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HV232 Datasheet(PDF) 1 Page - Microchip Technology |
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HV232 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 22 page  2024-2026 Microchip Technology Inc. and its subsidiaries DS20005820B-page 1 HV232 Features • 10 µA Maximum Quiescent Power Dissipation •22Ω Typical Output On-resistance • Integrated Bleed Resistors on the Outputs • Low Parasitic Capacitance • DC to 50 MHz Small Signal Frequency Response • -60 dB Typical Off-isolation at 5 MHz • CMOS Logic Circuitry for Low Power • Excellent Noise Immunity • On-chip Shift Register, Latch and Clear Logic Circuitry • Flexible High-voltage Supplies Applications • Medical Ultrasound Imaging • Piezoelectric Transducer Drivers General Description The HV232 is an 8-channel, low-charge-injection, high-voltage, analog switch integrated circuit (IC) with bleed resistors. This device can be used in applications requiring high-voltage switching controlled by low-voltage control signals, such as ultrasound imaging and printers. The bleed resistors eliminate voltage built up on capacitive loads, such as piezoelectric transducers. Input data is shifted into an 8-bit Shift register which can be retained in an 8-bit latch. To reduce any possible clock feed-through noise, latch enable (LE) should be left high until all bits are clocked in. This switch combines high-voltage bilateral DMOS switches and low-power CMOS logic to provide efficient control of high-voltage analog signals. The HV232 is suitable for various combinations of high -voltage supplies, e.g., VPP/VNN: +40V/-160V and +100V/-100V, and +160V/-40V. Package Types 1 48 See Table 2-1 and Table 2-2 for pin information. 48-lead LQFP (Top view) 1 28 4 26 28-lead PLCC (Top view) 8-Channel, Low-Charge-Injection, High-VoltageAnalog Switch with Bleed Resistors Obsolete Device |
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