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APA7063 Stereo 1.5W Audio Power Amplifier with DC Volume Control Features * * * * * * * * * * * * * Operating Voltage: 3.3V to 5V DC Volume Control Interface, 0dB to -105dB Depop Circuitry Integrated Thermal shutdown protection circuitry High supply voltage ripple rejection Low Supply Current, IDD = 13mA at Stereo BTL Low Shutdown Current, IDD = 0.7A Bridge-Tied Load (BTL) or Single-Ended-(SE) Modes Operation Output Power at 1% THD+N, VDD=5V -1.2 W/Ch (typ) into an 8 Load Output Power at 10% THD+N, VDD=5V -1.5 W/Ch (typ) into an 8 Load Low Crossover Distortion Low Quiescent Current Bridge-tied or Stereo(Single-ended) Configurations General Description The APA7063 is a monolithic integrated circuit that provides DC volume control, and a stereo bridged audio power amplifiers capable of producing 1.5W(1.2W) into 8 with less than 10%(1.0%) THD+N. APA7063 provides a volume control pin DC_Vol determines the attenuation of output of the amplifiers. The attenuator range is from 0dB (DC_Vol=0.7VDD) to -105dB (DC_Vol=0V) with 32 steps. Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in the APA7063, that reduces pops and clicks noise during power up and when using the shutdown modes and protects the chip from being destroyed by over temperature failure. To simplify the audio system design applications, the APA7063 combines a stereo bridge-tied loads (BTL) mode for speaker drive and a stereo single-end (SE) mode for headphone drive into a single chip, where both modes are easily switched by the SE/BTL input control pin signal. The APA7063 also features a shutdown function which keeps the supply current only 0.7A (typ). Applications * Portable and Desktop Computers * Multimedia Monitors * Portable Radios, PDAs, and Portable TVs Pin Description SHUTDOWN VCC DC Vol Vo1 Vin1 Vin2 Vo2 GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 + OUT1 VCC - OUT1 Bypass SE/BTL - OUT2 VCC + OUT2 ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 1 www.anpec.com.tw APA7063 Ordering and Marking Information APA7063 H a n d lin g C o d e Tem p. Range P ackag e C ode Package Code J : P D IP - 1 6 Tem p. Range I : - 4 0 to 8 5 C H a n d lin g C o d e TU : Tube K : SO P - 16 TR : Tape & Reel APA7063 J : APA7063 XXXXX X X X X X - D a te C o d e APA7063 K : APA7063 XXXXX X X X X X - D a te C o d e Block Diagram SE/BTL 10K 10K Vo1 Vin1 Bias Vin2 + Volume Control 32 steps Vo2 Shutdown VCC GND Bypass Power Management Click and Pop Suppression Circuitry 20K + + - OUT2 10K 10K Absolute Maximum Ratings (Over operating free-air temperature range unless otherwise noted.) Symbol VDD TA TJ TSTG TS VESD Parameter Supply Voltage Operating Ambient Temperature Range Maximum Junction Temperature Storage Temperature Range Soldering Temperature,10 seconds Electrostatic Discharge 2 Rating 6 -40 to 85 150 -65 to +150 260 -2000 to 2000*1 Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 + - + 20K 20K + 20K + OUT1 - OUT1 + OUT2 Unit V C C C C V www.anpec.com.tw APA7063 Electical Characteristics Electrical Characteristics for Entire IC The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25C Symbol VDD IDD ISD VIH VIL Parameter Supply Voltage Quiescent Power Supply Current Shutdown Current SE/BTL High Input Voltage SE/BTL Low Input Voltage Test Conditions Min. 3.3 VIN=0V, IO =0A VPIN 2= VDD 4 APA7063 Typ. Max. 5.5 13 25 0.7 2.0 0.8 Unit V mA A V V Electrical Characteristics for Volume Attenuators The following specifications apply for VDD= 5V. Limits apply for TA= 25C Symbol CRANGE Parameter Attenuator Range Test Conditions Gain with VpIN 3=5V Attenuation with VpIN 3=0V APA7063 Min. Typ. Max. 0.5 -100 -105 Unit dB Electrical Characteristics for BTL Mode Operation The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25C Symbol VOS PO Parameter Output Offset Voltage Output Power Test Conditions THD+N VIN=0V THD=1%, f=1kHz RL=8 THD=10%, f=1kHz RL=8 Total Harmonic Distortion + Noise AVD =2, 20Hz Unit mV W % dB dB uV RSRR XTALK VN Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 3 www.anpec.com.tw APA7063 Electical Characteristics (Cont.) Electrical Characteristics for SE Mode Operation The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25C Symbol VDS PO Parameter Output Offset Voltage Output Power Test Conditions VIN=0V, THD=1%, f=1KHZ, RL=32K THD=10%, f=1KHZ, RL=32K THD+N Total Harmonic Distortion plus AV= 1,VOUT=1 VRMS, f=1KHZ, RL=1K Noise PO= 75mW, RL=32K, Av=1, f=1KHZ RSRR Power Supply Rejection Ratio VRIPPLE= 200mVRMS, f=120Hz,CB=2.2F XTALK Channel Separation f=1KHZ, CB=2.2F VN Output Noise Voltage RL=1K, A-Wtd Filter APA7063 Typ. 100 95 100 0.01 0.05 58 95 30 Unit mV mW dB dB uV Pin Description Pin Name Shutdown VDD DC_Vol Vo1 Vin1 Vin2 Vo2 GND +OUT2 -OUT2 SE/BTL Bypass -OUT2 +OUT1 No 1 2,10,15 3 4 5 6 7 8 9 11 12 13 14 16 I/O 1 Description Shutdown mode control signal input, place entire IC in shutdown mode when held high, Idd=0.7uA. Supply voltage input pin. Volume control function input pin. Channel 1 output for external feedback circuit. Audio input channel 1 Audio input channel 2 Channel 2 output for external feedback circuit. Ground connection for circuitry. Channel 2 positive output in BTL mode and high impedance state in SE mode. Channel 2 negative output in BTL mode and in SE mode. Mode control signal input, hold low for BTL mode, hold high for SE mode. Connect to voltage divider for internal mid_supply bias Channel 1 negative output in BTL mode and in SE mode. Channel 1 positive output in BTL mode and high impedance state in SE mode. I O I I O O O I I O O Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 4 www.anpec.com.tw APA7063 Typical Application Circuit #8 1F R_var 220F Shutdown +OUT1 VCC -OUT1 Vbypass SE/BTL -OUT2 VCC +OUT2 L-ch 100k R-ch 100k #8 1k r*=R_var/50 VCC 20k DC_Vol Vo1 Vi1 Vi2 Vo2 20k GND R-in L-in 1F 20k 20k 1F APA7063 220F Headphone jack 1k * Add a resistor to avoid volume control gain error at power on status. For the R_var with 10K variable resistor, the recommended value of r is in range of 100~200. Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 5 www.anpec.com.tw APA7063 Typical Characteristics THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 0.02 0.01 20 VDD=5V RL=8 Po=1.0W BTL THD+N-Total Harmonic Distortion+Noise (%) 5 2 1 0.5 0.2 0.1 0.05 VDD=5V RL=16 Po=0.5W BTL AV=8 AV=2 AV=4 AV=2 AV=4 0.02 0.01 20 AV=8 50 100 200 500 1k 2k 5k 10k 20k 50 100 200 500 1k 2k 5k 10k 20k Frequency (Hz) Frequency (Hz) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 VDD=5V RL=8 BTL VDD=5V RL=16 BTL f=20kHz f=20kHz 0.2 0.1 0.05 0.02 0.01 10m f=1kHz f=20Hz f=1kHz f=20Hz 0.02 0.01 10m 20m 50m 100m 200m 500m 1 2 20m 50m 100m 200m 500m 1 Output Power (W) Output Power (W) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 6 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 VDD=5V RL=8 Po=0.25W SE VDD=5V RL=32 Po=75mW SE AV=1 0.1 0.05 0.02 0.01 0.005 0.002 0.001 20 50 100 200 500 1k 2k 5k 10k 20k AV=1 0.1 0.05 0.02 0.01 20 AV=4 AV=2 AV=4 AV=2 50 100 200 500 1k 2k 5k 10k 20k Frequency (Hz) Frequency (Hz) THD+N-Total Harmonic Distortion+Noise (%) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 10 5 2 1 0.5 0.2 0.1 0.05 0.02 0.01 10m VDD=5V RL=10k Vin=1Vrms SE VDD=5V RL=8 SE f=20kHz f=20Hz f=1kHz 0.1 0.05 0.02 0.01 0.005 AV=1 AV=4 AV=2 0.002 0.001 20 50 100 200 500 1k 2k 5k 10k 20k 20m 30m 50m 70m 200m 500m Froquency (Hz) Output Power (W) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 7 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 THD+N-Total Harmonic Distortion+Noise (%) VDD=5V RL=32 SE 10 5 2 1 0.5 VDD=5V RL=10k SE 0.1 0.05 0.02 0.01 0.005 0.002 0.001 10m 20m f=20kHz f=20Hz 0.1 0.05 0.02 0.01 0.005 f=20kHz f=1kHz f=1kHz 0.002 0.001 100m 200m 300m 500m 800m 1 f=20Hz 30m 50m 70m 100m 200m 2 3 Output Power (W)) Output Voltage (V) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 0.02 0.01 20 THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 0.02 0.01 20 VDD=3.3V RL=8 Po=0.4W BTL VDD=3.3V RL=16 Po=0.2W BTL AV=2 AV=8 AV=2 AV=8 AV=4 50 100 200 500 1k 2k 5k 10k 20k 50 100 200 500 1k 2k 5k 10k 20k Frequency (Hz) Output Power (W) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 8 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) THD+N-Total Harmonic Distortion+Noise (%) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 10 5 2 1 0.5 0.2 0.1 0.05 VDD=3.3V RL=8 BTL VDD=3.3V RL=16 BTL f=20kHz f=20kHz f=1kHz f=20Hz f=1kHz f=20Hz 0.02 0.01 10m 0.02 0.01 10m 20m 30m 50m 80m 200m 400m 800m 20m 30m 50m 70m 200m 500m Output Power (W) Output Power (W) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 0.02 0.01 20 THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 0.02 0.01 20 VDD=3.3V RL=8 Po=100mW SE VDD=3.3V RL=32 Po=35mW SE AV=1 AV=4 AV=2 50 100 200 500 1k 2k 5k 10k 20k AV=1 AV=4 AV=2 50 100 200 500 1k 2k 5k 10k 20k Frequency (Hz) Frequency (Hz) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 9 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 VDD=3.3V RL=10k Vin=1Vp SE VDD=3.3V RL=8 SE f=20kHz f=20Hz AV=1 AV=2 f=1kHz 0.02 0.01 10m 0.02 AV=4 0.01 20 50 100 200 500 1k 2k 5k 10k 20k 20m 30m 50m 70m 100m 200m Frequency (Hz) Output Power (W) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 VDD=3.3V RL=32 SE VDD=3.3V RL=10k SE f=20kHz f=1kHz f=20kHz f=1kHz 0.02 0.02 f=20Hz 0.01 10m 12m 15m 20m 25m 30m 35m 42m 55m f=20Hz 0.01 100m 200m 300m 500m 700m 1 2 Output Power (W) Output Voltage (V) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 10 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 THD+N-Total Harmonic Distortion+Noise (%) 10 5 2 1 0.5 0.2 0.1 0.05 0.02 VDD=5V RL=10k docking VDD=3.3V RL=10k docking 0.1 0.05 0.02 0.01 0.005 0.002 0.001 100m 200m 300m f=20kHz f=20kHz f=1kHz f=20Hz f=1kHz f=20Hz 200m 300m 500m 700m 1 2 0.006 100m 500m 800m 1 2 3 Output Voltage (V) Output Voltage (V) 100u 100u No filter VN-Output Noise Voltage( V) 50u No filter A_wtd filter VN-Output Noise Voltage( V) 50u A_wtd filter 20u 20u 10u 10u 5u 5u 2u VDD=5V RL=8 Av=2V/V BTL 50 100 200 500 1k 2k 5k 10k 20k 2u VDD=5V RL=10k Av=1V/V SE 50 100 200 500 1k 2k 5k 10k 20k 1u 20 1u 20 Frequency (Hz) Frequency (Hz) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 11 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) +0 +0 -20 Crosstalk (dB) -40 Crosstalk (dB) VDD=5V RL=8 Po=1W Av=2V/V BTL -20 -40 VDD=5V RL=32 Po=75mW Av=1V/V SE -60 -60 -80 f=1kHz -80 f=1kHz -100 -100 f=20kHz f=20kHz -120 20 50 100 200 500 1k 2k 5k 10k 20k -120 20 50 100 200 500 1k 2k 5k 10k 20k Frequency (Hz) Frequency (Hz) +12 0.7 0.6 0.5 0.4 RL=8 +10 +8 Cf=0.1F Cf=0.068F +6 PD-Power Disspation (W) Cf=0.22F Gain (dBV) RL=16 0.3 0.2 0.1 0 +4 +2 VDD=5V RL=8 Av=2V/V BTL 50 100 200 500 1k 2k 5k 10k 20k RL=32 VDD=5V THD<1% BTL 0 0.25 0.5 0.75 1 1.25 1.5 -0 20 Frequency (Hz) Output Power (W) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 12 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) 0.2 0.18 20 No Load PD-Power Disspation (W) 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 IDD-Supply Current (mA) RL=8 1 7.5 15 1 2.5 10 7 .5 5 2 .5 0 1 1 .5 2 2 .5 3 3 .5 4 4 .5 5 5 .5 BTL RL=16 RL=32 VDD=5V THD<1% SE SE Output Power (W) VDD-Supply Voltage (V) 2 1.8 1.6 VDD=5V RL=8 BTL 0.16 0.14 VDD=5V RL=32 SE Output Power (W) 1.4 1.2 1 0.8 0.6 0.4 0.2 0 2.5 3 3.5 4 4.5 5 5.5 Output Power (W) 0.12 0.1 0.08 THD=10% THD=1% THD=10% 0.06 0.04 0.02 0 2.5 3 3.5 4 4.5 5 5.5 THD=1% VDD-Supply Voltage (V) VDD-Supply Voltage (V) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 13 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) 3 0.8 2.5 VDD=5V BTL 0.7 VDD=5V SE Output Power (W) 2 Output Power (W) 0.6 0.5 0.4 0.3 0.2 0.1 0 1.5 1 0.5 THD=10% THD=1% THD=10% THD=1% 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 Load Resistance () Load Resistance () 1.1 1 0.9 VDD=3.3V BTL 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 THD=10% THD=1% Output Power (W) 0.8 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 4 VDD=3.3V SE Output Power (W) THD=10% THD=1% 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 Load Resistance () Load Resistance () Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 14 www.anpec.com.tw APA7063 Typical Characteristics (Cont.) 20 0 -2 0 +0 VDD=5V SE -10 -20 PRSS (dBgA) Gsin (dBV) VDD=5V Vin=200mVp RL=8 Cb=2.2F SE/BTL -30 -40 -50 -60 -4 0 -6 0 -8 0 -1 00 -1 20 0 .0 0 .5 1 .0 1 .5 2 .0 2 .5 3 .0 3 .5 4 .0 4 .5 5 .0 -70 -80 20 50 100 200 500 1k 2k 5k 20k Voltage (V) Frequency (Hz) Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 15 www.anpec.com.tw APA7063 Packaging Information SO - 300mil ( Reference JEDEC Registration MS-013) D N H E GAUGE PLANE 123 A e B A1 L 1 Millimeters Dim A A1 B D E e H L N 1 Min. 2.35 0.10 0.33 Max. 2.65 0.30 0.51 Variations- D Variations SO-16 SO-18 SO-20 SO-24 SO-28 SO-14 Min. 10.10 11.35 12.60 15.20 17.70 8.80 Max. 10.50 11.76 13 15.60 18.11 9.20 Dim A A1 B D E e H L N 1 Inches Min. 0.093 0.004 0.013 Max. 0.1043 0.0120 0.020 Variations- D Variations SO-16 SO-18 SO-20 SO-24 SO-28 SO-14 Min. 0.398 0.447 0.496 0.599 0.697 0.347 Max. 0.413 0.463 0.512 0.614 0.713 0.362 See variations 7.40 7.60 See variations 0.2914 0.2992 1.27BSC 10 0.40 10.65 1.27 0.050BSC 0.394 0.016 0.419 0.050 See variations 0 8 See variations 0 8 Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 16 www.anpec.com.tw APA7063 Packaging Information (Cont.) PDIP-16 pin ( Reference JEDEC Registration MS-001) D E1 E A2 A3 Dim A A1 A2 A3 D E E1 L eB Millimeters Min. 0.380 3.169 2.915 18.632 7.605BSC 6.210 0 8.492 6.464 380.25 9.506 0.245 0 0.335 Max. 5.320 3.422 3.803 19.646 Min. 0.015 0.125 0.115 0.735 A1 A Inches Max. 0.210 0.135 0.150 0.775 0.300BSC 0.255 15 0.375 Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 17 www.anpec.com.tw eB L APA7063 Physical Specifications Terminal Material Lead Solderability Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb) Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3. Reflow Condition (IR/Convection or VPR Reflow) Reference JEDEC Standard J-STD-020A APRIL 1999 temperature Peak temperature 183C Pre-heat temperature Time Classification Reflow Profiles Convection or IR/ Convection Average ramp-up rate(183C to Peak) 3C/second max. 120 seconds max Preheat temperature 125 25C) 60 - 150 seconds Temperature maintained above 183C Time within 5C of actual peak temperature 10 -20 seconds Peak temperature range 220 +5/-0C or 235 +5/-0C Ramp-down rate 6 C /second max. 6 minutes max. Time 25C to peak temperature VPR 10 C /second max. 60 seconds 215-219C or 235 +5/-0C 10 C /second max. Package Reflow Conditions pkg. thickness 2.5mm and all bgas Convection 220 +5/-0 C VPR 215-219 C IR/Convection 220 +5/-0 C pkg. thickness < 2.5mm and pkg. volume 350 mm pkg. thickness < 2.5mm and pkg. volume < 350mm Convection 235 +5/-0 C VPR 235 +5/-0 C IR/Convection 235 +5/-0 C www.anpec.com.tw Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 18 APA7063 Reliability test Program Test item SOLDERABILITY HOLT PCT TST ESD Latch-Up Method MIL-STD-883D-2003 MIL-STD-883D-1005.7 JESD-22-B, A102 MIL-STD-883D-1011.9 MIL-STD-883D-3015.7 JESD 78 Description 245 C , 5 SEC 1000 Hrs Bias @ 125 C 168 Hrs, 100 % RH , 121 C -65 C ~ 150 C , 200 Cycles VHBM > 2KV, VMM > 200V 10ms , Itr > 100mA Carrier Tape & Reel Dimensions t E Po P P1 D F W Bo Ao D1 Ko T2 J C A B T1 Application A 330 1 B 62 +1.5 D C 12.75+ 0.15 D1 J 2 0.5 Po 4.0 0.1 T1 12.4 0.2 P1 2.0 0.1 T2 2 0.2 Ao 6.4 0.1 W 12 0. 3 Bo 5.2 0. 1 P 8 0.1 Ko 2.1 0.1 E 1.750.1 t 0.30.013 SOP- 8 F 5.5 1 1.55 +0.1 1.55+ 0.25 Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 19 www.anpec.com.tw APA7063 Cover Tape Dimensions Application SOP- 8 Carrier Width 12 Cover Tape Width 9.3 Devices Per Reel 2500 Customer Service Anpec Electronics Corp. Head Office : 5F, No. 2 Li-Hsin Road, SBIP, Hsin-Chu, Taiwan, R.O.C. Tel : 886-3-5642000 Fax : 886-3-5642050 Taipei Branch : 7F, No. 137, Lane 235, Pac Chiao Rd., Hsin Tien City, Taipei Hsien, Taiwan, R. O. C. Tel : 886-2-89191368 Fax : 886-2-89191369 Copyright ANPEC Electronics Corp. Rev. A.5 - Mar., 2003 20 www.anpec.com.tw |
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