Datasheet > 628LP4E

628LP4E

更新时间： 2024-11-16 08:00:23

品牌	Logo	应用领域
HITTITE		放大器
页数	文件大小	规格书
14页	617K
描述
BiCMOS MMIC 5-Bit DIGITAL VARIABLE GAIN AMPLIFIER, 50 - 800 MHz

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628LP4E 数据手册

HMC628LP4 / 628LP4E

v07.0410

BiCMOS MMIC 5-Bit DIGITAL

VARIABLE GAIN AMPLIFIER, 50 - 800 MHz

Typical Applications

The HMC628LP4(E) is ideal for:

• Cellular/3G Infrastructure

• WiBro / WiMAX / 4G

Features

TTL/CMOS compatible serial, parallel or latched

parallel control interface

High Output IP3: +35 dBm (At all gain settings)

Wide Gain Control Range: 23 dB

• Microwave Radio & VSAT

• Test Equipment and Sensors

• IF & RF Applications

Power-up State Selection

24 Lead 4x4 mm SMT Package: 16 mm²

Excellent State & Step Accuracy ( 0.05 dB)

General Description

Functional Diagram

The HMC628LP4(E) is a digitally controlled variable

gain ampliﬁer which operates from 50 to 800 MHz,

and can be programmed to provide anywhere from

8 dB attenuation, to 15 dB of gain, in 1.0 dB steps.

The HMC628LP4(E) delivers noise ﬁgure of 5 dB in its

maximum gain state, with output IP3 of up to +35 dBm

in any state. The dual mode control interface is CMOS/

TTL compatible, and accepts either a three wire serial

input or a 5 bit parallel word. The HMC628LP4(E) also

features a user selectable power up state and a serial

output port for cascading other Hittite serial controlled

components. The HMC628LP4(E) is housed in a

RoHS compliant 4x4 mm QFN leadless package, and

is available in three evaluation board conﬁgurations,

depending on the application frequency.

Electrical Speciﬁcations, T_A= +25° C, 50 Ohm System, Vdd= +5V

50 - 250

Typ.

250 - 500

Typ.

500 - 800

MHz

Units

Parameter

Min.

Max.

Min.

12.8

Max.

Min.

10.5

Typ.

Max.

Gain (Maximum Gain State)

Gain Control Range

Input Return Loss

Output Return Loss

12.5

(0.1 + 1% of Gain

Setting )Max

(0.4 + 2% of Gain

Setting )Max

(0.4 + 4% of Gain

Setting )Max

Gain Accuracy: (Referenced to Maximum Gain State)

Output Power for 1dB Compression

Output Third Order Intercept Point

Output Second Order Intercept Point

19.5

dBm

[1]

[2]

[3]

[1]

[2]

[3]

2nd

3rd

dBc

Harmonics

Switching Characteristics

tRISE, tFALL (10 / 90% RF)

tON, tOFF ( Latch Enable to 10 / 90% RF)

Noise Figure

6.5

Supply Current (Idd)

[1] Two-Tone Output Power @ 5 dBm

[2] Two-Tone Output Power @ 2 dBm

[3] Two-Tone Output Power @ 0 dBm

For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824

Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

12 - 34

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