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TDA8571J
4 x 40 W BTL quad car radio power amplifier
FEATURES
• Requires very few external components
• High output power
• Low output offset voltage
• Fixed gain
• Diagnostic facility (distortion, short-circuit and temperature pre-warning)
• Good ripple rejection
• Mode select switch (operating, mute and standby)
• Load dump protection
• Short-circuit safe to ground and to VP and across the load
• Low power dissipation in any short-circuit condition
• Thermally protected
• Reverse polarity safe
• Electrostatic discharge protection
• No switch-on/switch-off plop
• Flexible leads
• Low thermal resistance
• Pin compatible with the TDA8568Q, except for the gain.
GENERAL DESCRIPTION
The TDA8571J is a integrated class-B output amplifier contained in a 23-lead Single-In-Line (SIL) plastic power package. It contains four amplifiers in a BTL configuration, each with a gain of 34 dB. The output power is 4 × 40 W (EIAJ) into a 4 Ω load.
APPLICATIONS
• The device is primarily developed for car radio applications.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
| SYMBOL | PARAMETER | CONDITIONS | MIN. | MAX. | UNIT |
| VP | supply voltage | operating | - | 18 | V |
| non-operating | - | 30 | V |
| load dump protection; during 50 ms; tr ≥ 2.5 ms | - | 45 | V |
| Vsc(safe) | short-circuit safe voltage | | - | 18 | V |
| Vrp | reverse polarity voltage | | - | 6 | V |
| IOSM | non-repetitive peak output current | | - | 10 | A |
| IORM | repetitive peak output current | | - | 7.5 | A |
| Ptot | total power dissipation | | - | 60 | W |
| Tstg | storage temperature | | -55 | +150 | °C |
| Tamb | operating ambient temperature | | -40 | +80 | °C |
| Tvj | virtual junction temperature | | - | 150 | °C |
PACKAGE OUTLINE
DBS23P: plastic DIL-bent-SIL power package; 23 leads (straight lead length 3.2 mm) SOT411-1
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TDA8571J 4 x 40 W BTL quad car radio power amplifier ic chip , integrated components Images
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