CDBWM9010-1
CDBWM9010-1 Datasheet
| Part | Datasheet |
|---|---|
CDBWM9010-1 |
CDBWM9010-1 (pdf) |
| PDF Datasheet Preview |
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| WM9010 Low Power, Class G Stereo Headphone Driver The WM9010 is a low power stereo headphone driver designed for mobile handset and portable media player PMP applications. Class G amplifier technology is used to achieve high power efficiency and low quiescent current. Stereo analogue inputs accept 1Vrms line level inputs the Hi-Fi output drivers deliver up to 28mW into a load. An integrated charge pump circuit generates split-rail voltage supplies to power the ground-referenced headphone driver. The WM9010 incorporates Wolfson Silent Switch technology to provide pop and click suppression whenever the WM9010 is enabled or disabled. The WM9010 is supplied in a 12-pin CSP package. • Hi-fi audio headphone drivers 104dB SNR - ‘A’ weighted • Stereo analogue audio inputs • Ground-referenced, cap-less headphone outputs • Integrated charge pump and oscillator circuits • Low quiescent current • RF noise suppression • Pop and click suppression • 12-pin CSP package x 0.7mm • Mobile Handsets • Portable Media Players PMP • Notebooks / Laptop computers • LCD televisions RF noise suppression Pop and click suppression INREF HPOUTL HPOUTR Oscillator WM9010 Charge Pump WOLFSON MICROELECTRONICS plc To receive regular email updates, sign up at Production Data, February 2011, Rev Copyright 2011 Wolfson Microelectronics plc WM9010 Production Data TABLE OF CONTENTS DESCRIPTION 1 APPLICATIONS TABLE OF CONTENTS PIN ORDERING INFORMATION PIN DESCRIPTION ABSOLUTE MAXIMUM RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS 6 DEVICE DESCRIPTION Production Data WM9010 PIN CONFIGURATION The WM9010 is supplied in a 12-pin CSP format. The pin configuration is illustrated below, showing the top-down view from above the chip. CPCA CPCB HPOUTL HPOUTR CPVOUTP CPVOUTN ORDERING INFORMATION ORDER CODE TEMPERATURE RANGE PACKAGE WM9010ECSN/R Note Reel quantity = 5000 -40°C to +85°C 12-pin CSP Pb-free, tape and reel MOISTURE SENSITIVITY LEVEL MSL1 PEAK SOLDERING TEMPERATURE 260oC PIN DESCRIPTION PIN NO A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 NAME INL INR VDD GND INREF ENA CPCA CPCB HPOUTL HPOUTR CPVOUTP CPVOUTN TYPE Analogue Input Analogue Input Supply Analogue Input Digital Input Analogue Output Analogue Output Analogue Output Analogue Output Analogue Output Analogue Output DESCRIPTION Left channel analogue input Right channel analogue input Positive supply Ground Input reference for INL and INR Device Enable / Mute control Charge pump fly-back capacitor pin Charge pump fly-back capacitor pin Left headphone output Right headphone output Charge pump positive supply decoupling pin Charge pump negative supply decoupling pin WM9010 Production Data ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical Characteristics at the test conditions specified. ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage of this device. Wolfson tests its package types according to IPC/JEDEC J-STD-020B for Moisture Sensitivity to determine acceptable storage conditions prior to surface mount assembly. These levels are: MSL1 = unlimited floor life at <30°C / 85% Relative Humidity. Not normally stored in moisture barrier bag. MSL2 = out of bag storage for 1 year at <30°C / 60% Relative Humidity. Supplied in moisture barrier bag. MSL3 = out of bag storage for 168 hours at <30°C / 60% Relative Humidity. Supplied in moisture barrier bag. The Moisture Sensitivity Level for each package type is specified in Ordering Information. CONDITION Supply voltage VDD Voltage range digital input ENA Voltage range analogue inputs Operating temperature range, TA Junction temperature, TJMAX Storage temperature after soldering MIN -0.3V -0.7V -0.7V -40ºC -40ºC -65ºC MAX 2.5V 3.3V VDD +0.7V +85ºC +150ºC +150ºC RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Ground SYMBOL VDD GND UNIT Production Data WM9010 ELECTRICAL CHARACTERISTICS Test Conditions VDD = 1.8V, INREF = GND = 0V, Load resistance = 16Ω, TA = +25oC, 1kHz signal unless otherwise stated. PARAMETER Analogue Inputs INL, INR Maximum input signal level Input resistance Input capacitance TEST CONDITIONS Single-ended input VDD/1.8 MAX 25 UNIT Vrms kΩ pF Headphone Output Path HPOUTL, HPOUTR Output Power RL = 32Ω THD+N = RL = 32Ω THD+N = 1% RL = 16Ω THD+N = RL = 16Ω THD+N = 1% Signal to Noise ratio A-weighted 20Hz 20kHz Total Harmonic Distortion + Noise THD+N RL = 32Ω PO = 20mW 20Hz 20kHz RL = 32Ω PO = 5mW 20Hz 20kHz RL = 16Ω PO = 20mW 20Hz 20kHz RL = 16Ω PO = 5mW 20Hz 20kHz DC Offset Channel separation Mute attenuation RL = 16Ω ENA = 0 |
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