LT5581_15 datasheet(2/18 Pages) LINER

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LT5581

5581fa

The

l denotes the speciﬁcations which apply over the full operating temperature

range, otherwise speciﬁcations are at TA = 25°C, VCC = 3.3V, EN = 3.3V, unless otherwise noted (Note 2). Test circuit is shown in Figure 1.

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltage .........................................................5.5V

Maximum Input Signal Power—Average .............15dBm

Maximum Input Signal Power—Peak (Note 7) ....25dBm

DC Voltage at RFIN ....................................... –0.3V to 2V

VOUT Voltage ....................................–0.3V to VCC + 0.3V

Maximum Junction Temperature, TJMAX ............... 150°C

Operating Temperature Range.................. –40°C to 85°C

Storage Temperature Range................... –65°C to 150°C

CAUTION: This part is sensitive to electrostatic discharge. It

is very important that proper ESD precautions be observed

when handling the LT5581.

(Note 1)

TOP VIEW

DDB PACKAGE

8-LEAD (3mm

2mm) PLASTIC DFN

VCC

VOUT

GND

CSQ

RFIN

GND

TJMAX = 150°C, θJA = 76°C/W

EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT5581IDDB#PBF

LT5581IDDB#TRPBF

LDKM

8-Lead (3mm × 2mm) Plastic DFN

–40°C to 85°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

Consult LTC Marketing for information on non-standard lead based ﬁnish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel speciﬁcations, go to: http://www.linear.com/tapeandreel/

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

AC Input

Input Frequency Range (Note 4)

10-6000

MHz

Input Impedance

205||1.6

Ω||pF

fRF = 450MHz

RF Input Power Range

Externally Matched to 50Ω Source

–34 to 6

dBm

Linear Dynamic Range, CW (Note 3)

±1dB Linearity Error

Linear Dynamic Range, CDMA (Note 3)

±1dB Linearity Error; CDMA 4-Carrier

Output Slope

mV/dB

Logarithmic Intercept (Note 5)

–42

dBm

Output Variation vs Temperature

Normalized to Output at 25˚C, –40°C < TA < 85°C;

PIN = –34 to +6dBm

±1

Output Variation vs Temperature

Normalized to Output at 25°C, –40°C < TA < 85°C;

PIN = –27 to –10dBm

±0.5

Deviation from CW Response;

PIN = –34dBm to 0dBm

TETRA π/4 DQPSK

CDMA 4-Carrier 64-Channel Fwd 1.23Mcps

±0.1

±0.5

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