WM8986_07 WOLFSON [Wolfson Microelectronics plc], WM8986_07 Datasheet - Page 7
WM8986_07
Manufacturer Part Number
WM8986_07
Description
Multimedia DAC With Class D Headphone and Line Out
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8986_07.pdf
(87 pages)
- Current page: 7 of 87
- Download datasheet (2Mb)
Pre-Production
ELECTRICAL CHARACTERISTICS
w
Test Conditions
DCVDD=1.8V, AVDD1=AVDD2=DBVDD=3.3V, T
PARAMETER
Microphone Input PGA Inputs (LIP, LIN, RIP, RIN)
INPPGAVOLL, INPPGAVOLR, PGABOOSTL and PGABOOSTR = 0dB
Full-scale Input Signal Level –
Single-ended input via LIN/RIN
Full-scale Input Signal Level –
Pseudo-differential input
Input PGA equivalent input noise
LIN, RIN input resistance
LIN, RIN input resistance
LIN, RIN input resistance
LIP, RIP input resistance
Input Capacitance
Input PGA Programmable Gain
Programmable Gain Step Size
Input PGA Mute Attenuation
Input Gain Boost
Input Gain Boost
Auxiliary Analogue Inputs (AUXL, AUXR)
Full-scale Input Signal Level
Input Resistance
Input Capacitance
Gain range from AUXL and AUXR
input to left and right input PGA
mixers
AUXLBOOSTVOL and
AUXRBOOSTVOL step size
1,2
2
1
SYMBOL
A
= +25
INPPGAVOLL/R = +35.25dB
INPPGAVOLR = +35.25dB
AUXL2BOOSTVOL and
INPPGAVOLR = -12dB
All analogue input pins
Guaranteed monotonic
INPPGAVOLR = 0dB
Left Input boost and mixer
Left Input boost and mixer
Left Input boost and mixer
INPPGAMUTEL and
INPPGAMUTER = 1
o
TEST CONDITIONS
AUXR2BOOSTVOL
Right Input boost, mixer
Right Input boost, mixer
Right Input boost, mixer
All analogue Inputs
enabled, at -12dB gain
enabled, at -12dB gain
INPPGAVOLL and
INPPGAVOLL and
INPPGAVOLL and
INPPGAVOLL and
PGABOOSTL and
PGABOOSTR = 0
PGABOOSTL and
PGABOOSTR = 1
enabled, at +6dB gain
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated.
enabled, at 0dB gain
enabled, at 0dB gain
Gain adjusted by
Gain adjusted by
All gain settings
No input signal
INPPGAVOLL
enabled, at +6dB
0 to 20kHz
MIN
-12
-12
AVDD*0.7/
AVDD/3.3
AVDD/3.3
0.75
TYP
150
3.3
1.6
100
+20
46
71
90
10
11
22
60
11
22
60
10
0
3
PP, Rev 3.1, February 2007
+35.25
MAX
+6
WM8986
UNIT
V
V
V
µV
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
pF
dB
dB
dB
dB
dB
pF
dB
dB
rms
rms
rms
7
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