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TPA6205A1DGN 数据表(PDF) 1 Page - Texas Instruments

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部件名 TPA6205A1DGN
功能描述  1.25-W Mono Fully Differential Audio Power Amplifier
Download  38 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TPA6205A1DGN 数据表(HTML) 1 Page - Texas Instruments

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+
VDD
VO+
VO-
GND
To Battery
Cs
Bias
Circuitry
IN-
IN+
+
-
In From
DAC
SHUTDOWN
RI
RI
RF
RF
C(
)
BYPASS
(Optional)
Actual Solution Size
6,9 mm
5,25 mm
(1)C
B
RI
RI
CS
RF
RF
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SLOS490TPA6205A1
SLOS490C – JULY 2006 – REVISED NOVEMBER 2015
TPA6205A1 1.25-W Mono Fully Differential Audio Power Amplifier
With 1.8-V Input logic Thresholds
1 Features
3 Description
The TPA6205A1 device is a 1.25-W mono fully
1
1.25 W Into 8-
Ω From a 5-V Supply at THD = 1%
differential amplifier designed to drive a speaker with
(Typical)
at least 8-
Ω impedance while consuming less than 37
Shutdown Pin has 1.8-V Compatible Thresholds
mm2 (ZQV package option) total printed-circuit-board
Low Supply Current: 1.7 mA Typical
(PCB) area in most applications. This device operates
from 2.5 V to 5.5 V, drawing only 1.7 mA of quiescent
Shutdown Current < 10 µA
supply current. The TPA6205A1 is available in the
Only Five External Components
space-saving 2-mm × 2-mm MicroStar Junior BGA
Improved PSRR (90 dB) and Wide Supply
package, and the space saving 3-mm × 3-mm QFN
Voltage (2.5 V to 5.5 V) for Direct Battery
(DRB) package.
Operation
Features like 85-dB PSRR from 90 Hz to 5 kHz,
Fully Differential Design Reduces RF
improved RF-rectification immunity, and small PCB
Rectification
area makes the TPA6205A1 ideal for wireless
handsets. A fast start-up time of 4s with minimal pop
Improved CMRR Eliminates Two Input
makes the TPA6205A1 ideal for PDA applications.
Coupling Capacitors
C(BYPASS) Is Optional Due to Fully Differential
Device Information(1)
Design and High PSRR
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Available in 3-mm × 3-mm QFN Package (DRB)
MSOP-PowerPAD (8) 3.00 mm × 3.00 mm
Available in an 8-Pin PowerPAD™ MSOP (DGN)
SON (8)
3.00 mm × 3.00 mm
TPA6205A1
Available in a 2-mm × 2-mm MicroStar Junior™
BGA MICROSTAR
2.00 mm × 2.00 mm
JUNIOR (8)
BGA Package (ZQV)
(1) For all available packages, see the orderable addendum at
2 Applications
the end of the data sheet.
Designed for Wireless Handsets, PDAs, and
Other Mobile Devices
Compatible With Low Power (1.8-V Logic) I/O
Threshold Control Signals
Application Circuit
Example Solution Size
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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