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PDF PA6204 Data sheet ( Hoja de datos )
| Número de pieza | PA6204 | |
| Descripción | 1.7-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
PA6204
Preliminary
1.7-W MONO FULLY
DIFFERENTIAL AUDIO POWER
AMPLIFIER
DESCRIPTION
The UTC PA6204 is a mono fully-differential audio amplifier,
capable of delivering 1.7W of continuous average power to an 8-Ω
BTL load with less than 10% distortion from a 5V power supply.
The UTC PA6204 is ideal for PDA/smart phone applications due
to features such as -80-dB supply voltage rejection from 20Hz to
2kHz, improved RF rectification immunity, small 20mm2 total PCB
area, and a fast startup with minimal pop. The device operates from
2.5V to 5.5V, drawing only 4mA of quiescent supply current.
The UTC PA6204 is suitable for diverse applications, such as
PDAs, Wireless or cellular handsets, Portable devices.
FEATURES
* 1.7W into 8Ω from a 5-V supply at THD=10% (Typ.)
* 2.5V-5.5V operation
* Low supply current: 4mA typ at 5V
* Ultra low current shutdown mode
* Only three external components
- Improved PSRR (-80dB) for direct battery operation
- Fully differential design reduces RF rectification
- -63dB CMRR eliminates two input coupling capacitors
* Fast startup with minimal pop
ORDERING INFORMATION
Note:
Ordering Number
Lead Free
Halogen Free
PA6204L-SM1-R
PA6204G-SM1-R
PA6204L-S08-R
PA6204G-S08-R
PA6204L-S08-T
PA6204G-S08-T
xx: Output Voltage, refer to Marking Information.
Package
MSOP-8
SOP-8
SOP-8
CMOS IC
MSOP-8
SOP-8
Packing
Tape Reel
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2012 Unisonic Technologies Co., Ltd
1 of 6
QW-R502-854.a
1 page  
PA6204
Preliminary
TYPICAL APPLICATION CIRCUIT
Table 1. Typical Component Values
COMPONENT
RI
C(BYPASS) (Note 1)
CS
CI
Note: 1. C(BYPASS) is optional
VALUE
40
0.22
1
0.22
C(BYPASS)(Note 1)
SHUTDOWN
2
1
Bias
Circuitry
CMOS IC
UNIT
kΩ
µF
µF
µF
40kΩ VDD 6
In From
DAC
- RI 4 IN-
-
+ RI 3 IN+ +
VO+ 5
VO- 8
CS
GND 7
40kΩ
Note 1. C(BYPASS) is optional.
To Battery
Figure 1. Typical Differential Input Application Schematic
C(BYPASS)(Note 1)
SHUTDOWN
2
1
Bias
Circuitry
40kΩ VDD 6
To Battery
-
CI RI 4
IN-
-
+ RI 3 IN+ +
CI
VO+ 5
VO- 8
CS
GND 7
Note 1. C(BYPASS) is optional.
40kΩ
Figure 2. Differential Input Application Schematic Optimized With Input Capacitors
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-854.a
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet PA6204.PDF ] | |
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