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CPC7232K Datasheet(PDF) 1 Page - Clare, Inc. |
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CPC7232K Datasheet(HTML) 1 Page - Clare, Inc. |
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1 / 13 page  DS-CPC7232 - R00E www.clare.com 1 Features • Processed with BCDMOS on SOI (Silicon on Insulator) • Flexible High Voltage Supplies up to V PP-VNN+200V • Output Bleed Resistors Built into the Device • DC to 10MHz Analog Signal Frequency • Surface Mount Package Available • Low Quiescent Power Dissipation (< 1 μA Typical) • Output Switch On-Resistance Typically 20 Ω • TTL I/Os for 3.3V Interface Applications • Ultrasound Imaging • Printers • Industrial Controls and Measurement Figure 1. Block Diagram Description The CPC7232 is a low charge injection 8-channel high-voltage analog switch integrated circuit (IC) for use in applications requiring high voltage switching. Bleeder resistors are incorporated into both terminals of each output switch. Control of the high voltage switching is via low voltage TTL logic level compatible inputs for direct connectivity to the system controller. Switch manipulation is managed by an 8-bit serial to parallel shift register whose outputs are buffered and stored by an 8-bit transparent latch. Level shifters buffer the latch outputs and operate the high voltage switches. Because the CPC7232 is capable of switching high load voltages and has a flexible load voltage range, e.g. VPP/VNN: +40V/160V or +100V/100V, it is well suited for many medical and industrial applications such as medical ultrasound imaging, printers, and industrial measurement equipment. The bleeder resistors enable the discharge of capacitive loads, such as piezoelectric transducers, connected to the output switches of the CPC7232. Construction of the high voltage switches using Clare's reliable BCDMOS process technology on SOI (Silicon On Insulator) allow the switches to be organized as solid state switches with direct gate drive. Ordering Information VNN VPP CL DIN CLK DOUT VDD 8 BIT SHIFT REGISTER LATCHES OUTPUT SWITCHES LE RGND SW0 CL D LE SW1 CL D LE SW2 CL D LE SW3 CL D LE SW4 CL D LE SW5 CL D LE SW6 CL D LE SW7 CL D LE LEVEL SHIFTERS Part Number Description CPC7232W 28-Lead PLCC in Tubes (37/Tube) CPC7232WTR 28-Lead PLCC Tape & Reel (500/Reel) CPC7232K 48-Lead LQFP in Trays (250/Tray) CPC7232KTR 48-Lead LQFP Tape & Reel (1000/Reel) RoHS 2002/95/EC e3 Pb CPC7232 8-Channel High Voltage Analog Switch with Built-in Bleeder Resistors |
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Similar Description - CPC7232K |
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