HMC708LP5E

HMC708LP5E Datasheet


HMC708LP5 / 708LP5E

Part Datasheet
HMC708LP5E HMC708LP5E HMC708LP5E (pdf)
Related Parts Information
120493-HMC708LP5 120493-HMC708LP5 120493-HMC708LP5
PDF Datasheet Preview
HMC708LP5 / 708LP5E
v04.0112
dB LSB 6-BIT DIGITAL

VARIABLE GAIN AMPLIFIER, 1700 - 2200 MHz

VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT

The HMC708LP5 E is ideal for
• Cellular Infrastructure
• WiBro, WiMAX and LTE/ 4G
• Microwave Radio & VSAT
• Test Equipment and Sensors

Functional Diagram
to +29 dB Gain Control in dB Steps

Power-up State Selection

High Output IP3 +37 dBm

Low Noise Figure 1 dB

TTL/CMOS Compatible Serial, Parallel, or Latched Parallel Control
dB Typical Step Error

Single +3V and +5V Supply 32 Lead 5x5mm SMT Package 25mm2

The HMC708LP5 E is a digitally controlled variable gain amplifier which operates from 1700 MHz and 2200 GHz, and can be programmed to provide between dB attenuation and +29 dB of gain, in dB steps. The HMC708LP5 E delivers noise figure of 1 dB in its maximum gain state, with output IP3 of up to +37 dBm. The dual mode gain control interface accepts either three wire serial input or 6 bit parallel word. The HMC708LP5 E also features a user selectable power up state and a serial output for cascading other Hittite serially controlled components. For 900 MHz applications please refer to the HMC707LP5 E data sheet.

Electrical Specifications, TA = +25° C

Rbias = 270 Ohms for Vdd = +5V, Rbias = 10 kOhms for Vdd = +3V, Vdd = Vdd1 = Vdd2 = Vdd3

Parameter

Min.

Typ.

Max.

Vdd = +3V

Frequency Range

Gain Maximum Gain State

Gain Control Range

Input Return Loss

Output Return Loss

Attenuation Accuracy Referenced to Maximum Gain State
+ 5% of Attenuation Setting

Output Power for 1 dB Compression

Output Third Order Intercept Point Two-Tone Input Power= -10 dBm Each Tone

Noise Figure

Switching Characteristics
tRISE
tRISE, tFALL 50% CTL to 90% RF
tFALL

Current Amplifier 1

Current Amplifier 2
[1] Two-tone output power -10 dBm [2] Two-tone output power -5 dBm

Min.

Typ.
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material Arlon 25FR or Roger 4350

The circuit board used in the application should use RF circuit design techniques. Signal lines should have 50 Ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation circuit board shown is available from Hittite upon request.

For price, delivery and to place orders Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone 978-250-3343 Fax 978-250-3373 Order On-line at

Application Support Phone 978-250-3343 or

Application Circuit

HMC708LP5 / 708LP5E
v04.0112
dB LSB 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 1700 - 2200 MHz

VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT

Note 1 For option 1 Amp1 + 6-bit DAT only remove L4. Move 220pF capacitor 0402 Pkg. from location C10 to C11.

Note 2 For option 2 6-Bit DAT + Amp2 only remove R13, L2, L3 and L5. Move 220pF capacitor 0402 Pkg. from location C8 to C9.

For price, delivery and to place orders Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone 978-250-3343 Fax 978-250-3373 Order On-line at

Application Support Phone 978-250-3343 or
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Datasheet ID: HMC708LP5E 517969