Datasheet LT1011, LT1011A (Analog Devices) - 13
| Manufacturer | Analog Devices |
| Description | Voltage Comparator |
| Pages / Page | 20 / 13 — Typical applicaTions. Combining Offset Adjust and Strobe. Combining … |
| File Format / Size | PDF / 296 Kb |
| Document Language | English |
Typical applicaTions. Combining Offset Adjust and Strobe. Combining Offset Adjustment and Hystersis
Model Line for this Datasheet
Text Version of Document
LT1011/LT1011A
Typical applicaTions Combining Offset Adjust and Strobe Combining Offset Adjustment and Hystersis
V+ V+ 5k 10k 2RH** RH* HYSTERESIS IS ≈0.45mV/µA OF * 20k CURRENT CHANGE IN RH 20k 6 5 3 – R THIS RESISTOR CAUSES HYSTERESIS ** L 3 – TTL OR CMOS TO BE CENTERED AROUND VOS 5V 5 6 7 LT1011 1011 TA15 LT1011 2 + 2 + 1k 1 1011 TA13
Direct Strobe Drive When CMOS* Logic Uses Same V+ Supply as LT1011 Low Drift R/C Oscillator†
V+ ** 8 15V 15V 3 – 74HC04 6 2 + 8 1k ×6 LT1011 C1 2 + 7 BUFFERED 1011 TA14 0.015µF LT1011 OUTPUT 3 4 *NOT APPLICABLE FOR TTL LOGIC – 1
Positive Peak Detector
15V 10k*10k* 15V 2k 3 8 INPUT + *1% METAL FILM 10k* *** **TRW TYPE MTR-5/120ppm/°C, 25k ≤ R 7 S ≤ 200k LT1011 C1: 0.015µF = POLYSTYRENE, –120ppm/°C, 1011 TA16 2 1 2 – ±30ppm WESCO TYPE 32-P – 6 NOTE: COMPARATOR CONTRIBUTES ≤10ppm/°C DRIFT LT1008 OUTPUT 4 FOR FREQUENCIES BELOW 10kHz 10k 3 †LOW DRIFT AND ACCURATE FREQUENCY ARE + 8 1M** OBTAINED BECAUSE THIS CONFIGURATION + C1* 100pF REJECTS EFFECTS DUE TO INPUT OFFSET 2µF 1011 TA17 VOLTAGE AND BIAS CURRENT OF THE –15V COMPARATOR *MYLAR **SELECT FOR REQUIRED RESET TIME CONSTANT ***INPUT POLARITY IS REVERSED WHEN USING PIN 1 AS OUTPUT
Negative Peak Detector
15V 2 – 1M** 3 8 6 – LT1008 OUTPUT 7 10k 3 LT1011 + 2k 2 1 + 8 INPUT + C1* 100pF 2µF 1011 TA18 4 *MYLAR –15V **SELECT FOR REQUIRED RESET TIME CONSTANT 1011afe For more information www.linear.com/LT1011 13 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Schematic Diagram Package Description Revision History Typical Application Related Parts
Typical applicaTions Combining Offset Adjust and Strobe Combining Offset Adjustment and Hystersis
V+ V+ 5k 10k 2RH** RH* HYSTERESIS IS ≈0.45mV/µA OF * 20k CURRENT CHANGE IN RH 20k 6 5 3 – R THIS RESISTOR CAUSES HYSTERESIS ** L 3 – TTL OR CMOS TO BE CENTERED AROUND VOS 5V 5 6 7 LT1011 1011 TA15 LT1011 2 + 2 + 1k 1 1011 TA13
Direct Strobe Drive When CMOS* Logic Uses Same V+ Supply as LT1011 Low Drift R/C Oscillator†
V+ ** 8 15V 15V 3 – 74HC04 6 2 + 8 1k ×6 LT1011 C1 2 + 7 BUFFERED 1011 TA14 0.015µF LT1011 OUTPUT 3 4 *NOT APPLICABLE FOR TTL LOGIC – 1
Positive Peak Detector
15V 10k*10k* 15V 2k 3 8 INPUT + *1% METAL FILM 10k* *** **TRW TYPE MTR-5/120ppm/°C, 25k ≤ R 7 S ≤ 200k LT1011 C1: 0.015µF = POLYSTYRENE, –120ppm/°C, 1011 TA16 2 1 2 – ±30ppm WESCO TYPE 32-P – 6 NOTE: COMPARATOR CONTRIBUTES ≤10ppm/°C DRIFT LT1008 OUTPUT 4 FOR FREQUENCIES BELOW 10kHz 10k 3 †LOW DRIFT AND ACCURATE FREQUENCY ARE + 8 1M** OBTAINED BECAUSE THIS CONFIGURATION + C1* 100pF REJECTS EFFECTS DUE TO INPUT OFFSET 2µF 1011 TA17 VOLTAGE AND BIAS CURRENT OF THE –15V COMPARATOR *MYLAR **SELECT FOR REQUIRED RESET TIME CONSTANT ***INPUT POLARITY IS REVERSED WHEN USING PIN 1 AS OUTPUT
Negative Peak Detector
15V 2 – 1M** 3 8 6 – LT1008 OUTPUT 7 10k 3 LT1011 + 2k 2 1 + 8 INPUT + C1* 100pF 2µF 1011 TA18 4 *MYLAR –15V **SELECT FOR REQUIRED RESET TIME CONSTANT 1011afe For more information www.linear.com/LT1011 13 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Schematic Diagram Package Description Revision History Typical Application Related Parts