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TPA6203A1ZQVR Datasheet

  • TPA6203A1ZQVR

  • 1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER

  • 19頁(yè)

  • TI

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TPA6203A1
SLOS364C 鈥?MARCH 2002 鈥?REVISED SEPTEMBER 2003
1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
1.25 W Into 8
鈩?/div>
From a 5-V Supply at
THD = 1% (Typ)
Low Supply Current: 1.7 mA typ
Shutdown Control <1 碌A(chǔ)
Only Five External Components
鈥?Improved PSRR (90 dB) and Wide Supply
Voltage (2.5 V to 5.5 V) for Direct Battery
Operation
鈥?Fully Differential Design Reduces RF
Rectification
鈥?Improved CMRR Eliminates Two Input
Coupling Capacitors
鈥?C
(BYPASS)
Is Optional Due to Fully Differential
Design and High PSRR
鈥?ZQV (Pb - free) and GQV Options
Avaliable in a 2 mm x 2 mm MicroStar
Junior鈩?BGA Package
鈥?ZQV (Pb - free) and GQV Options
APPLICATIONS
鈥?/div>
Designed for Wireless or Cellular Handsets
and PDAs
DESCRIPTION
The TPA6203A1 is a 1.25-W mono fully differential
amplifier designed to drive a speaker with at least 8-鈩?/div>
impedance while consuming less than 37 mm
2
total
printed-circuit board (PCB) area in most applications.
This device operates from 2.5 V to 5.5 V, drawing only
1.7 mA of quiescent supply current. The TPA6203A1 is
available in the space-saving 2 mm x 2 mm MicroStar
Junior鈩?BGA package.
Features like 85-dB PSRR from 90 Hz to 5 kHz,
improved RF-rectification immunity, and small PCB
area makes the TPA6203A1 ideal for wireless
handsets. A fast start-up time of 4 碌s with minimal pop
makes the TPA6203A1 ideal for PDA applications.
鈥?/div>
APPLICATION CIRCUIT
V
DD
A3
C
s
_
+
V
O+
B3
V
O-
A1
(1)
C
B
Actual Solution Size
R
F
-
In From
DAC
R
I
C3 IN-
C2 IN+
To Battery
R
F
+ R
I
R
F
C
S
5,25 mm
GND B2
B1
C1
R
I
Bias
Circuitry
R
I
SHUTDOWN
(1)
C
(BYPASS)
(1)
C
(BYPASS)
is optional
R
F
6,9 mm
MicroStar Junior is a trademark of Texas Instruments.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily in-
clude testing of all parameters.
Copyright 漏 2002 鈥?2003, Texas Instruments Incorporated

TPA6203A1ZQVR 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • -

  • AB 類

  • 1-通道（單聲道）

  • 1.25W x 1 @ 8 歐姆

  • 2.5 V ~ 5.5 V

  • 消除爆音，差分輸入，關(guān)閉，熱保護(hù)

  • 表面貼裝

  • 8-BGA MICROSTAR JUNIOR（2.1x2.1）

  • 8-VFBGA

  • Digi-Reel®

  • 296-13569-ND - EVAL MOD FOR TPA6203A1

  • 296-17902-6

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