LT1011A(Rev_B) 데이터 시트보기 (PDF) - Linear Technology

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LT1011A
(Rev.:Rev_B)

Voltage Comparator

Linear Technology 

TYPICAL APPLICATIONS

Combining Offset Adjust and Strobe

V+

10k

20k

5

–

6

LT1011

+

TTL OR CMOS

5V

1k

1011 TA13

LT1011/LT1011A

Combining Offset Adjustment and Hystersis

5k

2RH**

RH*

6 20k

–

5

7

LT1011

+

1

V+

*HYSTERESIS IS ≈ 0.45mV/µA OF

CURRENT CHANGE IN RH

RL

**THIS RESISTOR CAUSES HYSTERESIS

TO BE CENTERED AROUND VOS

1011 TA15

Direct Strobe Drive When CMOS* Logic

Uses Same V+ Supply as LT1011

V+

8

–

6

LT1011

+

1011 TA14

*NOT APPLICABLE FOR TTL LOGIC

Positive Peak Detector

15V

INPUT

2k 3

8

7

LT1011

2

1

2+

6

4

1M** +

LT1008

10k 3 –

8

C1* 100pF

2µF

1011 TA17

–15V

*MYLAR

**SELECT FOR REQUIRED RESET TIME CONSTANT

OUTPUT

Low Drift R/C Oscillator†

**

15V

15V

2+

8

1k

C1

0.015µF

LT1011

7

3–

4

1

74HC04

×6

BUFFERED

OUTPUT

10k*

10k*

15V

*1% METAL FILM

**TRW TYPE MTR-5/120ppm/°C, 25k ≤ RS ≤ 200k

C1: 0.015µF = POLYSTYRENE, –120ppm/°C,

± 30ppm WESCO TYPE 32-P

10k*

1011 TA16

NOTE: COMPARATOR CONTRIBUTES ≤10ppm/°C DRIFT

FOR FREQUENCIES BELOW 10kHz

†LOW DRIFT AND ACCURATE FREQUENCY ARE

OBTAINED BECAUSE THIS CONFIGURATION

REJECTS EFFECTS DUE TO INPUT OFFSET

VOLTAGE AND BIAS CURRENT OF THE

COMPARATOR

Negative Peak Detector

15V

1M** 3 –

8

INPUT

7

LT1011

2k 2 +

1+

C1*

4

2µF

2–

6

LT1008

10k 3 +

8

100pF

1011 TA18

OUTPUT

–15V

*MYLAR

**SELECT FOR REQUIRED RESET TIME CONSTANT

11

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