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STA-515, STA5150, STA5150-1A

Table of contents:
Info of STA-515
Info of STA5150
Info of STA5150-1A

STA-515, STA5150, STA5150-1A Selling Leads, Datasheet

MFG:300 Package Cooled:SIP D/C:08+/09+

STA-515, STA5150, STA5150-1A Datasheet download

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Part Number: STA-515

MFG: 300

Package Cooled: SIP

D/C: 08+/09+

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STA5150 General Description

The STA5150 is a fully integrated power module designed to implement a BASH® amplifier when used in conjunction with STABP01 digital processor.

Notice that normally only one Digital Converter is needed to supply a stereo or multi-channel amplifier ystem,therefore most of the functions implemented in the circuit have summing outputs.

The signal circuits are biased by fixed negative and positive voltages referred to Ground. Instead the final stages of the output amplifiers are supplied by two external voltages that are following the audio signal . In this way the headroom for the output transistors is kept at minimum level to obtain a high efficiency power amplifier.

The Compressor circuits, one for each channel, performs a particular transfer behavior to avoid the dynamic restriction that an adaptive system like this requires. To have a high flexibility the attack / release time and the threshold levels are externally programmable. The tracking signal for the external digital converter is generated from the Absolute Value block that rectifies the audio signal present at the compressor output. The outputs of these blocks are decoupled by a diode to permit an easy sum of this signal for the multichannel application. The output power bridges have a dedicated input pin to perform an AC decoupling to cancel the compressor output DC offset. The gain of the stage is equal to 4 (+12dB). A sophisticated circuit performs the output transistor power detector that , with the digital converter, reduces the power supply voltage . Moreover, a maximum current output limiting and the over temperature sensor have been added to protect the circuit itself. The external voltage applied to the STBY/MUTE pin forces the two amplifiers in the proper condition to guarantee a silent turnon and turn-off.

STA5150 Maximum Ratings

Symbol	Parameter	Value	Unit
+V_S	Positive supply voltage referred to pin 13 (GND)	30	V
-V_S	Negative supply voltage referred to pin 13 (GND)	-24	V
V_CD+	Positive supply voltage tracking rail referred to pin 13 (GND)	22	V
V_CD+	Positive supply voltage operated to Vs+⁽¹⁾	0.3	V
V_CD-	Negative supply voltage referred to -Vs ⁽¹⁾	-0.3	V
V_CD-	Negative supply voltage tracking rail referred to pin 13 (GND)	-22	V
V_{Att_Rel}	Pin 3 Negative & Positive maximum voltage reffered to GND (pin 13)	-0.5 to +20	V
V_{Pwr_Imp}	VTrk Pin 7, 10 Negative & Positive maximum voltage referred to GNC (pin 13)	-20 to +20	V
V_{In_pre}	Pin 8 Negative & Positive maximum voltage referred to GND (pin 13)	-0.5 to +0.5	V
V_threshold	Pin 17 Negative & Positive maximum voltage referred to GND (pin 13)	-7 to +0.5	V
I_stb-max	Pin 11 maximum input current (Internal voltage clamp at 5V)	500	A
V_stbymute	Pin 11 negative maximum voltage referred to GND (pin 13)	-0.5	V

Notes: 1. V_CD- must not be more negative than -Vs and V_CD+ must not be more positive than +V_S

STA5150 Features

` MONOCHIP BRIDGE MONO AMPLIFIER FOR BASH^® ARCHITECTURE
` 160W OUTPUT POWER @ R_L = 4 ,THD = 0.5%
` 200W OUTPUT POWER @ R_L = 4 ,THD = 10%
` HIGH DYNAMIC PREAMPLIFIER INPUT STAGES
` EXTERNAL PROGRAMMABLE FEEDBACK TYPE COMPRESSORS
` AC COUPLED INPUT TO CLASS AB BRIDGE OUTPUT AMPLIFIER
` PRECISION RECTIFIERS TO DRIVE THE DIGITAL CONVERTER
` ON-OFF SEQUENCE/ TIMER WITH MUTE AND STANDBY
` PROPORTIONAL OVER POWER OUTPUT CURRENT TO LIMIT THE DIGITAL CONVERTER
` ABSOLUTE POWER BRIDGE OUTPUT TRANSISTOR POWER PROTECTION
` ABSOLUTE OUTPUT CURRENT LIMIT
` INTEGRATED THERMAL PROTECTION
` POWER SUPPLY OVER VOLTAGE PROTECTION
` FLEXIWATT POWER PACKAGE WITH 27 PIN
` BASH® LICENCE REQUIRED

STA5150 Connection Diagram

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