LQFP Modems 30

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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	Fax Rate	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
A5191HRTLG-XTD	Onsemi	MODEM	INDUSTRIAL	GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	.0006 mA	3.3 V	3.3/5	FLATPACK, LOW PROFILE	QFP32,.35SQ,32	Modems	.8 mm	85 Cel		-40 Cel	MATTE TIN	QUAD	.0012 Mbps	S-PQFP-G32	3	1.6 mm	7 mm	Not Qualified		e3	30	260	7 mm
A5191HRTLG-XTP	Onsemi	MODEM	INDUSTRIAL	GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	.0006 mA	3.3 V	3.3/5	FLATPACK, LOW PROFILE	QFP32,.35SQ,32	Modems	.8 mm	85 Cel		-40 Cel	MATTE TIN	QUAD	.0012 Mbps	S-PQFP-G32	3	1.6 mm	7 mm	Not Qualified		e3	30	260	7 mm
ST7538Q	STMicroelectronics	MODEM	INDUSTRIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	BCDMOS		5 V	5,9	FLATPACK, LOW PROFILE	QFP44,.47SQ,32	Modems	.8 mm	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	QUAD	.0048 Mbps	S-PQFP-G44	3	1.6 mm	10 mm	Not Qualified		e4	30	260	10 mm
ST7538QTR	STMicroelectronics	MODEM	INDUSTRIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	BCDMOS		5 V	5,9	FLATPACK, LOW PROFILE	QFP44,.47SQ,32	Modems	.8 mm	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	QUAD	.0048 Mbps	S-PQFP-G44	3	1.6 mm	10 mm	Not Qualified		e4	30	260	10 mm
MAX79356ECM+	Analog Devices	MODEM	INDUSTRIAL	GULL WING	48	LQFP	SQUARE	PLASTIC/EPOXY	YES	1			3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel	Matte Tin (Sn) - annealed	QUAD	.2304 Mbps	S-PQFP-G48	1	1.6 mm	7 mm			e3	30	260	7 mm
20437-11	Synaptics	MODEM-DATA/FAX/VOICE		GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1		2 mA	3.3 V		FLATPACK, LOW PROFILE	QFP32,.35SQ,32		.8 mm	70 Cel	14.4 kbps	0 Cel		QUAD	.056 Mbps	S-PQFP-G32		1.6 mm	7 mm						7 mm
AD28MSP01KST	Analog Devices	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1		20 mA	5 V	5	FLATPACK, LOW PROFILE	TQFP44,.47SQ,32	Modems	1 mm	70 Cel		0 Cel	TIN LEAD	QUAD		S-PQFP-G44		1.6 mm	14 mm	Not Qualified		e0			14 mm
73M2901-IGT/5	Analog Devices	MODEM	INDUSTRIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1			5 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel		QUAD	.0024 Mbps	S-PQFP-G44		1.6 mm	10 mm	Not Qualified					10 mm
73M2901CL-IGT	Analog Devices	MODEM	INDUSTRIAL	GULL WING	40	LQFP	SQUARE	PLASTIC/EPOXY	YES	1			3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel		QUAD	.0024 Mbps	S-PQFP-G40		1.6 mm	10 mm	Not Qualified					10 mm
12197-507-XTP	Onsemi	MODEM	INDUSTRIAL	GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel		QUAD	.0012 Mbps	S-PQFP-G32		1.6 mm	7 mm	Not Qualified		e3/e4	40	260	7 mm
12197-503	Onsemi	MODEM	INDUSTRIAL	GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel		QUAD	.0012 Mbps	S-PQFP-G32		1.6 mm	7 mm	Not Qualified					7 mm
12197-507-XTD	Onsemi	MODEM	INDUSTRIAL	GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel		QUAD	.0012 Mbps	S-PQFP-G32		1.6 mm	7 mm	Not Qualified					7 mm
12197-503-XTP	Onsemi	MODEM	INDUSTRIAL	GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel	TIN LEAD	QUAD	.0012 Mbps	S-PQFP-G32		1.6 mm	7 mm	Not Qualified		e0			7 mm
A5191HRTL	Onsemi	MODEM	INDUSTRIAL	GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel	TIN LEAD	QUAD	.0012 Mbps	S-PQFP-G32		1.6 mm	7 mm	Not Qualified		e0			7 mm
A5191HRTLG	Onsemi	MODEM	INDUSTRIAL	GULL WING	32	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel	TIN	QUAD	.0012 Mbps	S-PQFP-G32	3	1.6 mm	7 mm	Not Qualified		e3			7 mm
ST75C502CQFP	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		5 V	5	FLATPACK, LOW PROFILE	QFP80,.63SQ,32	Modems	.65 mm	70 Cel	14.4 kbps	0 Cel	TIN LEAD	QUAD		S-PQFP-G80		1.6 mm	14 mm	Not Qualified	FAX RATE MIN:2.4KBPS	e0			14 mm
ST7543CQFP	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	37 mA	5 V	5	FLATPACK, LOW PROFILE	QFP44,.63SQ,40	Modems	1 mm	70 Cel		0 Cel	TIN LEAD	QUAD	.0192 Mbps	S-PQFP-G44		1.6 mm	14 mm	Not Qualified		e0			14 mm
STLC7545TQFP4YTR	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1			5 V		FLATPACK, LOW PROFILE			.8 mm	70 Cel		0 Cel		QUAD	.0384 Mbps	S-PQFP-G44		1.6 mm	10 mm	Not Qualified					10 mm
ST75C501CQFP	STMicroelectronics	MODEM		GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	1					FLATPACK, LOW PROFILE			.65 mm		14.4 kbps			QUAD		S-PQFP-G80		1.6 mm	14 mm	Not Qualified	FAX RATE MIN:2.4KBPS				14 mm
ST7544CQFP	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	37 mA	5 V	5	FLATPACK, LOW PROFILE	QFP44,.63SQ,40	Modems	1 mm	70 Cel		0 Cel	TIN LEAD	QUAD	.0288 Mbps	S-PQFP-G44		1.6 mm	14 mm	Not Qualified		e0			14 mm
ST75C530FP-A	STMicroelectronics	MODEM-DATA/FAX/VOICE	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	1		.15 mA	5 V	5	FLATPACK, LOW PROFILE	QFP80,.64SQ	Modems	.65 mm	70 Cel	14.4 kbps	0 Cel	NICKEL PALLADIUM GOLD	QUAD	.0144 Mbps	S-PQFP-G80		1.6 mm	14 mm	Not Qualified		e4			14 mm
ST75C540FP-A	STMicroelectronics	MODEM-DATA/FAX/VOICE	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	1		.165 mA	5 V	5	FLATPACK, LOW PROFILE	QFP80,.64SQ	Modems	.65 mm	70 Cel	14.4 kbps	0 Cel	NICKEL PALLADIUM GOLD	QUAD	.0144 Mbps	S-PQFP-G80		1.6 mm	14 mm	Not Qualified		e4			14 mm
STLC7546TQFP4Y	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		5 V	3.3/5,5	FLATPACK, LOW PROFILE	QFP44,.47SQ,32	Modems	.8 mm	70 Cel		0 Cel	TIN LEAD	QUAD		S-PQFP-G44		1.6 mm	10 mm	Not Qualified		e0			10 mm
STLC7545TQFP4Y	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		5 V	3.3/5,5	FLATPACK, LOW PROFILE	QFP44,.47SQ,32	Modems	.8 mm	70 Cel		0 Cel	NICKEL PALLADIUM GOLD	QUAD	.0384 Mbps	S-PQFP-G44		1.6 mm	10 mm	Not Qualified		e4			10 mm
STLC7550TQFP	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		3 V	3	FLATPACK, LOW PROFILE	QFP44,.47SQ,32	Modems	.8 mm	70 Cel		0 Cel	TIN LEAD	QUAD	.056 Mbps	S-PQFP-G44		1.6 mm	10 mm	Not Qualified		e0			10 mm
ST75C540TQFP	STMicroelectronics	MODEM-DATA/FAX	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	1		.165 mA	5 V	5	FLATPACK, LOW PROFILE	QFP80,.64SQ	Modems	.65 mm	70 Cel	14.4 kbps	0 Cel	TIN LEAD	QUAD	.0144 Mbps	S-PQFP-G80		1.6 mm	14 mm	Not Qualified		e0			14 mm
STLC7550	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		3 V	3	FLATPACK, LOW PROFILE	QFP44,.47SQ,32	Modems	.8 mm	70 Cel		0 Cel	TIN LEAD	QUAD	.056 Mbps	S-PQFP-G44		1.6 mm	10 mm	Not Qualified		e0			10 mm
ST7538P	STMicroelectronics	MODEM	INDUSTRIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	1	BCDMOS		5 V	5,9	FLATPACK, LOW PROFILE	QFP44,.47SQ,32	Modems	.8 mm	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	QUAD	.0048 Mbps	S-PQFP-G44		1.6 mm	10 mm	Not Qualified	HALF DUPLEX	e4			10 mm
ST75C530TQFP	STMicroelectronics	MODEM-DATA/FAX	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	1		.15 mA	5 V	5	FLATPACK, LOW PROFILE	QFP80,.64SQ	Modems	.65 mm	70 Cel	14.4 kbps	0 Cel	TIN LEAD	QUAD	.0144 Mbps	S-PQFP-G80		1.6 mm	14 mm	Not Qualified		e0			14 mm
73M2901CL-IGT/F	Maxim Integrated	MODEM	INDUSTRIAL	GULL WING	40	LQFP	SQUARE	PLASTIC/EPOXY	YES	1			3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel		-40 Cel		QUAD	.0024 Mbps	S-PQFP-G40		1.6 mm	10 mm	Not Qualified					10 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.