Digital Timing Platform™

Programmable System-on-Chip (SoC)

Solutions in Biomedical, Instrumentation and Precision Control Applications

Highlights

• Leading SoC platform technology to address the need for off-the-shelf digital pulse generators.• EH2900™ is the only component on the market to provide automatic timing for biphasic and alternate pulses for electrical stimulation and other applications.• Family of synchronous counters optimized for custom designs.• Utilizes easy-to-use programmable interface for pulse generation.• Supports complex, programmable, digital pulse generator functions.• The flexible system-on-a-chip (SoC) design allows for unlimited, reconfigurable signal solutions.

EH2000™ Series

Digital Pulse Generators

2 timing pulses 1 square pulse 1 biphasic pulse
1 timing pulse 1 pulse train 2 square pulses 1 biphasic pulse
2 timing pulses 2 pulse trains 2 square pulses 1 biphasic pulse 1 alternate pulse

Key Features

• Synchronous operation• Precision timing• Reliable performance• High degree of flexibility and customization• Multiple outputs• Accelerated time-to-market

Potential Applications

• Biomedical Instrumentation• Electrical Stimulators• Drug Delivery Systems• Ultrasound Equipment• Timing and Delay Controllers• Automatic Test Equipment• Robotics• Semiconductor Manufacture Controllers• Process Controllers• Stepper Motor Controllers• Electromechanical Devices
Pulse Generator Option Matrix
Function
EH2300™
EH2500™
EH2900™
Internal/External Trigger
yes/yes
yes/yes
yes/yes
Programmable Outputs
yes
yes
yes
Pulse A
•
•
•
Delay A
•
•
•
Pulse Train A

•
•
Pulse A1¹
•
•
•
Pulse A2²


•
Pulse B
•

•
Delay B
•

•
Pulse Train B


•
Square Pulse 1³
•
•
•
Square Pulse 2⁴

•
•
¹ Pulse A delayed by its own width; can be used for generation of a biphasic pulse with an analog module² Pulse A delayed by half a period; can be used for generation of an alternate pulse with an analog module³ Same repetition rate as pulse A and pulse B⁴ Same repetition rate as pulse train A and pulse train B
Pulse Generator Timing Diagram

Technical Specifications

• Fully synchronous system• Two independently programmable pulses or pulse trains• Six decades programmable pulse width, delay and interval• Pulse trains with up to 999 pulses• Multiple programmable outputs @25mA
• Programmable frequencies 0.01Hz to 500kHz• Adjustable duty cycle: 0% to 100%• 2.5V, 3.3V, 5.0V voltage operation• Easy-to-use BCD parallel interface• Resolution: 1µs• Accuracy: 0.1%