AF122, AF121 DTMF Bandpass Filters

National Semiconductor

Description

.~,..LL ~National The AF121 and AF122 are 6th order elliptic bandpass filters designed for use with digital DTMF detectors.

📥 Download Datasheet

AF122 Datasheet Preview — This datasheet PDF includes multiple part numbers: AF122, AF121. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: AF122, AF121
Manufacturer: National Semiconductor
File Size: 128.64 KB
Datasheet: AF121-NationalSemiconductor.pdf
Description: DTMF Bandpass Filters
Note: This datasheet PDF includes multiple part numbers: AF122, AF121.
Please refer to the document for exact specifications by model.

Features

* Compatible with Rockwell CRC8030 and Mostek MK5102
* Gain o±0.5 dB
* Ripple 2 dB peak to peak
* Input Impedance 175 kn min
* Power Supply ±5V to ±18V Connection Diagram Dual-In-Line Package INPUT VTOP VIEW GND Unspecified pins are for interna

AF122 Distributors

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📌 All Tags

AF121 DTMF Bandpass Filters National Semiconductor

National Semiconductor AF122-like datasheet