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TPA2038D1YFFR Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPA2038D1YFFR
Description  3.2 W Mono Class-D Audio Power Amplifier With Selectable Gain and Auto-Recovering Short-Circuit Protection
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPA2038D1YFFR Fiches technique(HTML) 1 Page - Texas Instruments

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background image
PWM
+
Internal
Oscillator
H-Bridge
Bias
Circuitry
IN+
IN-
EN
Cs
To battery
TPA 2038 D1
GND
VDD
VO+
VO-
GAIN
Gain Select
A1
IN+
A2
GAIN
A3
VO-
B1
B2
PVDD
B3
PGND
VDD
C1
IN-
C2
EN
C3
VO+
TPA2038D1
9-BALL 0.4mm PITCH
WAFER CHIP SCALE PACKAGE (YFF)
(TOP VIEW OF PCB)
1.214 mm
TPA2038D1
www.ti.com
SLOS697
– AUGUST 2011
3.2 W Mono Class-D Audio Power Amplifier With
Selectable Gain and Auto-Recovering Short-Circuit Protection
Check for Samples: TPA2038D1
1
FEATURES
APPLICATIONS
Filter-Free Mono Class-D Speaker Amp
Wireless or Cellular Handsets and PDAs
GAIN Pin Selects Between 6 dB and 12 dB
Portable Navigation Devices
3.2 W into 4
Ω from 5 V supply at 10% THD+N
General Portable Audio Devices
Powerful Mono Class-D Speaker Amplifier
DESCRIPTION
– 1% at 1.4 W into 8 Ω from 5 V Supply
The TPA2038D1 is a 3.2 W into 8-ohm (10% THD)
– 1% at 2.5 W into 4 Ω from 5 V Supply
high
efficiency
filter-free
class-D
audio
power
Integrated Image Reject Filter for DAC Noise
amplifier. The GAIN pin sets gain to either 6 dB or
Reduction
12 dB.
Low Output Noise of 20
μV
Features like 95% efficiency, 1.5 mA quiescent
Low Quiescent Current of 1.5 mA
current, 0.5
μA shutdown current, 81 dB PSRR,
20
μV output noise, and improved RF immunity make
Auto-Recovering Short-Circuit Protection
the TPA2038D1 class-D amplifier ideal for cellular
Thermal-Overload Protection
handsets. A start-up time is within 4 ms with no
9-Ball 1,21 mm
× 1,16 mm 0,4 mm Pitch WCSP
turn-on pop.
The TPA2038D1 is available in a 1.21 mm x
1.16 mm, 0.4 mm pitch wafer chip scale package
(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
© 2011, 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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