ISPPAC81-01SI – Programmable Analog Circuits for Signal Processing

August 17, 2025
ISPPAC81-01SI

ISPPAC81-01SI is a member of the ispPAC® series of programmable analog circuits in a system (PAC) from Lattice Semiconductor. This innovative device integrates several basic analog modules, such as programmable amplifiers, filters, amplifier stages, and analog switches, into a single programmable integrated circuit.

By combining analog functions and digital programming, the ISPPAC81-01SI allows engineers to quickly prototype, customize, and improve analog signal processing without the need for hardware re-design, making it ideal for use in applications such as telecommunications, industrial automation, measuring and electronic equipment, and consumer electronics.

 

Technical Specifications – ISPPAC81-01SI

Manufacturer Lattice Semiconductor

Series ispPAC®

Device Type Programmable Analog Circuit

Basic Analog Unit 8 programmable analog units (PAC)

Typical functions Filter, amplifier, sampling device, comparator, temporary memory

Supply voltage +5 V analog operation

Programmability Programmable within the system (via JTAG)

Configuration memory EEPROM non-erasable

Temperature range industrial (–40 °C to +85 °C)

Package SOIC-16 or similar (SI package optional)

Reprogramming cycle >100 reprogramming cycles

To purchase this integrated circuit and other advanced programmable devices, visit DRex Electronics – Integrated Circuits.

 

Main features of ISPPAC81-01SI

  • In-system programmability (ISP) – configuration of analog functions via JTAG without removing the device from the circuit board.
  • Multiple analog conversion functions – supports programmable amplification, filtering, summing, and buffering.
  • EEPROM memory – retains configuration after power failure.
  • Reduction in the number of devices – replaces multiple discrete analog integrated circuits, saving board space and material costs.
  • Fast design – analog functions can be modified at a later stage of design or even after deployment.

 

ISPPAC81-01SI applications

The flexibility of the ISPPAC81-01SI allows it to be used in a wide range of applications:

  • Telecommunications – programmable filters, equalizers, and gain levels for line conditioning.
  • Industrial automation – processing signals from customizable sensors.
  • Test and measurement equipment – prototype design and calibration of analog front ends (AFEs).
  • Consumer electronics – customizable analog circuits in audio and video products.
  • Aerospace and defense – powerful and reconfigurable analog solutions suitable for applications requiring reconfigurability.

 

Why ISPPAC81-01SI?

  • Flexibility – replacement of multiple discrete analog components with a single programmable component.
  • Rapid prototyping – ability to quickly test and modify analog designs without reworking the PCB.
  • Long life – non-volatile EEPROM memory ensures reliable long-term use.
  • Reduced development costs – reduced circuit board complexity and shorter time to market.

 

Further information and resources

  • Overview of the ispPAC® series from Lattice Semiconductor – official documents and resources.
  • The difference between CPLD, FPGA and PAC – Learn about the differences between programmable analog devices and programmable digital logic.
  • DRex Electronics – Advanced Integrated Circuit Supplier – Your trusted partner for programmable analog and logic integrated circuits.

ISPPAC81-01SI explains how programmable analog circuits simplify development complexity, increase flexibility, and enable rapid customization, making them suitable for communications, industrial, and consumer electronics. In-system programmability, reusability, and non-volatile memory make it the ideal choice for engineers looking for efficient and reliable signal processing solutions.