LT5570IDD 데이터 시트보기 (PDF) - Linear Technology

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LT5570IDD

Fast Responding, 40MHz to 2.7GHz Mean-Squared Power Detector

Linear Technology 

LT5570

ABSOLUTE MAXIMUM RATINGS

(Note 1)

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

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

Input Signal Power (Differential)..........................15dBm

TJMAX .................................................................... 125°C

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

Storage Temperature Range................... –65°C to 125°C

CAUTION: This part is sensitive to electrostatic discharge. It

is very important that proper ESD precautions be observed

when handling the LT5570.

PIN CONFIGURATION

TOP VIEW

VCC 1

IN+ 2

DEC 3

IN– 4

GND 5

10 FLTR

9 EN

8 DNC

7 DNC

6 OUT

DD PACKAGE

10-LEAD (3mm s 3mm) PLASTIC DFN

TJMAX = 125°C, θJA = 43°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

LT5570IDD#PBF

LT5570IDD#TRPBF

LCJQ

10-Lead (3mm × 3mm) Plastic DFN

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/

TEMPERATURE RANGE

–40°C to 85°C

ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C, VCC = 5V, EN = 5V, unless otherwise noted. Test circuits are shown in

Figures 1 and 3. (Notes 2 and 3).

PARAMETER

AC Input

Input Frequency Range (Note 4)

Input Impedance

fRF = 500MHz

RF Input Power Range

Linear Dynamic Range (Note 5)

Output Slope

Logarithmic Intercept

Output Variation vs Temperature

Deviation from CW Response

2nd Order Harmonic Distortion

3rd Order Harmonic Distortion

CONDITIONS

CW Input; 1:4 Balun Matched into 50Ω Source

±1dB Linearity Error, TA = –40°C to 85°C

Normalized to Output at 25°C

–40°C < TA < 85°C; PIN = –50dBm to 13dBm

11dB Peak to Average Ratio (3-Carrier CDMA2K)

12dB Peak to Average Ratio (4-Carrier WCDMA)

At RF Input; CW Input; PIN = 10dBm

At RF Input; CW Input; PIN = 10dBm

MIN

TYP

MAX UNITS

l

40 to 2700

MHz

200/1

Ω/pF

–52 to 13

62

36.9

–54.8

±0.5

0.4

0.3

61

66

dBm

dB

mV/dB

dBm

dB

dB

dB

dBc

dBc

5570f

2

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