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| AP130 Preliminary Document Title 1W Per Channel Stereo Class-D Audio Power Amplifier Revision History Rev. No. 0.0 0.1 1W Per Channel Stereo Class-D Audio Power Amplifier History Initial issue Add Application Circuits and Important Notice Change document title from "2 Channel 1W Stereo Class-D Audio Power Amplifier" to "1W Per Channel Stereo Class-D Audio Power Amplifier" Issue Date October 8, 2001 November 7, 2001 Remark Preliminary Important Notice: AMIC reserves the right to make changes to its products or to discontinue any integrated circuit product or service without notice. AMIC integrated circuit products are not designed, intended, authorized, or warranted to be suitable for use in life-support applications, devices or systems or other critical applications. Use of AMIC products in such applications is understood to be fully at the risk of the customer. PRELIMINARY (November, 2001, Version 0.1) AMIC Technology, Inc. AP130 Preliminary Features n n n n n 1 watt per channel with 8-ohm load Max. efficiency 80% with 8-ohm load at 5 volts Filterless Digital gain control Build-in depop circuitry n n n n Error protection for short circuit and over-temperature Mute (shutdown) current < 1A typical Low operating current (4mA at 5 volts without load) TSSOP 24L package available 1W Per Channel Stereo Class-D Audio Power Amplifier General Description The AP130 is an oversampling class-D power amplifier for stereo audio applications. It provides high power-efficiency for filterless 8-ohm load. Build-in depop, mute and gain control features simplify the applications. BTL (Bridge-Tied-Load) configuration delivers up to 1 watt into 8-ohm load per channel at 5-V supply voltage. It allows direct coupling of the power signal. Reliability is improved through over-temperature and short circuit protections. The class-D power amplifier enables high efficiency applications for portable devices. Pin Configurations n TSSOP ~ ~ PGND OUTN1 G0 PVDD INN1 AGND OSC INN2 PVDD SDB OUTN2 PGND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 PGND OUTP1 VREF PVDD INP1 VDD ERR INP2 PVDD G1 OUTP2 PGND AP130X 19 18 17 16 15 14 13 ~ ~ PRELIMINARY (November, 2001, Version 0.1) 1 AMIC Technology, Inc AP130 Block Diagram VDD VDD INN1 VGA Over Sampling PVDD Gate Driver OUTN1 PGND PVDD INP1 VGA Over Sampling Gate Driver OUTP1 PGND SDB G0 G1 OSC VREF Gain Control Internal Voltage Generator Ramp Generator Control Logic for . Shut down, Depop . Over-temperature protection . Short circuit Protection ERR PVDD INN2 VGA Over Samping Gate Driver OUTN2 PGND PVDD INP2 VGA Over Samping Gate Driver OUTP2 PGND AGND PRELIMINARY (November, 2001, Version 0.1) 2 AMIC Technology, Inc AP130 Pin Function Pin No. 6 22 7 3 15 5 20 2 23 1, 12 13, 24 4, 9 16, 21 8 17 18 11 14 10 19 Signal Name AGND VREF OSC G0 G1 INN1 INP1 OUTN1 OUTP1 PGND I/O PWR I/O I/O I I I I O O PWR Ground for Analog circuitry Internal voltage reference Function Description A 220pF capacitor connected to this pin sets the ramp frequency to 3s Bit 0 of gain control Bit 1 of gain control Channel 1 negative differential input Channel 1 positive differential input Channel 1 negative output Channel 1 positive output Ground for noisy signals PVDD INN2 INP2 ERR OUTN2 OUTP2 SDB VDD PWR I I O O O I PWR Power supply for noisy signals Channel 2 negative differential input Channel 2 positive differential input A high output at ERR indicates over-temperature, short circuit or depop in effect Channel 2 negative output Channel 2 positive output Logic low to shutdown the amplifiers; Logic high to enable normal operation of the amplifiers Power supply for analog circuitry Absolute Maximum Ratings Over Operating Free-air Temperature Supply Voltage, VDD, PVDD ................................................................................................................ -0.3V to 6V Input Voltage ..................................................................................................................... -0.3V to VDD + 0.3V Operating Free-air Temperature Range ........................................................................................... -40C to 85C Operating Junction Temperature Range ......................................................................................... -40C to 150C Storage Temperature Range ........................................................................................................ -65C to 150C PRELIMINARY (November, 2001, Version 0.1) 3 AMIC Technology, Inc AP130 Recommended Operating Conditions Min. Supply voltage, VDD, PVDD High-level input voltage, VIH Low-level input voltage, VIL Operating free-air temperature, TA Ramp G0, G1, SDB G0, G1, SDB -40 200 2.7 2 0.8 85 400 Max. 5.5 Unit V V V C kHz Electrical Characteristics, TA=25C, VDD=PVDD=5V (unless otherwise noted) Parameter VOO PSRR IIH IIL IDD IDD(SD) Output offset voltage Power supply rejection ratio High-level input current Low-level input current Supply current Supply current (shutdown) VI = 0V VDD = PVDD = 2.7V to 5.5V VDD = PVDD = 5.5V, VI = VDD =PVDD VDD = PVDD = 5.5V, VI = 0V VDD = PVDD = 5.5V -1 4 6 1 -77 1 Test Conditions Min. Typ. Max. 10 Unit mV dB A A mA A Operating Characteristics, TA=25C, VDD=PVDD=5V, RL=8, Gain=8dB Parameter PO THD+N BOM KSVR SNR ZI Output power Total harmonic distortion plus noise Maximum output power bandwidth Supply ripple rejection ratio Signal-to-noise ratio Input impedance Test Conditions THD = 0.4%, f = 1kHz, RL = 8 PO = 0.5W, f = 20Hz to 20kHz THD = 5% f = 1kHz C(VREF) = 0.4F 20Hz to 20kHz Min. Typ. 1 <0.2% 20 -60 87 20 kHz dB dBV k Max. Unit W Gain Settings AMPLIFIER GAIN GAIN0 0 0 1 1 GAIN1 0 1 0 1 (dB) Typ. 8 12 17.5 23.5 INPUT IMPEDANCE (k ) Typ. 20 20 20 20 PRELIMINARY (November, 2001, Version 0.1) 4 AMIC Technology, Inc AP130 Application Circuits GND OUTN1 1 2 G0 120K 0.1uF PGND OUTN1 G0 PVDD INN1 AGND PGND OUTP1 VREF PVDD INP1 VDD 24 23 22 21 20 0.1uF 100pF OUTP1 3 4 5 0.1uF 0.1uF 10uF INN1 AGND INP1 VDD 0.1uF 6 220pF 19 18 AP130 7 8 0.1uF OSC INN2 PVDD SDB OUTN2 PGND ERR INP2 PVDD G1 OUTP2 PGND 0.1uF INN2 VDD 120K 0.1uF 17 16 15 14 120K INP2 PVDD 0.1uF 10uF 9 10 G1 S1 OUTN2 11 12 13 OUTP2 GND PRELIMINARY (November, 2001, Version 0.1) 5 AMIC Technology, Inc AP130 Ordering Information Part No. AP130X Package 24L TSSOP PRELIMINARY (November, 2001, Version 0.1) 6 AMIC Technology, Inc AP130 Package Information TSSOP 24L (4.40mm BODY) Outline Dimensions Dtail "A" unit: inches/mm E1 1.0 1.0 2 0.20 R1 0.25 GAUGE PLANE 1 b D A2 A c R Detail "A" D 0.076MM A1 SEATING PLANE E e 3 L L1 Dimensions in inches Symbol A A1 A2 L L1 D E E1 R R1 0.169 0.004 0.004 0.007 0.004 0 0.303 Min 0.002 0.031 0.020 Nom 0.035 0.024 0.039 REF 0.307 0.252 BSC 0.173 0.026 BSC 12 REF 12 REF 8 0.177 0.012 0.008 0.311 Max 0.043 0.006 0.041 0.030 Dimensions in mm Min 0.05 0.80 0.50 7.70 4.30 0.09 0.09 0.19 0.09 0 Nom 0.90 0.60 1.0 REF 7.80 6.40 BSC 4.40 0.65 BSC 12 REF 12 REF 8 4.50 0.30 0.20 7.90 Max 1.20 0.15 1.05 0.75 b c e 1 2 3 Notes: 1. The maximum value of dimension D includes end flash. 2. Dimension E does not include resin fins. PRELIMINARY (November, 2001, Version 0.1) 7 AMIC Technology, Inc |
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