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