参数资料
型号: LM339DR2G
厂商: ON Semiconductor
文件页数: 8/11页
文件大小: 0K
描述: IC COMP QUAD SGL SUPPLY 14SOIC
标准包装: 1
类型: 通用
元件数: 4
输出类型: CMOS,开路集电极,TTL
电压 - 电源,单路/双路(±): 3 V ~ 36 V,±1.5 V ~ 18 V
电压 - 输入偏移(最小值): 5mV @ 5V
电流 - 输入偏压(最小值): 0.25µA @ 5V
电流 - 输出(标准): 16mA @ 5V
电流 - 静态(最大值): 2.5mA
工作温度: 0°C ~ 70°C
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
安装类型: 表面贴装
包装: 标准包装
产品目录页面: 1129 (CN2011-ZH PDF)
其它名称: LM339DR2GOSDKR
LM339, LM239, LM2901, LM2901V, NCV2901, MC3302
http://onsemi.com
6
APPLICATIONS INFORMATION
These quad comparators feature high gain, wide
bandwidth characteristics. This gives the device oscillation
tendencies if the outputs are capacitively coupled to the
inputs via stray capacitance. This oscillation manifests itself
during output transitions (VOL to VOH). To alleviate this
situation input resistors < 10 k
W should be used. The
addition of positive feedback (< 10 mV) is also
recommended. It is good design practice to ground all
unused input pins.
Differential input voltages may be larger than supply
voltages without damaging the comparator’s inputs.
Voltages more negative than 300 mV should not be used.
10
Figure 9. Zero Crossing Detector
(Single Supply)
Figure 10. Zero Crossing Detector
(Split Supplies)
Vin(min) ≈ 0.4 V peak for 1% phase distortion (Dq).
D1 prevents input from going negative by more than 0.6 V.
R1 + R2 = R3
R3
R5
for small error in zero crossing
Vin
10 k
D1
R1
8.2 k
6.8 k
R2
15 k
R3
+15 V
*
q
VCC
10 k
Vin
VEE
Vin
Vin(min)
VCC
VO
VEE
Dq
q
*
)
10 M
R5
220 k
R4
220 k
VO
+
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相关代理商/技术参数
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LM339DR2G 制造商:ON Semiconductor 功能描述:Voltage Comparator IC
LM339DR2G-CUT TAPE 制造商:ON 功能描述:LM Series 36 V 250 nA Surface Mount Single Supply Quad Comparator - SOIC-14
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