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參數資料
| 型號： | LM319 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual voltage comparator(雙電壓比較器) |
| 中文描述： | 雙電壓比較器（雙電壓比較器） |
| 文件頁數： | 1/5頁 |
| 文件大?。?/td> | 111K |
| 代理商： | LM319 |
Philips Semiconductors Linear Products
Product specification
LM219/319
Dual voltage comparator
277
August 31, 1994
853-0928 13721
DESCRIPTION
The LM319 series are precision high-speed dual comparators
fabricated on a single monolithic chip. They are designed to operate
over a wide range of supply voltages down to a single 5V logic
supply and ground. Further, they have higher gain and lower input
currents than devices like the
μ
A710. The uncommitted collector of
the output stage makes the LM319 compatible with RTL, DTL, and
TTL as well as capable of driving lamps and relays at currents up to
25mA.
Although designed primarily for applications requiring operation from
digital logic supplies, the LM319 series are fully specified for power
supplies up to
±
15V. It features faster response than the LM111 at
the expense of higher power dissipation. However, the high-speed,
wide operating voltage range and low package count make the
LM319 much more versatile than older devices like the
μ
A711.
FEATURES
Two independent comparators
Operates from a single 5V supply
Typically 80ns response time at
±
15V
Minimum fanout of 3 (each side)
PIN CONFIGURATION
1
2
3
4
5
6
7
8
14
13
12
11
10
9
NC
NC
GND 1
+ INPUT 1
– INPUT 1
V–
OUTPUT 2
NC
OUTPUT 1
V+
– INPUT 2
+ INPUT 2
GND 2
TOP VIEW
D, N Packages
NC
Maximum input current of 1
μ
A over temperature
Inputs and outputs can be isolated from system ground
High common-mode slew rate
EQUIVALENT SCHEMATIC
Q1
R1
3.5K
R2
4K
R3
4K
R6
3K
Q4
Q3
Q2
–
+
INPUTS
R4
3K
R5
3K
Q6
R8
2K
Q22
Q5
R23
4K
R22
60
R20
3.6K
R9
18K
R18
1.9K
Q21
Q20
Q19
R19
250
Q18
R2
900
R24
250
R25
600
TO OTHER
HALF
R7
3K
Q9
Q8
Q7
C1
18pF
R10
170
R11
13K
R12
13K
Q15
Q10
Q13
R13
600
C14
Q12
R14
2K
Q11
Q16
R15
300
R16
600
Q12
R17 3
OUTPUT
V–
GND
V+
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM319_12 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Dual Comparator |
| LM319AH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Comparator |
| LM319AJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Comparator |
| LM319AM | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| LM319AM/NOPB | 功能描述:校驗器 IC HIGH SPD DUAL COMPARATOR RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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