MS6895_1

MOSA MS6895 Mono 1.1W Fully Differential Power Amplifier Mono 1.1W, Fully Differential Input Excellent PSRR, Low Voltage Operation FEATURES ‧PSRR at 217Hz, 80dB at 5V ‧Operation range: 2.5V~6.5V ‧Shutdown Current 0.1uA at 5V ‧Output power, THD+N=1% RL=8Ω, 1.1W at 5V, 0.4W at 3.3V, 200mW at 2.5V ‧Unity-gain stable ‧Space-saving SOP8, enhance thermal pad APPLICATIONS ‧Portable electronic devices ‧PDAs ‧Communication headsets DESCRIPTION The MS6895 is a fully differential power amplifier that can drive 1.1W of continuous average power into a mono 8Ω bridged-tied load (BTL). Operation with 2.5V supply, it can drive 200mw into a mono 8Ω. The BTL configuration eliminates the need for external coupling capacitors on the output in most applications. The MS6895 is unity-gain stable and can be configured by external gain-setting resistors. The MS6895 has good feature for portable equipment, these features include the fully differential input, low voltage operation, micropower consumption shutdown mode, enhance thermal pad and small package SOP8, make the MS6895 ideally suited for use in portable electronic equipments. BLOCK DIAGRAM VDD 7 -IN 2 + 8 Vo2 SD BP +IN 1 Bias Common mode 4 3 5 Vo1 + 6 GND REV 1 1/7 www.mosanalog.com MOSA PIN CONFIGURATION Symbol /SD -IN +IN BP Vo1 GND VDD Vo2 Pin 1 2 3 4 5 6 7 8 MS6895 Mono 1.1W Fully Differential Power Amplifier Description Shutdown places the entire device in shutdown mode when held low. TTL compatible input. Negative differential input Positive differential input Bypass is the cap to the voltage divider for internal mid-supply bias. This terminal should be connected to a 0.1-μF to 10-μF capacitor CBP. Negative BTL output Ground Supply voltage Positive BTL output SOP8 SD -IN +IN BP 1 2 3 4 Thermal Pad 8 7 6 5 Vo2 VDD GND Vo1 ORDERING INFORMATION Package 8-Pin SOP (lead free) 8-Pin SOP (lead free) RoHS Compliance Part number MS6895GTR MS6895GU Packaging Marking 6895G 6895G Transport Media 2.5k Units Tape and Reel 100 Units Tube ABSOLUTE MAXIMUM RATINGS Symbol VDD VESD TSTG TA TJ TS RTHJA Supply voltage Electrostatic handling Storage temperature range Operating ambient temperature range Maximum junction temperature Soldering temperature, 10 seconds Thermal resistance from junction to ambient in free air SOP8 (enhance thermal pad) Parameter Rating 6.5 3500 -65 to 150 -40 to 85 150 260 50 Unit V V ℃ ℃ ℃ ℃ ℃/W REV 1 2/7 www.mosanalog.com MOSA OPERATING RATINGS Symbol VDD Supply voltage Parameter MS6895 Mono 1.1W Fully Differential Power Amplifier Min 2.5 Typ 5 Max 6.5 Unit V 5V ELECTRICAL CHARACTERISTICS Ta = 25°C, VDD=5V, f=1kHz, BW