WM8959
Pre-Production
HPVDD – IN1 BYPASS
AVDD – IN1 BYPASS
PSRR - HPVDD
IN1 Bypass
PSRR - AVDD
IN1 Bypass
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
IN1PGA-OMIX-LOUT/ROUT - 3.3V AVDD
IN1PGA-LINEDIFF - 3.3V AVDD
IN1PGA-OMIX-LOUT/ROUT - 3.3V HPVDD
0
0.1
1
10
100
100
100
0.1
1
10
100
Frequency (kHz)
Frequency (kHz)
HPVDD – IN3 BYPASS
AVDD – IN3 BYPASS
PSRR - HPVDD
IN3 Bypass
PSRR - AVDD
IN3 Bypass
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
IN3-OMIX-LOUT/ROUT - 3.3V HPVDD
IN3-OMIX-LOUT/ROUT - 3.3V AVDD
IN3-OMIX-OPGA-OUT3/OUT4 - 3.3V HPVDD
IN3-OMIX-OPGA-Differential HP - 3.3V HPVDD
IN3-OMIX-OPGA-OUT3/OUT4 - 3.3V AVDD
IN3-OMIX-OPGA-Differential HP - 3.3V AVDD
0
0.1
1
10
0.1
1
10
100
Frequency (kHz)
Frequency (kHz)
HPVDD – IN4 BYPASS
AVDD – IN4 BYPASS
PSRR - HPVDD
IN4 Bypass
PSRR - AVDD
IN4 Bypass
100
90
80
70
60
50
40
30
20
100
90
80
70
60
50
40
30
20
10
RxVOICE-OMIX-LOUT - 3.3V HPVDD
RxVOICE-OMIX-LOUT - 3.3V AVDD
IN4-OUT3/OUT4 (16Ohm BTL) - 3.3V HPVDD
IN4-OUT3/OUT4 (16Ohm BTL) - 3.3V AVDD
10
0.1
1
10
0.1
1
10
100
Frequency (kHz)
Frequency (kHz)
Note: All figures based on 100mVp-p injected on the supply at the relevant test frequency.
PP, May 2008, Rev 3.1
24
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
