Linear LT1716 Schematic [ru]

SOT-23, 44V, Over-the-Top,

Micropower, Precision

Rail-to-Rail Comparator

FEATURES DESCRIPTION

Operates from 2.7V to 44V

Over-The-Top®: Input Common Mode Range

Extends 44V Above V

Micropower: 35μA I

Offset Voltage: 1.5mV Max

Valid Output with Either Input 5V Below V

Rail-to-Rail Output Swing

Output Can Drive Loads Above V

Internal Pull-Up Current

–40°C to 125°C Operating Temperature Range

Low Proﬁ le (1mm) SOT-23 (ThinSOT™) Package

–

, Independent of V

–

APPLICATIONS

Power Supply Monitors

Relay/Lamp Driver

Oscillators

Peak Detector

Level Shifting

The LT®1716 comparator operates on any total power supply voltage between 2.7V and 44V drawing 35μA of quiescent current. The LT1716 has a unique input stage that can be taken 44V above V (Built-in resistors protect the inputs for faults below the negative supply of up to 5V.) The inputs can withstand 44V both differential and common mode.

The output stage includes a class “B” pull-up current source, eliminating the need for an external resistive pull-up and saving power. Output voltage swings to within 35mV of the negative supply and 55mV of the positive supply, which makes the comparator a good choice for low voltage single supply operation. The output stage is also designed to drive loads connected to a higher supply than the LT1716 supply, the same as an open collector output stage.

The LT1716 is available in a SOT-23 5-lead package.

L, LT, LTC, LTM, Over-The-Top, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners.

LT1716

–

, independent of V+ supply.

TYPICAL APPLICATION

Lamp Monitor

–

LT1716 LAMP GOOD

1716 TA01

LAMP

ON/OFF

0.15Ω

0.25A TO 2.5A

5V TO 44V

100k

RS ≥

CMPD6001

0.04

0.1μF

Input Bias Current vs Input Bias Voltage

12μ

VS = 5V, 0V

8μ

INPUT

4μ

BELOW

SUPPLY

(A)

–

+IN = 2V +IN = 2V

–3n

–6n

–100m

–0.5m

–1m

–1.5m

–5 0 5 10 15 20 45

–10

INPUT

ABOVE

SUPPLY

+IN = 10V

–

(V)

1716 TA02

1716fa

LT1716

PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS

(Note 1)

Supply Voltage (V+ to V–) .........................................44V

Differential Input Voltage ..........................................44V

Input Voltage .....................................................44V, –5V

Output Short-Circuit Duration (Note 2) ............ Indeﬁ nite

Operating Temperature Range (Note 3)

LT1716C/LT1716I ................................ –40°C to 85°C

LT1716H ............................................ –40°C to 125°C

OUT

+IN

TOP VIEW

–

5-LEAD PLASTIC TSOT-23

= 150°C, θJA = 250°C/W

JMAX

–

S5 PACKAGE

54V

–IN

Speciﬁ ed Temperature Range (Note 4)

LT1716C/LT1716I ................................ –40°C to 85°C

LT1716H ............................................ –40°C to 125°C

Maximum Junction Temperature .......................... 150°C

Storage Temperature Range ..................–65°C to 150°C

Lead Temperature (Soldering, 10 sec)...................300°C

ORDER INFORMATION

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

LT1716CS5#PBF LT1716CS5#TRPBF LTYD 5-Lead Plastic TSOT-23 –40°C to 85°C

LT1716IS5#PBF LT1716IS5#TRPBF LTYD 5-Lead Plastic TSOT-23 –40°C to 85°C

LT1716HS5#PBF LT1716HS5#TRPBF LTYD 5-Lead Plastic TSOT-23 –40°C to 125°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: For more information on tape and reel speciﬁ cations, go to:

http://www.linear.com/leadfree/

http://www.linear.com/tapeandreel/

ELECTRICAL CHARACTERISTICS

The l denotes the speciﬁ cations which apply over the full operating temperature range of –40°C ≤ TA ≤ 85°C, otherwise speciﬁ cations are at TA = 25°C. Single supply operation V+ = 5V, V– = 0V; VCM = V+/2 unless otherwise noted. (Note 4)

LTC1716C/LT1716I

SYMBOL PARAMETER CONDITIONS

CMRR Common Mode Rejection Ratio 0.5V ≤ V

Input Offset Voltage 0.5V < VCM < (VCC – 1V)

Input Offset Voltage Drift (Note 5) 0°C < T

Input Offset Current VCM = V+/2

Input Bias Current VCM = V+/2

Input Voltage Range (Note 7)

0°C < T

< 70°C

–40°C < T

VCM = 44V

V V

0.5V ≤ V

< 85°C

< 70°C

< 85°C

= 0V

= 0V, VCM = 44V

= 0V = 44V = –5V

< (V+ – 1V)

< 44V (Note 6)

l l

l l l

0.5 44 V

300 1600

2 2

315

20 35

2 3 6 1

110 110

2100 2500

1.3

0.9 50

1.4

UNITSMIN TYP MAX

μV μV μV

μV/°C μV/°C

nA μA μA

nA nA

nA μA μA

dB dB

1716fa

LT1716

ELECTRICAL CHARACTERISTICS

The l denotes the speciﬁ cations which apply over the full operating temperature range of –40°C ≤ T VCM = V+/2 unless otherwise noted. (Note 4)

SYMBOL PARAMETER CONDITIONS

PSRR Power Supply Rejection Ratio V

Minimum Operating Supply Voltage

VOL

–

Large-Signal Voltage Gain RL = 1k; 1V < V

Supply Current V+ = 3V, RL = Open, VO = High

Output Sink Current (Note 2) V Output Source Current V Output Voltage Swing Low

(Referred to V

Output Voltage Swing High (Referred to V

Leakage Current V Propagation Delay V

≤ 85°C, otherwise speciﬁ cations are at TA = 25°C. Single supply operation V+ = 5V, V– = 0V;

LTC1716C/LT1716I

–

= 0V, VCM = 1.5V; 2.7V < V+ < 36V

< 4V

OUT

95 110 dB

200

100

2.4 2.7 V 500 V/mV

35 50

= 5V, RL = Open, VO = High

= 12V, RL = Open, VO = High

OVERDRIVE

–

)

SINK

SOURCE

OUT

OVERDRIVE

> 30mV = 5mV, V

= 0mA, V = 0.1mA = 1mA = 5mA

= 0μA, V = 10μA

= 40V, V

> 100mV, R

OUT

OVERDRIVE

= 1V

= –10mV

= 10mV

> 100mV

= 10k 3 5.5 μs

LOAD

10 20 mA

60 85 μA

l l l l

l l

35 55

40 60

75 200 550

30 130

0.5 2 μA

35 110 300 900

55 185

UNITSMIN TYP MAX

V/mV

μA μA

mV mV mV mV

mV mV

The l denotes the speciﬁ cations which apply over the full operating temperature range of –40°C ≤ TA ≤ 85°C, otherwise speciﬁ cations are at TA = 25°C. Split supply operation VS = ±15V, VCM = 0V unless otherwise noted. (Note 4)

LT1716C/LT1716I

SYMBOL PARAMETER CONDITIONS

Input Offset Voltage –14.5V < VCM < 14V

0°C < T

< 70°C

–40°C < T

< 85°C

Input Offset Voltage Drift (Note 5) 0°C < TA < 70°C

–40°C < T

Input Offset Current VCM = 0V

< 85°C

VCM = 29V V

= –15V

Input Bias Current VCM = 0V

= 29V

= –15V

= –20V

Input Voltage Range (Note 7)

CMRR Common Mode Rejection Ratio –14.5V < V

–14.5V < V

PSRR Power Supply Rejection Ratio V

CM CM

= ±1.35V to ±22V

Minimum Operating Supply Voltage

VOL

–

Large-Signal Voltage Gain RL = 6k; –14V < V

Supply Current VS = ±15V, RL = Open, VO = High Output Sink Current (Note 2) V Output Source Current V

OVERDRIVE

> 30mV = 5mV, V

< 14V < 29V (Note 6)

< 14V

OUT

= –14V

OUT

l l

l l l

2 2

315

l l l

–14.5 14 V

90 110 dB

500

400

10 20 mA

70 105 μA

6 3 1

110

2.4 2.7 V

1000 V/mV

40 95 μA

2000 2400

0.9

1.3 60

100

1.4

300 1500

UNITSMIN TYP MAX

μV μV μV

μV/°C μV/°C

nA μA μA

nA nA

μA μA

dB dB

V/mV

1716fa

LT1716

The l denotes the speciﬁ cations which apply over the full operating

ELECTRICAL CHARACTERISTICS

temperature range of –40°C ≤ T unless otherwise noted. (Note 4)

SYMBOL PARAMETER CONDITIONS

Output Voltage Swing Low (Referred to V

Output Voltage Swing High (Referred to V

Leakage Current V Propagation Delay V

The l denotes the speciﬁ cations which apply over the full operating temperature range of –40°C < TA < 125°C, otherwise speciﬁ cations are at TA = 25°C. Single supply operation V+ = 5V, V– = 0V; VCM = VCC/2 unless otherwise noted. (Note 4)

SYMBOL PARAMETER CONDITIONS

CMRR Common Mode Rejection Ratio 0.5V < V

PSRR Power Supply Rejection Ratio V

VOL

–

Output Voltage Swing High

Input Offset Voltage 0.5V < VCM < (VCC – 1V)

Input Offset Voltage Drift (Note 5) Input Offset Current VCM = V+/2

Input Bias Current VCM = V+/2

Input Voltage Range (Note 7) 0.5 44 V

Minimum Operating Supply Voltage Large-Signal Voltage Gain RL = 1k, 1V < V

Supply Current per Ampliﬁ er V+ = 3V, RL = Open, VO = High

Output Sink Current (Note 2) V Output Source Current V Output Voltage Swing Low

(Referred to V

(Referred to V Leakage Current V Propagation Delay V

≤ 85°C, otherwise speciﬁ cations are at TA = 25°C. Split supply operation VS = ±15V, VCM = 0V

LT1716C/LT1716I

= 0mA, V

–

)

SINK

= 0.1mA

SINK

= 1mA

SINK

= 5mA

SINK

SOURCE

= 25V, V

OUT

OVERDRIVE

= 0μA, V = 10μA

OVERDRIVE

> 100mV, R

= –10mV

OVERDRIVE

> 100mV

LOAD

= 10mV

= 10k 5.5 9 μs

l l l l

l l

75 200 550

45 140

0.6 2 μA

LT1716H

300 1600

V V

CM CM

= 0V = 44V

l l l

2μV/°C 3 220

20 50

= 0V, VCM = 44V

V V

= 0V

= 44V

= –5V

< (V+ – 1V)

0.5V < V

–

< 44V (Note 6)

= 0V, VCM = 1.5V, 2.7V < V+ < 36V

< 4V

OUT

= 6k

l l l

85 110 dB

200

2 3 6 1

110 110

2.4 2.7 V

500 V/mV

35 50

= 5V, RL = Open, VO = High

= 12V, RL = Open, VO = High

OVERDRIVE

–

)

SINK

SOURCE

OUT

OVERDRIVE

> 30mV = 5mV, V

= 0mA, V = 0.1mA = 1mA = 5mA

= 0μA, V = 10μA

= 40V, V

> 100mV, R

OUT

OVERDRIVE

= 1V

= –10mV

> 100mV

= 10k 6 9 μs

LOAD

510 mA

60 110 μA

l l l l

l l

35 55

40 60

200 550

130

1.7 5 μA

35 110 300 900

75 210

2900

1.3

0.9

900

1.4

60 170 480

1200

110 220

UNITSMIN TYP MAX

mV mV mV mV

mV mV

UNITSMIN TYP MAX

μV μV

nA μA μA

nA nA

nA μA μA

dB dB

V/mV

μA μA

mV mV mV mV

mV mV

1716fa

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