RC4152M

更新时间： 2024-01-19 12:37:50

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		转换器光电二极管
页数	文件大小	规格书
12页	78K
描述
Voltage-to-Frequency Converters

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技术参数
数据手册

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RC4152M 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	风险等级：	5.88
转换器类型：	VOLTAGE TO FREQUENCY CONVERTER	JESD-30 代码：	O-MBCY-W8
JESD-609代码：	e0	端子数量：	8
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	METAL	封装等效代码：	CAN8,.2
封装形状：	ROUND	封装形式：	CYLINDRICAL
电源：	15 V	认证状态：	Not Qualified
子类别：	Analog Special Function Converters	最大压摆率：	6 mA
标称供电电压：	15 V	温度等级：	COMMERCIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	WIRE
端子位置：	BOTTOM	Base Number Matches：	1

RC4152M 数据手册

PRODUCT SPECIFICATION

RC4152

The input waveform must have fast slewing edges, and the

differentiated input signal must be less than the timing

period of the one-shot, 1.1 R_OC_O. A differentiator and

divider are used to shape and bias the trigger input; a nega-

tive going pulse at pin 6 will cause the comparator to ﬁre the

one-shot. The input pulse amplitude must be large enough to

trip the comparator, but not so large as to exceed the ICs

input voltage ratings.

Precision FVC

Linearity, offset and response time can be improved by

adding one or more op amps to form an active lowpass ﬁlter

at the output. A circuit using a single pole active integrator is

shown in Figure 5.

The positive output current pulses are averaged by the invert-

ing integrator, causing the output voltage to be negative.

Response time can be further improved by adding a double

pole ﬁlter to replace the single pole ﬁlter. Refer to the graphs

under Typical Performance Characteristics that show

nonlinearity error versus input frequency for the

precision FVC circuit.

The output voltage is directly proportional to the input

frequency:

1.1R_OC R_BV_REF

---------------------^O-----------------------

F_IN(Hz)

V_OUT

R_S

Output ripple can be minimized by increasing CB, but this

will limit the response time. Recommended values for

various operating ranges are shown in the following table.

Input

Operating

Rage

0 to 1.0 kHz 0.02 mF 6.8 kW 0.1 mF

0 to 10 kHz 0.002 mF 6.8 kW 0.01 mF 100 kW 10 mF 1.0 mV

Ripple

100 kW 100 mF 1.0 mV

0 to 100 kHz 200 pF

6.8 kW 0.001 mF 100 kW 1.0 mF 1.0 mV

+15V

R_O

6.8 kW

C_O

10 k W

0.01 mF

10 k

C_IN

0.022

V_IN

V_TH

+V_S

C_O

Gnd

4152

VFC

I_OUT

F_IN

F_OUT

R_S

Frequency

Input

5 kW

F_IN

10kHz

10 k

R_S= 16.7K

V_OUT

+15V

R_B

C_B

100K

4152-07

Figure 4. Single Supply FVC

1...5 6 789 10 11 12

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