參數(shù)資料
型號: IL1815N
廠商: INTEGRAL JOINT STOCK COMPANY
英文描述: AMPLIFIER IC FOR SENSORS WITH DIFFERENT CONDUCTANCE
中文描述: 放大器IC與不同電導(dǎo)傳感器
文件頁數(shù): 5/8頁
文件大小: 195K
代理商: IL1815N
IL1815
5
pin 09) or processed input signal (from pin 03), having passed the controller of data
transmission delay, for transmission to output stage of IC logic block.
The amplifier is started by incoming positive threshold voltage that is generated during
effect of voltage peak on output 07. This peak appears when input signal comes into
output 03 of the circuit and its maximum value varies in time with input signal amplitude.
Thus, input hysteresis changes with amplitude of input signal. That allows electrical circuit
to perceive the signal where high-frequency noise is grater than amplitude of input signal
of lower frequency. Minimum amplitude of input signal V
I
= 75 mV.
Latching circuit of input voltage.
Voltage of input signal on output 03 is internally fixed.
Напряжение
входного
сигнала
на
выводе
03
внутренне
зафиксировано
. Remaining
limit of input signal on this output is ensured by external resistor R3 (see fig.1), which is to
be chosen to provide maximum current (amplitude value)
±
3 mA in normal operation
conditions.
T1
R2
2kOhm
R1
1kOhm
R3
1kOhm
Vp
T4
T2
T3
T5
T6
T7
Output 03
Input voltage latching circuit
.
Positive inputs of amplifiers (from output 03) are fixed in electrical circuit (see fig.2) by
connected in series resistor R3 and diode T4 connected to ground. Therefore for
changes of input signal exceeding 500 mV relative to ground level, input current will be
dropped on ground through output 02 of the device. On the other hand, active limits
of the above mentioned
latch
tie output 3 usually to 350 mV below ground level for
negative input signals (see R1, R2, T2, T3 in fig.2). Thus, for transmitting input signal more
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