參數(shù)資料
型號(hào): MC3302DTBR2G
廠商: ON Semiconductor
文件頁(yè)數(shù): 8/11頁(yè)
文件大?。?/td> 0K
描述: IC OPAMP QUAD SINGLE 14-TSSOP
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: 通用
元件數(shù): 4
輸出類(lèi)型: CMOS,開(kāi)路集電極,TTL
電壓 - 電源,單路/雙路(±): 3 V ~ 30 V,±1.5 V ~ 15 V
電壓 - 輸入偏移(最小值): 20mV @ 5V
電流 - 輸入偏壓(最小值): 0.5µA @ 5V
電流 - 輸出(標(biāo)準(zhǔn)): 16mA @ 5V
電流 - 靜態(tài)(最大值): 2.5mA
工作溫度: -40°C ~ 85°C
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
安裝類(lèi)型: 表面貼裝
包裝: 剪切帶 (CT)
其它名稱(chēng): MC3302DTBR2GOSCT
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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