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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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LC7972VB Scheda tecnica(PDF) 4 Page - Sanyo Semicon Device |
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LC7972VB Scheda tecnica(HTML) 4 Page - Sanyo Semicon Device |
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4 / 4 page  No. 5682-4/4 LC7972VA, 7972VB Parameter Symbol Conditions Ratings Unit Maximum supply voltage VDD max VDD –0.3 to +7.0 V Output voltage VO OP1O, OP2O, TGO –0.3 to VDD+0.3 V VI1 OP1ON, OFST1, OP2ON, OFST2, EXT, CLKC, CUP2, –0.3 to VDD+0.3 V Input voltage CUP1, AVSSP, OP1I, OP2I, TGI VI2 AVSSM –3 to +0.3 V Peak output current IOP OP1O, OP2O, TGO –1 to +1 mA Average output current IOA OP1O, OP2O, TGO : The current per pin –1 to +1 mA Allowable power dissipation Pd max SSOP20 : Ta = –30 to +70°C 100 mW Operating temperature Topr –30 to +70 °C Storage temperature Tstg –55 to +125 °C Specifications Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V Parameter Symbol Conditions Ratings Unit min typ max Supply voltage VDD VDD 4.9 5.2 V Input high-level voltage VIH OP1ON, OFST1, OP2ON, OFST2 0.7 VDD VDD V Input low-level voltage VIL1 OP1ON, OFST1, OP2ON, OFST2, CLKC VSS 0.3 VDD V VIL2 EXT VSS 0.3 VDD V Common-mode input voltage VIC 0 4.2 V Voltage drop DV AVSSM: Zener diode = 5.1 V (X rank specified) –0.2 V Allowable Operating Ranges at Ta = –30 to +70°C, VSS = 0 V, VDD = 4.9 to 5.2 V, unless otherwise specified Parameter Symbol Conditions Ratings Unit min typ max Input high-level current IIH1 OP1ON, OFST1, OP2ON, OFST2 : VIN = VDD 1.0 µA IIH2 TGI: VIN = VDD, with the built-in TG off. 1.0 µA IIL1 OP1ON, OFST1, OP2ON, OFST2, EXT, –1.0 µA Input low-level current CLKC : VIN = VSS IIL2 TGI: VIN = VSS, with the built-in TG off. –1.0 µA Output high-level voltage VOH OP1O, OP2O : IOH = –3 µA VDD – 0.5 V Output low-level voltage VOL OP1O, OP2O : IOL = 3 µA 0.5 V Operational amplifier 1 gain-related resistance Rtg + 2Rs TGO, TGI 500 700 900 Ω Operational amplifier 1 gain-related resistance |Rx–Ry| TGO, TGI: Offset mode: Rx = Rtg + 2Rs 80 Ω difference Operating mode: Ry = Rtg + 2Rs Current drain Operating IDDOP VDD; Using the internal clock, with the 700 900 µA operational amplifier 1 circuit operating. Standby IDDST VDD; Both operational amplifiers 1 and 2 0.05 10 µA stopped. Electrical Characteristics at Ta = –30 to +70°C, VSS = 0 V, VDD = 4.9 to 5.2 V, unless otherwise specified Parameter Symbol Conditions Ratings Unit min typ max Input offset voltage VIO OP1I, OP2I : LC7972VA 5 10.5 mV LC7972VB 5 15 mV Supply voltage rejection ratio PSRR 1 kHz 60 dB Common-mode rejection ratio CMRR 60 dB Open-loop voltage gain AO 80 dB 0-dB bandwidth fT 90 kHz Maximum output voltage VO OP1O, OP2O : RL ≥ 100 kΩ VDD – 0.5 V Current drain ICC For the operational amplifier 1 circuit 100 µA Settling time TSET OP1O, OP2O 900 µs Operational Amplifier Characteristics at Ta = 25°C ±2°C, VSS = 0 V, VDD = 4.9 to 5.2 V, unless otherwise specified |
Codice articolo simile - LC7972VB |
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