My Inquiry
My Account
Analog Devices Inc. HMC377QS16GE
- Part No.:
- HMC377QS16GE
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- 16-SSOP (0.154", 3.90mm Width) Exposed Pad
- Datasheet:
-
HMC377QS16GE.pdf
- Description:
- IC DOWNCONVERTER HI-IP3 16-QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,308
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
HMC377QS16GE from Analog Devices (formerly Hittite Microwave) is a monolithic GaAs MMIC downconverter IC designed for cellular infrastructure receivers operating in the 0.8–1.0 GHz RF band. It integrates a high-linearity mixer and IF amplifier, delivering +15 dBm input IP3, 13.5 dB conversion gain, and 11 dB SSB noise figure at +5 V/135 mA, with -5 dBm LO drive and no external baluns required.
For engineers reviewing the HMC377QS16GE datasheet, HMC377QS16GE pinout, HMC377QS16GE application, or HMC377QS16GE equivalent, key selection criteria include its 50–250 MHz tunable IF bandwidth, 83–95 dB RF-to-IF isolation, RoHS-compliant QSOP-16 package, and suitability for GSM/CDMA/GPRS/EDGE base station front-ends where high IP3 and low noise are critical.
Technical Context
The HMC377QS16GE implements a single-ended RF/LO architecture with integrated LO amplification and IF buffering, eliminating need for external baluns or IF transformers. Its RF and LO ports are DC-coupled and internally matched to 50 Ω across 0.8–1.0 GHz, while IF output supports 50–250 MHz with external LC tuning networks.
It uses separate bias paths for LO and IF stages: Vdd_LO1 (Pin 3), Vdd_LO2 (Pin 5), and Vdd_IF (Pin 6) enable independent supply optimization, and IF Bias (Pin 8) allows DC gain control of the IF amplifier stage. Thermal resistance is 57.3 °C/W (junction-to-lead), supporting operation from -40°C to +85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 0.8–1.0 GHz - Fully specified linear operation for cellular bands including GSM900 and DCS1800 uplink. |
| Input IP3 | +15 dBm typ - Enables robust handling of strong adjacent-channel interferers in multi-carrier base stations. |
| Conversion Gain | 13.5 dB typ - Reduces need for post-IF amplification stages in receiver signal chains. |
| Noise Figure (SSB) | 11 dB typ - Maintains system sensitivity in high-gain, low-noise receiver architectures. |
| LO Drive Level | -5 dBm typ - Compatible with low-power LO synthesizers without requiring external buffer amplifiers. |
| Supply Voltage / Current | +5 V @ 135 mA - Single positive rail simplifies power design; current stable across temperature and supply variation. |
| IF Frequency Range | 50–250 MHz - Supports multiple IF standards (e.g., 70 MHz, 120 MHz, 170 MHz) via external LC tuning per application circuit. |
| RF-to-IF Isolation | 83–95 dB - Minimizes LO feedthrough and self-interference in direct-conversion or IF-sampling architectures. |
Pinout & Package
Package: RoHS-compliant QSOP-16 (Quad Small Outline Package), 5.3 mm × 10.2 mm body, 100% matte tin lead finish, MSL1 rating, max reflow 260°C. Exposed ground paddle requires soldering to PCB RF ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 7, 9, 14, 16 | No Connection | Internally unconnected; may be tied to RF ground without performance impact. |
| 2 | LO Input | DC-coupled 50 Ω port; requires external 100 pF series AC-blocking capacitor (C9). |
| 3 | Vdd_LO1 | LO amplifier bias rail; requires external 56 nH inductor (L3), 22 Ω resistor (R2), and 0.01 μF bypass (C8). |
| 5 | Vdd_LO2 | Secondary LO amplifier supply; requires 0.01 μF RF bypass capacitor (C3). |
| 6 | Vdd_IF | IF amplifier bias rail; requires 0.01 μF RF bypass capacitor (C2). |
| 8 | IF Bias | DC bias control node for IF amplifier gain; configured with external R1/C1 network. |
| 10 | IF Output | Differential-capable single-ended IF output; requires pull-up inductor (L1), matching network (C5–C7, L2/L4), and 0.01 μF bypass (C4). |
| 11, 12, 13 | GND | RF/DC ground terminals; must connect directly to PCB ground plane; backside exposed slug must also be soldered. |
| 15 | RF Input | DC-coupled 50 Ω port; matched across full 0.8–1.0 GHz band; no external matching required. |
Key Features
| Feature | Design Value |
|---|---|
| No external balun required | Integrated single-ended RF/LO interface eliminates discrete baluns, reducing BOM count and layout area. |
| +15 dBm input IP3 | Enables operation in dense spectral environments like macrocell base stations without desensitization. |
| 11 dB SSB noise figure | Preserves receiver dynamic range and weak-signal detectability in multi-channel FDD systems. |
| 50–250 MHz tunable IF | Supports flexible IF planning across legacy and emerging standards via simple capacitor swaps (C6/C7). |
| RoHS-compliant QSOP-16 | Lead-free assembly compatible with standard Pb-free reflow profiles (260°C peak). |
| -5 dBm LO drive sensitivity | Lowers LO chain power consumption and simplifies synthesizer selection in compact RF modules. |
Applications
| GSM Base Station Receiver | CDMA Infrastructure Front-End |
|---|---|
Use Scenario: Downconversion of 890–915 MHz GSM uplink signals to 70 MHz IF in macrocell BTS transceivers. IC Role / Device Role / Timing Role: Primary RF-to-IF downconverter with integrated LO amplification and IF gain staging. Use Value: +15 dBm IP3 prevents intermodulation distortion from co-located transmitters; 11 dB NF maintains EVM compliance under low-SNR conditions. | Use Scenario: IF translation of 824–849 MHz CDMA uplink signals to 120 MHz IF in distributed antenna systems (DAS). IC Role / Device Role / Timing Role: High-dynamic-range mixer core enabling simultaneous multi-user reception without cross-talk. Use Value: 83–95 dB RF-to-IF isolation suppresses LO leakage into sensitive ADC inputs; 13.5 dB gain reduces cascaded noise contribution. |
| GPRS/EDGE Packet Data Receiver | Wireless Data CDPD Front-End |
Use Scenario: Multi-mode receiver processing GPRS/EDGE burst traffic in 880–915 MHz band with variable IF tuning. IC Role / Device Role / Timing Role: Reconfigurable downconverter supporting 70 MHz and 170 MHz IF outputs via C6/C7 capacitor selection. Use Value: Tunable IF bandwidth (50–250 MHz) accommodates both narrowband GPRS and wideband EDGE modulation spectra. | Use Scenario: Legacy CDPD (Cellular Digital Packet Data) receiver downconverting 800–820 MHz signals to 247 MHz IF in public safety networks. IC Role / Device Role / Timing Role: High-isolation mixer minimizing adjacent-channel interference in shared spectrum deployments. Use Value: 63–75 dB LO-to-IF isolation prevents LO harmonics from corrupting packet demodulation; -40°C to +85°C operation ensures field reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar downconverter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC420QS16G | Higher IF range (up to 400 MHz), +17 dBm IP3, +5.5 dBm P1dB, but requires higher LO drive (-3 dBm typical). | Better suited for wideband IF architectures (e.g., 240–350 MHz) and higher dynamic range requirements. | Select HMC420QS16G when wider IF bandwidth or >+15 dBm IP3 is mandatory; verify LO source capability. |
| ADL5360ACPZ-R7 | SiGe BiCMOS process, 700–1000 MHz RF range, +22 dBm IP3, 14.5 dB gain, but consumes 200 mA at +5 V and requires external balun. | Offers superior linearity for LTE-A carrier aggregation, but adds balun complexity and higher power draw. | Choose ADL5360ACPZ-R7 only if +22 dBm IP3 justifies added board area and power; HMC377QS16GE remains optimal for cost-sensitive GSM/CDMA designs. |
Compared with HMC420QS16G and ADL5360ACPZ-R7, the HMC377QS16GE provides the best balance of proven cellular-band linearity (+15 dBm IP3), low LO drive (-5 dBm), and minimal external component count-making it ideal for volume-deployed 2G/2.5G infrastructure where reliability and manufacturability outweigh marginal IP3 gains.
Availability
HMC377QS16GE is available at Aetrix Electronics and suitable for GSM infrastructure, CDMA base stations, GPRS/EDGE radio units, and wireless data CDPD equipment requiring stable component supply across extended product lifecycles.
Supply support for HMC377QS16GE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and RF ICs, serving communications, industrial, and aerospace markets with precision signal processing solutions.
The HMC377QS16GE belongs to Analog Devices' legacy Hittite Microwave RFIC portfolio, engineered specifically for high-reliability, high-linearity cellular infrastructure downconversion-prioritizing IP3, noise figure, and integration over general-purpose flexibility.
FAQ
What is the RF frequency range supported by the HMC377QS16GE?
The HMC377QS16GE operates over an RF frequency range of 0.8–1.0 GHz, fully characterized and optimized for GSM900 and DCS1800 uplink bands. Performance metrics-including conversion gain, IP3, and noise figure-are guaranteed across this band at +25°C, with validated operation from -40°C to +85°C. The HMC377QS16GE does not support frequencies outside this range without derating or external tuning.
Does the HMC377QS16GE require an external balun for RF or LO input?
No, the HMC377QS16GE does not require an external balun. Its RF and LO inputs are DC-coupled and internally matched to 50 Ω across the full 0.8–1.0 GHz band. This eliminates balun components, reduces PCB area, and improves repeatability in high-volume manufacturing. The HMC377QS16GE achieves this through monolithic GaAs MMIC design with on-chip impedance transformation.
What is the recommended LO drive level for optimal performance of the HMC377QS16GE?
The HMC377QS16GE is optimized for -5 dBm LO drive, delivering nominal conversion gain (13.5 dB), +15 dBm input IP3, and 11 dB noise figure at this level. LO drive may range from -10 dBm to 0 dBm per specifications, but deviation below -5 dBm reduces gain and IP3, while exceeding 0 dBm risks compression or reliability degradation. The HMC377QS16GE's low LO sensitivity simplifies synthesizer selection in power-constrained designs.
How is the IF output tuned for different intermediate frequencies on the HMC377QS16GE?
The HMC377QS16GE supports IF frequencies from 50 MHz to 250 MHz using external LC matching networks on Pin 10 (IF Output). Per the application circuit, capacitor values C6 and C7 are selected based on target IF: e.g., 150 pF for 70 MHz, 56 pF for 120 MHz, 27 pF for 170 MHz, and 12 pF for 247 MHz. The HMC377QS16GE's IF amplifier bias (Pin 8) and output network (L1, L2, L4, C5–C7) must be jointly tuned for maximum gain and return loss at each IF.
What thermal considerations apply to the HMC377QS16GE during PCB layout?
The HMC377QS16GE has a junction-to-lead thermal resistance of 57.3 °C/W and requires direct soldering of all ground pins (11, 12, 13) and the exposed backside ground paddle to a continuous, low-impedance RF/DC ground plane. At 135 mA and +5 V, power dissipation is ~0.675 W; above 85°C ambient, derating is 17.4 mW/°C. The HMC377QS16GE's thermal performance depends critically on via density under the paddle and copper area-minimum 4× thermal vias recommended per datasheet guidelines.
HMC377QS16GE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width) Exposed Pad
- Packaging:
- Strip
- Product Status:
- Obsolete
- RF Type:
- General Purpose
- Frequency:
- 800MHz ~ 1GHz
- Number of Mixers:
- 1
- Gain:
- 14dB
- Noise Figure:
- 11dB
- Secondary Attributes:
- Down Converter
- Current - Supply:
- 135mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP-EP
HMC377QS16GE FAQ
1.How can I place an order for HMC377QS16GE through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC377QS16GE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for HMC377QS16GE reliable?
The price and inventory of HMC377QS16GE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC377QS16GE is usually 5 days.
3.What payment methods are accepted for HMC377QS16GE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC377QS16GE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC377QS16GE?
HMC377QS16GE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC377QS16GE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for HMC377QS16GE?
For technical support, including HMC377QS16GE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC377QS16GE requirements.
6.How does Aetrix verify that HMC377QS16GE is sourced from the original manufacturer or authorized distributors?
All HMC377QS16GE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HMC377QS16GE meets industry standards.
7.What is the process for return or replacement of HMC377QS16GE?
All HMC377QS16GE units undergo pre-shipment inspection (PSI). If there is an issue with HMC377QS16GE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The HMC377QS16GE part is unused and in its original packaging.
Return procedure for HMC377QS16GE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
HMC377QS16GE Tags
-
MAX2671EUT+T
Analog Devices Inc./Maxim Integrated
-
ADEX-10+
Mini-Circuits
-
ADE-2+
Mini-Circuits
-
ADE-1+
Mini-Circuits
-
LT5560EDD#PBF
Analog Devices Inc.
-
LT5560EDD#TRPBF
Analog Devices Inc.
-
LTC5562IUC#TRPBF
Analog Devices Inc.
-
MAX2681EUT+T
Analog Devices Inc./Maxim Integrated
-
ADE-1ASK+
Mini-Circuits
-
ADE-1L+
Mini-Circuits
-
ADL5350ACPZ-R7
Analog Devices Inc.
-
AD608ARZ-RL
Analog Devices Inc.
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
