FX631 - Low-Voltage SPM Detector

CML

General Description

The FX631 is a low-power, system-selectable Subscriber Pulse Metering (SPM) detector to indicate the presence, on a telephone line, of both 12kHz and 16kHz telephone call-charge frequencies.

Key Features

Detects 12kHz and 16kHz SPM Frequencies Low Power (3.0 VoltMIN.

📥 Download Datasheet

FX631 low-voltage spm detector by CML - Datasheet Preview

Datasheet Details

Part number	FX631
Manufacturer	CML
File Size	148.87 KB
Description	Low-Voltage SPM Detector
Datasheet	FX631 Datasheet

📁 Similar Datasheet

Part Number	Description	Manufacturer
FX601	Ultrahigh-Speed Switching Applications	Sanyo Semicon Device
FX602	Ultrahigh-Speed Switching Applications	Sanyo Semicon Device
FX603	Ultrahigh-Speed Switching Applications	Sanyo Semicon Device
FX604	Ultrahigh-Speed Switching Applications	Sanyo Semicon Device
FX604	V23 Compatible Modem	CML Semiconductor

Other Datasheets by CML

Part Number	Description
FX633	Call Progress Tone Detector
FX611	Subscriber Private Meeting (spm) Detector
FX614	Bell 202 Compatible Modem

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text

CML Semiconductor Products PRODUCT INFORMATION FX631 Low-Voltage SPM Detector Features Detects 12kHz and 16kHz SPM Frequencies Low Power (3.0 VoltMIN <1.0mA) Operation High Speechband Rejection Properties Publication D/631/8 July 1998 Tone-Follower and Packet Mode Outputs Applications Complex and/or Simple Telephone Systems Call-Charge/-Logging Systems XTAL/CLOCK XTAL/CLOCK OSCILLATOR XTAL CLOCK OUT CLOCK IN SYSTEM CLOCK DIVIDERS VSS VDD SYSTEM (12kHz/16kHz) SIGNAL IN (-) SIGNAL IN (+) AMP OUT INPUT AMP - + 12kHz/16kHz +20dB VBIAS TONE FOLLOWER OUTPUT TONE FOLLOWER LOGIC LEVEL DETECTOR 32 1 DIVIDER PERIOD MEASURE SYSTEM PACKET TONE LOGIC PACKET MODE OUTPUT FX631 Fig.