LT5558EUF#PBF datasheet, PDF - EEWORLD Datasheet

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LT5558EUF#PBF: DescriptionIC DIRECT QUADRATURE MOD 16-QFN; CategoryWireless rf/communication Telecom circuit; File Size305KB，16 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LT5558EUF#PBF Overview

IC DIRECT QUADRATURE MOD 16-QFN

LT5558EUF#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	QFN
package instruction	HVQCCN, LCC16,.16SQ,25
Contacts	16
Manufacturer packaging code	UF
Reach Compliance Code	compliant
ECCN code	EAR99
JESD-30 code	S-PQCC-N16
JESD-609 code	e3
length	4 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC16,.16SQ,25
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Certification status	Not Qualified
Maximum seat height	0.8 mm
Maximum slew rate	0.135 mA
Nominal supply voltage	5 V
surface mount	YES
technology	BIPOLAR
Telecom integrated circuit types	RF AND BASEBAND CIRCUIT
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	NO LEAD
Terminal pitch	0.65 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	4 mm

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FEATURES

■

LT5558

600MHz to 1100MHz

High Linearity Direct

Quadrature Modulator

DESCRIPTION

The LT

5558 is a direct I/Q modulator designed for high

performance wireless applications, including wireless

infrastructure. It allows direct modulation of an RF signal

using differential baseband I and Q signals. It supports

GSM, EDGE, CDMA, CDMA2000, and other systems. It

may also be conﬁgured as an image reject upconverting

mixer, by applying 90° phase-shifted signals to the I and

Q inputs. The high impedance I/Q baseband inputs consist

of voltage-to-current converters that in turn drive double-

balanced mixers. The outputs of these mixers are summed

and applied to an on-chip RF transformer, which converts

the differential mixer signals to a 50Ω single-ended output.

The balanced I and Q baseband input ports are intended

for DC coupling from a source with a common-mode

voltage level of about 2.1V. The LO path consists of an LO

buffer with single-ended input, and precision quadrature

generators which produce the LO drive for the mixers.

The supply voltage range is 4.5V to 5.25V.

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

■

Direct Conversion from Baseband to RF

High OIP3: + 22.4dBm at 900MHz

Low Output Noise Floor at 20MHz Offset:

No RF: –158dBm/Hz

OUT

= 4dBm: –152.7dBm/Hz

Low Carrier Leakage: –43.7dBm at 900MHz

High Image Rejection: –49dBc at 900MHz

3 Channel CDMA2000 ACPR: –70.4dBc at 900MHz

Integrated LO Buffer and LO Quadrature Phase

Generator

50Ω AC-Coupled Single-ended LO and RF Ports

High Impedance Interface to Baseband Inputs

with 2.1V Common Mode Voltage

16-Lead QFN 4mm

4mm Package

APPLICATIONS

■

RFID Single-Sideband Transmitters

Infrastructure T

for Cellular and ISM Bands

Image Reject Up-Converters for Cellular Bands

Low-Noise Variable Phase-Shifter for 600MHz to

1100MHz Local Oscillator Signals

Microwave Links

TYPICAL APPLICATION

600MHz to 1100MHz Direct Conversion Transmitter Application

8, 13

IDAC

V-1

I-CH

90°

QDAC

Q-CH

V-1

BALUN

O°

LT5558

ACPR, ALTCPR (dBc)

CDMA2000 ACPR, AltCPR and Noise vs

RF Output Power at 900MHz for 1 and 3 Carriers

–40

DOWNLINK TEST

MODEL 64 DPCH

3-CH ACPR

3-CH ALTCPR

–60

1-CH ACPR

–70

1-CH NOISE

–80

1-CH ALTCPR

3-CH NOISE

–150

–140

–130

–110

NOISE FLOOR AT 30MHz OFFSET (dBm/Hz)

2 x 100nF

∫

RF = 600MHz TO

1100MHz

–50

–120

∫

BASEBAND

GENERATOR

2, 4, 6, 9, 10,

12, 15, 17

VCO/SYNTHESIZER

5558 TA01

–90

–30

–20

–15

–10

–5

–25

RF OUTPUT POWER PER CARRIER (dBm)

5558 TA01b

–160

5558fa

LT5558EUF#PBF Related Products

	LT5558EUF#PBF	LT5558EUF#TRPBF
Description	IC DIRECT QUADRATURE MOD 16-QFN	IC DIRECT QUADRATURE MOD 16-QFN
Brand Name	Linear Technology	Linear Technology
Is it Rohs certified?	conform to	conform to
Maker	Linear ( ADI )	Linear ( ADI )
Parts packaging code	QFN	QFN
package instruction	HVQCCN, LCC16,.16SQ,25	HVQCCN, LCC16,.16SQ,25
Contacts	16	16
Manufacturer packaging code	UF	UF
Reach Compliance Code	compliant	compliant
ECCN code	EAR99	EAR99
JESD-30 code	S-PQCC-N16	S-PQCC-N16
JESD-609 code	e3	e3
length	4 mm	4 mm
Humidity sensitivity level	1	1
Number of functions	1	1
Number of terminals	16	16
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HVQCCN	HVQCCN
Encapsulate equivalent code	LCC16,.16SQ,25	LCC16,.16SQ,25
Package shape	SQUARE	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260	260
power supply	5 V	5 V
Certification status	Not Qualified	Not Qualified
Maximum seat height	0.8 mm	0.8 mm
Maximum slew rate	0.135 mA	0.135 mA
Nominal supply voltage	5 V	5 V
surface mount	YES	YES
technology	BIPOLAR	BIPOLAR
Telecom integrated circuit types	RF AND BASEBAND CIRCUIT	RF AND BASEBAND CIRCUIT
Temperature level	INDUSTRIAL	INDUSTRIAL
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	NO LEAD	NO LEAD
Terminal pitch	0.65 mm	0.65 mm
Terminal location	QUAD	QUAD
Maximum time at peak reflow temperature	30	30
width	4 mm	4 mm

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