RF AND BASEBAND CIRCUIT Cellphone ICs 1,460

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Part RoHS Manufacturer Telecom IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Surface Mount No. of Functions Output Code No. of Channels Technology Screening Level No. of Transceivers Maximum Supply Current Nominal Supply Voltage Power Supplies (V) Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Resolution (um) Minimum Operating Temperature Maximum Gain Tolerance Terminal Finish Maximum Output Voltage Terminal Position Data Rate JESD-30 Code Output (V) Moisture Sensitivity Level (MSL) Maximum Seated Height Linear Coding Width Qualification Companding Law Input Type Additional Features Maximum Analog Input JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Filter

LTC5594IUH#TRPBF

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

105 Cel

-40 Cel

MATTE TIN

QUAD

S-PQCC-N32

1

.8 mm

5 mm

e3

260

5 mm

ADRV9010BBCZ

Analog Devices

RF AND BASEBAND CIRCUIT

BALL

289

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1

1 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA289,17X17,32

.8 mm

110 Cel

-40 Cel

BOTTOM

S-PBGA-B289

1.43 mm

14 mm

NOT SPECIFIED

NOT SPECIFIED

14 mm

HMC420QS16

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

GULL WING

16

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

5 V

SMALL OUTLINE, SHRINK PITCH

.635 mm

85 Cel

-40 Cel

TIN LEAD

DUAL

R-PDSO-G16

1

1.75 mm

3.9 mm

Not Qualified

e0

4.9 mm

AD6643BCPZRL7-250

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

64

HVQCCN

SQUARE

UNSPECIFIED

YES

2

CMOS

.275 mA

1.8 V

1.8

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC64,.35SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N64

3

1 mm

9 mm

Not Qualified

e3

30

260

9 mm

ADRV9010BBCZ-A

Analog Devices

RF AND BASEBAND CIRCUIT

BALL

289

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1

1 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA289,17X17,32

.8 mm

110 Cel

-40 Cel

BOTTOM

S-PBGA-B289

1.43 mm

14 mm

NOT SPECIFIED

NOT SPECIFIED

14 mm

HMC485MS8GE

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

GULL WING

8

HTSSOP

SQUARE

PLASTIC/EPOXY

YES

1

5 V

SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

.65 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

S-PDSO-G8

1

1.1 mm

3 mm

Not Qualified

e3

260

3 mm

AD6649BCPZRL7

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

64

HVQCCN

SQUARE

UNSPECIFIED

YES

1

.3 mA

1.8 V

1.8

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC64,.35SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N64

3

1 mm

9 mm

Not Qualified

e3

30

260

9 mm

AD6636CBC

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

BALL

256

BGA

SQUARE

PLASTIC/EPOXY

YES

1

1.8 V

GRID ARRAY

1 mm

85 Cel

-40 Cel

BOTTOM

S-PBGA-B256

3

1.85 mm

17 mm

240

17 mm

HMC422MS8E

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

GULL WING

8

TSSOP

SQUARE

PLASTIC/EPOXY

YES

1

3 V

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

.65 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

S-PDSO-G8

1

1.1 mm

3 mm

Not Qualified

e3

260

3 mm

HMC495LP3

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

16

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQCC-N16

1

1 mm

3 mm

Not Qualified

e0

20

235

3 mm

HMC377QS16GE

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

GULL WING

16

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

5 V

SMALL OUTLINE, SHRINK PITCH

.635 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDSO-G16

1

1.75 mm

3.9 mm

Not Qualified

e3

4.9 mm

ADRV9029-MB/PCBZ

Analog Devices

RF AND BASEBAND CIRCUIT

ADRF6658BCPZ-RL7

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

105 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N48

3

.8 mm

7 mm

e3

30

260

7 mm

ADRF6650ACPZ

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

56

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

105 Cel

-40 Cel

QUAD

S-XQCC-N56

.8 mm

8 mm

NOT SPECIFIED

NOT SPECIFIED

8 mm

AD6649BCPZ

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

64

HVQCCN

SQUARE

UNSPECIFIED

YES

1

.3 mA

1.8 V

1.8

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC64,.35SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N64

3

1 mm

9 mm

Not Qualified

e3

30

260

9 mm

AD6659BCPZ-80

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

64

HVQCCN

SQUARE

UNSPECIFIED

YES

2

.119 mA

1.8 V

1.8

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC64,.35SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N64

1

1 mm

9 mm

Not Qualified

e3

9 mm

HMC420QS16E

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

GULL WING

16

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

5 V

SMALL OUTLINE, SHRINK PITCH

.635 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDSO-G16

1

1.75 mm

3.9 mm

Not Qualified

e3

260

4.9 mm

MAX5863ETM+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N48

1

.8 mm

7 mm

Not Qualified

7 mm

MAX5864E/D

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

DIE

UNSPECIFIED

UNSPECIFIED

YES

1

CMOS

3 V

UNCASED CHIP

85 Cel

-40 Cel

TIN LEAD

UPPER

X-XUUC-N

Not Qualified

e0

MAX5863E/D

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

DIE

UNSPECIFIED

UNSPECIFIED

YES

1

CMOS

3 V

UNCASED CHIP

85 Cel

-40 Cel

TIN LEAD

UPPER

X-XUUC-N

Not Qualified

e0

MAX19995AETX+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

36

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-N36

1

.8 mm

6 mm

Not Qualified

e3

30

260

6 mm

MAX5866ETM+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N48

1

.8 mm

7 mm

Not Qualified

e3

30

260

7 mm

MAX19995AETX+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

36

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-N36

1

.8 mm

6 mm

Not Qualified

e3

30

260

6 mm

MAX5866ETM+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N48

1

.8 mm

7 mm

Not Qualified

30

260

7 mm

MAX5864ETM+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N48

1

.8 mm

7 mm

Not Qualified

e3

30

260

7 mm

MAX5865E/D

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

DIE

UNSPECIFIED

UNSPECIFIED

YES

1

CMOS

3 V

UNCASED CHIP

85 Cel

-40 Cel

TIN LEAD

UPPER

X-XUUC-N

Not Qualified

e0

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

MAX2674EWT+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

BALL

6

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

BICMOS

3.3 V

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

.4 mm

85 Cel

-40 Cel

TIN SILVER COPPER NICKEL

BOTTOM

R-PBGA-B6

1

.69 mm

.865 mm

e2

30

260

1.27 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

MAX2904ETI+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

28

HVQCCN

SQUARE

UNSPECIFIED

YES

1

4.5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N28

1

.9 mm

5 mm

Not Qualified

e3

5 mm

MAX2903ETI+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

28

HVQCCN

SQUARE

UNSPECIFIED

YES

1

4.5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N28

1

.9 mm

5 mm

Not Qualified

e3

5 mm

MAX2051ETP+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

.13 mA

5 V

5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.20SQ,25

Other Telecom ICs

.65 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N20

1

.8 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX2044ETP+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

.155 mA

3.3 V

3.3/5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.20SQ,25

Other Telecom ICs

.65 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N20

1

.8 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX2690

Analog Devices

RF AND BASEBAND CIRCUIT

TIN LEAD

Not Qualified

e0

MAX2031ETP+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

.1 mA

5 V

5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.20SQ,25

Other Telecom ICs

.65 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N20

1

.8 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX9986AETP

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.65 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-XQCC-N20

1

.8 mm

5 mm

Not Qualified

e0

5 mm

MAX2041ETP+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

.145 mA

5 V

5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.20SQ,25

Other Telecom ICs

.65 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N20

1

.8 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX2690EUB+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

GULL WING

10

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

3 V

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G10

1

1.092 mm

2.9465 mm

Not Qualified

e3

30

260

3 mm

MAX2550ETN+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

56

HVQCCN

SQUARE

UNSPECIFIED

YES

1

390 mA

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC56,.30SQ,16

.4 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N56

1

.8 mm

7 mm

e3

30

260

7 mm

MAX9994ETP+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.65 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N20

1

.8 mm

5 mm

e3

30

260

5 mm

MAX2902ETI+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

28

HVQCCN

SQUARE

UNSPECIFIED

YES

1

4.5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N28

1

.9 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX2010ETI+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

28

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

.0121 mA

5 V

5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC28,.2SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N28

1

.8 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX2903ETI+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

28

HVQCCN

SQUARE

UNSPECIFIED

YES

1

4.5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N28

1

.9 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX2685EEE+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

GULL WING

16

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

3 V

SMALL OUTLINE, SHRINK PITCH

.635 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G16

1

1.73 mm

3.9 mm

Not Qualified

e3

30

260

4.89 mm

MAX2359ETIT

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

28

VQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

2.75 V

CHIP CARRIER, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N28

1

.9 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX2092ETP+T

Analog Devices

RF AND BASEBAND CIRCUIT

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

5.5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.65 mm

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N20

1

.8 mm

5 mm

e3

30

260

5 mm

MAX2031ETP+

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

.1 mA

5 V

5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.20SQ,25

Other Telecom ICs

.65 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N20

1

.8 mm

5 mm

Not Qualified

e3

30

260

5 mm

MAX2042AETP+T

Analog Devices

RF AND BASEBAND CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

.162 mA

3.3 V

3.3/5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.20SQ,25

Other Telecom ICs

.65 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N20

1

.8 mm

5 mm

Not Qualified

e3

30

260

5 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.