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LT1720 Datasheet(PDF) 6 Page - Linear Technology |
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LT1720 Datasheet(HTML) 6 Page - Linear Technology |
6 / 28 page 6 LT1720/LT1721 ±VTRIP Test Circuit TEST CIRCUITS Response Time Test Circuit + – – + DUT 1/2 LT1720 OR 1/4 LT1721 15VP-P BANDWIDTH-LIMITED TRIANGLE WAVE ~1kHz LTC203 1/2 LT1112 50 Ω 100k 100k 2.4k 10nF 1 µF 0.15 µF 1/2 LT1638 1/2 LT1638 100k 100k 200k 10k 10k 1000 × VHYST 1000 × VTRIP+ 1000 × VTRIP– 1000 × VOS 0.1 µF 50 Ω 50k VCM VCC + – 1/2 LT1112 1720/21 TC01 10nF 1 µF NOTES: LT1638, LT1112, LTC203s ARE POWERED FROM ±15V. 200k Ω PULL-DOWN PROTECTS LTC203 LOGIC INPUTS WHEN DUT IS NOT POWERED 15 3 2 14 16 9 1 8 10 6 7 11 LTC203 2 14 15 3 1 8 16 9 7 11 10 6 – + –3V –100mV –5V PULSE IN 0V 0V 50 Ω 1N5711 400 Ω 130 Ω 25 Ω 50 Ω +VCC – VCM –VCM 50k DUT 1/2 LT1720 OR 1/4 LT1721 25 Ω 0.1 µF 1720/21 TC02 10 × SCOPE PROBE (CIN ≈ 10pF) 0.01 µF 0.01 µF 750 Ω 2N3866 V1* *V1 = –1000 • (OVERDRIVE + VTRIP +) NOTE: RISING EDGE TEST SHOWN. FOR FALLING EDGE, REVERSE LT1720 INPUTS |
Similar Part No. - LT1720 |
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Similar Description - LT1720 |
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