Supertex inc. HV2761 Low Charge Injection, 24-Channel, High Voltage Analog Switch with Bleed Resistors Features General Description 24-channel high voltage analog switch The Supertex HV2761 is a low charge injection, 24-channel, Integrated bleed resistors on the outputs high voltage analog switch integrated circuit (IC) intended for 3.3 or 5.0V CMOS input logic level use in applications requiring high voltage switching controlled by 3:1 MUX-deMUX with 8 states low voltage control signals, such as medical ultrasound imaging, 20MHz data shift clock frequency piezoelectric transducer drivers, and printers. The bleed resistors HVCMOS technology for high performance eliminate voltage built up on capacitive loads such as piezoelectric Very low quiescent power dissipation,10A transducers. Low parasitic capacitance DC to 50MHz analog signal frequency Input data is shifted into a 24-bit shift register that can then be -60dB typical OFF-isolation at 5.0MHz retained in a 24-bit latch. To reduce any possible clock feed through CMOS logic circuitry for low power noise, the latch enable (LE) should be left high until all bits are Excellent noise immunity clocked in. Data are clocked in during the rising edge of the clock. Cascadable serial data register with latches Flexible operating supply voltages Using HVCMOS technology, this device combines high voltage bilateral DMOS switches and low power CMOS logic to provide Applications efficient control of high voltage analog signals. Medical ultrasound imaging Piezoelectric transducer drivers The device is suitable for various combinations of high voltage Inkjet printer heads supplies, e.g., V /V : +40V/-160V, +100V/-100V, and +160V/-40V. PP NN Optical MEMS modules Block Diagram Level Output Latches Shifters Switches D SW0 LE CLR D SW1 LE Y0 CLR D SW2 LE CLR D SW3 LE CLR CLK D SW4 24-Bit LE Y1 Shift CLR DIN Register D SW5 LE DOUT CLR D SW21 LE CLR D SW22 LE Y7 CLR D SW23 LE CLR VDD GND LECLR VNNVPP RGND Doc. DSFP-HV2761 Supertex inc. NR010913 www.supertex.comHV2761 Ordering Information Pin Configuration Part Number Package Packing 48 1 HV2761FG-G 48-Lead LQFP 250/Tray HV2761FG-G M931 48-Lead LQFP 1000/Reel -G indicates package is RoHS compliant (Green) 48-Lead LQFP Absolute Maximum Ratings (top view) Parameter Value Product Marking V logic supply -0.5V to +6.5V DD Top Marking V - V differential supply 220V PP NN YYWW YY = Year Sealed HV2761FG V positive supply -0.5V to V + 200V PP NN WW = Week Sealed LLLLLLLLL L = Lot Number V negative supply +0.5V to - 200V NN C = Country of Origin* Bottom Marking Logic input voltage -0.5V to V + 0.3V DD A = Assembler ID* CCCCCCCC = Green Packaging Analog signal range V to V NN PP AAA *May be part of top marking Peak analog signal current/channel 3.0A Package may or may not include the following marks: Si or Storage temperature -65C to 150C 48-Lead LQFP Power dissipation 1.0W Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. Continuous Typical Thermal Resistance operation of the device at the absolute rating level may affect device reliability. All Package voltages are referenced to device ground. ja O 48-Lead LQFP 52 C/W Recommended Operating Conditions Sym Parameter Value V Logic power supply voltage 3.0V to 5.5V DD V Positive high voltage supply +40V to V + 200V PP NN V Negative high voltage supply -40V to - 160V NN V High level input voltage 0.9V to V IH DD DD V Low level input voltage 0V to 0.1V IL DD V Analog signal voltage peak-to-peak V +10V to V - 10V SIG NN PP O O T Operating free air temperature 0 C to 70 C A Notes: 1. Power up/down sequence is arbitrary except GND must be powered-up first and powered-down last. 2. V must be V V V or floating during power up/down transition. SIG NN SIG PP 3. Rise and fall times of power supplies V , V , and V should not be less than 1.0msec. DD PP NN Doc. DSFP-HV2761 Supertex inc. 2 NR010913 www.supertex.com