SKY73121-11 datasheet, PDF - EEWORLD Datasheet

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SKY73121-11: DescriptionPhase Locked Loop, 9 X 12 MM, GREEN, MCM-38; CategoryAnalog mixed-signal IC The signal circuit; File Size259KB，22 Pages; ManufacturerSkyworks; Websitehttp://www.skyworksinc.com; Environmental Compliance

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SKY73121-11 Overview

Phase Locked Loop, 9 X 12 MM, GREEN, MCM-38

SKY73121-11 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Parts packaging code	MCM
package instruction	QCCN,
Contacts	38
Reach Compliance Code	unknown
Analog Integrated Circuits - Other Types	PHASE LOCKED LOOP
JESD-30 code	R-XQCC-N38
length	12 mm
Number of functions	1
Number of terminals	38
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
encapsulated code	QCCN
Package shape	RECTANGULAR
Package form	CHIP CARRIER
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	1.85 mm
Maximum supply voltage (Vsup)	5.25 V
Minimum supply voltage (Vsup)	4.75 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal form	NO LEAD
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	9 mm
Base Number Matches	1

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DATA SHEET

SKY73121-11: 1805–1890 MHz High Performance

VCO/Synthesizer With Integrated Switch

Applications

2G, 2.5G, and 3G base station transceivers:

GSM, EDGE, CDMA, WCDMA

General purpose RF systems

Description

Skyworks SKY73121-11 Voltage-Controlled Oscillator

(VCO)/Synthesizer is a fully integrated, high performance signal

source for high dynamic range transceivers. The device provides

ultra-fine frequency resolution, fast switching speed, and low

phase noise performance for 2G, 2.5G, and 3G base station

transceivers.

The SKY73121-11 VCO/Synthesizer is a key building block for

high-performance radio system designs that require low power

and a fine step size. Reference clock generators with an output

frequency up to 52 MHz can be used with the SKY73121-11. A

functional block diagram is shown in Figure 1. As indicated in this

diagram, the reference frequency is divided down by 1, 2, 4, or 8

in the R1 divider, depending on the value of the reference divisor

input (R1). Refer to the Reference Input Divider section (page 10)

for more information.

The SKY73121-11 VCO/Synthesizer is provided in a compact,

38-pin Multi-Chip Module (MCM). The device package and pinout

are shown in Figure 2. Signal pin assignments and functional pin

descriptions are provided in Table 1.

Features

Frequency operation range: 1805 to 1890 MHz

Process-tolerant compensation for VCO

24-bit

fractional-N synthesizer

Ultra-fine frequency resolution of 0.001 ppm

Flexible reference frequency selection

Three-wire serial interface up to 20 MHz clock frequency

Integrated PLL supply regulation for spur isolation

MCM (38-pin, 9 x 12 mm) SMT package (MSL3, 260 C per

JEDEC J-STD-020)

Varactor

Vtune

Cal

Buffer

VCO Out +

VCO Out –

Z = 1:4

RF Output

SW_EN

SR Out +

SR Out –

Vtune

cap

[6:0]

Flag

PLL

Low Pass Filter

3-Wire

Serial

Interface

CLK

DAT

SP1

SC1

CPO RF

FREF

Divider

PFD

RF Charge

Pump

Mux

(LD/Test)

Divider

Divide-by-2

P/P+1

Prescaler

INB

ΔΣ

Modulator

Digital

Coarse

Calibration

cap

[6:0]

Calibration

Complete

S1040

Figure 1. SKY73121-11 Functional Block Diagram

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

200888B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • December 1, 2009

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