LT1011IS8#TR Linear Technology, LT1011IS8#TR Datasheet

IC COMPARATOR VOLTAGE 5V 8SOIC

LT1011IS8#TR

Manufacturer Part Number
LT1011IS8#TR
Description
IC COMPARATOR VOLTAGE 5V 8SOIC
Manufacturer
Linear Technology
Type
General Purposer
Datasheet

Specifications of LT1011IS8#TR

Number Of Elements
1
Output Type
Open Collector
Voltage - Supply
3 V ~ 36 V, ±1.5 V ~ 18 V
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LT1011IS8#TRLT1011IS8
Manufacturer:
LT
Quantity:
10 000
Company:
Part Number:
LT1011IS8#TRLT1011IS8
Manufacturer:
LINEAR/凌特
Quantity:
20 000
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Part Number:
LT1011IS8#TRLT1011IS8#PBF
Manufacturer:
LINEAR/凌特
Quantity:
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Part Number:
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HOTEL
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Company:
Part Number:
LT1011IS8#TRPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
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APPLICATIONS
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L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
TYPICAL APPLICATION
FEATURES
Pin Compatible with LM111 Series Devices
Guaranteed Max 0.5mV Input Offset Voltage
Guaranteed Max 25nA Input Bias Current
Guaranteed Max 3nA Input Offset Current
Guaranteed Max 250ns Response Time
Guaranteed Min 200,000 Voltage Gain
50mA Output Current Source or Sink
±30V Differential Input Voltage
Fully Specifi ed for Single 5V Operation
Available in 8-Lead PDIP and SO Packages
SAR A/D Converters
Voltage-to-Frequency Converters
Precision RC Oscillator
Peak Detector
Motor Speed Control
Pulse Generator
Relay/Lamp Driver
PARALLEL
OUTPUTS
15V
5V
FULL-SCALE
TRIM
6.49k
R2*
R1
1k
E
6.98k
SAR REGISTER
R3
D/A CONVERTER
AM2504
START
10μs 12-Bit A/D Converter
12-BIT
S
6012
LM329
7V
0.001μF
CLOCK f = 1.4MHz
3.9k
CP
CC
D
S
PARALLEL
OUTPUTS
15V
–15V
SERIAL OUTPUT
820Ω
2.49k
*R2 AND R4
R4*
SHOULD TC TRACK
0V TO 10V
R6
INPUT
LATCH
7475
+
LT1011A
DESCRIPTION
1011 TA01
The LT
nifi cantly better input characteristics than the LM111.
Although pin compatible with the LM111, it offers four
times lower bias current, six times lower offset voltage
and fi ve times higher voltage gain. Offset voltage drift,
a previously unspecifi ed parameter, is guaranteed at
15μV/°C. Additionally, the supply current is lower by a factor
of two with no loss in speed. The LT1011 is several times
faster than the LM111 when subjected to large overdrive
conditions. It is also fully specifi ed for DC parameters and
response time when operating on a single 5V supply. These
parametric improvements allow the LT1011 to be used in
high accuracy (≥12-bit) systems without trimming. In a
12-bit A/D application, for instance, using a 2mA DAC, the
offset error introduced by the LT1011 is less than 0.5LSB.
The LT1011 retains all the versatile features of the LM111,
including single 3V to ±18V supply operation, and a fl oat-
ing transistor output with 50mA source/sink capability. It
can drive loads referenced to ground, negative supply or
positive supply, and is specifi ed up to 50V between V
the collector output. A differential input voltage up to the
full supply voltage is allowed, even with ±18V supplies,
enabling the inputs to be clamped to the supplies with
simple diode clamps.
R5
1k
5V
®
1011 is a general purpose comparator with sig-
Voltage Comparator
450
400
350
300
200
150
100
500
250
50
0
Response Time vs Overdrive
0.1
LT1011/LT1011A
OUTPUT
RISING
FALLING
OUTPUT
OVERDRIVE (mV)
1
10
1011 TA02
100
1011afc
1
and

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LT1011IS8#TR Summary of contents

Page 1

... Voltage-to-Frequency Converters n Precision RC Oscillator n Peak Detector n Motor Speed Control n Pulse Generator n Relay/Lamp Driver L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION 10μs 12-Bit A/D Converter 3. LM329 FULL-SCALE 7V TRIM ...

Page 2

LT1011/LT1011A ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (Pin 8 to Pin 4) .................................36V Output to Negative Supply (Pin 7 to Pin 4) LT1011AC, LT1011C ..............................................40V LT1011AI, LT1011I ................................................40V LT1011AM, LT1011M (OBSOLETE) .......................50V Ground to Negative Supply (Pin 1 to ...

Page 3

ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T otherwise noted. SYMBOL PARAMETER I *Input Offset Current OS I Input Bias Current B *Input Bias Current ΔV Input Offset Voltage Drift OS ΔT (Note 6) A *Large-Signal Voltage Gain ...

Page 4

LT1011/LT1011A TYPICAL PERFORMANCE CHARACTERISTICS Input Bias Current 45 I FLOWS OUT INPUTS 100 125 150 –50 – TEMPERATURE (°C) 1011 G01 Input Characteristics* 5 *EITHER ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS Response Time Using GND Pin as Output 15 20mV 5mV 2mV –5 V OUT –10 2k –15 – – ±15V –100 25°C A ...

Page 6

LT1011/LT1011A TYPICAL PERFORMANCE CHARACTERISTICS Input Offset Voltage vs Common Mode Voltage 2 25°C J 2.0 1.5 1.0 COMMON MODE 0.5 LIMIT = V 0 –0.5 –1.0 – V (OR GND WITH –1.5 SINGLE SUPPLY) –2.0 –2.5 – V ...

Page 7

APPLICATIONS INFORMATION of the compara tor, but require a minimum input sig- nal slew rate to be effective. DC hysteresis works for all input slew rates, but creates a shift in offset volt- age dependent on the previous condition of ...

Page 8

LT1011/LT1011A APPLICATIONS INFORMATION The input resistors should limit fault current to a reasonable value (0.1mA to 20mA). Power dissipation in the resis- tors must be considered for continuous faults, especially when the LT1011 supplies are off. One fi nal caution: ...

Page 9

APPLICATIONS INFORMATION In the “off” state switched off and both Q1 and Q2 1 turn off. The collector of Q2 can be now held at any voltage – above V without conducting current, including voltages above the positive ...

Page 10

LT1011/LT1011A TYPICAL APPLICATIONS Strobing LT1011 3 – 6 TTL STROBE 1k 1011 TA04 NOTE: DO NOT GROUND STROBE PIN Using Clamp Diodes to Improve Frequency Response* CURRENT MODE 2 + INPUT (DAC, ETC – ...

Page 11

TYPICAL APPLICATIONS Combining Offset Adjust and Strobe + V 10k 20k 5 – 6 LT1011 1k + Direct Strobe Drive When CMOS* Logic + Uses Same V Supply as LT1011 8 – 6 LT1011 + *NOT APPLICABLE FOR TTL LOGIC ...

Page 12

LT1011/LT1011A TYPICAL APPLICATIONS 15V ZERO R1 TRIM 1k 0.01μF R2 18k LF398 3.9k –15V C1* C2** 0.1μF 15pF R4 5. 15V D4 LM329 START ≥12ms T ...

Page 13

TYPICAL APPLICATIONS V IN 4.7k –15V 15V 0.1μF 100k 2 3 10k –15V 15V 0.033μF 100Ω AC INPUT 5k ZERO CROSS TRIM Fast Settling* Filter 1M 4.7k OFM-1A – 1. LT1011 15V 15V ...

Page 14

LT1011/LT1011A SCHEMATIC DIAGRAM OFFSET 1.3k R4 R27 R5 300Ω 3k 160Ω Q5 Q31 Q30 INPUT D4 (+) D6 Q29 2 Q1 Q28 INPUT D5 D7 (–) Q27 3 Q26 Q25 R25 R26 1.6k 1.6k PACKAGE DESCRIPTION 0.335 ...

Page 15

... TYP RECOMMENDED SOLDER PAD LAYOUT Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. J8 Package 8-Lead CERDIP (Narrow ...

Page 16

... UltraFast™ Precision Comparator LT1116 12ns Single Supply Ground-Sensing Comparator LT1394 UltraFast Single Supply Comparator LT1671 60ns, Low Power Comparator UltraFast is a trademark of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● 10Hz to 100kHz Voltage to Frequency Converter ...

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