LTC6946_15 datasheet(2/32 Pages) LINER

2 / 32 page

LTC6946

6946fb

For more information www.linear.com/LTC6946

pin conFiguraTion

absoluTe MaxiMuM raTings

Supply Voltages

V+ (VREF+, VREFO+, VRF+, VD+) to GND..................3.6V

VCP+, VVCO+ to GND.............................................5.5V

Voltage on CP Pin .................GND – 0.3V to VCP+ + 0.3V

Voltage on All Other Pins ..........GND – 0.3V to V+ + 0.3V

Operating Junction Temperature Range, TJ (Note 2)

LTC6946I ............................................... –40°C to 105°C

Junction Temperature, TJMAX................................ 125°C

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

(Note 1)

9 10

TOP VIEW

GND

UFD PACKAGE

28-LEAD (4mm

× 5mm) PLASTIC QFN

11 12 13

28 27 26 25 24

VREFO+

REFO

STAT

SCLK

SDI

SDO

VD+

VVCO+

GND

CMA

CMB

CMC

GND

TUNE

TJMAX = 125°C, θJCbottom = 3°C/W, θJCtop = 26°C/W

EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

JUNCTION TEMPERATURE RANGE

LTC6946IUFD-1#PBF

LTC6946IUFD-1#TRPBF

69461

28-Lead (4mm × 5mm) Plastic QFN

–40°C to 105°C

LTC6946IUFD-2#PBF

LTC6946IUFD-2#TRPBF

69462

28-Lead (4mm × 5mm) Plastic QFN

–40°C to 105°C

LTC6946IUFD-3#PBF

LTC6946IUFD-3#TRPBF

69463

28-Lead (4mm × 5mm) Plastic QFN

–40°C to 105°C

LTC6946IUFD-4#PBF

LTC6946IUFD-4#TRPBF

69464

28-Lead (4mm × 5mm) Plastic QFN

–40°C to 105°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/

available opTions

VCO FREQUENCY

RANGE (GHz)

PACKAGE STYLE

OUTPUT FREQUENCY RANGE vs OUTPUT DIVIDER SETTING (GHz)

QFN-28 (UFD28)

0 DIV = 6

0 DIV = 5

0 DIV = 4

0 DIV = 3

0 DIV = 2

0 DIV = 1

2.240 to 3.740

LTC6946IUFD-1

0.373 to 0.623

0.448 to 0.748

0.560 to 0.935

0.747 to 1.247

1.120 to 1.870

2.240 to 3.740

3.080 to 4.910

LTC6946IUFD-2

0.513 to 0.818

0.616 to 0.982

0.770 to 1.228

1.027 to 1.637

1.540 to 2.455

3.080 to 4.910

3.840 to 5.790

LTC6946IUFD-3

0.640 to 0.965

0.768 to 1.158

0.960 to 1.448

1.280 to 1.930

1.920 to 2.895

3.840 to 5.790

4.200 to 6.390

LTC6946IUFD-4

0.700 to 1.065

0.840 to 1.278

1.050 to 1.598

1.400 to 2.130

2.100 to 3.195

4.200 to 6.390

Overlapping Frequency Bands

LTC6946 Datasheet(PDF) 2 Page - Linear Technology

LTC6946 Datasheet(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Datasheet Download

Link URL