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| MITSUMI IC for Headphone Stereos MM1006 IC for Headphone Stereos Monolithic IC MM1006 Outline This IC was developed for use in headphone stereos, and incorporates the basic functions of a tape player as well as dual preamp, power amp, and motor control circuits. It requires few external components and can be used in a simple circuit configuration. Features 1. Broad operating voltage range of 2.0 to 5.0 V (amp system operates to 1.8 V) 2. Simple circuit configuration 3. Power amp fixed at 28 dB 4. Ripple filter included 5. Provided with pin to turn off preamps 6. With noise from motor driving unit suppressed Package SDIP-22A (MM1006D) SOP-24A (MM1006XF) Absolute Maximum Ratings Item Operating temperature Storage temperature Power supply current Operating voltage Power consumption Symbol TOPR TSTG VCC Vop Pd Ratings -20~+65 -40~+125 -0.3~+7.5 2.0~5.0 600 (SDIP-22A) 450 (SOP-24A) Units C C V V mW MITSUMI IC for Headphone Stereos MM1006 Electrical Characteristics Item Consumption current Preamp unit (Ta=25C) Open-circuit gain Closed-circuit gain Maximum output voltage Total harmonic distortion ratio Output noise voltage Crosstalk between channels Output voltage with preamp off (Except where noted otherwise,Vcc=3.0V, f=1kHz) Symbol ICC GVO GVC Vom THD Vno C*T Vooff Rooff Rioff Measurement conditions VIN=0V Vo=-10dBm, RL=, f=100Hz Vo=-10dBm THD=10% VOUT=400mW, VOUT=-10dBm VIN=0V, Rg=2.2k, BPF=30Hz~20kHz Rg=2.2k VIN=100mVrms 1 30 40 0.30 Min. Typ. Max. Units 5 72 42 0.45 0.05 150 0.5 300 -50 10 10 44 10 mA dB dB V % A dB dB k k * Output resistance with preamp off Input resistance with preamp off Measurement conditions: Preamp off pin: Open *1: Preamp off pin: Connect to VCC Power amp unit (Ta=25C) Voltage gain Voltage gain difference between channels Maximum output power I Maximum output power II Total harmonic distortion ratio Output noise voltage Crosstalk between channels Ripple rejection Noise of preamp + power amp Measurement conditions: RL=16 Motor speed control unit (Ta=25C) Consumption current Startup current Reference voltage Reference voltage fluctuation I Reference voltage fluctuation II Reference voltage fluctuation III Current coefficient Current coefficient fluctuation I Current coefficient fluctuation II Current coefficient fluctuation III Leakage current on forced off Input resistance on forced off IMC IMS Vref Vref1 Vref2 Vref3 K K1 K2 K3 IML Ricon 37 VCC between 2.1 and 5.0 V IM between 25 and 250 mA Ta between -10 and 50C Between RML-ADJ pins VCC between 2.0 and 5.0V IM=0mA 500 0.72 0.80 0.05 0.01 0.01 32 38 0.5 0.05 0.02 200 43 %/V %/mA %/C A k 0.87 3.0 5.0 mA mA V %/V %/mA %/C Gv Gv Pom1 Pom2 THD Vn C*T RR Vnto POUT=5mW VR1, 2=max. THD=10%, RL=32 THD=10%, RL=16 POUT=5mW Rg=10k POUT=5mW 100Hz, 100mVp-p VIN=0V, Rg=2.2k, VR1, 2 : max. 40 40 20 30 0.6 0.25 50 50 6 9 2.0 1.0 26 28 0 28 30 2 dB dB mW mW % mVrms mVrms dB mVrms *2 IM between 25 and 250 mA Ta between -10 and 50C Measurement conditions: IM=100 mA Motor: M25E-5 (Mitsumi model) *2: Voltage fluctuation between motors MITSUMI IC for Headphone Stereos MM1006 Block Diagram MITSUMI IC for Headphone Stereos MM1006 Characteristics Preamp THD-VOUT POUT. No-load consumption current (mA) Power supply output (THD=10%) POUT max.(mW) Total harmonic distortion ratio (%) 60 50 40 30 20 10 0 1.0 ICC-VCC RL=16 RL=32 12 10 8 6 4 2 5.0 10.0 VCC=1.8V VCC=2.0V VCC=3.0V 1.0 IOC (RL=16) 0.1 2.0 3.0 4.0 Power supply voltage (V) 0.01 -30 -20 -10 0 Output voltage (dBm) Power amp Ripple rejection rate (dB) Ripple rejection-VCC Power amp Crosstalk frequency -20 -30 -40 -50 -60 0 1.0 2.0 FR=100Hz VR=100mVrms RL=16 Crosstalk (dB) -10 3.0 4.0 5.0 0 -10 -20 -30 -40 -50 -60 -70 10 VCC=3.0V 100 1k 10k 100k Power supply (V) Frequency (Hz) Voltage gain- Frequency 80 VCC=3.0V TOTAL GAIN Gain (dB) 60 40 20 0 10 100 1k 10k 100k POWER AMP GAIN Frequency (Hz) |
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