 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
LM49370 Datasheet(PDF) 1 Page - Texas Instruments |
|
||||||||||||||||||||||||||||||
LM49370 Datasheet(HTML) 1 Page - Texas Instruments |
|
|
1 / 90 page  LM49370 www.ti.com SNAS356D – FEBRUARY 2007 – REVISED MARCH 2012 LM49370 Boomer® Audio Power Amplifier Series Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier, a Dual-Mode Stereo Headphone Amplifier, and a Dedicated PCM Interface for Bluetooth Transceivers Check for Samples: LM49370 1 FEATURES • 16 Step Volume Control for Microphone in 2 dB Steps 2 • Spread Spectrum Class D Architecture • Programmable Sidetone Attenuation in 3 dB Reduces EMI Steps • Mono Class D 8 Ω Amplifier, 490 mW at 3.3V • Two Configurable GPIO Ports • OCL or AC-Coupled Headphone Operation • Multi-Function IRQ Output • 33mW Stereo Headphone Amplifier at 3.3V • Micro-Power Shutdown Mode • 115 mW Earpiece Amplifier at 3.3V • Available in the 4 x 4 mm 49 Bump DSBGA • 18-bit Stereo DAC Package • 16-bit Mono ADC • Key Specifications • 8 kHz to 192 kHz Stereo Audio Playback – PHP (AC-COUP) (A_VDD = 3.3V, 32Ω, 1% THD) 33 • 8 kHz to 48 kHz Mono Recording mW • Bidirectional I2S Compatible Audio Interface – PHP (OCL) (A_VDD = 3.3V, 32Ω, 1% THD) 31 • Bidirectional PCM Compatible Audio Interface mW for Bluetooth Transceivers – PLS ( LS_VDD = 5V, 8Ω, 1% THD) 1.2 W • I2S-PCM Bridge with Sample Rate Conversion – PLS (LS_VDD = 4.2V, 8Ω, 1% THD) 900 mW • Sigma-Delta PLL for Operation from Any Clock – PLS (LS_VDD = 3.3V, 8Ω, 1% THD) 490 mW at Any Sample Rate – Shutdown Current 0.8 µA • Digital 3D Stereo Enhancement – PSRRLS (217 Hz, LS_VDD = 3.3V) 70 dB • FIR Filter Programmability for Simple Tone – SNRLS (AUX IN to Loudspeaker) 90 dB (typ) Control – SNRDAC (Stereo DAC to AUXOUT) 85 dB • Low Power Clock Network Operation if a 12 (typ) MHz or 13 MHz System Clock is Available – SNRADC (Mono ADC from Cell Phone In) 90 • Read/Write I2C or SPI Compatible Control dB (typ) Interface – SNRHP (Aux In to Headphones) 98 dB (typ) • Automatic Headphone & Microphone Detection • Support for Internal and External Microphones APPLICATIONS • Automatic Gain Control for Microphone Input • Smart Phones • Differential Audio I/O for External Cellphone • Mobile Phones and Multimedia Terminals Module • PDAs, Internet Appliances and Portable • Mono Differential Auxiliary Output Gaming • Stereo Auxiliary Inputs • Portable DVD/CD/AAC/MP3 Players • Differential Microphone Input for Internal • Digital Cameras/Camcorders Microphone • Flexible Audio Routing from Input to Output • 32 Step Volume Control for Mixers in 1.5 dB Steps 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Similar Part No. - LM49370 |
|
Similar Description - LM49370 |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
