PAC80

ispPAC 80 TM In-System Programmable Analog Circuit Features IN-SYSTEM PROGRAMMABLE (ISP™) ANALOG — Instrument Amplifier Gain Stage — Precision Active Filtering (50kHz to 500kHz) — Continuous-Time Fifth Order Low Pass Topology — Dual, A/B Configuration Memory — Non-Volatile E2CMOS Cells — IEEE 1149.1 JTAG Serial Port Programming UNIQUE FLEXIBILITY AND PERFORMANCE — Programmable Gain Range (0dB to 20dB) — Implements Multiple Filter Types: Elliptical, Chebyshev, Bessel, Butterworth, Linear Phase, Gaussian and Legendre — Low Distortion (THD < -74dB max @ 100kHz) — Auto-Calibrated Input Offset Voltage TRUE DIFFERENTIAL I/O — High CMR (58dB) Instrument Amplifier Input — 2.5V Common Mode Reference on Chip — Rail-to-Rail Voltage Outputs SINGLE SUPPLY 5V OPERATION — Power Dissipation of 165mW — 16-Pin Plastic SOIC, PDIP Packages APPLICATIONS INCLUDE INTEGRATED — Single +5V Supply Signal Conditioning — Programmable Filters With Fully Differential I/O — Analog Front Ends, 12-Bit Data Acq. Systems — DSP System Front End Signal Conditioning — High-Performance Reconstruction Filters Functional Block Diagram TMS TCK TDI TDO CS CAL ENSPI GND 1 2 IA OA 16 VS 15 TEST 14 OUT+ 5th Order LPF E2CMOS Cfg A Ref & Auto-Cal E2CMOS Cfg B ISP Control 3 4 5 6 7 8 13 OUT– 12 TEST 11 IN+ 10 IN– 9 VREFOUT ispPAC80 Description The ispPAC80 is a member of the Lattice family of In-System Programmable analog circuits, digitally configured via nonvolatile E2CMOS® technology. Analog building bl...