wm8862 Wolfson Microelectronics plc, wm8862 Datasheet - Page 9

• Manufacturer Part Number: wm8862
• Description: Multi-channel High Definition Audio Codec
• Manufacturer: Wolfson Microelectronics plc

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Product Brief
Test Conditions
SYSVDD = SPKVDD1 = SPKVDD2 = 5.0V. DBVDD1 = 3.3V. DBVDD2 = 3.3V.
T
PARAMETER
Headphone Playback Path (DAC1 to HPOUTL, HPOUTR) - 10kΩ line load
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion Plus
Noise
Dynamic Range
Channel Separation
Power Supply Rejection Ratio
(SYSVDD)
DC offset at load
Headphone Playback Path (DAC1 to HPOUTL, HPOUTR) - 32Ω headphone load
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion Plus
Noise
Dynamic Range
Channel Separation
Power Supply Rejection Ratio
(SYSVDD)
DC offset at load
Headphone Outputs (HPOUTL, HPOUTR)
Full-scale Output signal level
Output power
Minimum load resistance
Load resistance
Maximum load capacitance
A
= +25
o
C, 1kHz signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
SYMBOL
THD+N
THD+N
PSRR
PSRR
DNR
DNR
SNR
THD
SNR
THD
P
R
R
C
O
L
L
L
100mV(peak-peak) 20kHz
100mV(peak-peak) 20kHz
Full-scale input, R
Automatic headset detect
100mV(peak-peak) 1kHz
100mV(peak-peak) 1kHz
0.1% THD+N, R
TEST CONDITIONS
function enabled
-60dBFS input
-60dBFS input
20mW output
20mW output
1V
1V
A-weighted,
A-weighted,
A-weighted
A-weighted
RMS
RMS
10kHz
10kHz
1kHz
1kHz
output
output
L
L
=16Ω
=10kΩ
12.8
MIN
Product Brief, January 2012, Rev 2.1
TBD
TBD
TBD
TBD
TBD
TBD
TYP
105
105
100
100
220
-90
-80
90
90
90
87
40
16
2
MAX
+/-1
+/-1
300
WM8862
UNIT
V
mW
mV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
pF
RMS
Ω
Ω
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