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| Circuit Diagram for 5W AUDIO AMPLIFIER WITH MUTING |
7/31/2014
General description
The TDA1566 is a car audio power amplifier with a complementary output stage realized in BCDMOS. The TDA1566 has two Bridge Tied Load (BTL) output stages and comes in a HSOP24 or DBS27P package. The TDA1566 can be controlled with or without I2C-bus. With I2C-bus control gain settings per channel and diagnostic trigger levels can be selected. Failure conditions as well as load identification can be read with I2C-bus. The load identification detects whether the outputs of a BTL channel are connected with a DC or AC load and discriminates between a speaker load, a line driver load and an open (unconnected) load. The TDA1566 can be configured in a single BTL mode and drive a 1 Ω load. For the single BTL mode it is necessary to connect on the Printed-Circuit Board (PCB) the outputs of both BTL channels in parallel.
Features
Operates in I2C-bus mode and non-I2C-bus mode
TH version: four I2C-bus addresses controlled by two pins; J version: two I2C-bus addresses controlled by one pin.
Two 4 Ω or 2 Ω capable BTL channels or one 1 Ω capable BTL channel
Low offset
Pop free off/standby/mute/operating mode transitions
Speaker fault detection
Selectable gain (26 dB and 16 dB)
In I2C-bus mode:
DC load detection: open, short and speaker or line driver present
AC load (tweeter) detection
Programmable trigger levels for DC and AC load detection
Per channel programmable gain (26 dB and 16 dB, selectable per channel)
Selectable diagnostic levels for clip detection and thermal pre-warning
Selectable information on the DIAG pin for clip information of each channel separately and independent enabling of thermal-, offset- or load fault.
Independent short-circuit protection per channel
Loss of ground and open VP safe
All outputs short-circuit proof to VP, GND and across the load
All pins short-circuit proof to ground
Temperature controlled gain reduction at high junction temperatures
Circuit Diagram
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| circuit diagram for dual channel 46W |
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| single channel 92 W/1 Ω amplifier |
FEATURES
Low dissipation due to switching from Single-Ended (SE) to Bridge-Tied Load (BTL) mode
Differential inputs with high Common Mode Rejection Ratio (CMRR)
Mute, standby or operating mode selectable by pin
Load dump protection circuit
Short-circuit safe to ground; to supply voltage and across load
Loudspeaker protection circuit
Thermal protection at high junction temperature
Device switches to single-ended operation at high junction temperature
Clip detection at 2.5 % THD
Diagnostic signal indicating clipping, short-circuit protection and pre-warning of thermal protection.
GENERAL DESCRIPTION
The TDA1565TH is a monolithic power amplifier in a 20-lead heatsink small outline plastic package. It contains two identical 40 W amplifiers. Power dissipation is minimized by switching from SE to BTL mode only when a higher output voltage swing is needed. The device is developed primarily for car radio applications.
Circuit Diagram:
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| Circuit diagram 2 x 40 W car radio power amplifier |
PCB layout:
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| PCB layout TDA1564 2 x 40 W car radio power amplifier |
FEATURES
Low dissipation due to switching from Single-Ended (SE) to Bridge-Tied Load (BTL) mode
Differential inputs with high Common Mode Rejection Ratio (CMRR)
Mute/standby/operating (mode select pin)
Load dump protection circuit
Short-circuit safe to ground, to supply voltage and across load
Loudspeaker protection circuit
Offset detection for each channel
Device switches to single-ended operation at excessive junction temperatures
Thermal protection at high junction temperature (170°C)
Clip detection at THD = 2.5 %
Diagnostic information (clip/protection/prewarning/offset).
GENERAL DESCRIPTION
The TDA1564 is a monolithic power amplifier in a 17-lead single-in-line (SIL) plastic power package. It contains two identical 25 W amplifiers. The dissipation is minimized by switching from SE to BTL mode, only when a higher output voltage swing is needed. The device is primarily developed for car radio applications.
Circuit diagram:
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| Circuit diagram stereo car radio power amplifier |
PCB Layout:
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| pcb layout for High efficiency 2 × 25 W/4 Ω stereo car radio power amplifier |
7/30/2014
FEATURES
Low dissipation due to switching from Single-Ended (SE) to Bridge-Tied Load (BTL) mode
Differential inputs with high Common Mode Rejection Ratio (CMRR)
Mute/standby/operating (mode select pin)
Zero crossing mute circuit
Load dump protection circuit
Short-circuit safe to ground, to supply voltage and across load
Loudspeaker protection circuit
Device switches to SE operation at excessive junction temperatures
Thermal protection at high junction temperature (170°C)
Diagnostic information (clip detection and protection/temperature)
Clipping information can be selected between
THD = 2.5% or 10%
GENERAL DESCRIPTION
The TDA1563Q is a monolithic power amplifier in a 17-lead DIL-bent-SIL plastic power package. It contains two identical 25 W amplifiers. The dissipation is minimized by switching from SE to BTL mode when a higher output voltage swing is needed. The device is primarily developed for car radio applications.
Circuit Diagram:
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| Circuit diagram 2 x 25 W audio amplifier circuit TDA1563Q |
Datasheet for TDA1563Q: Download:
FEATURES:
- Very high output power, operating from a single low supply voltage
- Low power dissipation, when used for music signals
- Switches to low output power at too high case temperatures
- Few external components
- Fixed gain
- Differential inputs with high common mode rejection
- Mode select pin (on, mute and standby)
- Status I/O pin (class-H, class-B and fast mute)
- All switching levels with hysteresis
- Diagnostic pin with information about:
- Dynamic Distortion Detector (DDD)
- Any short-circuit at outputs
- Open load detector
- Temperature protection.
- No switch-on or switch-off plops
- Fast mute on supply voltage drops
- Quick start option (e.g. car-telephony/navigation)
- Low (delta) offset voltage at the outputs
- Load dump protection
- Short-circuit safe to ground, supply voltage and across the load
- Low power dissipation in any short-circuit condition
- Protected against electrostatic discharge
- Thermally protected
- Flexible leads.
GENERAL DESCRIPTION:
The TDA1562Q is a monolithic integrated 70 W/4 Ω Bridge-Tied Load (BTL) class-H high efficiency power amplifier in a 17-lead DIL-bent-SIL plastic power package. The device can be used for car audio systems (e.g. car, radio and boosters) as well as mains fed applications (e.g.midi/mini audio combinations and TV sound).
Circuit Diagram:
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| Circuit diagram 70 W power amplifier circuit |
Datasheet for TDA1562Q: Download
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