feedback
Rate this webpage

Need
Support?


NCP2991: Audio Power Amplifier, Class AB, 1.35 W, with Selectable Fast Turn-On Time

Datasheet: 1.35 W Audio Power Amplifier with Selectable Fast Turn On Time
Rev. 2 (3924.0kB)
»View Material Composition
»Product Change Notification (3)
Product Overview
Product Description
The NCP2991 is an audio power amplifier designed for portable communication device applications such as mobile phone applications. The NCP2991 is capable of delivering 1.35 W of continuous average power to an 8.0 Ω BTL load from a 5.0 V power supply, and 1.1 W to a 4.0 Ω BTL load from 3.6V power supply. The NCP2991 provides high quality audio while requiring few external components and minimal power consumption. It features a low-power consumption shutdown mode, which is achieved by driving the /SD pin with logic low. The NCP2991 contains circuitry to prevent from pop and click noise that would otherwise occur during turn-on and turn-off transitions. It is a zero pop noise device when a single ended or a differential audio input is used. For maximum flexibility, the NCP2991 provides an externally controlled gain (with resistors). In addition, it integrates 2 differents Turn On times (15 ms or 30ms) adjustable with the TON pin. Due to its best-in-class PSRR, it can be directly connected to the battery, saving the use of an LDO. This device is available in a 9-Pin Flip-Chip CSP (Lead-Free).
Features   Benefits
     
  • 1.35 W to an 8.0Ω BTL load from a 5.0 V power supply
 
  • Powerful audio ouput
  • Best-in-Class PSRR: up to -100 dB
 
  • Reject TDMA noise
  • Zero pop noise signature with single-ended or differential audio input
   
  • External turn-on time configuration capability: 15 ms or 30 ms
   
  • Ultra-low current shutdown mode: 10 nA
   
  • 2.5 V-5.5 V operation
   
  • External gain configuration capability
   
  • Thermal overload protection circuitry
   
Applications   End Products
  • Audio amplification
 
  • Mobile phone
  • PDAs, MP3, PMP
Technical Documentation & Design Resources
Data Sheets (1) Evaluation Board Documents (6)
Package Drawings (1)  
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
NCP2991FCT2GEVB Active
Pb-free
1.35 W Audio Amplifier Evaluation Board
Avnet (2015-07-09) : 1
Availability and Samples
Product
Status
Compliance
Description
Package
MSL*
Container
Budgetary Price/Unit
Type
Case Outline
Type
Qty.
NCP2991FCT2G Lifetime
Pb-free
Halide free
Audio Power Amplifier, Class AB, 1.35 W, with Selectable Fast Turn-On Time Flip-Chip-9 499E 1 Die Surf Tape and Reel 3000 $0.1867
Moisture Sensitivity level (MSL) for surface mount devices (lead free measured at 260°C reflow, non lead free at 235°C reflow)
Market Leadtime (weeks) : Contact Factory
Mouser   (2015-07-09) : >1K
ON Semiconductor   (2015-07-08) : 204,000
PandS   (2015-07-09) : <1K
Previously Viewed Products
Clear List

Associated Products
  Do you also need Audio Switches?