參數(shù)資料
型號(hào)： TC7107CPL
元件分類： ADC
英文描述： 1-CH DUAL-SLOPE ADC, PARALLEL ACCESS, PDIP40
封裝： 0.600 INCH, PLASTIC, DIP-40
文件頁(yè)數(shù)： 11/34頁(yè)
文件大?。?/td> 482K
代理商： TC7107CPL
2008 Microchip Technology Inc.
DS21455D-page 19
TC7106/A/TC7107/A
In addition to limiting maximum power dissipation, the
resistor reduces the change in power dissipation as the
display changes. This effect is caused by the fact that,
as fewer segments are “ON,” each “ON” output drops
more voltage and current. For the best case of six
segments (a “111” display) to worst-case (a “1888”
display), the resistor will change about 230 mW, while
a circuit without the resistor will change about 470 mW.
Therefore, the resistor will reduce the effect of display
dissipation on reference voltage drift by about 50%.
The change in LED brightness caused by the resistor is
almost unnoticeable as more segments turn off. If
display brightness remaining steady is very important
to the designer, a diode may be used instead of the
resistor.
FIGURE 9-4:
Diode or Resistor Limits
Package Power Dissipation.
TP2
TP5
100
k
Ω
TP1
24 k
Ω
1k
Ω
0.1
F
TP3
0.01
F
+
IN
–
0.22
F
Display
100 pF
+5V
1M
Ω
-5V
150
Ω
0.47
F
TC7107A
40
TP
4
30
21
20
10
1
47
k
Ω
1N4001
5.1
Ω 1/4W
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC7107CPL 制造商:Microchip Technology Inc 功能描述:Leaded Process Compatible:No
TC7107CPL 制造商:Microchip Technology Inc 功能描述:3.5 DIGIT ADC CMOS 7107 DIP40 制造商:Microchip Technology Inc 功能描述:3.5 DIGIT ADC, CMOS, 7107, DIP40 制造商:Microchip Technology Inc 功能描述:3.5 DIGIT ADC, CMOS, 7107, DIP40; Resolution (Bits):3.5bit; Supply Voltage Type:Single; Supply Voltage Max:5V; Supply Current:800A; Digital IC Case Style:DIP; No. of Pins:40; Input Channel Type:Differential; Data Interface:Parallel;;RoHS Compliant: Yes
TC7107IJL 功能描述:LED顯示驅(qū)動(dòng)器 3-1/2 Digit A/D w/ LED Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
TC7107IPL 功能描述:LED顯示驅(qū)動(dòng)器 w/LED Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
TC7107RCPL 功能描述:LED顯示驅(qū)動(dòng)器 w/LED Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
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