wm9001 Wolfson Microelectronics plc, wm9001 Datasheet - Page 10

• Manufacturer Part Number: wm9001
• Description: 1w Dual-mode Class Ab/d Speaker Driver
• Manufacturer: Wolfson Microelectronics plc

WM9001
BATTERY LEAKAGE
OFF
EN=0, AVDD=0V
STANDBY LEAKAGE
OFF Standby
EN=0, AVDD enabled
QUIESCENT
Class AB Speaker Mode
8Ω
Class D Speaker Mode
8Ω
Internal Oscillator
Class D Speaker Mode
8Ω
External Oscillator
ACTIVE
Class AB Speaker Mode
0.45W into 8Ω
Class AB Speaker Mode
0.2W into 8Ω
Class D Speaker Mode
1W into 8Ω
Class D Speaker Mode
0.5W into 8Ω
TYPICAL POWER CONSUMPTION
Note that the Gain settings are determined by the BSEL[2:0] values as follows:
w
MODE
Gain (dB)
2.1dB
2.9dB
3.6dB
4.5dB
5.1dB
0dB
2.1dB
2.1dB
3.6dB
3.6dB
2.1dB
2.1dB
3.6dB
3.6dB
2.1dB
2.1dB
3.6dB
3.6dB
2.1dB
2.1dB
3.6dB
3.6dB
3.6dB
3.6dB
3.6dB
3.6dB
GAIN
0dB
0dB
0dB
0dB
0dB
0dB
0dB
0dB
0dB
EN
Gain (v)
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1.00x
1.27x
1.40x
1.52x
1.67x
1.80x
CDMODE
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
BSEL[2]
800kHz
800kHz
800kHz
800kHz
800kHz
SYNC
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
INP_SEL
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
BSEL[1]
0
0
1
1
0
0
2.7
3.3
3.3
3.6
2.7
3.3
3.3
3.6
2.7
3.3
3.3
3.6
2.7
3.3
3.3
3.6
3.3
3.3
3.3
3.3
(V)
(V)
(V)
(V)
0
0
0
0
0
3
3
3
3
AVDD
BSEL[0]
(mA)
(mA)
(uA)
(uA)
7.67
8.16
8.91
8.93
9.75
0.33
0.35
0.35
0.38
1.09
1.22
1.36
1.36
1.08
1.23
1.37
1.37
1.52
0.35
0.35
1.34
1.36
0.3
1.5
0
0
0
0
0
0
1
0
1
0
1
(V)
2.7
3.7
4.2
5.5
(V)
2.7
3.7
4.2
5.5
(V)
2.7
3.7
4.2
5.5
2.7
3.7
4.2
5.5
2.7
3.7
4.2
5.5
(V)
5
5
5
5
5
5
5
5
5
SPKVDD
211.63
144.22
235.15
120.45
(mA)
(mA)
(uA)
0.02
0.06
0.11
0.14
0.17
(uA)
0.02
0.07
0.37
0.64
3.45
4.69
6.37
7.42
1.08
1.52
2.15
2.42
1.13
1.54
1.76
2.19
2.47
0.1
5.6
1.8
PP, June 2009, Rev 3.2
1180.18
TOTAL
20.763
24.739
29.823
31.319
1059.3
722.26
606.73
0.054
0.222
0.462
0.935
38.62
(mW)
10.12
18.35
24.71
42.16
12.06
15.23
18.74
11.91
15.45
19.06
(mW)
(uW)
(uW)
5.84
5.97
0.7
9.3
9.4
33
Pre-Production
10