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| tm TE CH T62M0002A T62M0002A Features ! ! ! ! ! ! Operating voltage: 4.5V ~ 5.5V ADM algorithm Low noise ( -88dB typical) Low distortion rate (0.5% typical) Embedded SRAM Automatic reset function Digital Sound Processor Embedded SRAM Description The T62M0002A is an echo/surround effect processor. It is designed for various audio systems including karaoke, television, sound equipment, etc. The chip consists of a built-in pre-amplifier, VCO or Voltage control OSC, Embedded SRAM, A/D and D/A converters as well as delay time control logic. Its built-In reply to SRAM can generate delay time effect and can control the delay time value through the external VCO resistor. The VCO circuit can reduce external components and make it easy to adjust the delay time. ! Package type: 16-pin DIP/SOP Part Number Examples Part NO. T62M0002A-J T62M0002A-K Pkg 16-SOP 16-DIP Description 300mil-16-SOP 300mil-16-DIP TM Technology Inc. reserves the right to change products or specifications without notice. P. 1 Publication Date: JUL. 2002 Revision:A tm LP F1 IN TE CH T62M0002A Block Diagram LP F1 O UT LP F2 O UT LP F2 IN OP2 O UT 4 .7 K O hm L P F2 L P F1 C O MP OP2 IN OP1 IN 4 .7 K O hm OP1 O UT CC0 CC1 + + MOD + - 1 /2 VC C VCC R EF A GN D PIN Configuration T62M0002A TM Technology Inc. reserves the right to change products or specifications without notice. P. 2 Publication Date: JUL. 2002 Revision:A + - + - DEM AUT O RESET DI MO MI C LO C K DO 0 DO 1 R AM VC O D GN D OS C_ O VCO tm Pin NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TE CH T62M0002A PIN Description Pin Name VCC REF AGEND DGEND OSC_O VCO CC1 CC2 OP1_OUT OP1_IN OP2_IN OP2_OUT LPF2_IN LPF2_OUT LPF1_OUT LPF1_IN I/O I I I O I I O I O O I Description Analog and positive power supply Analog reference voltage Analog ground Digital ground System oscillator output System oscillator input,system frequency adjustable pin Current control1 Current control2 OP1 output OP1 input OP2 input OP2 output Low pass filter2 input Low pass filter2 output Low pass filter1 output Low pass filter1 input Function Description The T62M0002A is an echo/surround effect generator with built-in SRAM. It enaures low distortion as well as low noise for processing audio signal delay. The chip provides two playing modes(echo and surround) and the playing function block diagrams are shown as follows. - Surround Mode Vin LPF1 A/D -Echo Mode Vout Vin LPF1 A/D Delay D/A LPF2 Vout Delay D/A LPF2 TM Technology Inc. reserves the right to change products or specifications without notice. P. 3 Publication Date: JUL. 2002 Revision:A tm Symbol VCC ICC GV VOMAX THD No TE CH T62M0002A Electrical Characteristics Ta=25C Parameter Operating Voltage Operating Current Voltage Gain Maximum Output Voltage Total Harmonic Distortion Output Noise Voltage Test Conditions VDD Conditions 5V 5V RL=47K 5V THD=10% 5V 30KHz L.P.F. 5V DIN Audio Min. 4.5 1.0 Typ. 5.0 15 0.5 1.6 0.5 -88 Max. 5.5 30 2.5 1.5 -80 Unit V mA dB Vrms % dbV Absolute Maximum Ratings Supply Voltage .......................................................... -0.3V to 6V Input Voltage ............................................................ Vss-0.3V to VDD+0.3V to 125C Operating Temperature .................................... -20C to 70C Storage Temperature .................................................... -50C Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. TM Technology Inc. reserves the right to change products or specifications without notice. P. 4 Publication Date: JUL. 2002 Revision:A tm VCC TE CH T62M0002A Application Circuits C15 Echo Mode U2 C20 0.1uF C21 100uF C22 4.7uF 1 2 3 4 5 R20 R22 20K C29 0.33uF 6 7 8 C30 0.33uF VCC REF AGND DGND OSC_O VCO CC1 CC0 LPF1-IN LPF1-OUT LPF2-OUT LPF2-IN OP2-OUT OP2-IN OP1-IN OP1-OUT T62M0002A 16 15 14 13 12 11 10 9 C26 0.1uF C25 560pF C18 560pF INPUT R11 R10 20k C16 4.7uF 100K 4700pF R12 10k R14 18k C17 1uF R13 2.7k R15 5.6K C23 1uF 3 C24 C19 1uF OUPUT R16 20K R19 10K 0.01uF R18 3K 2 R17 R21 18K C27 4700pF 1 C1 4700pF INPUT R3 R1 10k R4 18k R5 2.7k R6 18K C7 1uF OUPUT R2 20k C2 4.7uF 100K R7 10K C9 0.01uF R9 20K C12 0.1uF C11 4700pF 50K Radj C28 0.1uF AGND DGND Surround Mode VCC U1 C4 0.1uF C5 100uF C6 4.7uF 1 2 3 4 5 R8 6 7 8 C13 0.33uF C14 0.33uF VCC REF AGND DGND OSC_O VCO CC1 CC0 LPF1-IN LPF1-OUT LPF2-OUT LPF2-IN OP2-OUT OP2-IN OP1-IN OP1-OUT T62M0002A 16 15 14 13 12 11 10 9 C10 0.1uF C8 560pF C3 560pF Radj AGND DGND Note:"Radj" Value con set delay time. R/delay time Reference on Resistance / Delay Time Table. TM Technology Inc. reserves the right to change products or specifications without notice. P. 5 Publication Date: JUL. 2002 Revision:A tm FCK Radj TD THD+N % FCK Radj TD THD+N % FCK Radj TD THD+N % FCK Radj TE CH T62M0002A Resistance / Delay Time Table . 2.0M 53.40k 264ms 1.29% 2.5M 41.97k 226ms 0.95% 3.0M 33.41k 174ms 0.73% 3.5M 28.18k 150ms 0.57% 4.0M 24.00k 130ms 0.48% 4.5M 20.90k 117ms 0.41% 5.0M 18.20k 106ms 0.37% 5.5M 16.00k 95.2ms 0.33% 6.0M 14.50k 89ms 0.29% 6.5M 12.90k 80.8ms 0.28% 7.0M 11.60k 74.8ms 0.25% 7.5M 10.70k 70.4ms 0.24% 8.0M 9.72k 65.2ms 0.22% 8.5M 9.07k 62.4ms 0.22% 9.0M 8.07k 57.6ms 0.21% 10M 6.98k 52.4ms 0.18% 11M 5.99k 47.6ms 0.17% 19M 2.16k 12M 5.30k 44.2ms 0.15% 20M 1.89k 13M 4.52k 40.2ms 0.14% 21M 1.69k 14M 4.02k 37.6ms 0.14% 22M 1.49k 15M 3.48k 35.0ms 0.14% 16M 3.08k 33.0ms 0.14% 17M 2.64k 30.8ms 0.14% 18M 2.30k 29.0ms 0.14% TD 27.8ms 26.2ms 25.0ms 24.0ms THD+N 0.14% 0.14% 0.14% 0.14% % Note :This Table is for Surround Mode. R= Extend Resister for adjust FCK & TD. FCK= Oscillate output Frequency for Pin 5 .(Unit : MHZ) TD=Delay Time for output. THD=Total Harmonic Distortion. (TDH+N Ratio %) 5m s 2 .0 VP P 2 VD C 5ns 1HZ Pulse Clock Waveform for input Pin TM Technology Inc. reserves the right to change products or specifications without notice. P. 6 Publication Date: JUL. 2002 Revision:A tm TE CH T62M0002A IC Package T62M0002A 16-SOP Unit:mm T62M0002A 16-DIP Unit:mm TM Technology Inc. reserves the right to change products or specifications without notice. P. 7 Publication Date: JUL. 2002 Revision:A |
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