PROGRAMMABLE MODEM Modems 22

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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	Nominal Negative Supply Voltage	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	Data Rate	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Seated Height	Width	Qualification	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
DAC8741HRGET	Texas Instruments	PROGRAMMABLE MODEM	MILITARY	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	125 Cel	-55 Cel	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)	QUAD	.03125 Mbps	S-PQCC-N24	2	1 mm	4 mm		DIMENSION CAPTURED BASED ON LINK HTTP://WWW.TI.COM/LIT/DS/SBAS856C/SBAS856C.PDF	e4	30	260	4 mm
MPL360BT-I/Y8X	Microchip Technology	PROGRAMMABLE MODEM	INDUSTRIAL	GULL WING	48	TFQFP	SQUARE	PLASTIC/EPOXY	YES	1				3.3 V		FLATPACK, THIN PROFILE, FINE PITCH	TQFP48,.35SQ		.5 mm	85 Cel	-40 Cel		QUAD		S-PQFP-G48		1.2 mm	7 mm						7 mm
DAC8741HRGER	Texas Instruments	PROGRAMMABLE MODEM	MILITARY	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	125 Cel	-55 Cel	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)	QUAD	.03125 Mbps	S-PQCC-N24	2	1 mm	4 mm			e4	30	260	4 mm
DAC8740HRGET	Texas Instruments	PROGRAMMABLE MODEM	MILITARY	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.15SQ,20		.5 mm	125 Cel	-55 Cel	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)	QUAD	.03125 Mbps	S-PQCC-N24	2	1 mm	4 mm		DIMENSION CAPTURED BASED ON LINK HTTP://WWW.TI.COM/LIT/DS/SBAS856C/SBAS856C.PDF	e4	NOT SPECIFIED	260	4 mm
MPL360B-I/SCB	Microchip Technology	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	48	HVQCCN	SQUARE	UNSPECIFIED	YES	1				3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC48,.25SQ,16		.4 mm	85 Cel	-40 Cel		QUAD		S-XQCC-N48		.9 mm	6 mm						6 mm
MPL360B-I/Y8X	Microchip Technology	PROGRAMMABLE MODEM	INDUSTRIAL	GULL WING	48	TFQFP	SQUARE	PLASTIC/EPOXY	YES	1				3.3 V		FLATPACK, THIN PROFILE, FINE PITCH	TQFP48,.35SQ		.5 mm	85 Cel	-40 Cel		QUAD		S-PQFP-G48		1.2 mm	7 mm						7 mm
DAC8740HRGER	Texas Instruments	PROGRAMMABLE MODEM	MILITARY	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.15SQ,20		.5 mm	125 Cel	-55 Cel	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)	QUAD	.03125 Mbps	S-PQCC-N24	2	1 mm	4 mm		DIMENSION CAPTURED BASED ON LINK HTTP://WWW.TI.COM/LIT/DS/SBAS856C/SBAS856C.PDF	e4	NOT SPECIFIED	260	4 mm
DAC8742HPBSR	Texas Instruments	PROGRAMMABLE MODEM	MILITARY	GULL WING	32	TFQFP	SQUARE	PLASTIC/EPOXY	YES	1						FLATPACK, THIN PROFILE, FINE PITCH	TQFP32,.28SQ		.5 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	QUAD	.03125 Mbps	S-PQFP-G32	3	1.2 mm	5 mm			e4	30	260	5 mm
DAC8742HPBS	Texas Instruments	PROGRAMMABLE MODEM	MILITARY	GULL WING	32	TFQFP	SQUARE	PLASTIC/EPOXY	YES	1						FLATPACK, THIN PROFILE, FINE PITCH	TQFP32,.28SQ		.5 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	QUAD	.03125 Mbps	S-PQFP-G32	3	1.2 mm	5 mm			e4	30	260	5 mm
MPL360BT-I/SCB	Microchip Technology	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	48	HVQCCN	SQUARE	UNSPECIFIED	YES	1				3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC48,.25SQ,16		.4 mm	85 Cel	-40 Cel		QUAD		S-XQCC-N48		.9 mm	6 mm						6 mm
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
NCN49599MNG	Onsemi	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	56	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			60 mA	3.3 V	3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC56,.31SQ,20	Modems	.5 mm	85 Cel	-40 Cel		QUAD		S-PQCC-N56		1 mm	8 mm	Not Qualified					8 mm
NCN49599MNRG	Onsemi	PROGRAMMABLE MODEM	INDUSTRIAL	NO LEAD	56	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			60 mA	3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC56,.31SQ,20		.5 mm	85 Cel	-40 Cel		QUAD		S-PQCC-N56		1 mm	8 mm				NOT SPECIFIED	NOT SPECIFIED	8 mm
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
TS7514CFN	STMicroelectronics	PROGRAMMABLE MODEM	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	-5 V	.03 mA	5 V	+-5	CHIP CARRIER	LDCC28,.5SQ	Modems	1.27 mm	70 Cel	0 Cel	TIN LEAD	QUAD	.0012 Mbps	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified		e0			11.5062 mm
TS7514CP	STMicroelectronics	PROGRAMMABLE MODEM	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	-5 V	.03 mA	5 V	+-5	IN-LINE	DIP24,.6	Modems	2.54 mm	70 Cel	0 Cel	MATTE TIN	DUAL	.0012 Mbps	R-PDIP-T24			15.24 mm	Not Qualified		e3
TS7514CFNTR	STMicroelectronics	PROGRAMMABLE MODEM	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	-5 V		5 V		CHIP CARRIER			1.27 mm	70 Cel	0 Cel		QUAD	.0012 Mbps	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified					11.5062 mm

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.