Part number:
AM79M574
Manufacturer:
Legerity
File Size:
331.02 KB
Description:
Metering subscriber line interface circuit.
Datasheet Details
Part number:
AM79M574
Manufacturer:
Legerity
File Size:
331.02 KB
Description:
Metering subscriber line interface circuit.
AM79M574, Metering Subscriber Line Interface Circuit
Am79M574 Subscriber Line Interface Circuit Valid Combinations Valid Combinations Am79M574 *1 *2 JC Valid Combinations list configurations planned to be supported in volume for this device.
Consult the local Legerity sales office to confirm availability of specific valid combinations
www.DataSheet4U.com Am79M574 Metering Subscriber Line Interface Circuit DISTINCTIVE CHARACTERISTICS Programmable constant-resistance feed Programmable loop-detect threshold Ground-key detect Performs polarity reversal Line-feed characteristics independent of battery variations Test relay driver optional Supports 2.2 Vrms metering (12 and 16 kHz) On-chip switching regulator for low-power dissipation Two-wire impedance set by single external impedance Tip Open state for
AM79M574 Features
* olarity
* 40°C to +85°C reverse polarity
* 2
* 2
* 2
* 2
* 2
* 2
* 1
* 63 58 54 58 54 54 40 42 25 18 dB Longitudinal signal generation 4-L Longitudinal current capability per wire 300 Hz to 800 Hz 300 Hz to 800 Hz Active state
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