LT1715HMSTRPBF datasheet(6/20 Pages) LINER

Part #	LT1715HMSTRPBF

Description	4ns, 150MHz Dual Comparator with Independent Input/Output Supplies

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT1715

6

1715fa

+IN A (Pin 1): Noninverting Input of Comparator A.

–IN A (Pin 2): Inverting Input of Comparator A.

–IN B (Pin 3): Inverting Input of Comparator B.

+IN B (Pin 4): Noninverting Input of Comparator B.

VEE (Pin 5): Negative Supply Voltage for Input Stage and

Substrate.

GND (Pin 6): Ground for Output Stage.

OUT B (Pin 7): Output of Comparator B.

OUT A (Pin 8): Output of Comparator A.

+VS (Pin 9): Positive Supply Voltage for Output Stage.

VCC (Pin 10): Positive Supply Voltage for Input Stage.

PIN FUNCTIONS

Maximum Toggle Rate

vs Load Capacitance

Propagation Delay

vs Load Capacitance

Response to 150MHz 25mVP-P

Sine Wave Driving 10pF

OUTPUT CAPACITANCE (pF)

0

250

225

200

175

150

125

100

75

50

40

1715 G16

10

20

30

50

35

515

25

45

TA = 25°C

VIN = ±50mV SINUSOID

+VS = VCC = 5V

VEE = GND

OUTPUT LOAD CAPACITANCE (pF)

0

30

50

1715 G17

10

20

40

8

7

6

5

4

3

TA = 25°C

VSTEP = 100mV

OVERDRIVE = 20mV

+VS = VCC = 5V

VEE = –5V

RISING EDGE

(tPDLH)

FALLING EDGE

(tPDHL)

2.5ns/DIV

1715 G18

NA

25mVP-P

5V

0V

20mV/DIV

1V/DIV

OUT A

FET PROBES

VCC = 5V

VEE = –5V

+VS = 5V

VCM = 0V

TYPICAL PERFORMANCE CHARACTERISTICS

Maximum Toggle Rate

vs Input Amplitude

Maximum Toggle Rate

vs Temperature

Maximum Toggle Rate

vs Supply Voltage

INPUT SINUSOID AMPLITUDE (mV)

1

0

100

80

60

40

20

120

140

160

10

100

1715 G13

180

TA = 25°C

+VS = VCC = 5V

VEE = GND

CLOAD = 10pF

TEMPERATURE (°C)

–50

50

70

110

130

150

250

190

0

50

75

1715 G14

90

210

230

170

–25

25

100

125

TA = 25°C

VIN = ±50mV SINUSOID

+VS = VCC = 5V

VEE = –5V

CLOAD = 10pF

RLOAD = 500Ω

+VS = VCC SUPPLY VOLTAGE (V)

2

150

175

200

6

1715 G15

125

100

50

3

4

5

75

250

225

TOGGLING FROM

1V TO +VS – 1V

TA = 25°C

VIN = ±50mV SINUSOID

VEE = GND

CLOAD = 10pF

TOGGLING FROM

20% TO 80% OF +VS

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LT1715HMSTRPBF Datasheet(PDF) 6 Page - Linear Technology

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