HMC685LP4E
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Analog Devices Inc. HMC685LP4E

Manufacturer No:
HMC685LP4E
Manufacturer:
Analog Devices Inc.
Package:
Strip
Description:
IC MMIC MIXER LO AMP 24-QFN
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The HMC685LP4E is a high dynamic range passive MMIC (Monolithic Microwave Integrated Circuit) mixer with an integrated LO (Local Oscillator) amplifier, designed and manufactured by Analog Devices Inc. This component is housed in a 4x4 mm SMT (Surface Mount Technology) QFN package and operates within the frequency range of 1.7 to 2.2 GHz. It is particularly optimized for low side LO input and supports both upconversion and downconversion applications. The mixer is known for its excellent input IP3 (Third-Order Intercept Point) performance of +35 dBm, making it suitable for various wireless communication systems such as 3G, LTE, WiMAX, and 4G GSM/CDMA applications.

Key Specifications

Parameter Min. Typ. Max.
Frequency Range, RF 1.7 GHz - 2.2 GHz
Frequency Range, LO 1.5 GHz - 2.2 GHz
Frequency Range, IF DC - 500 MHz
Conversion Loss 8 dB 10 dB 8 dB
Noise Figure (SSB) 8 dB 8 dB 8 dB
LO to RF Isolation 22 dB 30 dB 34 dB
LO to IF Isolation 24 dB 30 dB 32 dB
RF to IF Isolation 30 dB 42 dB 43 dB
IP3 (Input) 35 dBm 34 dBm 32 dBm
1 dB Compression (Input) 25 dBm 24 dBm 23 dBm
LO Drive Input Level (Typical) -6 dBm - +3 dBm
Supply Current Icc total 120 mA 140 mA 70 mA

Key Features

  • High dynamic range passive MMIC mixer with integrated LO amplifier.
  • Operates within the frequency range of 1.7 to 2.2 GHz.
  • Excellent input IP3 performance of +35 dBm.
  • Conversion loss of 8 dB typical.
  • Adjustable supply current (Icc total: 120 mA, 140 mA, 90 mA, 70 mA).
  • 24-lead 4x4 mm SMT QFN package.
  • Optimized for low side LO input and supports both upconversion and downconversion applications.
  • High input 1 dB compression of +27 dBm.

Applications

  • Cellular/3G & LTE/WiMAX/4G systems.
  • Basestations and Repeaters.
  • GSM, CDMA, and OFDM applications.
  • Transmitters and Receivers.

Q & A

  1. What is the frequency range of the HMC685LP4E?

    The HMC685LP4E operates within the frequency range of 1.7 to 2.2 GHz for RF, 1.5 to 2.2 GHz for LO, and DC to 500 MHz for IF.

  2. What is the typical conversion loss of the HMC685LP4E?

    The typical conversion loss is 8 dB.

  3. What is the input IP3 performance of the HMC685LP4E?

    The input IP3 performance is +35 dBm.

  4. What is the package type and size of the HMC685LP4E?

    The component is housed in a 24-lead 4x4 mm SMT QFN package.

  5. What are the typical supply current values for the HMC685LP4E?

    The supply current values are 120 mA, 140 mA, 90 mA, and 70 mA.

  6. What are the key applications of the HMC685LP4E?

    The key applications include cellular/3G & LTE/WiMAX/4G systems, basestations, repeaters, GSM, CDMA, OFDM, and transmitters and receivers.

  7. Is the HMC685LP4E still in production?

    No, the HMC685LP4E is no longer manufactured and is listed as obsolete.

  8. What is the characteristic impedance of the HMC685LP4E?

    The characteristic impedance is 50 ohms.

  9. How does the HMC685LP4E perform in terms of LO to RF isolation?

    The LO to RF isolation is typically 30 dB, with a minimum of 22 dB and a maximum of 34 dB.

  10. What is the typical noise figure of the HMC685LP4E?

    The typical noise figure is 8 dB.

Product Attributes

RF Type:LTE, WiMax
Frequency:1.7GHz ~ 2.2GHz
Number of Mixers:1
Gain:- 
Noise Figure:8dB
Secondary Attributes:Up/Down Converter
Current - Supply:120mA
Voltage - Supply:4.75V ~ 5.25V
Mounting Type:Surface Mount
Package / Case:24-VFQFN Exposed Pad
Supplier Device Package:24-QFN (4x4)
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In Stock

$22.48
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Same Series
HMC685LP4E
HMC685LP4E
IC MMIC MIXER LO AMP 24-QFN

Similar Products

Part Number HMC685LP4E HMC689LP4E HMC687LP4E HMC688LP4E HMC615LP4E HMC665LP4E HMC684LP4E
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
RF Type LTE, WiMax LTE, WiMax LTE, WiMax LTE, WiMax WiMAX / WiBro LTE, WiMax LTE, WiMax
Frequency 1.7GHz ~ 2.2GHz 2GHz ~ 2.7GHz 1.7GHz ~ 2.2GHz 2GHz ~ 2.7GHz 2.3GHz ~ 4GHz 700MHz ~ 1.2GHz 700MHz ~ 1GHz
Number of Mixers 1 1 1 1 1 1 1
Gain - - - - - 10dB -
Noise Figure 8dB 7.5dB 8dB 8dB 10dB 10dB 7dB
Secondary Attributes Up/Down Converter Up/Down Converter Up/Down Converter Up/Down Converter Up/Down Converter Up/Down Converter Up/Down Converter
Current - Supply 120mA 152mA 120mA 140mA 65mA 150mA 85mA
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 5V 5V 4.75V ~ 5.25V
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad
Supplier Device Package 24-QFN (4x4) 24-QFN (4x4) 24-QFN (4x4) 24-QFN (4x4) 24-QFN (4x4) 24-QFN (4x4) 24-QFN (4x4)

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