WM8976_11 Datasheet, PDF (10/114 Pages) Wolfson Microelectronics plc – Stereo CODEC with Speaker Driver

WM8976
SPEAKER OUTPUT THD VERSUS POWER
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.00
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.00
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.00
Speaker Power vs THD+N (8Ohm BTL Load)
AVDD=SPKVDD=DBVDD=3.3, DCVDD=1.8
50.00
100.00
150.00
200.00
250.00
300.00
Output Power (mW)
350.00
400.00
450.00
500.00
Speaker Power vs THD+N (8Ohm BTL Load)
AVDD=DBVDD=3.3V, SPKVDD=5V, DCVDD=1.8V
100.00
200.00
300.00
400.00
500.00
600.00
Output Power (mW)
700.00
800.00
900.00
1000.00
Speaker Power vs THD+N with +6dB Gain on LOUT2/ROUT2 (8Ohm BTL Load)
AVDD=DBVDD=3.3V, SPKVDD=5V, DCVDD=1.8V
200.00
400.00
600.00
800.00
Output Power (mW)
1000.00
1200.00
1400.00
w
Production Data
PD, Rev 4.5, November 2011
10