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Product Detailed Parameters
- Description：IC FILTER 200KHZ LINEAR 14CERDIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：-
- Filter Type：Linear Phase, Low Pass Switched Capacitor
- Frequency - Cutoff or Center：200kHz
- Number of Filters：1
- Filter Order：8th
- Voltage - Supply：±2.37V ~ 8V
- Mounting Type：Through Hole
- Package / Case：14-CDIP (0.300", 7.62mm)
- Supplier Device Package：14-CERDIP
- Grade：-
- Qualification：-
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Overview
The LTC1264-7MJ is an obsolete monolithic 8th-order lowpass filter featuring linear passband phase and flat group delay. It operates with a clock-to-cutoff frequency ratio of 25:1 or 50:1, achieving cutoff frequencies up to 200kHz. The device provides steep roll-off exceeding Bessel characteristics, reaching 28dB attenuation at twice the cutoff frequency. It exhibits 5% overshoot without ringing in transient response and maintains 65dB THD within a 100kHz passband. Designed for the -55°C to 125°C military temperature range, it utilizes a 14-lead ceramic DIP package.
Feature Summary
- Monolithic 8th-order architecture providing linear phase and flat group delay
- Clock-tunable operation allowing flexible cutoff frequency adjustment
- Steeper roll-off performance compared to equivalent Bessel filters
- Military-grade reliability with extended operating temperature range
Applications
- Data communication filtering
- Time delay networks
- Phase matched filter systems
Procurement Notes
Verify component obsolescence status before integration. Confirm availability through authorized distributors or surplus channels. Ensure supply chain stability for long-term production requirements. Validate datasheet revisions against current manufacturing specifications.
Selection Notes
Select based on required cutoff frequency and clock source compatibility. Evaluate power supply constraints for single or dual voltage operation. Consider thermal management for the specified temperature range. Verify pinout compatibility with existing PCB layouts.
Part Context
This component belongs to the LTC1264 family of linear phase active filters. It shares architectural similarities with the LTC1064 series but offers higher order filtering capabilities. The MJ suffix indicates a specific military-grade variant with extended temperature tolerance.
Replacement Considerations
Consult Analog Devices marketing for alternate sources. The N14 package is suggested as an alternative source option. No direct public substitute part numbers are confirmed.
