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參數(shù)資料
| 型號： | TC1025CEPA |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR 1.8V DUAL 8DIP |
| 標準包裝： | 60 |
| 類型： | 通用 |
| 元件數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 電壓 - 電源，單路/雙路(±)： | 1.8 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 5mV @ 3V |
| 電流 - 輸入偏壓（最小值）： | 100pA @ 5.5V |
| 電流 - 輸出（標準）： | 2mA @ 5.5V |
| 電流 - 靜態(tài)（最大值）： | 12µA |
| CMRR, PSRR（標準）： | 66dB CMRR，60dB PSRR |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 安裝類型： | 通孔 |
| 包裝： | 管件 |
TC1025
DS21656C-page 6
2005 Microchip Technology Inc.
The frequency stability of this circuit should only be a
function of the external component tolerances.
Figure 4-5 shows the circuit for a pulse width modulator
circuit. It is essentially the same as in Figure 4-4, but
with the addition of an input control voltage. When the
input control voltage is equal to one-half VDD, operation
is basically the same as described for the free-running
oscillator. If the input control voltage is moved above or
below one-half VDD, the duty cycle of the output square
wave will be altered. This is because the addition of the
control voltage at the input has now altered the trip
points. The equations for these trip points are shown in
the input voltage variations can be increased by
reducing the value of R6 from 10k
Ω and conversely,
sensitivity will be reduced by increasing the value of
R6. The values of R1 and C1 can be varied to produce
the desired center frequency.
FIGURE 4-1:
COMPARATOR
EXTERNAL HYSTERESIS
CONFIGURATION
FIGURE 4-2:
32.768 kHz “TIME OF
DAY” CLOCK
OSCILLATOR
FIGURE 4-3:
NON-RETRIGGERABLE MULTIVIBRATOR
+
–
VR
VDD
VOUT
VSRC
RA
RB
RC
1/2
TC1025
+
VDD
VOUT
VDD
RB
150k
RA
150k
RC
1M
CA
100pF
32.768kHz
Vper = 30.52sec
1/2
TC1025
_
+
–
+
–
VDD
CMPTR1
CMPTR2
IN
OUT
R3
1M
R4
1M
R6
562k
R7
1M
R2
100k
R1
100k
R8
D2
D1
10M
R9
243k
R5
10M
C1
100pF
R10
61.9k
A
B
C
GND
t0
C
GND
VDD
GND
VDD
TC1025
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TC1025CEUA | 功能描述:校驗器 IC Dual Low-Pwr RoHS:否 制造商:STMicroelectronics 產品: 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 |
| TC1025CEUATR | 功能描述:校驗器 IC Dual Low-Pwr RoHS:否 制造商:STMicroelectronics 產品: 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 |
| TC1025COA | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:LINEAR BUILDING BLOCK - DUAL LOW POWER COMPARATOR |
| TC1025CPA | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:LINEAR BUILDING BLOCK - DUAL LOW POWER COMPARATOR |
| TC1025CUA | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:LINEAR BUILDING BLOCK - DUAL LOW POWER COMPARATOR |
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