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PDF A2327 Data sheet ( Hoja de datos )
| Número de pieza | A2327 | |
| Descripción | 2.6W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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AiT Semiconductor Inc.
www.ait-ic.com
A2327
POWER AMPLIFIER
2.6W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
DESCRIPTION
FEATURES
The A2327 is a 2.6W high efficiency filter-free class- Efficiency With an 8Ω Speaker:
D audio power amplifier that requires only three
88% @ 400mW
external components.
80% @ 100mW
Features like 88% efficiency, −75dB PSRR, and 3.8mA Quiescent Current
improved RF-rectification immunity make the A2327 0.4μA Shutdown Current
ideal for cellular handsets. In cellular handsets, the Optimized PWM Output Stage Eliminates LC
earpiece, speaker phone, and melody ringer can
Output Filter
each be driven by the A2327.
Internally Generated 250kHz Switching
Frequency Eliminates Capacitor and Resistor
The A2327 is available in MSOP8 and SOP8 Improved PSRR (−75dB) and Wide Supply
packages.
Voltage (2.5V to 5.5V) Eliminates Need for a
Voltage Regulator
ORDERING INFORMATION
Fully Differential Design Reduces RF
Rectification and Eliminates Bypass Capacitor
Package Type
MSOP8
Part Number
MS8
A2327MS8R
A2327MS8VR
Improved CMRR Eliminates Two Input Coupling
Capacitors
Available in MSOP8 and SOP8 Packages
SOP8
A2327M8R
M8
A2327M8VR
Note
V: Halogen free Package
R: Tape & Reel
AiT provides all RoHS products
APPLICATION
Mobile phone、PDA、MID
MP3/4、PMP
Portable electronic devices
Suffix “ V “ means Halogen free Package
REV2.0 - NOV 2008 RELEASED, NOV 2013 UPDATED -
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
A2327A
POWER AMPLIFIER
2.6 W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
TEST CIRCUIT
Figure1. A2327 test set up circuit
Figure2. 30-kHz LPF for A2327 test
NOTE1: CS should be placed as close as possible to VDD/GND pad of the device
NOTE2: CI should be shorted for any Common-Mode input voltage measurement
NOTE3: A 33uH inductor should be used in series with RL for efficiency measurement
NOTE4: The 30kHz LPF (shown in figure 1) is required even if the analyzer has an internal LPF
REV2.0 - NOV 2008 RELEASED, NOV 2013 UPDATED -
-5-
5 Page 
AiT Semiconductor Inc.
www.ait-ic.com
A2327A
POWER AMPLIFIER
2.6 W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
IMPORTANT NOTICE
AiT Semiconductor Inc. (AiT) reserves the right to make changes to any its product, specifications, to
discontinue any integrated circuit product or service without notice, and advises its customers to obtain the
latest version of relevant information to verify, before placing orders, that the information being relied on is
current.
AiT Semiconductor Inc.'s integrated circuit products are not designed, intended, authorized, or warranted to
be suitable for use in life support applications, devices or systems or other critical applications. Use of AiT
products in such applications is understood to be fully at the risk of the customer. As used herein may
involve potential risks of death, personal injury, or servere property, or environmental damage. In order to
minimize risks associated with the customer's applications, the customer should provide adequate design
and operating safeguards.
AiT Semiconductor Inc. assumes to no liability to customer product design or application support. AiT
warrants the performance of its products of the specifications applicable at the time of sale.
REV2.0 - NOV 2008 RELEASED, NOV 2013 UPDATED -
- 11 -
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet A2327.PDF ] | |
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