參數(shù)資料
型號(hào): LM2903VDG
廠商: ON Semiconductor
文件頁數(shù): 6/10頁
文件大?。?/td> 0K
描述: IC COMP DUAL OFFSET LV 8SOIC
標(biāo)準(zhǔn)包裝: 98
類型: 通用
元件數(shù): 2
輸出類型: CMOS,DTL,ECL,MOS,開路集電極,TTL
電壓 - 電源,單路/雙路(±): 2 V ~ 36 V,±1 V ~ 18 V
電流 - 靜態(tài)(最大值): 2.5mA
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
安裝類型: 表面貼裝
包裝: 管件
其它名稱: LM2903VDG-ND
LM2903VDGOS
LM393, LM293, LM2903, LM2903V, NCV2903, NCV2903V
http://onsemi.com
5
APPLICATIONS INFORMATION
These dual 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 pins.
Differential input voltages may be larger than supply
voltage without damaging the comparator’s inputs. Voltages
more negative than 0.3 V should not be used.
Figure 8. Zero Crossing Detector
(Single Supply)
Figure 9. Zero Crossing Detector
(Split Supply)
Figure 10. FreeRunning SquareWave Oscillator
Figure 11. Time Delay Generator
Figure 12. Comparator with Hysteresis
10
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
10 m
R5
220 k
R4
220 k
LM393
Vin(min) [ 0.4 V peak for 1% phase distortion (DQ).
*
Q
+VCC
10 k
Vin
-VEE
Vin
Vin(min)
VCC
VO
- VEE
DQ
Q
LM393
-
+
LM393
51 k
RL
10 k
VCC
VO
t
0
1.0 m
W
0.001
mF
-
+
LM393
VCC
VO
Vin
VO
+ Vref
Vref
0
VC
tO
t
``ON'' for t
tO + Dt
where:
Dt = RC n (
Vref
VCC
)
R
RL
VC
C
LM393
-
+
RS
VCC
RL
Vref
R1
R2
RS = R1 | | R2
Vth1 = Vref +
(VCC -Vref) R1
R1 + R2 + RL
Vth2 = Vref -
(Vref -VO Low) R1
R1 + R2
R1
t
-
+
LM393
)
*
)
相關(guān)PDF資料
PDF描述
VE-J3Z-MY-F2 CONVERTER MOD DC/DC 2V 20W
VE-J3Z-MX-F4 CONVERTER MOD DC/DC 2V 30W
VE-BNX-IV-S CONVERTER MOD DC/DC 5.2V 150W
LM339AM IC COMPARATOR QUAD 14-SOP
VE-J3Z-MX-F3 CONVERTER MOD DC/DC 2V 30W
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2903VDG 制造商:ON Semiconductor 功能描述:; Leaded Process Compatible:Yes; Peak Re
LM2903VDR2 功能描述:校驗(yàn)器 IC 2-36V Dual RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)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(bǔ)償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
LM2903VDR2G 功能描述:校驗(yàn)器 IC 2-36V Dual Extended Temp RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)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(bǔ)償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
LM2903VDR2G-CUT TAPE 制造商:ON 功能描述:LM Series 36 V 250 nA Surface Mount Low Offset Voltage Dual Comparator - SOIC-8
LM2903VN 功能描述:校驗(yàn)器 IC 2-36V Dual RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)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(bǔ)償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel