wm8961 Wolfson Microelectronics plc, wm8961 Datasheet - Page 11
wm8961
Manufacturer Part Number
wm8961
Description
Ultra-low Power Stereo Codec With 1w Stereo Class D Speaker Drivers And Ground Referenced Headphone Drivers
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8961.pdf
(116 pages)
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WM8961
Note:
1.
Test Conditions
MICVDD = 2.5V, DVDD = 1.8V, CPVDD=1.8V, AVDD = 1.8V SPKVDD1 = SPKVDD2 = 5V, T
PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
VPOS capacitor
VNEG capacitor
Charge pump start-up time
Digital Input / Output
Input HIGH Level
Input LOW Level
Output HIGH Level
Output LOW Level
Input capacitance
Input leakage
CURRENT CONSUMPTION
AVDD
DVDD
CPVDD
SPKVDD
MICVDD
The measurement was made with HPL_VOL//HPR_VOL = 0dB. Normally, the recommended setting for SNR optimised HP
playback mode (see “SNR optimised Mode”) includes -7dB HPL_VOL//HPR_VOL setting, to give a further noise floor
improvement.
SYMBOL
I
I
I
SPKVDD
MICVDD
I
I
CPVDD
V
V
DVDD
AVDD
V
V
OH
OL
IH
IL
writes, TSENSEN=0, all
at 2V
at 2V
OFF: device powered
TEST CONDITIONS
down using register
clocks stopped.
I
I
OH
OL
=-3mA
=1mA
2
2
0.7×DVDD
0.9×DVDD
-0.9
MIN
A
TYP
300
10
5
3
5
1
1
= +25
o
C, 1kHz signal, fs = 48kHz,
0.3×DVDD
0.1×DVDD
PP, August 2009, Rev 3.1
MAX
0.9
20
20
20
10
20
Pre-Production
μF
UNIT
μA
μA
μA
μA
μA
μF
pF
μA
μs
V
V
V
V
11
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