m62457fp Mitsumi Electronics, Corp., m62457fp Datasheet
m62457fp
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m62457fp Summary of contents
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... DESCRIPTION The M62457FP is 5 band peak hold ICs that use microprocessor time division to produce serial output for spectrum analyzer displays. FEATURES • 5 band peak hold elements for spectrum analyzer displays. • Discharg time constant circuit for each band is on the chip. ...
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... Peak hold IC for 5 band spectrum analayzer displays SELECTEOR HOLD OUTPUT P.HOLD BPF 1 Amp-D P.HOLD BPF 2 P.HOLD BPF 3 P.HOLD BPF 4 P.HOLD BPF 5 <PEAK HOLD> Amp-A HOLD C RESET + (The value is the design value) M62457FP 16 GND2 PHOUT 15 TEST 14 GND1 13 ENB 12 SELC 11 SELB 10 SELA Vcc ...
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... Output voltage of peak hold circuit is Vcc/2(Pin.No1) When it is selected by the optput select circuit converted into the voltage of GND standard and outputs it in PHout (Pin.No.15). MITSUBISHI SOUND PROCESSOR ICs Peak hold IC for 5 band spectrum analayzer displays M62457FP ...
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... System supply terminal I Output setting control terminal A ( logic input ) I Output setting control terminal B ( logic input ) I Output setting control terminal C ( logic input ) I Output setting control enble terminal ( logic input ) I Ground1 ( it is assumed in the voltage same as PIN16 ) O Peak hold outout terminal Ground2 ( signal series ) I M62457FP ( / ...
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... GND2 MITSUBISHI SOUND PROCESSOR ICs Peak hold IC for 5 band spectrum analayzer displays Peripheral circuit of pins Vcc 180K I 1 180K 150K I GND2 O Vcc Vcc 10,11,12, 20K I VccX0 10K GND2 I M62457FP 350K VccX0.3 10K ...
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... MITSUBISHI SOUND PROCESSOR ICs Peak hold IC for 5 band spectrum analayzer displays Conditions Ta 25°C Ta > 25°C THERMAL DERATING (MAXIMUM RATING 100 125 AMBIENT TEMPERATURE Ta [ °C ] M62457FP Ratings Unit V 7 540 mW 5.4 mW/°C -20 to +75 °C -40 to +125 °C GND-0.3 to Vcc+0.3 V GND to Vcc ...
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... Set up as the control voltage from a microprocessor during GND-0.3V and 5V. If the voltage of tolerance outside is added, conserve it resistance or diode. MITSUBISHI SOUND PROCESSOR ICs Peak hold IC for 5 band spectrum analayzer displays MIN Conditions 4.5 Vcc=5V 2.5 GND Vcc=5V M62457FP MAX Unit TYP 5.0 6.5 V VCC ...
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... MITSUBISHI SOUND PROCESSOR ICs Peak hold IC for 5 band spectrum analayzer displays SELA SELB ENB SELC 90% Ts(30µSec.MAX) < SELECT state > Tr(25µSec.TYP) M62457FP Note Don`t Care ( / ...
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... ENB SELA L H SELB SELC L PH OUT f1 GND H f1 RESET (105Hz RESET L (340Hz RESET L (1KHz RESET (3.4KHz RESET (10.5KHZ) L MITSUBISHI SOUND PROCESSOR ICs Peak hold IC for 5 band spectrum analayzer displays M62457FP ...
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... AIN Measured at each output (No signal,ENB=0/1) f1 (fin=105Hz) f2 (fin=340Hz) f3 (fin=1KHz) f4 (fin=3.4KHz) f5 (fin=10.5KHz) The time from the rise of output selection until the rise of PHout(90% of peak) < Reference > Inside reset signal Tr=25µsecTYP M62457FP Limis Unit Min Max typ 3.5 2 Vcc 5 ...
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... V REF Gen. SELECTEOR (Vccx0.3) I REF Gen. HOLD OUTPUT BPF IN P.HOLD BPF 1 Amp-D + P.HOLD BPF 2 P.HOLD BPF 3 + P.HOLD BPF 4 P.HOLD BPF 5 <PEAK HOLD> Amp-A HOLD C RESET + M62457FP 16 GND2 PHOUT GND1 13 Px4 ENB 12 Px3 SELC 11 Px2 SELB 10 Px1 SELA Vcc 9 10µ 0.01µ ...
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... V REF Gen. SELECTEOR (Vccx0.3) I REF Gen. HOLD OUTPUT BPF IN P.HOLD BPF 1 Amp-D + P.HOLD BPF 2 P.HOLD BPF 3 + P.HOLD BPF 4 P.HOLD BPF 5 <PEAK HOLD> Amp-A HOLD C RESET + M62457FP 16 GND2 PHOUT 15 14 GND1 A/D 13 Px4 ENB 12 Px3 SELC MCU 11 Px2 SELB 10 Px1 SELA Vcc 9 10µ ...