MS6308 MOSA | Alldatasheet

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Technical content

Class AB Stereo Headphone Driver REV 1 1 www.mosanalog.com.tw Class AB Stereo Headphone Driver Low Distortion, Excellent PSRR

FEATURES

‧Low supply voltage 2.8 to 5.5V ‧No switch-ON/OFF clicks ‧Excellent power supply ripple rejection ‧Low power consumption ‧Short-circuit resistant ‧High performance : - high SNR - high slew rate - low distortion ‧Large output voltage swing ‧Space saving package SOP8, MSOP8

APPLICATIONS

‧CD-RWeDVD-RW ‧CD-ROMeDVD-ROM ‧MP3ePDA ‧Portable Digital Audio ‧Cross-reference : TDA1308T

DESCRIPTION

The MS6308 is an integrated class AB stereo headphone driver c ontained i n an SO8 pac kage. T he de vice i s fabricated in a CMOS proce ss and ha s be en prim arily developed f or po rtable d igital audio appl ications. MS6308 is pin and function compatible with the Philips, TDA1308T. BLOCK DIAGRAM +INB VDD OutB -INB OutA -INA +INA VSS PIN CONFIGURATION Symbol Pin Description OUTA 1 Output A -INA 2 Inverting input A +INA 3 Non-inverting input A VSS 4 Negative supply +INB 5 Non-inverting input B -INB 6 Inverting input B OUTB 7 Output B VDD 8 Positive supply MS6308 VDD OUTB -INB +INB OUTA -INA +INA VSS

Class AB Stereo Headphone Driver REV 1 2 www.mosanalog.com.tw

ORDERING INFORMATION

Package Part number Packaging Marking Transport Media 8-Pin SOP MS6308TR MS6308 2.5k Units Tape and Reel 8-Pin SOP MS6308U MS6308 100 Units Tube 8-Pin SOP (lead free) MS6308GTR MS6308G 2.5k Units Tape and Reel 8-Pin SOP (lead free) MS6308GU MS6308G 100 Units Tube 8-Pin MSOP MS6308MTR 6308 3.5k Units Tape and Reel 8-Pin MSOP MS6308MU 6308 80 Units Tube 8-Pin MSOP (lead free) MS6308MGTR 6308G 3.5k Units Tape and Reel 8-Pin MSOP (lead free) MS6308MGU 6308G 80 Units Tube ABSOLUTE MAXIMUM RATINGS Symbol Parameter Rating Unit VDD Supply Voltage 7 V VESD Electrostatic Handling -6000 to 6000 V TSTG Storage Temperature Range -65 to 150 Ċ TA Operating Ambient Temperature Range -40 to 85 Ċ TJ Maximum Junction Temperature 150 Ċ TS Soldering Temperature, 10 seconds 260 Ċ RTHJA Thermal Resistance from Junction to Ambient in Free Air SOP8 210 Ċ/W OPERATING RATINGS Symbol Parameter Min Typ Max Unit VDD Supply Voltage 2.8 - 5.5 V

Class AB Stereo Headphone Driver REV 1 3 www.mosanalog.com.tw 5V ELECTRICAL CHARACTERISTICS (Ta=25Ċ, VDD=5V, VSS=0V, VO=3.5Vpp, f=1kHz, RL=32Ω; unless otherwise specified) Symbol Parameter Conditions Min Typ Max Unit DC Characteristics IQ Quiescent current Vo=0Vpp, 2 channels - 3.2 4 mA VO Maximum output voltage swing (THD+N)/S<0.1% 3.5 4 - Vpp PSRR Power supply rejection ratio Vripple = -20dBV, 100Hz - 70 - dB CS Cannel separation - 100 - dB AC Characteristics - -75 -67 dB THD+N Total harmonic distortion plus noise (THD+N)/S<0.1% - 0.017 0.044 % S/N Signal-to-noise ratio 100 110 - dB SR Slew rate Unity gain inverting - 5 - V/µs Po Maximum output power (THD+N)/S<0.1%, 2 ch - 124 - mW 2.8V ELECTRICAL CHARACTERISTICS (Ta=25Ċ, VDD=2.8V, VSS=0V, VO=2Vpp, f=1kHz, RL=32Ω; unless otherwise specified) Symbol Parameter Conditions Min Typ Max Unit DC Characteristics IQ Quiescent current Vo=0Vpp, 2 channels - 2.3 3 mA VO Maximum output voltage swing (THD+N)/S<0.1% 1.8 2 - Vpp PSRR Power supply rejection ratio Vripple = -20dBV, 100Hz - 66 - dB CS Cannel separation - 92 - dB AC Characteristics - -70 -63 dB THD+N Total harmonic distortion plus noise (THD+N)/S<0.1% - 0.031 0.070 % S/N Signal-to-noise ratio 90 100 - dB Po Maximum output power (THD+N)/S<0.1%, 2 ch - 31 - mW

Class AB Stereo Headphone Driver REV 1 4 www.mosanalog.com.tw TYPICAL PERFORMANCE CHARACTERISTICS (Ta=25Ċ, RL=32Ω; unless otherwise specified) THD+N (%) OUTPUT VOLTAGE (dBV) THD+N (%) OUTPUT VOLTAGE (dBV) THD+N (%) OUTPUT VOLTAGE (dBV) THD+N vs. output voltage THD+N vs. output voltage THD+N vs. output voltage f=20kHzf=20kHz f=20kHz f=20Hz f=20Hzf=20Hz f=1kHzf=1kHz f=1kHz VDD=5V VDD=2.8VVDD=3.3V THD+N (%) FREQUENCY (Hz) CHANNEL SEPARATION (dB) FREQUENCY (Hz) PSRR (dB) FREQUENCY (Hz) THD+N vs. frequency Channel separation vs. frequency PSRR vs. frequency VDD=5V VO=3.5Vpp VDD=3.3V VDD=5V VDD=2.8V VO=2Vpp VDD=2.8V VO=2Vpp VDD=3.3V VO=2Vpp VDD=2.8V VDD=3.3V VO=2Vpp VDD=5V VO=3.5Vpp VRR=-20dBV Vref=1/2VDD QUIESCENT CURRENT (mA) SUPPLY VOLTAGE (V) Quiescent current vs. supply voltage

Class AB Stereo Headphone Driver REV 1 5 www.mosanalog.com.tw

APPLICATION INFORMATION

3.9k VREF 3.9k 3.9k 3.9k (typ. 2.5V) RL VOA 100uF 100uF ViB ViA VDD VOB RL 100uF 10uF 10uF Fig.2 Measurement circuit, inverting application Example of CD application with MS6311 BCK WS DATA GND VoR n.c VoL VDD MS6311 100uF MS6308 68pF 56k 22k22k 1nF 15k 1.2nF 1uF 100k 1uF 100k10Ƹ Supply VREF 47uF 0.1uF f-3dB = 17.5kHz DC gain = 1.5 VDAC out p-p = 1.32V Vout p-p = 1.98V For VDD = 3.3V Headphone (32Ƹ) Fig.3 Example of a multiple feedback third order lowpass filter application.

Class AB Stereo Headphone Driver REV 1 6 www.mosanalog.com.tw MP3 digital to analog converting solution. Fig.4, Fig5 0.1uF BCK WS DATA GND VoR CAP VoL VDD MS6313 8 47uF MS6308 DAC Headphone Driver 20k 470pF 50k 50k 10uF VRE F 15k 15k 20k 470pF 0.1uF 7 47uF 10uF MP3 DECODER 1.2VP-P 1.6VP-P Headphone (32Ƹ) PHONE JACK SUNPLUS SPCA751 STMicroelectronics STA013 AVDD 10Ƹ Supply 47uF 0.1uF Fig.4 A first order lowpass filter for DAC output with MS6313 0.1uF BCK WS DATA GND VoR CAP VoL VDD MS6323 8 47uF MS6308 DAC Headphone Driver 20k 470pF 50k 50k 10uF VRE F 20k 20k 20k 470pF 0.1uF 7 47uF 1uF MP3 DECODER 1.65VPP 1.65VPP Headphone (32Ƹ) PHONE JACK SUNPLUS SPCA751 STMicroelectronics STA013 AVDD 10Ƹ Supply 47uF 0.1uF 3.3V Fig.5 A first order lowpass filter for DAC output with MS6323

Class AB Stereo Headphone Driver REV 1 7 www.mosanalog.com.tw Example of application with MS6610 (current output) MS6308 VRE F 3.9k 10k VOA 100uF 100uF VDD 1nF BCK 33k 3.9k VOB 10k 100uF 1nF WS DATA MS6610 22k 1uF 0.1uF10uF

Class AB Stereo Headphone Driver REV 1 8 www.mosanalog.com.tw EXTERNAL DIMENSIONS SOP8 H E D A A1 e B C L MSOP8 (Thermal Pad) A A1 B CL D H E e Thermal Pad Dimension in mm Dimension in inch Symbol Min Max Min Max A 1.35 1.75 0.0532 0.0688 A1 0.10 0.25 0.0040 0.0098 B 0.33 0.51 0.013 0.020 C 0.19 0.25 0.0075 0.0098 D 4.80 5.00 0.1890 0.1968 H 5.80 6.20 0.2284 0.2440 E 3.80 4.00 0.1497 0.1574 e 1.27 BSC 0.050 BSC L 0.40 1.27 0.016 0.050 Dimension in mm Dimension in inch Symbol Min Max Min Max A 0.81 1.12 0.032 0.048 A1 0.05 0.15 0.002 0.006 A2 0.76 0.86 0.030 0.038 B 0.28 0.38 0.011 0.015 C 0.13 0.23 0.005 0.009 D 2.90 3.10 0.114 0.122 H 4.70 5.10 0.185 0.201 E 2.90 3.10 0.114 0.122 e 0.65 0.026 L 0.40 0.66 0.016 0.026 Note : Die pad exposure size is according to lead frame design.

Class AB Stereo Headphone Driver REV 1 9 www.mosanalog.com.tw TAPE AND REEL (Unit : mm) 3.0 3.6 12.0 6.9 8.0 5.5 1.75 5.4 2.0 4.0 1.5+0.1/-0.0 DIA 0.5 Radius Typical1.5 MIN 0.30 0.3R MAX 1.72.0 0.05 0.05 0.05 0.3 SOP8 3.4 4.2 12.0 5.2 8.0 5.5 1.75 3.3 2.0 4.0 1.5+0.1/-0.0 0.3 Typical1.5 MIN 0.30 0.3R MAX 1.21.6 0.05 0.05 0.05 0.3 MSOP8