SKY67102-396LF射频放大器_SKY65162-70LF资源-CSDN文库

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

201631B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 28, 2011 1

DATA SHEET

SKY67102-396LF: 2.0-3.0 GHz High Linearity, Active Bias

Low-Noise Amplifier

Applications

• CDMA, WCDMA, TD-SCDMA, WiMAX, and LTE cellular

infrastructure

• Ultra low-noise systems

Features

• Ultra Low Noise Figure: 0.8 dB @ 2.6 GHz

• Input and output return loss > 18 dB @ 2.6 GHz

• High IIP3 performance: +16.7 dBm @ 2.6 GHz

• Adjustable supply current and gain

• Temperature and process-stable active bias

• Miniature DFN (8-pin, 2 x 2 mm) package (MSL1 @ 260 °C per

JEDEC J-STD-020)

Figure 2. SKY67102-396LF Pinout – 8-Pin DFN

(Top View)

Figure 1. SKY67102-396LF Block Diagram

Description

The SKY67102-396LF is GaAs, pHEMT Low-Noise Amplifier (LNA)

with an active bias and high linearity performance. The advanced

GaAs pHEMT enhancement mode process provides excellent

return loss, low noise, and high linearity performance.

The internal active bias circuitry provides stable performance over

temperature and process variation. The device offers the ability to

externally adjust supply current and gain. Supply voltage is

applied to the RFOUT/VDD pin through an RF choke inductor. Pin 4

(VIN) should be connected to RFOUT/VDD through an external

resistor to control the supply current. The RFIN and RFOUT/VDD

pins should be DC blocked to ensure proper operation. Pin 5

(FEEDBACK) is connected through an RC network to externally

adjust the gain of the device without affecting the Noise Figure

(NF) of the LNA.

The SKY67102-396LF operates in the frequency range of 2.0 to

3.0 GHz with proper tuning. For lower frequency operation, the

pin-compatible SKY67100-396LF or SKY67101-396LF should be

used.

The LNA is manufactured in a compact, 2 x 2 mm, 8-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 Table 1.

DATA SHEET • SKY67102-396LF HIGH LINEARITY, ACTIVE BIAS LNA

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

2 September 28, 2011 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201631B

Table 1. SKY67102-396LF Signal Descriptions

Pin # Name Description Pin # Name Description

1 N/C No connection. May be connected to ground

with no change in performance.

5 FEEDBACK LNA external gain control. Connect to

RFOUT using a series RD network.

2 RFIN RF input. DC blocking capacitor required. 6 N/C No connection. May be connected to ground

with no change in performance.

3 RFGND RF ground. Connect to ground through a

capacitor.

7 RFOUT/VDD RF output. Apply VDD through RF choke

inductor. DC blocking capacitor required.

4 VIN LNA supply current. Connect through series

resistor to VDD.

8 N/C No connection. May be connected to ground

with no change in performance.

Table 2. SKY67102-396LF Absolute Maximum Ratings

Parameter Symbol Minimum Typical Maximum Units

Supply voltage VDD 5.5 V

Supply current IDD 100 mA

RF input power PIN +20 dBm

Storage temperature TSTG –65 +25 +125 °C

Operating temperature TA –40 +25 +85 °C

Junction temperature TJ +150 °C

Notes: 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.

Thermal resistance = 83 °C/W @ 4 V bias.

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. The

SKY67102-396LF is a Human Body Model (HBM) Class 1A ESD device.

Electrical and Mechanical Specifications

The absolute maximum ratings of the SKY67102-396LF are

provided in Table 2. Electrical specifications are provided in

Table 3.

Typical performance characteristics of the SKY67102-396LF are

illustrated in Figures 3 through 14.

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