LA4814JA: Audio Power Amplifier, Class AB, 2-Channel, 0.35 W

The LA4814JA buili-in the power amplifier circuit capable of low-voltage (2.7V and up) operation and has additionally a standby function to reduce the current drain. It is a power amplifier IC optimal for speaker drive used in battery-driven portable equipment and other such products.

特性
  • On-chip 2-channel power amplifierOutput power 1 = 350mW typ. (VCC = 5.0V, RL = 4Ω, THD = 10%)Output power 2 = 150mW typ. (VCC = 3.6V, RL = 4Ω, THD = 10%)
  • Enables monaural BTL output system by changing externally connected componentsOutput power 3 = 700mW typ. (VCC = 5.0V, RL = 8Ω, THD = 10%)Output power 4 = 320mW typ. (VCC = 3.6V, RL = 8Ω, THD = 10%)
  • Low-voltage operation possibleVCC =2.7V and up
  • Standby functionCurrent drain at standby = 0.1µA typ. (VCC = 5V)
  • Voltage gain setting possibleVoltage gain = 3 to 20dB
  • Second amplifier stop control functionReducing the pop noise at startup (in BTL mode)
应用
  • Mini radio cassette players/recorders, portable radios, transceivers and other portable audio devices
数据表 (1)
Document TitleDocument ID/SizeRevisionRevision Date
0.35W x 2ch, Class AB, Power Amplifier IC for Low Power Output and PortableENA2040/D (408.0kB)0SEP, 2013
封装图纸 (1)
Document TitleDocument ID/SizeRevision
SSOP20 (225mil)565AN (57.5kB)A
产品订购型号
产品状况Compliance封装MSL*容器预算价格 (1千个数量的单价)
LA4814JA-AEActivePb-freeSSOP-20565AN3Tape and Reel2000$0.744
LA4814JA-ZELifetimePb-freeSSOP-20565AN3Fan-Fold70
订购产品技术参数
ProductClassOutput Power Typ (W)VCC Max (V)Output Typeton Typ (ms)THD + N Typ (%)IQ Typ (mA)ISD Typ (nA)
LA4814JA-AEAB0.357Dual0.358.6100
0.35W x 2ch, Class AB, Power Amplifier IC for Low Power Output and Portable (408.0kB) LA4814JA
SSOP20 (225mil) LV5609V