All-Digital High Efficiency Power Amplifiers HIGH OUTPUT CAPABILI

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All-Digital High Efficiency Power Amplifiers HIGH OUTPUT CAPABILI

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DDX-2160/DDX-2120/DDX-2100
All-Digital High Efficiency Power Amplifiers
HIGH OUTPUT CAPABILITY DDX® Mono-Mode:
DDX-2160: DDX-2120: DDX-2100:
GENERAL DESCRIPTION
DDX-2160, DDX-2120 DDX-2100 power devices monolithic, dual channel H-Bridges that provide audio power
watts channel @10%THD, (DDX-2160) watts channel @10%THD, (DDX-2160, DDX-2120) watts channel @10%THD, (DDX-2100)
DDX® Full-Bridge Mode:
DDX-2160: DDX-2120: DDX-2100: DDX-2160: DDX-2120: DDX-2100:
Binary Half-Bridge Mode:
very high efficiency. Each device contains logic interface, integrated bridge drivers, high efficiency MOSFET output transistors protection circuitry. Each device used DDX® Mode dual bridge reconfigured single bridge with double output current capability. Alternatively, Binary Mode, configured either dual bridge lower power output) quad half-bridge combination both types. benefits DDX® amplification system are: all-digital design that eliminates need digital analog converter (DAC), high efficiency operation derived from Apogee's patented damped ternary pulse width modulation (PWM). This approach provides efficiency advantage over conventional designs more than three times efficiency typical Class amplifiers with music input signals.
VCC1P
SINGLE SUPPLY (+9V +36V) COMPACT SURFACE MOUNT PACKAGE HIGH EFFICIENCY, ohms THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION COMPLETE SURFACE MOUNT DESIGN POWER SUPPLY SAVINGS DIGITAL POWERED SPEAKERS SOUND CARDS AUDIO SURROUND SOUND SYSTEMS DIGITAL AUDIO COMPONENTS
BENEFITS
APPLICATIONS
INLA BIAS CONFIG PWRDN FAULT TRISTATE TWARN GNDREF INLB INRA VSIG VREG2 VREG2 VREG1 VREG1 GNDR1 INRB
PROTECTION DRIVER LOGIC
DRIVE
OUTPL OUTPL PGND1P VCC1N
DRIVE
OUTNL OUTNL PGND1N VCC2P
DRIVE REGULATORS DRIVE
OUTPR OUTPR PGND2P VCC2N OUTNR OUTNR PGND2N
Figure Block Diagram
Specifications subject change without notice. Morgan Drive, Norwood, 02062 voice: (781) 551-9450 fax: (781) 440-9528
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DDX-2160/DDX-2120/DDX-2100
Absolute Maximum Ratings [Note
UNIT SYMBOL PARAMETER VALUE Power supply voltage Input logic reference PTOT Power Dissipation, Theat-spreader 25°C [See Figure Operating junction temperature range +150 Tstg Storage temperature range +150 Note Permanent device damage occur ABSOLUTE MAXIMUM RATINGS exceeded. Exposure absolute maximum rating conditions extended periods affect device reliability.
Recommended Operating Conditions [Note
36.0 UNIT
SYMBOL PARAMETER Power supply voltage Input logic reference Ambient Temperature Note Performance guaranteed beyond recommended operating conditions.
Thermal Data
PARAMETER Thermal resistance junction-case (heat spreader) Thermal shut-down junction temperature Thermal warning temperature Thermal shut-down hysteresis UNIT °C/W
SYMBOL Tj-SD TWARN ThSD
Electrical Characteristics.
[Refer circuit Figure Unless otherwise specified, performance measured using DDX-8001/DDX-8229 processor family, VCC=34V, VL=3.3V, fsw=384kHz, TC=25°C, RL=8.
SYMBOL
PARAMETER DDX-2160 Power Channel
[Note [Note
CONDITIONS THD+N
<10% <10% <10% <10% <10% <10% <10% <10% <10% <10% <10% <10% <10%
UNIT
DDX-2160 Power Channel PO-DM (DDX Mono Mode) [Figure
[Note [Note
WRMS WRMS
DDX-2120 Power Channel
[Note [Note
DDX-2120 Power Channel
[Note [Note
DDX-2100 Power Channel
[Note
DDX-2160 Power Channel
[Note
PO-DF (DDX® Full Bridge Mode)
[Figure
DDX-2160 Power Channel
[Note
DDX-2120 Power Channel
[Note
DDX-2120 Power Channel
[Note
DDX-2100 Power Channel
[Note
DDX-2160 Power Channel PO-Bin (Binary HalfBridge Mode) [Figure
[Note
DDX-2120 Power Channel
[Note
WRMS
DDX-2100 Power Channel
[Note
Note Maximum power limited second. Note Power Output Limited Minimum Current Limit. Note Power Output Limited Maximum Voltage Limit. Specifications subject change without notice. Morgan Drive, Norwood, 02062 voice: (781) 551-9450 fax: (781) 440-9528
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DDX-2160/DDX-2120/DDX-2100
Electrical Characteristics (continued) [Refer circuit Figure Unless otherwise specified, performance measured using DDX-8001/DDX-8229 processor family, =34V, VL=3.3V, fsw=384kHz, TC=25°C, RL=8.
SYMBOL THD+N PARAMETER Total Harmonic Distortion Noise,
[Note
Total Harmonic Distortion Noise,
[Note
CONDITION Wrms Wrms Wrms Wrms
0.04 0.13 0.08 0.20
UNIT
Rds-on Idss ICC-tri toff
Signal Noise Ratio, DDX® Mode Signal Noise Ratio, Binary Half-Bridge Mode, [Note Signal Noise Ratio, Binary Half-Bridge Mode, [Note Peak Efficiency, DDX® Mode Peak Efficiency, Binary Half-Bridge Mode Speaker Output Short-Circuit Protection Limit Bridge [Note Power MOSFET output resistance Power Nchannel Rds-on matching Power Pchannel Rds-on matching Power Pchannel/Nchannel leakage Under-voltage Lockout Threshold supply current, Power-down supply current, Tri-state DDX® mode supply current Binary mode supply current Turn-on delay time Turn-off delay time Rise time Fall Time logic input voltage: PWRDN, TRISTATE pins
A-Weighted
Po=2 Po=4 DDX-2160 DDX-2120 DDX-2100 Id=1A PWRDN TRISTATE 2-Channel switching 384kHz. 4-Channel switching 384kHz. Resistive load Resistive load Resistive load Resistive load 2.7V 3.3V 5.0V 2.7V 3.3V 5.0V 2.7V 3.3V 5.0V 2.7V 3.3V 5.0V
0.85 1.05 1.35 1.85 1.65 1.95
logic input voltage: INLA, INLB, INRA, INRB pins High logic input voltage: PWRDN, TRISTATE pins High logic input voltage: INLA, INLB, INRA, INRB pins Ifault
Output Sink Current, FAULT, Fault Active TWARN pins PWmin Minimum output pulse width load Note Performance Characteristics obtained using DDX-8001/DDX-8229 controller. Note Performance Characteristics obtained using DDX-8000/DDX-8228 controller. Note used single (Mono Mode) configuration, device short-circuit protected.
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DDX-2160/DDX-2120/DDX-2100
Logic Truth Table
InxA INxB OUTPx OUTNx OUTPUT MODE Hi-Z DAMPED NEGATIVE POSITIVE Used TRISTATE
DDX-2160, DDX-2120 DDX-2100 Function Description:
INLA INLB INRA INRB
Inputs
Left logic input signal Left logic input signal Right logic input signal Right logic input signal Description
Control/Miscellaneous
Name Description Power Down (0=Shutdown, Normal). Tri-State (0=All MOSFETS Hi-Z, 1=Normal). Fault output indicator; Overcurrent, Overvoltage Overtemperature (0=Fault, 1=Normal). Thermal warning output (0=Warning 130°C, 1=Normal). Configuration (0=Normal, 1=Parallel operation mono).
PWRDN TRI-STATE FAULT [Note TWARN [Note CONFIG [Note
connect. Note FAULT TWARN outputs open-drain Note Connect CONFIG VREG1 Pins implement single bridge (mono mode) operation high current.
Power Outputs DDX® Mode Binary Full Bridge Mode [Note
Name Left output, positive reference Left output, negative reference Right output, positive reference Right output, negative reference Description
OUTPL OUTNL OUTPR OUTNR
Note DDX® outputs bridged. outputs OUTPx produce signals phase with input.
Power Outputs Binary Half-Bridge Mode [Note
Name Description output, positive reference output, positive reference output, positive reference
OUTNR OUTPR OUTNL
OUTPL output, positive reference Note Half-Bridge Binary Mode outputs bridged. outputs produce signals phase with input. Specifications subject change without notice. Morgan Drive, Norwood, 02062 voice: (781) 551-9450 fax: (781) 440-9528
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DDX-2160/DDX-2120/DDX-2100
Power Supplies
Name [1P, PGND [1P, VREG1 VREG2 VSIG [Note GNDREF GNDS Power Power grounds Internal regulator voltage requires bypass capacitor. Internal regulator voltage requires bypass capacitor. Signal Positive supply. Logic reference voltage. Logic reference ground. Substrate ground. Description
GNDR1 Internal regulator ground. Note (Logic Reference Voltage) recommended powered stable prior achieving assure proper power sequence. recommended remain powered stable until after decayed below during power removal.
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DDX-2160/DDX-2120/DDX-2100
DDX-2160, DDX-2120 DDX-2100 POWER DEVICES
DDX-2160, DDX-2120 DDX-2100 Power Devices dual channel H-Bridges that deliver more than 80/75/65 watts channel (<10%THD) audio output power very high efficiency. They convert both DDX® binary-controlled signals into audio power load. Each includes logic interface, integrated bridge drivers, high efficiency MOSFET outputs, thermal short circuit protection circuitry. DDX® mode, logic level signals channel used control high-speed MOSFET switches connect speaker load input supply ground bridge configuration, according Apogee's patented damped ternary PWM. Binary Mode operation, both Full Bridge Half Bridge Modes supported. These devices include over-current thermal protection well under-voltage lockout with automatic recovery. thermal warning status also provided.
INL[1:2] INR[1:2] PWRDN TRI-STATE OUTPL INL[1:2] INR[1:2] OUTNL PWRDN TRI-STATE
Logic Decode
Left H-Bridge
Logic Decode
LeftA LeftB RightA RightB
OUTPL
OUTNL
FAULT TWARN
Protection Circuitry Regulators
OUTPR
Right H-Bridge
OUTNR
FAULT TWARN
Protection Circuitry Regulators
OUTPR
OUTNR
Figure DDX-2160, DDX-2120 DDX-2100 Block Diagram, Full- Bridge DDX® Binary Modes
Figure DDX-2160, DDX-2120 DDX-2100 Block Diagram, Binary Half-Bridge Mode
Logic Interface Decode
DDX-2160, DDX-2120 DDX-2100 power outputs controlled using logic level timing signals. order provide proper logic interface, input must operate same voltage DDX® controller logic supply. (Logic Reference Voltage) recommended powered stable prior achieving assure proper power sequence. recommended remain powered stable until after decayed below during power removal. Protection Circuitry
DDX-2160, DDX-2120 DDX-2100 include protection circuitry over-current thermal overload conditions. thermal warning TWARN activated (open-drain MOSFET) when temperature exceeds 130°C, advance thermal shutdown protection. When fault condition detected (logical over-current thermal), internal fault signal acts immediately disable output power MOSFETs, placing both H-bridges high impedance state. same time open-drain MOSFET connected FAULT switched There possible modes subsequent activating fault. first SHUTDOWN mode. With FAULT (pull-up resistor) TRI-STATE pins independent, activated fault will disable device, signaling FAULT output. device subsequently reset normal operation toggling TRI-STATE from High High using external logic signal. second AUTOMATIC recovery mode. This depicted application circuit Figure FAULT TRI-STATE pins shorted together connected time constant circuit comprising activated FAULT will force reset TRI-STATE causing normal
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DDX-2160/DDX-2120/DDX-2100
operation resume following delay determined time constant circuit. fault condition still presented, circuit operation will continue repeating until such time fault condition removed. increase time constant circuit will produce longer recovery interval. Care must taken overall system design exceed protection thresholds under normal operation. Power Outputs
DDX-2160, DDX-2120 DDX-2100 power output pins duplicated provide impedance path device's bridged outputs. duplicate power, ground output pins must connected proper operation. PWRDN TRI-STATE pins should used MOSFETS Hi-Z state during power-up until logic power supply, settled. Parallel Output/High Current Operation
When using DDX® Mode output, DDX-2160, DDX-2120 DDX-2100 outputs connected parallel increase output current load. this configuration devices provide over 160W@3 150W@4 130W@4 (see Figure This mode enabled with CONFIG connected VREG1 inputs combined INLA INLB, INRA INRB outputs combined OUTLA OUTLB, OUTRA OUTRB. ADDITIONAL INFORMATION Output Filter
passive two-pole low-pass filter used DDX-2160, DDX-2120 DDX-2100 power outputs reconstruct analog signal. System performance significantly affected output filter design choice components. (See appnote: AN-15, Component Selection Amplifiers.) filter design loads shown Typical Application Circuit Figure Figure shows filter design loads. Figure shows filter bridge mode, loads. Power Dissipation Heat Sink Requirements power dissipated within device will depend primarily supply voltage, load impedance, output modulation level. surface mount package DDX-2160, DDX-2120 DDX-2100 include exposed thermal slug device provide direct thermal path from integrated circuit heatsink. Careful consideration must given overall thermal design. Figure power derating.
Slug Temperature (°C)
Device Internal Dissipation
Figure -Power Derating Curve (Typical)
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DDX-2160/DDX-2120/DDX-2100
additional thermal design considerations, see: AN19, Power Device Thermal Calculator. additional design considerations with binary mode operation, application note: AN-16, Applying DDX-8000/DDX-8228 Binary Mode. Stereo Mode Output Power Supply Voltage, THD+N<1%
Output Power (RMS Watts)
Power Supply Voltage (VDC)
LEGEND: DDX-2100, Iout(min) DDX-2120, Iout(min) DDX-2160, Iout(min) devices, Iout(typ)
3.5A 4.0A 4.5A 6.0A
Figure Output Power Supply Voltage Stereo Bridge.
Figure shows full-scale output power (0dB digital input with unity amplifier gain) function Power Supply Voltage loads either DDX® Mode Binary Full Bridge Mode. Output power constrained higher impedance loads maximum voltage limit DDX-2160, DDX-2120 DDX-2100 over-current protection limit lower impedance loads. minimum threshold over-current protection circuit 4.5/4.0/3.5A typical threshold Solid curves depict typical output power capability each device. Dotted dashed curves depict output power capability constrained minimum current specification DDX-2100, DDX-2120 DDX-2160 respectively. output power curves assume proper thermal management power device's internal dissipation. Figure NOTE: Output power approximately higher.
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DDX-2160/DDX-2120/DDX-2100
Mono Mode Output Power Supply Voltage, THD+N<1%
Output Power (RMS Watts) Power Supply Voltage (VDC)
LEGEND: DDX-2100, Iout(min) DDX-2120, Iout(min) DDX-2160, Iout(min) devices, Iout(typ)
7.0A 8.0A 9.0A
Figure Mono Bridge Output, DDX® Mode Only, Power Supply THD.
Figure depicts mono mode output power function power supply voltages loads Ohms. same current limit observations from Figure apply, except output current 9A/8A/7A minimum, typical mono bridge configuration. Solid curves depict typical performance dotted dashed curves depict minimum current limit DDX-2100, DDX-2120 DDX2160 respectively. Again, output power curves assume proper thermal management power device's internal dissipation. NOTE: Output power approximately higher.
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DDX-2160/DDX-2120/DDX-2100
Binary Half-Bridge Mode Output Power Supply Voltage, THD+N<1%
Output Power (RMS Watts)
Power Supply Voltage (VDC)
LEGEND: DDX-2100, Iout(min) DDX-2120, Iout(min) DDX-2160, Iout(min) devices, Iout(typ)
3.5A 4.0A 4.5A 6.0A
Figure Half-Bridge Binary Mode Output Power Supply (NOTE: Curves taken using 330uF blocking capacitor.)
Figure depicts output power function power supply voltages loads Ohms when DDX-2160, DDX-2120 DDX-2100 operated half-bridge Binary Mode. Solid curves depict typical performance dotted dashed curves depict minimum current limit DDX-2100, DDX-2120 DDX-2160 respectively. Once again, output power curves assume proper thermal management power device's internal dissipation. NOTE: Output power approximately higher.
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DDX-2160/DDX-2120/DDX-2100
Typical Stereo Mode Performance Characteristics.
0.05
0.05
0.02
0.02
0.01 100m
200m
500m
0.01
36VDC,
34VDC,
36VDC,
34VDC,
Figure THD+N Output Power 1kHz, using DDX-8001 controller
Figure THD+N Frequency, using DDX-8001 controller
Typical Mono Mode Performance Characteristics.
0.05
0.05
0.02
0.02
0.01 100m
200m
500m
0.01
36VDC,
34VDC,
36VDC,
34VDC,
Figure THD+N Output Power 1kHz
Figure THD+N Frequency,
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DDX-2160/DDX-2120/DDX-2100
3.10 Typical Binary Half-Bridge Mode Performance Characteristics, VDC,
Figure THD+N Output Power 1kHz
Figure THD+N Frequency,
3.11 Typical DDX-Mode Performance Characteristics 36V, Load, THD+N.
+1.5
Efficiency
-1.5
Total Output Power (Watts)
Figure Typical Efficiency PowerEfficiency
-100 -110 -120 -130 -140
Figure Typical Frequency Response
Figure Typical using DDX-8001 controller
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DDX-2160/DDX-2120/DDX-2100
APPLICATION REFERENCE DESIGNS.
Apogee provide reference designs most applications. Contact Apogee Technical Support more information. STEREO MODE
Figure DDX® Stereo Mode Audio Application Circuit
Figure Sample DDX® Stereo Mode Layout
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DDX-2160/DDX-2120/DDX-2100
MONO MODE.
Figure DDX® Mono Mode Audio Application Circuit
Figure Sample DDX® Mono Mode Layout
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DDX-2160/DDX-2120/DDX-2100
BINARY MODE, CHANNEL.
Figure Binary Mode, Channel Audio Application Circuit (See Note
Figure Sample Binary Mode, Channel Layout
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DDX-2160/DDX-2120/DDX-2100
BINARY MODE, CHANNEL.
Figure Binary Mode, 4-Channel Audio Application Circuit (See Note
Note Channel mappings Binary mode schematics apply DDX-8000/DDX-8228 output channels.
Figure Sample Binary Mode, Channel Layout
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DDX-2160/DDX-2120/DDX-2100
PACKAGE INFORMATION
Package Outline Drawing
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DDX-2160/DDX-2120/DDX-2100
Marking Configuration
Packages with Date Code (YWW) after
LEGEND: PPLLLWX Traceability Coding Country Origin Assembly Year Assembly Week Pb-Free (RoHS Compliant) symbol Pb-Free)
Information furnished this publication believed accurate reliable. However, Apogee Technology, Inc. assumes responsibility use, infringements patents other rights third parties that result from use. Specifications this publication subject change without notice. This publication supersedes replaces information previous supplied. Apogee Technology, Inc. Rights Reserved
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All-Digital High Efficiency Power Amplifiers HIGH OUTPUT CAPABILI

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