LT1720/LT1721

3

17201fc

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

l

2.7

6

V

Supply Current (Per Comparator)

l

l

4

3.5

7

6

mA

mA

Common Mode Voltage Range

(Note 2)

l

–0.1

V

Input Trip Points

(Note 3)

l

–2.0

–3.0

5.5

6.5

mV

mV

Input Trip Points

(Note 3)

l

–5.5

–6.5

2.0

3.0

mV

mV

Input Offset Voltage

(Note 3)

l

1.0

3.0

4.5

mV

mV

Input Hysteresis Voltage

(Note 3)

l

2.0

3.5

7.0

mV

Input Offset Voltage Drift

l

10

μV/°C

Input Bias Current

l

–6

0

μA

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

Voltage Gain

(Note 6)

∞

Output High Voltage

V

Output Low Voltage

l

0.4

V

Propagation Delay

l

4.5

6.5

8.0

ns

ns

Propagation Delay

l

710

13

ns

ns

The

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 specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

Consult LTC Marketing for information on non-standard lead based finish parts.