WM8986GECO/V Wolfson Microelectronics, WM8986GECO/V Datasheet - Page 8

• Manufacturer Part Number: WM8986GECO/V
• Description: Audio Amplifiers Class D Headphone DAC + Line Out
• Manufacturer: Wolfson Microelectronics

Specifications of WM8986GECO/V

• Product: Class-D
• Output Power: 40 mW
• Thd Plus Noise: - 86 dB
• Operating Supply Voltage: 1.71 V to 3.6 V, 2.5 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 16 Ohms
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.71 V, 2.5 V
• Output Type: Differential
• Package / Case: QFN-28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8986
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Test Conditions
DCVDD=1.8V, AVDD1=AVDD2=DBVDD=3.3V, T
PARAMETER
DAC to left and right mixers into 10kΩ / 50pF load on LOUT1 and ROUT1
LOUT1VOL, ROUT1VOL, DACLVOL and DACRVOL = 0dB
Full-scale output
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
Channel Separation
DAC to L/R mixer into 10kΩ / 50pF load on L/ROUT2, class AB mode
LOUT2VOL, ROUT2VOL, DACLVOL and DACRVOL = 0dB
Full-scale output
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
Channel Separation
Full-scale output voltage
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
DAC to OUT3 and OUT4 mixers to OUT3/OUT4 outputs into 10kΩ / 50pF load. DACVOLL and DACVOLR = 0dB
1
1
6
6
3
3
3
4
4
4
5
5
5
SYMBOL
THD+N
THD+N
THD+N
SNR
THD
SNR
THD
SNR
THD
A
= +25
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=3.3V
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TEST CONDITIONS
ROUT2VOL = 0dB
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated.
ROUTVOL = 0dB
1kHz input signal
LOUT1VOL and
LOUT2VOL and
full-scale signal
full-scale signal
full-scale signal
22Hz to 20kHz
22Hz to 20kHz
22Hz to 20kHz
22Hz to 20kHz
22Hz to 22kHz
0dBFS input
0dBFS input
0dBFS input
0dBFS input
0dBFS input
0dBFS input
0dBFS input
0dBFS input
1kHz signal
A-weighted
A-weighted
A-weighted
A-weighted
A-weighted
MIN
90
90
90
AVDD1/3.3
AVDD1/3.3
AVDD2/3.3
95.5
93.5
95.5
93.5
TYP
100
100
100
100
100
-86
-86
-84
-84
-86
-82
-84
-80
-87
-85
-80
96
96
96
PD, Rev 4.1, June 2009
MAX
-80
-78
-80
-78
-80
-78
Production Data
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
UNIT
V
V
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
rms
rms
rms
8