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.




