October 18, 2010 IRS2092 PROTECTED DIGITAL AUDIO AMPLIFIER Features • • • • • • • • • Integrated analog input Class D audio amplifier driver in a small 16 pin package Floating inputs enable easy half bridge implementation Programmable bidirectional over-current protection with self-reset function Programmable preset deadtime for improved THD performances Start and stop click noise reduction High noise immunity ±100 V ratings deliver up to 500 W in output power Operates up to 800 kHz RoHS compliant Product Summary VOFFSET (max) Io+ Io - Gate driver Selectable Deadtime OC protection delay (max) DC offset PWM frequency Error amplifier open loop gain THD+N* (1kHz, 50W, 4Ω) Residual Noise* (AES-17 Filter) ± 100 V 1.0 A 1.2 A 25/40/65/105 ns 500 ns <20 mV ~800 kHz >60 dB 0.01 % 200 µVrms * measured with recommended circuit Typical Applications • • • • Package Options Home theater systems Mini component stereo systems Powered speaker systems General purpose audio power amplifiers SOIC16N PDIP16 Typical Connection Diagram IRS2092 INPUT +B 1 VAA CSH 16 2 GND VB 15 3 IN- HO 14 4 COMP VS 13 5 CSD VCC 12 6 VSS LO 11 7 VREF COM 10 8 OCSET DT 9 Speaker Vcc 12V -B www.irf.com © 2007 International Rectifier IRS2092 Table of Contents Page Description 3 Simplified Block Diagram 4 Typical Application Diagram 4 Qualification Information 5 Absolute Maximum Ratings 6 Recommended Operating Conditions 7 Electrical Characteristics 8 Waveform Definitions 10 Functional Block Diagram 11 Input/Output Pin Equivalent Circuit Diagram 12 Lead Definitions 13 Lead Assignments 13 Package Details 14 Tape and Reel Details 16 Part Marking Information 17 Ordering Information 18 www.irf.com © 2007 International Rectifier 2 IRS2092 Description The IRS2092 is a high voltage, high performance Class D audio amplifier driver with PWM modulator and protection. In conjunction with two external MOSFET and a few external components, a complete Class D audio amplifier with protection can be realized. International Rectifier’s proprietary noise isolation technology allows high current gate drive stage and high speed low noise error amplifier reside on a single small silicon die. Open elements of PWM modulator section allow flexible PWM topology implementation. www.irf.com © 2007 International Rectifier 3 IRS2092 Simplified Block Diagram 1 kΩ 4.7 Ω Typical Application Diagram Refer to IRAUDAMP5 reference design for details. www.irf.com © 2007 International Rectifier 4 IRS2092 Qualification Information† Qualification Level Moisture Sensitivity Level Machine Model ESD Human Body Model Charged Device Model IC Latch-Up Test RoHS Compliant Industrial†† (per JEDEC JESD 47E) Comments: This IC has passed JEDEC’s Industrial qualification. IR’s Consumer qualification level is granted by extension of the higher Industrial level. MSL2††† SOIC16N (per IPC/JEDEC J-STD-020C) DIP16 Not applicable Class B (per JEDEC standard JESD22-A114D) Class 2 (per EIA/JEDEC standard EIA/JESD22-A115-A) Class IV (per JEDEC standard JESD22-C101C) Class I, Level A (per JESD78A) Yes † †† Qualification standards can be found at International Rectifier’s web site http://www.irf.com/ Higher qualification ratings may be available should the user have such requirements. Please contact your International Rectifier sales representative for further information. ††† Higher MSL ratings may be available for the specific package types listed here. Please contact your International Rectifier sales representative for further information. www.irf.com © 2007 International Rectifier 5 IRS2092 Absolute Maximum Ratings Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to COM; all currents are defined positive into any lead. The Thermal Resistance and Power Dissipation ratings are measured under board mounted and still air conditions. Symbol VB VS VHO VCSH VCC VLO VAA Definition High side floating supply voltage High side floating supply voltage (Note2) High side floating output voltage CSH pin input voltage Low side fixed supply voltage (Note2) Low side output voltage Floating input positive supply voltage (Note2) VSS Floating input negative supply voltage (Note2) VGND Floating input supply ground voltage IINVCSD VCOMP VDT VOCSET IAAZ ISSZ ICCZ IBSZ IOREF dVS/dt dVSS/dt Inverting input current (Note1) SD pin input voltage COMP pin input voltage DT pin input voltage OCSET pin input voltage Floating input positive supply zener clamp current (Note2) Floating input negative supply zener clamp current (Note2) Low side supply zener clamp current (Note3) Floating supply zener clamp current (Note3) Reference output current Allowable Vs voltage slew rate Allowable Vss voltage slew rate (Note3) SOIC16N Maximum power dissipation @ TA ≤ +25°C DIP16 SOIC16N Thermal resistance, Junction to ambient DIP16 Junction Temperature Storage Temperature Lead temperature (soldering, 10 seconds) Pd RthJA TJ TS TL Min -0.3 VB -20 VS -0.3 VS -0.3 -0.3 -0.3 (See IAAZ) -1 (See ISSZ) VSS -0.3 (See ISSZ) --VSS -0.3 VSS -0.3 -0.3 -0.3 -------------------------55 --- Max 220 VB +0.3 VB +0.3 VB +0.3 20 Vcc+0.3 210 Units V GND +0.3 VAA +0.3 (See IAAZ) ±3 VAA +0.3 VAA +0.3 VCC +0.3 VCC+0.3 20 20 10 10 5 50 50 1.0 1.6 115 75 150 150 300 mA V mA V/ns V/ms W °C/W Note1: IN- contains clamping diode to GND. Note2: VDD – IN+, GND -VSS, VCC-COM and VB-VS contain internal shunt zener diodes. Please note that the voltage ratings of these can be limited by the clamping current. Note3: For the rising and falling edges of step signal of 10 V. VSS=15 V to 200 V. www.irf.com °C °C °C © 2007 International Rectifier 6 IRS2092 Recommended Operating Conditions For proper operation, the device should be used within the recommended conditions below. The Vs and COM offset ratings are tested with supplies biased at VAA-VSS=10 V, VCC=12 V and VB-VS=12 V. All voltage parameters are absolute voltages referenced to COM; all currents are defined positive into any lead. Symbol VB VS IAAZ ISSZ VSS VHO VCC VLO VGND VINVCSD VCOMP CCOMP VDT IOREF VOCSET VCSH dVss/dt IPW fSW TA Definition High side floating supply absolute voltage High side floating supply offset voltage Floating input positive supply zener clamp current Floating input negative supply zener clamp current Floating input supply absolute voltage High side floating output voltage Low side fixed supply voltage Low side output voltage GND pin input voltage Inverting input voltage CSD pin input voltage COMP pin input voltage COMP pin phase compensation capacitor to GND DT pin input voltage Reference output current to COM (Note 2) OCSET pin input voltage CSH pin input voltage Allowable Vss voltage slew rate upon power-up (Note4) Input pulse width Switching Frequency Ambient Temperature Min. VS +10 1 1 0 Vs 10 0 Max. VS +18 200 11 11 200 VB 18 VCC VSS (Note 3) VGND -0.5 VSS VSS 1 0 0.3 0.5 Vs 10 (Note 5) -40 VAA (Note 3) VGND +0.5 VAA VAA VCC 0.8 5 VB 50 800 125 (Note 1) Units V mA V nF V mA V V/ms ns kHz °C Note 1: Logic operational for Vs equal to –5 V to +200 V. Logic state held for Vs equal to –5 V to –VBS. Note 2: Nominal voltage for VREF is 5.1 V. IOREF of 0.3 – 0.8 mA dictates total external resistor value on VREF to be 6.3 kΩ to 16.7 kΩ. Note 3: GND input voltage is limited by IAAZ and ISSZ. Note 4: VSS ramps up from 0 V to 200 V. Note 5: Output logic status may not respond correctly if input pulse width is smaller than the minimum pulse width. www.irf.com © 2007 International Rectifier 7 IRS2092 Electrical Characteristics VCC,VBS= 12 V, VSS=VS=COM=0 V, VAA=10 V, CL=1 nF and TA=25 °C unless otherwise specified. Definition Symbol Min Typ Max 8.4 8.2 19.6 8.9 8.7 0.2 20.4 9.4 9.2 3 21.6 8.0 7.8 19.6 8.5 8.3 0.2 20.4 9.0 8.8 1 50 21.6 8.2 8.7 9.2 7.7 8.2 8.7 - 0.5 - - 0.5 2 - 8 11 - 8 11 - - 50 6.0 7.0 8.0 Units Test Conditions Low Side Supply UVCC+ UVCCUVCCHYS IQCC VCLAMPL Vcc supply UVLO positive threshold Vcc supply UVLO negative threshold UVCC hysteresis Low side quiescent current Low side zener diode clamp voltage V mA V VDT=VCC ICC=5 mA High Side Floating Supply UVBS+ UVBSUVBSHYS IQBS ILKH VCLAMPH High side well UVLO positive threshold High side well UVLO negative threshold UVBS hysteresis High side quiescent current High to Low side leakage current High side zener diode clamp voltage V mA µA V VB=VS =200 V IBS=5 mA Floating Input Supply UVAA+ UVAAUVAAHYS IQAA0 IQAA1 IQAA2 ILKM VA+, VA- floating supply UVLO positive threshold from VSS VA+, VA- floating supply UVLO negative threshold from VSS UVAA hysteresis Floating Input positive quiescent supply current Floating Input positive quiescent supply current Floating Input positive quiescent supply current Floating input side to Low side leakage current VCLAMPM+ VAA floating supply zener diode clamp voltage, positive, with respect to GND VCLAMPM- VSS floating supply zener diode clamp voltage, negative, with respect to GND V mA µA V -8.0 -7.0 -6.0 -15 - 0 - 15 40 mV nA VSS =0 V, GND pin floating VSS =0 V, GND pin floating VSS =0 V, GND pin floating VAA=10 V, VSS =0 V, VCSD =VSS VAA=10 V, VSS =0 V, VCSD =VAA VAA=10 V, VSS =0 V, VCSD =GND VAA=VSS=VGND= 100 V IAA=5 mA, ISS=5 mA, VGND=0 V, VCSD =VSS IAA=5 mA, ISS=5 mA, VGND=0 V, VCSD =VSS Audio Input (VGND=0, VAA=5V, VSS=-5V) VOS IBIN Input offset voltage Input bias current BW Small signal bandwidth - 9 - MHz CCOMP=2 nF, Rf=3.3 kΩ VCOMP gm GV OTA Output voltage OTA transconductance OTA gain VAA-1 60 100 - VSS+1 - V mS dB VIN-=10 mV VNrms OTA input noise voltage - 250 - mVrms Slew rate Common-mode rejection ratio Supply voltage rejection ratio - ±5 60 65 - V/us 0.7 (VAA-VSS)/2 1.0 1.5 V MHz SR CMRR PSRR BW=20 kHz, Resolution BW=22 Hz Fig.5 CCOMP=1 nF dB PWM comparator VthPWM fOTA PWM comparator threshold in COMP COMP pin star-up local oscillation www.irf.com VCSD =GND © 2007 International Rectifier 8 IRS2092 frequency Protection VREF Reference output voltage 4.8 5.1 5.4 VthOCL Low side OC threshold in Vs 1.1 1.2 1.3 VthOCH Vth1 Vth2 ICSD+ ICSD- High side OC threshold in VCSH CSD pin shutdown release threshold CSD pin self reset threshold CSD pin discharge current CSD pin charge current Shutdown propagation delay from VCSD > VSS + VthOCH to Shutdown Propagation delay time from VCSH > VthOCH to Shutdown Propagation delay time from Vs> VthOCL to Shutdown 1.1+ Vs 0.62xVAA 0.26xVAA 70 70 1.2+ Vs 0.70xVAA 0.30xVAA 100 100 1.3+ Vs 0.78xVAA 0.34xVAA 130 130 - - 250 - - 500 - - 500 - 1.0 1.2 - - - 0.1 - - 1.4 - 360 - VDT = VCC - 335 - VDT = VCC - 20 15 50 35 15 25 35 tSD tOCH tOCL V IOREF =0.5 mA OCSET=1.2 V, Fig.6 Vs=200 V, µA VCSD = VSS +5 V VCSD = VSS +5 V ns Fig.3 Fig.4 Gate Driver Io+ IoVOL VOH ton toff tr tf DT1 DT2 DT3 DT4 VDT1 VDT2 VDT3 Output high short circuit current (Source) Output low short circuit current (Sink) Low level out put voltage LO – COM, HO - VS High level out put voltage VCC – LO, VB - HO High and low side turn-on propagation delay High and low side turn-off propagation delay Turn-on rise time Turn-off fall time Deadtime: LO turn-off to HO turn-on (DTLO-HO) & HO turn-off to LO turn-on (DTHO-LO) Deadtime: LO turn-off to HO turn-on (DTLO-HO) & HO turn-off to LO turn-on (DTHO-LO) Deadtime: LO turn-off to HO turn-on (DTLO-HO) & HO turn-off to LO turn-on (DTHO-LO) Deadtime: LO turn-off to HO turn-on (DTLO-HO) & HO turn-off to LO turn-on (DTHO-LO)VDT= VDT4 DT mode select threshold 2 DT mode select threshold 3 DT mode select threshold 4 A A Vo=0 V, PW<10 µs Vo=12 V, PW<10 µs V Io=0 A VDT>VDT1, ns 25 40 55 VDT1>VDT> VDT2, 50 65 85 VDT2>VDT> VDT3, 85 105 135 VDT3>VDT> VDT4, 0.51xVcc 0.32xVcc 0.21xVcc 0.57xVcc 0.36xVcc 0.23xVcc 0.63xVcc 0.40xVcc 0.25xVcc www.irf.com V © 2007 International Rectifier 9 IRS2092 Waveform Definitions Vth1 CSD 90% HO/LO tSD Figure 1: Switching Time Waveform Definitions VS Figure 2: CSD to Shutdown Waveform Definitions VthOCH CSH VthOCL VS 90% 90% LO HO tOCL tOCH Figure 3: VS > VthOCL to Shutdown Waveform Figure 4: VCSH > VthOCH to Shutdown Waveform Figure 5: OTA input noise voltage mesurent circuit www.irf.com © 2007 International Rectifier 10 IRS2092 Functional Block Diagram: IRS2092 FLOATING INPUT CLICK NOISE ELLIMINATION VAA ` IN- VAA+VSS 2 OTA GND CSH UV DETECT VB UV HIGH SIDE CS ` Q COMP HO PWM MODULATOR HV LEVEL SHIFT COMP HV LEVEL SHIFT UV DETECT FLOATING HIGH SIDE 5V REG VS HV LEVEL SHIFT VCC UV DETECT VSS DEAD TIME CSD LO SD DT CHARGE/ DISCHARGE HV LEVEL SHIFT PROTECTION CONTROL COM HV LEVEL SHIFT VREF LOW SIDE CS OCSET DT www.irf.com © 2007 International Rectifier 11 IRS2092 Input/Output Pin Equivalent Circuit Diagrams: IRS2092 VB ESD Diode 20 V Clamp HO ESD Diode VS 200 V V CC VCC ESD Diode 20 V Clamp LO ESD Diode COM VAA VCC ESD Diode ESD Diode DT, VREF or OCSET COMP or CSD ESD Diode ESD Diode COM VSS www.irf.com © 2007 International Rectifier 12 IRS2092 Lead Definitions: IRS2092 Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol VAA GND INCOMP CSD VSS VREF OCSET DT COM LO VCC VS HO VB CSH Description Floating input positive supply Floating input supply return Analog inverting input Phase compensation input, comparator input Shutdown timing capacitor Floating input negative supply 5V reference voltage to program OCSET pin Low side over current threshold setting Deadtime program input Low side supply return Low side output Low side supply High side floating supply return High side output High side floating supply High side over current sensing input Lead Assignments 1 16 CSH GND 2 15 VB IN- 3 14 HO COMP 4 13 VS CSD 5 12 VCC VSS 6 11 LO VREF 7 10 COM OCSET 8 9 DT IRS2092 VAA PDIP16 and SOIC16N www.irf.com © 2007 International Rectifier 13 IRS2092 Package Details: PDIP16 www.irf.com © 2007 International Rectifier 14 IRS2092 Package Details: SOIC16N www.irf.com © 2007 International Rectifier 15 IRS2092 Tape and Reel Details: SOIC16N LOADED TAPE FEED DIRECTION A A B H D F C NOTE : CONTROLLING DIMENSION IN MM E G CARRIER TAPE DIMENSION FOR 16SOICN Metric Imperial Code Min Max Min Max A 7.90 8.10 0.311 0.318 B 3.90 4.10 0.153 0.161 C 15.70 16.30 0.618 0.641 D 7.40 7.60 0.291 0.299 E 6.40 6.60 0.252 0.260 F 10.20 10.40 0.402 0.409 G 1.50 n/a 0.059 n/a H 1.50 1.60 0.059 0.062 F D C B A E G H REEL DIMENSIONS FOR 16SOICN Metric Imperial Code Min Max Min Max A 329.60 330.25 12.976 13.001 B 20.95 21.45 0.824 0.844 C 12.80 13.20 0.503 0.519 D 1.95 2.45 0.767 0.096 E 98.00 102.00 3.858 4.015 F n/a 22.40 n/a 0.881 G 18.50 21.10 0.728 0.830 H 16.40 18.40 0.645 0.724 www.irf.com © 2007 International Rectifier 16 IRS2092 Part Marking Information www.irf.com © 2007 International Rectifier 17 IRS2092 Ordering Information Standard Pack Base Part Number Package Type PDIP16 IRS2092 SOIC16N Complete Part Number Form Quantity Tube/Bulk 25 IRS2092PBF Tube/Bulk 45 IRS2092SPBF Tape and Reel 2500 IRS2092STRPBF The information provided in this document is believed to be accurate and reliable. However, International Rectifier assumes no responsibility for the consequences of the use of this information. International Rectifier assumes no responsibility for any infringement of patents or of other rights of third parties which may result from the use of this information. No license is granted by implication or otherwise under any patent or patent rights of International Rectifier. The specifications mentioned in this document are subject to change without notice. This document supersedes and replaces all information previously supplied. For technical support, please contact IR’s Technical Assistance Center http://www.irf.com/technical-info/ WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105 www.irf.com © 2007 International Rectifier 18