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This section presents several sample HA applications. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail- safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product.

Input Bias Current vs. Hitachi Semiconductor America Inc. Datasheet the common-mode input voltage range starts at the ground potential, the HA is particularly suited for single-voltage power supply applications.

Figure 1 Square-Wave Oscillator. Figure 2 Operating Waveforms.


Figure 3 Pulse Generator. In this circuit, the noninverting input will essentially beheld at the potential determined by dividing V.


A70mV 1mA. Extremely low current drain: D Feldkirchen, Munich Germany Tel: Figure 11 Zero-Cross Detector. The HA and HA series products are comparators designed for use in power or control systems. Figure 4 Operating Waveforms. Wide power-supply voltage range: If the output Vout1 is at. The circuit shown in figure one has the same structure as a single-voltage power supply astable multivibrator.

Hitachi Asia Hong Kong Ltd. The charge and discharge circuits in the circuit from figure 1 are separated by diodes in this circuit.

This product is not designed to be radiation resistant. Figure 4 shows the waveforms generated by this circuit. The A1 output will integrate this state and its output will increase towards the high level. Then, when the A. In the circuit in figure 5, comparator A.

Output Voltage Vout V. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Tokyo 03 Fax: Figure 9 Inverting Comparator. Electrical Characteristics 1 V. Electrical Characteristics 2 V. FPDA — Conforms 0. Hitachi makes every attempt to ensure that its products are of high quality and reliability.

Figure 7 Noninverting Comparator. These IC operate from a single power-supply voltage over a wide range of voltages, and feature a reduced power-supply current since the power-supply voltage is determined independently. Figure 6 Basic Comparator. Output voltages compatible with CMOS logic systems.


Quadruple Comparators

Inverting Comparator with Hysteresis. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly.

Figure 8 shows the input characteristics. Copyright ‘ Hitachi, Ltd. Figure 5 Voltage Controlled Oscillator. Input offset voltage V.

Low input offset current: This allows the pulse width and the duty cycle to be set independently. When the input voltage V.

Output Sink Current vs. With the circuit constants shown in figure 7. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent.

Search field Part name Part description. Low input offset voltage: The common-mode input voltage range includes ground. These products can be destroyed if the output and V. For further information dataaheet to: