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TPA2037D1YFFT Arkusz danych(PDF) 1 Page - Texas Instruments

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Numer części TPA2037D1YFFT
Szczegółowy opis  3.2W Mono Class-D Audio Power Amplifier With 6-dB Gain and Auto Short-Circuit Recovery
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

TPA2037D1YFFT Arkusz danych(HTML) 1 Page - Texas Instruments

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background image
PWM
+
Internal
Oscillator
H-Bridge
Bias
Circuitry
IN+
IN-
EN
Cs
Tobattery
TPA 2037 D1
GND
VDD
VO+
VO-
A1
IN+
A2
GND
A3
VO-
B1
B2
PVDD
B3
PGND
VDD
C1
IN-
C2
EN
C3
VO+
TPA2037D1
9-BALL 0.4mmPITCH
WAFERCHIP SCALEPACKAGE (YFF)
(TOP VIEWOFPCB)
1.214 mm
TPA2037D1
www.ti.com
SLOS648 – OCTOBER 2009
3.2W Mono Class-D Audio Power Amplifier
With 6-dB Gain and Auto Short-Circuit Recovery
Check for Samples : TPA2037D1
1
FEATURES
APPLICATIONS
Wireless or Cellular Handsets and PDAs
Powerful Mono Class-D Speaker Amplifier
Portable Navigation Devices
3.24 W (4
Ω, 5 V, 10% THDN)
General Portable Audio Devices
2.57 W (4
Ω, 5 V, 1% THDN)
1.80 W (8
Ω, 5 V, 10% THDN)
DESCRIPTION
1.46 W (8
Ω, 5 V, 1% THDN)
The TPA2037D1 is a 3.2 W high efficiency filter-free
+6 dB Fixed Gain
class-D audio power amplifier (class-D amp) with
Integrated Image Reject Filter for DAC Noise
6 dB of fixed gain in a tiny 1.21 mm x 1.16 mm wafer
Reduction
chip scale package (WCSP). The device requires
only one external component.
Low Output Noise of 20
μV
Low Quiescent Current of 1.5 mA
Features like 95% efficiency, 1.5 mA quiescent
current, 0.1
μA shutdown current, 81-dB PSRR,
Differential Input Impedance of 300 k
20
μV output noise and improved RF immunity make
Auto-Recovering Short-Circuit Protection
the TPA2037D1 class-D amplifier ideal for cellular
Thermal-Overload Protection
handsets. A fast start-up time of 4 ms with no audible
pop makes the TPA2037D1 ideal for PDA and
Filter-Free Mono Class-D Amp
smart-phone applications.
9-Ball 1,21 mm × 1,16 mm 0,4mm Pitch WCSP
APPLICATION CIRCUIT
1
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.
Copyright © 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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