wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 8

• Manufacturer Part Number: wm9081
• Description: Mono Dac With 2.6w Class Ab/d Speaker Driver, Dynamic Range Controller And Retune Mobile Parametric Equalizer
• Manufacturer: Wolfson Microelectronics plc

WM9081
DAC TO LINE OUTPUT
OUTPUT CHARACTERISTICS
w
PARAMETER
Power Supply Rejection (20Hz – 20kHz)
SPKVDD PSRR
AVDD PSRR
PARAMETER
DAC to Line Output (10kΩ / 50pF Load)
SNR (A-weighted)
THD+N
Power Supply Rejection
AVDD PSRR
PARAMETER
Speaker Load Resistance
Line Out Load Resistance
Line Out Capacitance
Maximum Continuous Speaker Output
Power
Maximum Peak Speaker Output
Power
SPKVDD Leakage Current
Line Output Programmable Gain Amplifier
Minimum Gain
Maximum Gain
Gain Step Size
Mute Attenuation
Speaker Output Programmable Gain Amplifier
Minimum Gain
Maximum Gain
Gain Step Size
Mute Attenuation
DAC Digital
DAC maximum volume
DAC minimum volume
DAC volume step size
DAC soft mute time (Note: Scales
linearly with sample rate)
0dBFS to mute
100mV pk-pk at 217Hz on AVDD;
100mV pk-pk at 217Hz on AVDD;
100mV pk-pk at 217Hz on AVDD;
DAC to speaker output, class AB
DAC to speaker output, class AB
DAC to speaker output, class D
DAC to speaker output, class D
DAC to line out, 0dBFS input
400mV pk-pk at 217Hz on
400mV pk-pk at 217Hz on
DAC_MUTERATE = 0
DAC_MUTERATE = 1
TEST CONDITIONS
TEST CONDITIONS
TEST CONDITIONS
DAC to line output
SPKVDD = 5.0V
Class AB mode
Class AB mode
Class D mode
Class D mode
SPKVDD;
SPKVDD;
MIN
MIN
MIN
90
80
80
4
5
-71.625
0.375
TYP
TYP
TYP
0.15
10.7
171
-83
2.6
2.6
-57
-57
99
50
10
+6
92
+6
92
75
85
60
60
2
2
1
1
0
PP, Rev 3.0, April 2009
MAX
MAX
MAX
100
-75
2
1
Pre-Production
UNIT
UNIT
UNIT
ms
dB
dB
dB
dB
dB
dB
dB
kΩ
μA
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ms
nF
W
W
W
W
Ω
8