Date: 13/11/2009

Quad/Dual digital pulser ICs from Maxim for high-voltage apps

The MAX4940/MAX4940A ICs from Maxim can produce a pulse of high voltage, high frequency, unipolar or bipolar signals in high-voltage systems from low-voltage logic inputs. These quad/dual pulsers feature independent logic inputs, independent high-voltage pulser outputs with active clamps and independent high-voltage supply inputs. The MAX4940/MAX4940A are suitable for high-voltage applications such as portable ultrasound imaging, industrial flaw detection, cleaning equipment, piezoelectric drivers and test instruments.

The key features of these quad/dual pulsers ICs are,

High-density quad-channel pulser in one package
0 to +220V unipolar or ±110V bipolar outputs
8.5Ohm (typ) output impedance and 2.0A (typ) output current
27Ohm (typ) always-on active clamp with integrated blocking diodes
Integrated output diodes (MAX4940A only)
No special power-supply sequencing required for tri-level applications
Matched rise/fall times and matched propagation delays
CMOS-compatible logic inputs

Operating temperature range: 0°C to +70°C

Package: 56-Pin, 8mm x 8mm, TQFN package
Price: starts at $10.90 for 1k pieces
Availability: Now

For more details visit www.maxim-ic.com

Editorial Product Rating: Average