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Número de pieza | PA6203 | |
Descripción | 1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER | |
Fabricantes | Unisonic Technologies | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de PA6203 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! UNISONIC TECHNOLOGIES CO., LTD
PA6203
Preliminary
1.25-W MONO FULLY
DIFFERENTIAL AUDIO POWER
AMPLIFIER
CMOS IC
DESCRIPTION
The UTC PA6203 is a mono fully-differential audio amplifier,
capable of delivering 1.25W of continuous average power to an 8-Ω
BTL load with less than 1% distortion from a 5V power supply.
The UTC PA6203 is ideal for PDA/smart phone applications due to
features such as -85-dB supply voltage rejection from 90Hz to 5kHz,
improved RF rectification immunity and a fast start-up with minimal pop.
The device operates from 2.5V to 5.5V, drawing only 1.7mA of
quiescent supply current.
FEATURES
* 1.25W into 8Ω from a 5-V supply at THD=1% (Typ.)
* 2.5V-5.5V operation
* Low supply current: 1.7mA typ at 5V
* Shutdown Control<10µA
* Only five external components
- Improved PSRR (90dB) for direct battery operation
- Fully differential design reduces RF rectification
- Improved CMRR eliminates two input coupling capacitors
- C(BYPASS) is optional due to fully differential design and high PSRR
APPLICATIONS
* Designed for wireless or cellular handsets and PDAs
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
PA6203L-SH2-T
PA6203G-SH2-T
PA6203L-SH2-R
PA6203G-SH2-R
Package
HSOP-8
HSOP-8
Packing
Tube
Tape Reel
PA6203L-SH2-T
(1)Packing Type
(2)Package Type
(3)Halogen Free
(1) T: Tube, R: Tape Reel
(2) SH2: HSOP-8
(3) L: Lead Free, G: Halogen Free
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 6
QW-R502-A16.a
1 page PA6203
Preliminary
TYPICAL APPLICATION CIRCUIT
COMPONENT
RI
RF
C(BYPASS) (Note 1)
CS
CI
Note: 1. C(BYPASS) is optional
Table 1. Typical Component Values
VALUE
10
10
0.22
1
0.22
CMOS IC
UNIT
kΩ
kΩ
µF
µF
µF
C(BYPASS)
(optional)
SHUTDOWN
2
1
Bias
Circuitry
In From
DAC
RF
- RI 4 IN-
-
+ RI 3 IN+ +
RF
VDD 6
VO+ 5
VO- 8
CS
To Battery
GND 7
Figure 1. Typical Differential Input Application Schematic
C(BYPASS)
(optional)
SHUTDOWN
2
1
RF
- CI RI
4
+ RI 3
CI
RF
Bias
Circuitry
VDD 6
IN- -
IN+ +
CS
VO+ 5
VO- 8
GND 7
To Battery
Figure 2. Differential Input Application Schematic Optimized With Input Capacitors
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-A16.a
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet PA6203.PDF ] |
Número de pieza | Descripción | Fabricantes |
PA6203 | 1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER | Unisonic Technologies |
PA6204 | 1.7-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER | Unisonic Technologies |
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