QCCN Modems 15

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Part	Manufacturer	Telecom IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	Technology	Maximum Supply Current	Nominal Supply Voltage	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)
DS8500-JND+TR	Analog Devices	MODEM	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	PLASTIC/EPOXY	YES			.000285 mA		3/3.3	CHIP CARRIER	LCC20,.20SQ,25	Modems	.635 mm	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD	S-PQCC-N20	1	Not Qualified	e3
AD9971	Analog Devices	MODEM-SUPPORT CIRCUIT	OTHER	NO LEAD	40	QCCN	SQUARE	UNSPECIFIED	YES	1			1.8 V		CHIP CARRIER				85 Cel	-25 Cel		QUAD	S-XQCC-N40
AD9970	Analog Devices	MODEM-SUPPORT CIRCUIT	OTHER	NO LEAD	32	QCCN	SQUARE	UNSPECIFIED	YES	1			1.8 V		CHIP CARRIER				85 Cel	-25 Cel		QUAD	S-XQCC-N32
AD9867BCPZ	Analog Devices	MODEM	INDUSTRIAL		64	QCCN	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS		3.3 V		CHIP CARRIER				85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD		3		e3		260
AD9867BCPZRL	Analog Devices	MODEM	INDUSTRIAL		64	QCCN	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS		3.3 V		CHIP CARRIER				85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD		3		e3		260
73M2901CE-IM	Analog Devices	MODEM	INDUSTRIAL	NO LEAD	32	QCCN	SQUARE	PLASTIC/EPOXY	YES			15.5 mA		3/3.3	CHIP CARRIER	LCC32,.2SQ,20	Modems	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N32		Not Qualified
NCN49597MNG	Onsemi	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	52	QCCN	SQUARE	PLASTIC/EPOXY	YES			.06 mA	3.3 V	3.3	CHIP CARRIER	LCC52,.31SQ,20	Modems	.5 mm	115 Cel	-40 Cel		QUAD	S-PQCC-N52		Not Qualified		NOT SPECIFIED	NOT SPECIFIED
NCN49597C5972MNRG	Onsemi	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	52	QCCN	SQUARE	PLASTIC/EPOXY	YES				3.3 V	3.3	CHIP CARRIER	LCC52,.31SQ,20	Modems	.5 mm	115 Cel	-40 Cel		QUAD	S-PQCC-N52		Not Qualified
NCN49597C5972RG	Onsemi	PROGRAMMABLE MODEM	COMMERCIAL EXTENDED	NO LEAD	52	QCCN	SQUARE	PLASTIC/EPOXY	YES			.08 mA	3.3 V	3.3	CHIP CARRIER	LCC52,.31SQ,20	Modems	.5 mm	80 Cel	-25 Cel		QUAD	S-PQCC-N52		Not Qualified		NOT SPECIFIED	NOT SPECIFIED
NCN49597MNRG	Onsemi	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	52	QCCN	SQUARE	PLASTIC/EPOXY	YES			.06 mA	3.3 V	3.3	CHIP CARRIER	LCC52,.31SQ,20	Modems	.5 mm	115 Cel	-40 Cel		QUAD	S-PQCC-N52		Not Qualified
NCN49599MNTWG	Onsemi	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	56	QCCN	SQUARE	PLASTIC/EPOXY	YES			.06 mA	3.3 V	3.3	CHIP CARRIER	LCC56,.31SQ,20	Modems	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N56		Not Qualified
NCN49597C5972G	Onsemi	PROGRAMMABLE MODEM	COMMERCIAL EXTENDED	NO LEAD	52	QCCN	SQUARE	PLASTIC/EPOXY	YES			.08 mA	3.3 V	3.3	CHIP CARRIER	LCC52,.31SQ,20	Modems	.5 mm	80 Cel	-25 Cel		QUAD	S-PQCC-N52		Not Qualified		NOT SPECIFIED	NOT SPECIFIED
NCN49597C5972MNG	Onsemi	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	52	QCCN	SQUARE	PLASTIC/EPOXY	YES				3.3 V	3.3	CHIP CARRIER	LCC52,.31SQ,20	Modems	.5 mm	115 Cel	-40 Cel		QUAD	S-PQCC-N52		Not Qualified
73M2901CE-IM/F	Maxim Integrated	MODEM	INDUSTRIAL	NO LEAD	32	QCCN	SQUARE	PLASTIC/EPOXY	YES			15.5 mA		3/3.3	CHIP CARRIER	LCC32,.2SQ,20	Modems	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N32	3	Not Qualified		30	260
73M2901CE-IMR/F	Maxim Integrated	MODEM	INDUSTRIAL	NO LEAD	32	QCCN	SQUARE	PLASTIC/EPOXY	YES			15.5 mA		3/3.3	CHIP CARRIER	LCC32,.2SQ,20	Modems	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N32	3	Not Qualified		30	260

Modems

A modem, short for modulator-demodulator, is a device used to convert digital signals into analog signals for transmission over telephone lines or other analog communication channels. Modems can also receive and decode analog signals and convert them back into digital signals. They are used to provide internet connectivity, transmit data over long distances, and connect to remote devices.

Modems use a technique called modulation to convert digital signals into analog signals that can be transmitted over an analog communication channel. This involves changing the amplitude, frequency, or phase of the signal in response to the digital data being transmitted. At the receiving end, the modem uses a technique called demodulation to convert the analog signal back into a digital signal that can be processed by the receiving device.

Modems also use various modulation and demodulation techniques to ensure reliable and efficient transmission of data. These techniques include phase-shift keying (PSK), quadrature amplitude modulation (QAM), and frequency-shift keying (FSK), among others. The choice of modulation technique depends on the specific application and the characteristics of the communication channel being used.

There are several types of modems, including dial-up modems, cable modems, DSL modems, and wireless modems. Dial-up modems are the oldest type of modem and use the telephone network to transmit data at relatively slow speeds. Cable modems and DSL modems are used to provide high-speed internet connectivity over cable and phone lines, respectively. Wireless modems, also known as cellular modems, use wireless communication protocols to provide internet connectivity over cellular networks.

Modems are an essential technology for modern communication systems, enabling the transmission of data over a variety of communication channels and protocols. As the technology continues to evolve, we can expect to see even more advanced and innovative modems in the future.