wm9001 Wolfson Microelectronics plc, wm9001 Datasheet - Page 4

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

WM9001
PIN DESCRIPTION
w
PIN NO
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CDMODE
SPKGND
INP_SEL
SPKVDD
VOUTN
VOUTP
BSEL2
BSEL1
BSEL0
AGND
AVDD
SYNC
NAME
VMID
LIP
LIN
EN
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Digital In
Enable
Supply
Supply
Supply
Supply
TYPE
Midrail voltage decoupling capacitor
Speaker driver supply ground
Negative differential input
Audio Input Mode Select
Positive differential input
Class AB/D Mode select
Speaker negative output
Analogue supply ground
Speaker positive output
Signal Boost Control[2]
Signal Boost Control[1]
Signal Boost Control[0]
Speaker driver supply
Device Enable input
Class D clock input
Analogue supply
DESCRIPTION
PP, June 2009, Rev 3.2
Pre-Production
4