SKY13370-374LF

DATA SHEET

SKY13370-374LF: 0.5 – 6.0 GHz SPDT Switch, 50 Ω Terminated

Applications

?WiMAX802.16

?Dual-band WLAN s (802.11 a/b/g/n)

?LTE/4G systems

Features

?50 Ωmatched RF ports in all states

?Low insertion loss: 0.7dB @ 2.5 GHz

?High isolation: 31dB @ 2.5 GHz

?IP1dB: +39dBm

?Small, DFN (6-pin, 1.5 x 1.5 mm) package (MSL1, 260°C per

JEDEC J-STD-020)

Figure 1. SKY13370-374LF Block Diagram Description

The SKY13370-374LF is a GaAs pHEMT Single-Pole, Double-Throw (SPDT)high power switch with 50 Ωterminated outputs. The high linearity performance and low insertion loss achieved by the SKY13370-374LF make it an ideal choice for WiMAX and higher power WLAN applications such as access points.

The switch is manufactured in a compact, 1.5 x 1.5 mm, 6-pin Dual Flat No-Lead (DFN) package.

A functional block diagram is shown in Figure 1. The pin configuration and package are shown in Figure 2. Signal pin assignments and functional pin descriptions are provided in Table1.

Figure 2. SKY13370-374LF Pinout – 6-Pin DFN

(Top View)

DATA SHEET ? SKY13370-374LF SPDT SWITCH

Note:Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.

CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times.

Functional Description

Switching is controlled by two control voltage inputs, V1 and V2 (pins 1 and 3, respectively). Depending on the logic voltage level applied to the control pins, the RFC pin is connected to one of the two switched RF outputs, RF1 or RF2, using a low insertion loss path, while the path between the RFC pin and the other RF pin is in a high isolation state.

DC blocking capacitors are required on all RF ports of the switch. The value of the capacitors determine s the low frequency operation. The isolated RF output is internally teminated to 50 Ω. Electrical and Mechanical Specifications

The absolute maximum ratings of the SKY13370-374LF are provided in Table 2. Electrical specifications are provided in Table3.

Typical performance characteristics of the SKY13370-374LF are illustrated in Figures 3 through 6.

The state of the SKY13370-374LF is determined by the logic provided in Table 4.

DATA SHEET ? SKY13370-374LF SPDT SWITCH

Table 3. SKY13370-374LF Electrical Specifications (Note 1)

CTL OP IN O BLK

DATA SHEET ? SKY13370-374LF SPDT SWITCH

Typical Performance Characteristics

(V CTL = 0 V and +3.0 V, T OP = +25 °C, P IN = 0 dBm, Characteristic Impedance [Z O ] = 50 Ω, C BLK = 47 pF, Unless Otherwise Noted)

Figure 3. Typical Insertion Loss vs Frequency

Figure 5. Return Loss vs Frequency

(Insertion Loss State)

Figure 4. Typical Isolation vs Frequency

Figure 6. Return Loss vs Frequency

(Isolation State)

DATA SHEET ? SKY13370-374LF SPDT SWITCH

Note : “1” = +2.5 V to +5.0 V. “0” = 0 V to +0.2 V. Any state other than described in this Table places the switch into an undefined state. An undefined state will not damage the device.

Evaluation Board Description

The SKY13370-374LF Evaluation Board is used to test the

performance of the SKY13370-374LF SPDT Switch . An Evaluation Board schematic diagram is provided in Figure 7. An assembly drawing for the Evaluation Board is shown in Figure 8.

Package Dimensions

The PCB layout footprint for the SKY13370-374LF is provided in Figure 9. Typical case markings are shown in Figure 10. Package dimensions for the 6-pin DFN are shown in Figure 11, and tape and reel dimensions are provided in Figure

12.

Package and Handling Information

Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly.

The

SKY13370-374LF is rated to Moisture Sensitivity Level 1 (MSL1) at 260 °C. It can be used for lead or lead -free soldering. For additional information, refer to the Skyworks Application Note, Solder Reflow Information , document number 200164. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format.

Figure 7. SKY13370-374LF Evaluation Board Schematic

DATA SHEET ? SKY13370-374LF SPDT SWITCH

Figure 8. SKY13370-374LF Evaluation Board Assembly Diagram

Figure 9. SKY13370-374LF PCB Layout Footprint

(Top View)

DATA SHEET ? SKY13370-374LF SPDT SWITCH

Figure 10. Typical Part Markings

(Top View)

Figure 11. SKY13370-374LF 6-Pin DFN Package Dimensions

DATA SHEET ? SKY13370-374LF SPDT SWITCH

Figure 12. SKY13370-374LF Tape and Reel Dimensions

DATA SHEET ? SKY13370-374LF SPDT SWITCH Ordering Information

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