Pre-Production
WM8959
Test Conditions
DCVDD = 1.8V, DBVDD = 3.3V, AVDD = HPVDD = 3.3V, SPKVDD = 5V, TA = +25oC, 1kHz signal, fs = 48kHz,
PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
Input Programmable Gain Amplifiers (PGAs) LIN12, LIN34, RIN12 and RIN34
C1
C2
C3
C4
C5
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute Attenuation
-16.5
30
dB
dB
dB
dB
dB
Guaranteed monotonic
Inputs disconnected
1.5
90
Common Mode Rejection Ratio
(1kHz input)
Single PGA in differential mode, gain = +30dB
Single PGA in differential mode, gain = 0dB
Single PGA in differential mode, gain = -16.5dB
60
50
50
Differential input to DIFFINL or DIFFINR via
LIN1/LIN3 or RIN1/RIN3, gain = 0dB
45
Received Voice (RXP-RXN) Differential to Single-Ended Converter RXVOICE
C6
C7
C8
C9
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute Attenuation
AINLMODE = 01 or AINRMODE = 01
AINLMODE = 01 or AINRMODE = 01
AINLMODE = 01 or AINRMODE = 01
AINLMODE = 01 or AINRMODE = 01
-12
+6
3
dB
dB
dB
dB
95
PGA Output Differential to Single Ended Converters DIFFINL and DIFFINR
C10
C11
Fixed Gain
AINLMODE = 10 or AINRMODE = 10
AINLMODE = 10 or AINRMODE = 10
0
dB
dB
Mute Attenuation
95
Input Mixers INMIXL and INMIXR
C12
C13
C14
C15
C16
C17
C18
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute attenuation
PGA Outputs to INMIXL and INMIXR
PGA Outputs to INMIXL and INMIXR
0
+30
30
-12
+6
3
dB
dB
dB
dB
dB
dB
dB
PGA Outputs to INMIXL and INMIXR
Line Inputs and Record path to INMIXL and INMIXR
Line Inputs and Record path to INMIXL and INMIXR
Line Inputs and Record path to INMIXL and INMIXR
95
Output Programmable Gain Amplifiers (PGAs) SPKPGA, LOPGA, ROPGA, LOUT and ROUT
C19
C20
C21
C22
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute attenuation
-73
+6
1
dB
dB
dB
dB
dB
Guaranteed monotonic
LOUT and ROUT
80
70
SPKPGA, LOPGA and ROPGA
Output Programmable Gain Amplifiers (PGAs) OUT3, OUT4, LOP and ROP
C23
C24
C25
C26
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute attenuation
-6
0
dB
dB
dB
dB
dB
6
OUT3 and OUT4
80
100
LOP and ROP (also applies to LON and RON)
Speaker Attenuation (SPKATTN)
C27
C28
C29
C30
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute attenuation
-12
0
dB
dB
dB
dB
6
80
PP, May 2008, Rev 3.1
13
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
