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参数资料
| 型号： | TC9400CPD |
| 元件分类： | 模拟专用变换器 |
| 英文描述： | VOLTAGE-FREQUENCY CONVERTER, 0.1 MHz, PDIP14 |
| 封装： | PLASTIC, DIP-14 |
| 文件页数： | 9/28页 |
| 文件大小： | 545K |
| 代理商： | TC9400CPD |
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2007 Microchip Technology Inc.
DS21483D-page 17
TC9400/9401/9402
7.0
F/V POWER-ON RESET
In F/V mode, the TC9400 output voltage will occasion-
ally be at its maximum value when power is first
applied. This condition remains until the first pulse is
applied to FIN. In most frequency measurement
applications, this is not a problem because proper
operation begins as soon as the frequency input is
applied.
In some cases, however, the TC9400 output must be
zero at power-on without a frequency input. In such
cases, a capacitor connected from Pin 11 to VDD will
usually be sufficient to pulse the TC9400 and provide a
Power-on Reset (see Figure 7-1 (a) and (b)). Where
predictable power-on operation is critical, a more
complicated circuit, such as Figure 7-1 (b), may be
required.
FIGURE 7-1:
Power-On Operation/Reset.
VDD
14
11
1000 pF
Threshold
Detector
1k
Ω
FIN
VDD
100 k
Ω
1F
3
4
8
6
FIN
1
2
5
16
VCC
B
R
C
Q
VSS
A
CLRA
CD4538
TC9400
(a)
(b)
To TC9400
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC9400CPD | 制造商:Microchip Technology Inc 功能描述:IC F/V-V/F CONVERTER 9400 DIP14 |
| TC9400CPD | 制造商:Microchip Technology Inc 功能描述:IC F/V-V/F CONVERTER 9400 DIP14 |
| TC9400EJD | 功能描述:电压频率转换及频率电压转换 V/F Converter RoHS:否 制造商:Texas Instruments 全标度频率:4000 KHz 线性误差:+/- 1 % FSR 电源电压-最大: 电源电压-最小: 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格:Through Hole 封装 / 箱体:PDIP-14 封装:Tube |
| TC9400F | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:SIGMA-DELTA MODULATION SYSTEM DA CONVERTER WITH A BUILT-IN 8-TIMES OVER SAMPLING DIGITAL FILTER / DIGITALATTENUATOR |
| TC9400N | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:SIGMA-DELTA MODULATION SYSTEM DA CONVERTER WITH A BUILT-IN 8-TIMES OVER SAMPLING DIGITAL FILTER / DIGITALATTENUATOR |
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