Datasheet LT1720, LT1721 (Analog Devices) - 3

ManufacturerAnalog Devices
DescriptionDual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
Pages / Page28 / 3 — ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*. …
File Format / SizePDF / 274 Kb
Document LanguageEnglish

ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*. PACKAGE DESCRIPTION. TEMPERATURE RANGE

ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE

Model Line for this Datasheet

Text Version of Document

LT1720/LT1721
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1720CDD#PBF LT1720CDD#TRPBF LAAV 8-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C LT1720IDD#PBF LT1720IDD#TRPBF LAAV 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LT1720CMS8#PBF LT1720CMS8#TRPBF LTDS 8-Lead Plastic MSOP 0°C to 70°C LT1720IMS8#PBF LT1720IMS8#TRPBF LTACW 8-Lead Plastic MSOP –40°C to 85°C LT1720CS8#PBF LT1720CS8#TRPBF 1720 8-Lead Plastic SO 0°C to 70°C LT1720IS8#PBF LT1720IS8#TRPBF 1720I 8-Lead Plastic SO –40°C to 85°C LT1721CGN#PBF LT1721CGN#TRPBF 1721 16-Lead Narrow Plastic SSOP 0°C to 70°C LT1721IGN#PBF LT1721IGN#TRPBF 1721I 16-Lead Narrow Plastic SSOP –40°C to 85°C LT1721CS#PBF LT1721CS#TRPBF 1721 16-Lead Plastic SO 0°C to 70°C LT1721IS#PBF LT1721IS#TRPBF 1721I 16-Lead Plastic SO –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes specifi cations that apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VCC = 5V, VCM = 1V, COUT = 10pF, VOVERDRIVE = 20mV, unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Supply Voltage l 2.7 6 V ICC Supply Current (Per Comparator) VCC = 5V l 4 7 mA VCC = 3V l 3.5 6 mA VCMR Common Mode Voltage Range (Note 2) l –0.1 VCC – 1.2 V V + TRIP Input Trip Points (Note 3) –2.0 5.5 mV l –3.0 6.5 mV V – TRIP Input Trip Points (Note 3) –5.5 2.0 mV l –6.5 3.0 mV VOS Input Offset Voltage (Note 3) 1.0 3.0 mV l 4.5 mV VHYST Input Hysteresis Voltage (Note 3) l 2.0 3.5 7.0 mV ΔVOS/ΔT Input Offset Voltage Drift l 10 μV/°C IB Input Bias Current l –6 0 μA IOS Input Offset Current l 0.6 μA CMRR Common Mode Rejection Ratio (Note 4) l 55 70 dB PSRR Power Supply Rejection Ratio (Note 5) l 65 80 dB AV Voltage Gain (Note 6) ∞ V + OH Output High Voltage ISOURCE = 4mA, VIN = VTRIP + 10mV l VCC – 0.4 V V – OL Output Low Voltage ISINK = 10mA, VIN = VTRIP – 10mV l 0.4 V tPD20 Propagation Delay VOVERDRIVE = 20mV (Note 7) 4.5 6.5 ns l 8.0 ns tPD5 Propagation Delay VOVERDRIVE = 5mV (Notes 7, 8) 7 10 ns l 13 ns 17201fc 3