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LTC1921 Datasheet(PDF) 7 Page - Linear Technology |
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LTC1921 Datasheet(HTML) 7 Page - Linear Technology |
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7 / 14 page  LTC1443/LTC1444/LTC1445 7 144345fe pin FuncTions OUT B (Pin 1): Comparator B Output. (Open-drain output for LTC1444). Output can source up to 40mA (LTC1443, LTC1445) and sink 5mA. OUT A (Pin 2): Comparator A Output. (Open-drain output for LTC1444). Output can source up to 40mA (LTC1443, LTC1445) and sink 5mA. V+ (Pin 3): Positive Supply. IN A– (Pin 4): Inverting Input of Comparator A. Input common mode range from V– to V+ – 1.3V. Input current typically 10pA at 25°C. IN A+ (Pin 5): Noninverting Input of Comparator A. Input common mode range from V– to V+ – 1.3V. Input current typically 10pA at 25°C. IN B– (Pin 6): Inverting Input of Comparator B. Input common mode range from V– to V+ – 1.3V. Input current typically 10pA at 25°C. IN B+ (Pin 7): Noninverting Input of Comparator B. Input common mode range from V– to V+ – 1.3V. Input current typically 10pA at 25°C. REF (Pin 8): Reference Output. With respect to V–. Can source up to 200µA and sink 15µA at 25°C. Drive 0.01µF bypass capacitor without oscillation. V– (Pin 9): Negative Supply. Connect to ground for single supply operation on LTC1443. IN C– (Pin10): Inverting Input of Comparator C. Input common mode range from V– to V+ – 1.3V. Input current typically 10pA at 25°C. IN C+ (Pin 11): Noninverting Input of Comparator C. Input common mode range from V– to V+ – 1.3V. Input current typically 10pA at 25°C. IN D– (Pin 12): Inverting Input of Comparator D. Input common mode range from V– to V+ – 1.3V. Input current typically 10pA at 25°C. IN D+ (Pin 13): Noninverting Input of Comparator D. Input common mode range from V– to V+ – 1.3V. Input current typically 10pA at 25°C. GND (Pin 14): LTC1443 Ground. Connect to V– for single supply operation. HYST (Pin 14): LTC1444/LTC1445 Hysteresis Input. Con- nect to REF if not used. Input voltage range is from VREF to VREF – 50mV. OUTD(Pin15):ComparatorDOutput.(Open-drainoutput for LTC1444). Output can source up to 40mA (LTC1443, LTC1445) and sink 5mA. OUT C (Pin 16): Comparator C Output. (Open-drain output for LTC1444). Output can source up to 40mA (LTC1443, LTC1445) and sink 5mA. Exposed Pad (Pin 17, DFN Package): This pin is internally connected to V–. Connection is optional, but will improve thermal dissipation. – + – + OUT B OUT A V+ IN A– IN A+ IN B – IN B+ REF OUT C OUT D GND IN D+ IN D– IN C+ IN C– V– + – + – LTC1443 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1.2V + – – + – + OUT B OUT A V+ IN A– IN A+ IN B – IN B+ REF OUT C OUT D HYST IN D+ IN D– IN C+ IN C– V– + – + – LTC1444/LTC1445 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 144345 PF 1.2V + – |
Similar Part No. - LTC1921 |
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Similar Description - LTC1921 |
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