Document Title Channel Stereo Class-D Audio Power Amplifier Revision H

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Document Title Channel Stereo Class-D Audio Power Amplifier Revision H

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AP130 Preliminary
Document Title Channel Stereo Class-D Audio Power Amplifier Revision History
Channel Stereo Class-D Audio Power Amplifier
History
Initial issue Application Circuits Important Notice Change document title from Channel Stereo Class-D Audio Power Amplifier" Channel Stereo Class-D Audio Power Amplifier"
Issue Date
October 2001 November 2001
Remark
Preliminary
Important Notice: AMIC reserves right make changes products discontinue integrated circuit product service without notice. AMIC integrated circuit products designed, intended, authorized, warranted suitable life-support applications, devices systems other critical applications. AMIC products such applications understood fully risk customer.
PRELIMINARY (November, 2001, Version 0.1)
AMIC Technology, Inc.
AP130 Preliminary
Features
watt channel with 8-ohm load Max. efficiency with 8-ohm load volts Filterless Digital gain control Build-in depop circuitry Error protection short circuit over-temperature Mute (shutdown) current typical operating current (4mA volts without load) TSSOP package available
Channel Stereo Class-D Audio Power Amplifier
General Description
AP130 oversampling class-D power amplifier stereo audio applications. provides high power-efficiency filterless 8-ohm load. Build-in depop, mute gain control features simplify applications. (Bridge-Tied-Load) configuration delivers watt into 8-ohm load channel supply voltage. allows direct coupling power signal. Reliability improved through over-temperature short circuit protections. class-D power amplifier enables high efficiency applications portable devices.
Configurations
TSSOP
PGND OUTN1 INN1 AGND INN2 OUTN2 PGND
PGND OUTP1 VREF INP1 INP2 OUTP2 PGND
AP130X
PRELIMINARY
(November, 2001, Version 0.1)
AMIC Technology,
AP130
Block Diagram
INN1
Over Sampling
PVDD Gate Driver
OUTN1
PGND PVDD INP1
Over Sampling
Gate Driver
OUTP1
PGND VREF Gain Control Internal Voltage Generator Ramp Generator Control Logic Shut down, Depop Over-temperature protection Short circuit Protection
PVDD INN2
Over Samping
Gate Driver
OUTN2
PGND PVDD INP2
Over Samping
Gate Driver
OUTP2
PGND AGND
PRELIMINARY
(November, 2001, Version 0.1)
AMIC Technology,
AP130
Function
Signal Name AGND VREF INN1 INP1 OUTN1 OUTP1 PGND Ground Analog circuitry Internal voltage reference Function Description
220pF capacitor connected this sets ramp frequency gain control
gain control Channel negative differential input Channel positive differential input Channel negative output Channel positive output Ground noisy signals
PVDD INN2 INP2 OUTN2 OUTP2
Power supply noisy signals Channel negative differential input Channel positive differential input high output indicates over-temperature, short circuit depop effect Channel negative output Channel positive output Logic shutdown amplifiers; Logic high enable normal operation amplifiers Power supply analog circuitry
Absolute Maximum Ratings Over Operating Free-air Temperature
Supply Voltage, VDD, PVDD -0.3V Input Voltage -0.3V 0.3V Operating Free-air Temperature Range -40°C 85°C Operating Junction Temperature Range -40°C 150°C Storage Temperature Range -65°C 150°C
PRELIMINARY
(November, 2001, Version 0.1)
AMIC Technology,
AP130
Recommended Operating Conditions
Min. Supply voltage, VDD, PVDD High-level input voltage, Low-level input voltage, Operating free-air temperature, Ramp Max. Unit
Electrical Characteristics, TA=25°C, VDD=PVDD=5V (unless otherwise noted)
Parameter PSRR IDD(SD) Output offset voltage Power supply rejection ratio High-level input current Low-level input current Supply current Supply current (shutdown) PVDD 2.7V 5.5V PVDD 5.5V, =PVDD PVDD 5.5V, PVDD 5.5V Test Conditions Min. Typ. Max. Unit
Operating Characteristics, TA=25°C, VDD=PVDD=5V, RL=8, Gain=8dB
Parameter THD+N KSVR Output power Total harmonic distortion plus noise Maximum output power bandwidth Supply ripple rejection ratio Signal-to-noise ratio Input impedance Test Conditions 0.4%, 1kHz, 0.5W, 20Hz 20kHz 1kHz C(VREF) 0.4µF 20Hz 20kHz Min. Typ. <0.2% Max. Unit
Gain Settings
AMPLIFIER GAIN GAIN0 GAIN1 (dB) Typ. 17.5 23.5 INPUT IMPEDANCE Typ.
PRELIMINARY
(November, 2001, Version 0.1)
AMIC Technology,
AP130
Application Circuits
OUTN1
120K 0.1uF
PGND OUTN1 PVDD INN1 AGND
PGND OUTP1 VREF PVDD INP1
0.1uF 100pF
OUTP1
0.1uF
0.1uF
10uF
INN1 AGND
INP1
0.1uF
220pF
AP130
0.1uF
INN2 PVDD OUTN2 PGND
INP2 PVDD OUTP2 PGND
0.1uF
INN2
120K 0.1uF
120K
INP2 PVDD
0.1uF 10uF
OUTN2
OUTP2
PRELIMINARY
(November, 2001, Version 0.1)
AMIC Technology,
AP130
Ordering Information
Part AP130X Package TSSOP
PRELIMINARY
(November, 2001, Version 0.1)
AMIC Technology,
AP130
Package Information TSSOP (4.40mm BODY) Outline Dimensions
Dtail
unit: inches/mm
0.20 0.25 GAUGE PLANE Detail
0.076MM
SEATING PLANE
Dimensions inches Symbol 0.169 0.004 0.004 0.007 0.004 0.303 0.002 0.031 0.020 0.035 0.024 0.039 0.307 0.252 0.173 0.026 0.177 0.012 0.008 0.311 0.043 0.006 0.041 0.030
Dimensions 0.05 0.80 0.50 7.70 4.30 0.09 0.09 0.19 0.09 0.90 0.60 7.80 6.40 4.40 0.65 4.50 0.30 0.20 7.90 1.20 0.15 1.05 0.75
Notes: maximum value dimension includes flash. Dimension does include resin fins.
PRELIMINARY
(November, 2001, Version 0.1)
AMIC Technology,

Document Title Channel Stereo Class-D Audio Power Amplifier Revision H

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