVDD – DAC TO HEADPHONE
MICBIAS - MBSEL = 0
MICBIAS - MBSEL = 1
DACL-SPK (Class D 5V SPKVDD) - 3.3V AVDD
DACL-SPK (Class AB 5V SPKVDD) - 3.3V AVDD
LIN2-SPK (Class D 5V SPKVDD) - 3.3V AVDD
LIN2-SPK (Class AB 5V SPKVDD) - 3.3V AVDD
AVDD – LIN2 TO SPEAKER
AVDD – DAC TO SPEAKER
DAC-OMIX-LOUT/ROUT - 3.3V AVDD
DAC-OMIX-OPGA-Differential HP - 3.3V AVDD
AVDD – MICBIAS
1
1
LIN2 to SPK class AB/D
1
DAC to SPK class AB/D
1
DAC to Headphone
PSRR - AVDD
PSRR - AVDD
PSRR - AVDD
PSRR - AVDD
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
MICBIAS
10
10
10
10
PP, May 2008, Rev 3.1
WM8959
100
100
100
100
23