40 Cellphone ICs 49

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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)	Maximum Seated Height	Width	Qualification	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
HMC832LP6GETR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm		e3			6 mm
HMC830LP6GETR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm		e3		260	6 mm
HMC832LP6GE	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm		e3		260	6 mm
HMC832ALP6GETR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	TIN	QUAD	S-XQCC-N40	1	.9 mm	6 mm		e3	30	260	6 mm
HMC830LP6GE	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm	Not Qualified	e3		260	6 mm
HMC832ALP6GE	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	TIN	QUAD	S-XQCC-N40	1	.9 mm	6 mm		e3	30	260	6 mm
HMC702LP6CE	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1	BICMOS		3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm	Not Qualified	e3			6 mm
ADRF6701ACPZ-R7	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	QCCN	SQUARE	PLASTIC/EPOXY	YES		BICMOS		5 V	5	CHIP CARRIER	LCC40,.24SQ,20	Other Telecom ICs	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N40				Not Qualified		NOT SPECIFIED	NOT SPECIFIED
TRF3762-EIRHAR	Texas Instruments	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1		.15 mA	5 V	5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC40,.24SQ,20	Other Telecom ICs	.5 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	S-PQCC-N40	3	1 mm	6 mm	Not Qualified	e4	30	260	6 mm
TRF3762-EIRHARG4	Texas Instruments	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1		.15 mA	5 V	5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC40,.24SQ,20	Other Telecom ICs	.5 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	S-PQCC-N40	3	1 mm	6 mm	Not Qualified	e4	30	260	6 mm
TRF3762-EIRHATG4	Texas Instruments	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1		.15 mA	5 V	5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC40,.24SQ,20	Other Telecom ICs	.5 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	S-PQCC-N40	3	1 mm	6 mm	Not Qualified	e4	30	260	6 mm
TRF3762-EIRHAT	Texas Instruments	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1		.15 mA	5 V	5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC40,.24SQ,20	Other Telecom ICs	.5 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	S-PQCC-N40	3	1 mm	6 mm	Not Qualified	e4	30	260	6 mm
ADRF5547BCPZN	Analog Devices	RF FRONT END CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	105 Cel	-40 Cel		QUAD	S-XQCC-N40	3	1 mm	6 mm			30	260	6 mm
ADRF5549BCPZN-RL	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	105 Cel	-40 Cel		QUAD	S-XQCC-N40	3	1 mm	6 mm				260	6 mm
ADRF5545ABCPZN-RL	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	105 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	S-XQCC-N40	3	1 mm	6 mm		e4	30	260	6 mm
ADRF5549BCPZN-R7	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	105 Cel	-40 Cel		QUAD	S-XQCC-N40	3	1 mm	6 mm				260	6 mm
ADRF5549BCPZN	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	105 Cel	-40 Cel		QUAD	S-XQCC-N40	3	1 mm	6 mm			30	260	6 mm
ADRF5547BCPZN-R7	Analog Devices	RF FRONT END CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC40,.24SQ,20		.5 mm	105 Cel	-40 Cel		QUAD	S-XQCC-N40	3	1 mm	6 mm			30	260	6 mm
ADRF6603ACPZ-R7	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N40		1 mm	6 mm	Not Qualified	e3			6 mm
ADRF6602ACPZ-R7	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N40	3	1 mm	6 mm	Not Qualified	e3			6 mm
ADRF5545ABCPZN	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	105 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	S-XQCC-N40	3	1 mm	6 mm		e4	30	260	6 mm
ADRF5545ABCPZN-R7	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	105 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	S-XQCC-N40	3	1 mm	6 mm		e4	30	260	6 mm
ADRF6601ACPZ-R7	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N40	1	1 mm	6 mm		e3			6 mm
ADRF5547BCPZN-RL	Analog Devices	RF FRONT END CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC40,.24SQ,20		.5 mm	105 Cel	-40 Cel		QUAD	S-XQCC-N40	3	1 mm	6 mm			30	260	6 mm
MAX2059ETL+	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD	S-XQCC-N40	1	.8 mm	6 mm	Not Qualified	e3	30	260	6 mm
MAX2058ETL+	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD	S-XQCC-N40	1	.8 mm	6 mm	Not Qualified	e3	30	260	6 mm
HMC682LP6CE	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm	Not Qualified	e3	40	260	6 mm
HMC683LP6CTR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N40		.9 mm	6 mm					6 mm
ADL5592ACPZ	Analog Devices	BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel		QUAD	S-XQCC-N40		.8 mm	6 mm	Not Qualified				6 mm
HMC683LP6CETR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm		e3			6 mm
HMC682LP6CETR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm		e3	30	260	6 mm
ADF4602BCPZ-RL	Analog Devices	RF AND BASEBAND CIRCUIT	OTHER	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			3.3 V	3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC40,.24SQ,20	Other Telecom ICs	.5 mm	85 Cel	0 Cel	Matte Tin (Sn) - annealed	QUAD	S-XQCC-N40		1 mm	6 mm	Not Qualified	e3			6 mm
HMC682LP6CTR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N40		.9 mm	6 mm					6 mm
ADF4602BCPZ	Analog Devices	RF AND BASEBAND CIRCUIT	OTHER	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			3.3 V	3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC40,.24SQ,20	Other Telecom ICs	.5 mm	85 Cel	0 Cel	Matte Tin (Sn) - annealed	QUAD	S-XQCC-N40		1 mm	6 mm	Not Qualified	e3			6 mm
HMC829LP6GETR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N40	1	.9 mm	6 mm			30	260	6 mm
HMC683LP6C	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-N40	1	.9 mm	6 mm	Not Qualified	e0			6 mm
HMC702LP6CETR	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1	BICMOS		3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm		e3			6 mm
ADL5592ACPZ-R7	Analog Devices	BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N40	3	.8 mm	6 mm	Not Qualified	e3		260	6 mm
HMC683LP6CE	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm	Not Qualified	e3			6 mm
HMC682LP6C	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-N40	1	.9 mm	6 mm	Not Qualified	e0			6 mm
ADL5812ACPZ-R7	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	Matte Tin (Sn)	QUAD	S-XQCC-N40	3	.9 mm	6 mm	Not Qualified	e3	40	260	6 mm
HMC829LP6GE	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1			3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-N40	1	.9 mm	6 mm		e3		260	6 mm
MAX2059ETL+T	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD	S-XQCC-N40	1	.8 mm	6 mm	Not Qualified	e3	30	260	6 mm
MAX2058ETL+T	Analog Devices	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD	S-XQCC-N40	1	.8 mm	6 mm	Not Qualified	e3	30	260	6 mm
MAX2058ETL-T	Maxim Integrated	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel		QUAD	S-XQCC-N40	1	.8 mm	6 mm	Not Qualified				6 mm
MAX2059ETL	Maxim Integrated	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	TIN LEAD	QUAD	S-XQCC-N40	1	.8 mm	6 mm	Not Qualified	e0		245	6 mm
MAX2059ETL-T	Maxim Integrated	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel		QUAD	S-XQCC-N40		.8 mm	6 mm	Not Qualified		NOT SPECIFIED	NOT SPECIFIED	6 mm
MAX2058ETL	Maxim Integrated	RF AND BASEBAND CIRCUIT	INDUSTRIAL	NO LEAD	40	HVQCCN	SQUARE	UNSPECIFIED	YES	1	BICMOS		5 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	TIN LEAD	QUAD	S-XQCC-N40	1	.8 mm	6 mm	Not Qualified	e0			6 mm

Cellphone ICs

Cellphone ICs (Integrated Circuits) are the electronic components that provide the processing power and functionality for modern cellphones. They are responsible for a wide range of functions, including signal processing, data storage, and communication protocols.

Some common types of cellphone ICs include:

1. Baseband processors: These ICs are responsible for handling the core functions of a cellphone, such as making calls and sending messages. They also manage the cellphone's power consumption and system resources.

2. Radio frequency (RF) transceivers: These ICs are responsible for transmitting and receiving RF signals over cellular networks. They also provide the ability to switch between different network bands and frequencies.

3. Power management ICs: These ICs manage the power supply and battery life of a cellphone. They regulate voltage and current to ensure efficient operation and prevent damage to the device.

4. Memory ICs: These ICs provide storage for the cellphone's operating system, applications, and user data. They include flash memory, RAM, and other types of non-volatile memory.

5. Sensor ICs: These ICs provide sensing capabilities, such as accelerometers, gyroscopes, and proximity sensors. They enable the cellphone to detect motion, orientation, and other environmental conditions.