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TDA8927 датащи(PDF) 3 Page - NXP Semiconductors

номер детали TDA8927
подробное описание детали  Power stage 2 x 80 W class-D audio amplifier
Download  36 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA8927 датащи(HTML) 3 Page - NXP Semiconductors

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2001 Dec 11
3
Philips Semiconductors
Objective specification
Power stage 2
× 80 W class-D
audio amplifier
TDA8927
1
FEATURES
• High efficiency (>94%)
• Operating voltage from ±15 to ±30 V
• Very low quiescent current
• High output power
• Short-circuit proof across the load, only in combination
with controller TDA8929T
• Diagnostic output
• Usable as a stereo Single-Ended (SE) amplifier or as a
mono amplifier in Bridge-Tied Load (BTL)
• Electrostatic discharge protection (pin to pin)
• Thermally protected, only in combination with controller
TDA8929T.
2
APPLICATIONS
• Television sets
• Home-sound sets
• Multimedia systems
• All mains fed audio systems
• Car audio (boosters).
3
GENERAL DESCRIPTION
The TDA8927 is the switching power stage of a two-chip
set for a high efficiency class-D audio power amplifier
system. The system is split into two chips:
• TDA8927J/ST/TH; a digital power stage in a DBS17P,
RDBS17P or HSOP24 power package
• TDA8929T; the analog controller chip in a SO24
package.
With this chip set a compact 2
× 80 W audio amplifier
system can be built, operating with high efficiency and very
low dissipation. No heatsink is required, or depending on
supply voltage and load, a very small one. The system
operates over a wide supply voltage range from
±15 up to ±30 V and consumes a very low quiescent
current.
4
QUICK REFERENCE DATA
5
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
General; VP = ±25 V
VP
supply voltage
±15
±25
±30
V
Iq(tot)
total quiescent current
no load connected
35
45
mA
η
efficiency
Po =30W
94
%
Stereo single-ended configuration
Po
output power
RL =4 Ω; THD = 10%; VP = ±25 V
60
65
W
RL =4 Ω; THD = 10%; VP = ±27 V
74
80
W
Mono bridge-tied load configuration
Po
output power
RL =4 Ω; THD = 10%; VP = ±17 V
90
110
W
RL =8 Ω; THD = 10%; VP = ±25 V
120
150
W
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8927J
DBS17P
plastic DIL-bent-SIL power package; 17 leads (lead length
12 mm)
SOT243-1
TDA8927ST
RDBS17P
plastic rectangular-DIL-bent-SIL power package; 17 leads (row
spacing 2.54 mm)
SOT577-1
TDA8927TH
HSOP24
plastic, heatsink small outline package; 24 leads; low stand-off
height
SOT566-2


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