AD5165A PDF даташит
Спецификация AD5165A изготовлена «Elite Semiconductor» и имеет функцию, называемую «2.5W Mono Filter-less Class-D Audio Amplifier». |
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Детали детали
Номер произв | AD5165A |
Описание | 2.5W Mono Filter-less Class-D Audio Amplifier |
Производители | Elite Semiconductor |
логотип |
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AD5165A
2.5W Mono Filter-less Class-D Audio Amplifier
Features
z Supply voltage range: 2.5 V to 5.5 V
z Support single-ended or differential analog input
z Low static operation current
z Low shut-down current
z Short power-on transient time(1ms)
z Internal pull-low resistor on shut-down pins
z Short-circuit protection
z Over-temperature protection
z Loudspeaker power within 10% THD+N
1.5W/ch into 8Ω loudspeaker
2.5W/ch into 4Ω loudspeaker
z Loudspeaker efficiency
90% @ 8Ω, THD+N=10%
85% @ 4Ω, THD+N=10%
Applications
z Monitor audio
z PDA
z Portable multimedia devices
z Notebook computer
z Mobile phone
Description
The AD5165A is a mono, filter-less class-D audio
amplifier. Operating with 5.0V loudspeaker driver
supply, it can deliver 2.5W output power into 4 Ω
loudspeaker within 10% THD+N.
The AD5165A is a mono audio amplifier with high
efficiency and suitable for the notebook computer,
and portable multimedia devices.
Ordering Information
Part Number
AD5165A-HG
AD5165A-WG
Package
DFN 8L
WCSP 9L
Comments
Pb-free
Pb-free
Functional Block Diagram
Gain=300k /Rin
+ Cin
Differential
input
- Cin
Rin INP
Rin
INN
~300k
+-
-+
~300k
PWM
Generator
-wave
Generator
SD#
~300k
Loudspeaker
Driver
VDD
Cs
PWMA
PWMB
Overload, Voltage
& Thermal
Protection
Thermal Pad; GND
Elite Semiconductor Memory Technology Inc.
Publication Date: Feb. 2008
Revision: 1.1
1/15
No Preview Available ! |
ESMT
Pin Assignments
DFN 8L, 3x3mm
(Top view of PCB)
SD 1
NC 2
INP 3
INN 4
8 PWMB
7 GND
9: Thermal pad
6 VDD
5 PWMA
AD5165A
WCSP 9L, 1.45x1.45mm
(Top view of PCB)
Pin Description
NAME
SD
INP
INN
PWMA
VDD
GND
PWMB
NC
Thermal
pad
PIN
DFN
WCSP
1 C2
3 A1
4 C1
5 C3
6 B1, B2
7 A2, B3
8 A3
2 N/A
9
(Note 1)
N/A
TYP DESCRIPTION
I Shutdown AD5165A (Low active logic)
I Positive differential input
I Negative differential input
O Positive output
P Power supply
G Power ground
O Negative output
No internal connection
Must be connected the thermal pad of DFN
G
package to GND.
Note1: The thermal pad is at the bottom of package. To solder the thermal pad to PCB’s ground
plane is must be connected.
Available Package
Package Type
DFN 8L
WCSP 9L
Device no.
AD5165A-H
AD5165A-W
θJA (oC/W)
45.8
128
Exposed Thermal Pad
Yes
N/A
Elite Semiconductor Memory Technology Inc.
Publication Date: Feb. 2008
Revision: 1.1
2/15
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