SPEMA2004A SECOS | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 5

Technical content

1.7W Mono Fully Differential Audio Power Amplifier 01-June-2002 Rev. A Page 1 of 5 http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually. RoHS Compliant Product A suffix of “-C” specifies halogen or lead -free

DESCRIPTION

The SPEMA2004A is a 1.7W mono fully differential amp lifier designed to drive a speaker with at least 8 Ω impedance while consuming only 20 mm2 total PCB area in most applications. The device operates from 2.5 V to 5.5 V, drawing only 4mA of quiescent supply current. The SPEMA2004A is available in the space-saving 3 mm x 3 mm FBP package. The SPEMA2004A is ideal for PDA/smart phone applications due to features such as -70dB supply voltage rejection from 20 Hz to 2 kHz, improved RF rectification immunity, small PCB area, and a fast startup with minimal pop.

FEATURES

z Designed for Wireless or Cellular Handsets and PDAs z 1.7 W Into 8Ω From a 5-V Supply at THD = 10% (Typ) z Low Supply Current: 5mA (Typ) at 5 V z Shutdown Current: 0.1 μA (Typ) z Fast Startup With Minimal Pop z Only Three External Components z Improved PSRR (-70 dB) and Wide Supply Voltage (2.5 V to 5.5 V) for Direct Battery Operation z Fully Differential Design Reduces RF Rectification z -63 dB CMRR Eliminates Two Input Coupling Capacitors z Pin to Pin Compatible with TPA2005D1 and TPA6211A1 in FBP Package z Available in 3 mm X 3 mm TDFN Package PACKAGE DIMENSIONS TDFN-8 TOP VIEW BOTTOM VIEW SIDE VIEW DIMENSIONS MILLIMETER DIMENSIONS INCH REFERENCE A3 0.203 REF. 0.008 REF. e 0.650 REF. 0.024 REF.

1.7W Mono Fully Differential Audio Power Amplifier 01-June-2002 Rev. A Page 3 of 5 http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually. TDFN MAXIMUM RATINGS Parameter Value Units Supply Voltage 6.0 V Operating Supply Voltage 2.2 ≦ V DD ≦5.5 V Input Voltage V I -0.3 to V DD +0.3 V Power Dissipation P D Internally limited ESD Susceptibility HBM 1.5 MM 200 KV V Thermal Resistance R θJA 63 °C/W Temperature Storage (T STG) -65 ~ +150 Operating (T OPR) -40°C ≦TA ≦85°C Junction (T J) 150 ELECTRICAL CHARACTERISTICS VDD = 5V The following specifications apply for VDD = 5V, AV = 1 and RL = 8Ω unless otherwise specified. Limits apply for TA = 25°C Characteristics Symbol Typ. Limit Units Test Conditions Quiescent Power Supply Current IDD 5 8 mA V IN = 0V, Io = 0A Shutdown Current ISD 0.1 1 µA V SDNB=GND Output offset voltage VOS 1 5 mV VI=0V differential, AV=1 V/V, VDD = 5.5 V 2.7 1.7 THD+N = 10 %(max), f = 1kHz R L = 4Ω RL = 8Ω Output Power PO 2.1 1.4 W THD+N = 1%(max), f = 1kHz R L = 4Ω RL = 8Ω Total Harmonic Distortion + Noise THD+N 0.007 0.01 0.017 VDD = 3.6V, RL=8Ω, f = 1kHz PO = 0.6 Wrms PO= 0.25 Wrms PO = 0.1 Wrms V ripple=200mV sine p-p, input ac-grounded -70 f=217Hz Power Supply Rejection Ratio PSRR -65 dB f=20 to 20kHz Common Mode Rejection Ratio CMRR 60 dB V DD = 3.6V, VIC=1VPP, f = 217Hz 1SDNB INN INP BYPASS OUTN GND VDD OUTP

1.7W Mono Fully Differential Audio Power Amplifier 01-June-2002 Rev. A Page 4 of 5 http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually. ELECTRICAL CHARACTERISTICS VDD = 2.5V The following specifications apply for VDD=2.5V, AV = 1 and RL =8Ω unless otherwise specified. Limits apply for TA = 25°C Characteristics Symbol Typ. Limit Units Test Conditions Quiescent Power Supply Current I DD 4 8 mA V IN = 0V, Io = 0A Shutdown Current I SD 0.1 1 µA V SDNB=GND 0.62 0.4 THD+N = 10 %(max), f = 1kHz RL = 4Ω RL = 8Ω Output Power P O 0.5 0.3 W THD+N = 1%(max), f = 1kHz RL = 4Ω RL = 8Ω - - V ripple=200mV sine p-p, input ac-grounded -70 - f=217Hz Power Supply Rejection Ratio PSRR -65 - dB f=20 to 20kHz CHARACTERISTIC CURVE THD + Noise vs Output Power THD + Noise vs Output Power

1.7W Mono Fully Differential Audio Power Amplifier 01-June-2002 Rev. A Page 5 of 5 http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually. CHARACTERISTIC CURVE (cont’d) THD + Noise vs Frequency PSRR 3.6V power supply with square wave, 500mVp-p, f=217Hz, duty=20%