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부품번호 | LM311 기능 |
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기능 | Voltage comparator | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 4 페이지수
Philips Semiconductors Linear Products
Voltage comparator
Product specification
LM111/211/311/
LM311B
DESCRIPTION
The LM111 series are voltage comparators that have input currents
approximately a hundred times lower than devices like the µA710.
They are designed to operate over a wider range of supply voltages;
from standard ±15V op amp supplies down to a single 3V supply.
Their output is compatible with RTL, DTL, and TTL as well as MOS
circuits. Further, they can drive lamps or relays, switching voltages
up to 50V at currents as high as 50mA.
Both the inputs and the outputs of the LM111 series can be isolated
from system ground, and the output can drive loads referred to
ground, the positive supply, or the negative supply. Offset balancing
and strobe capability are provided and outputs can be wire-ORed.
Although slower than the µA710 (200ns response time vs 40ns), the
devices are also much less prone to spurious oscillations. The LM111
series has the same pin configuration as the µA710 series.
FEATURES
• Operates from single 3V supply (LM311B)
• Maximum input bias current: 150nA (LM311—250nA)
• Maximum offset current: 20nA (LM311—50nA)
• Differential input voltage range: ±30V
• Power consumption: 135mW at ±15V
• High sensitivity—200V/mV
• Zero crossing detector
PIN CONFIGURATION
D, FE, N PACKAGES
GND 1
INPUT 2
INPUT 3
V– 4
+
–
8 V+
7 OUTPUT
6 BAL/STROBE
5 BALANCE
APPLICATIONS
• Precision squarer
• Positive/negative peak detector
• Low voltage adjustable reference supply
• Switching power amplifier
ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Small Outline Package (SO)
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Small Outline Package (SO)
8-Pin Ceramic Dual In-Line Package (CERDIP)
8-Pin Plastic Small Outline Package (SO)
8-Pin Plastic Dual In-Line Package (DIP)
TEMPERATURE RANGE
-55°C to +125°C
-25°C to +85°C
0 to +70°C
0 to +70°C
-25°C to +85°C
-55°C to +125°C
0 to +70°C
0 to +70°C
ORDER CODE
LM111N
LM211N
LM311D
LM311N
LM211D
LM111FE
LM311BD
LM311BN
DWG #
0404B
0404B
0174C
0404B
0174C
0580A
0174C
0404B
August 31, 1994
273 853-0927 13721
Philips Semiconductors Linear Products
Voltage comparator
Product specification
LM111/211/311/
LM311B
TYPICAL APPLICATIONS
INPUT
BAL
R2
R1
5 3K
2
+
6
LM311
3K
8
3–
17
4
V+ = 5V
TO
MOS
LOGIC
R3
10K
R1
4.5K
2+
8
LM311
7
R2
3–
1
1K 4
V+ 5V
R3
2K
TTL
OUTPUT
V– = 10V
MAGNETIC
PICKUP
* Values shown are for a 0 to 30V logic swing and a 15V threshold.
** May be added to control speed and reduce susceptibility to noise spikes.
Zero Detector
Driving MOS Logic
Detector for Magnetic
Transducer
V+ = 5V
R1
240K
INPUT
C1
R3
82K
2
+
8
LM311
3–
4
R2 R4
47K 82K
7
1
R5
1K
TO TTL
OUTPUT
TTL Interface with High
Level Logic
August 31, 1994
276
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다운로드 | [ LM311.PDF 데이터시트 ] |
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |