My Inquiry
My Account
Analog Devices Inc. 122174-HMC694LP4
- Part No.:
- 122174-HMC694LP4
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
122174-HMC694LP4.pdf
- Description:
- BOARD EVAL HMC694LP4E
- Quantity:
- Payment:
- Shipping:
Inventory:1,744
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
HMC694LP4 from Analog Devices is a GaAs MMIC analog variable gain amplifier operating from 6 to 17 GHz, delivering up to 22 dB gain, +22 dBm P1dB, and +30 dBm IP3 at maximum gain with 170 mA current draw from a +5 V supply. It features a single gate bias control voltage (Vctrl) enabling 23 dB gain adjustment and is housed in a RoHS-compliant 4×4 mm QFN package for microwave radio, EW/ECM, and X-band radar systems.
For engineers reviewing the HMC694LP4 datasheet, HMC694LP4 pinout, HMC694LP4 application, or HMC694LP4 equivalent, key selection criteria include its broadband 6–17 GHz operation, 23 dB analog gain control range, no external matching requirement, excellent gain flatness (±1 dB), and compatibility with high-volume SMT manufacturing.
Technical Context
The HMC694LP4 integrates a GaAs PHEMT-based three-stage amplifier architecture with independent drain bias (Vdd1/2/3) and dual gate bias (Vgg1/2) terminals for precise DC operating point control. Gain is linearly modulated via analog voltage applied to the Vctrl pin across –3 V to 0 V, enabling continuous gain tuning without digital interface or lookup tables.
Its RF ports (RFIN and RFOUT) are internally matched to 50 Ω with AC coupling, eliminating external matching networks. Thermal design is supported by a low thermal resistance (97.6 °C/W) path from channel to ground paddle, enabling stable operation from –40 °C to +85 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | 6–17 GHz - fully specified performance across full band without band switching or reconfiguration. |
| Gain | 14–22 dB typical - supports flexible system-level gain budgeting across frequency and control voltage. |
| Gain Control Range | 23 dB - enables wide dynamic range signal conditioning in AGC loops and interference mitigation paths. |
| Output P1dB | +22 dBm - delivers high linearity for medium-power transmit/receive chain stages. |
| Output IP3 | +30 dBm - ensures robust two-tone intermodulation suppression in dense RF environments. |
| Noise Figure | 6–7.5 dB - maintains acceptable SNR in receiver front-end and IF amplification roles. |
| Supply Current | 170 mA @ +5 V - defines power envelope for thermal management and LDO sizing in compact RF modules. |
Pinout & Package
The HMC694LP4 is packaged in a 24-lead, 4×4 mm leadless QFN with exposed ground paddle. All ground leads (pads 3, 5, 14, 16) and the paddle must be soldered to PCB RF/DC ground per Analog Devices' land pattern guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RFIN (Pad 4) | RF Input | AC-coupled, internally 50 Ω matched input port; requires no external matching network. |
| RFOUT (Pad 15) | RF Output | AC-coupled, internally 50 Ω matched output port; directly interfaces with subsequent 50 Ω stages. |
| Vctrl (Pad 9) | Analog Gain Control | Single voltage input (–3 V to 0 V) that linearly adjusts gain over 23 dB range without digital logic. |
| Vgg1,2 (Pads 7,12) | Gate Bias Control | Adjustable negative gate voltages (–2 V to 0 V) set quiescent current; critical for Idd stability and P1dB repeatability. |
| Vdd1,2,3 (Pads 19,22,24) | Drain Supply | Three independent +5 V drain bias inputs distribute current and reduce IR drop in high-frequency layout. |
| GND (Pads 3,5,14,16) | RF/DC Ground Reference | Direct connection points to PCB ground plane; essential for return path integrity and EMI suppression. |
Key Features
| Feature | Design Value |
|---|---|
| Wideband 6–17 GHz Operation | Enables single-component replacement across multiple microwave bands (C-, X-, Ku-band), reducing BOM count in multi-band radios. |
| 23 dB Analog Gain Control | Eliminates need for digital DACs, SPI interfaces, or calibration tables-ideal for analog AGC and fast-settling control loops. |
| No External Matching Required | Reduces PCB area, component count, and tuning complexity; accelerates prototyping and production RF layout. |
| Excellent Gain Flatness (±1 dB) | Minimizes frequency-dependent distortion in wideband receivers and broadband test equipment signal paths. |
| RoHS-Compliant 4×4 mm QFN | Supports automated SMT assembly and meets environmental compliance requirements for global deployment. |
Applications
| Point-to-Point Radio | X-Band Radar |
|---|---|
Use Scenario: High-capacity licensed microwave backhaul links operating at 11–13 GHz requiring stable gain and low distortion over temperature. IC Role / Device Role / Timing Role: Intermediate frequency or RF driver amplifier in transmit chain, providing programmable gain before final PA stage. Use Value: 23 dB analog control enables real-time link margin optimization; +30 dBm IP3 suppresses adjacent-channel interference in dense spectrum deployments. | Use Scenario: Pulse-Doppler radar transceiver modules operating at 8–12 GHz where gain consistency and phase stability impact clutter rejection. IC Role / Device Role / Timing Role: Low-noise variable-gain amplifier in receiver LNA/IF chain, supporting adaptive sensitivity control during pulse repetition. Use Value: ±1 dB gain flatness preserves amplitude fidelity across chirp bandwidth; –40 °C to +85 °C operation ensures reliability in airborne and ground-based platforms. |
| EW/ECM Systems | Test & Measurement Equipment |
Use Scenario: Wideband jammer front-ends covering 6–17 GHz needing rapid gain adjustment to match threat signal dynamics. IC Role / Device Role / Timing Role: Fast-response gain control element in programmable attenuator/amplifier stages of electronic warfare payloads. Use Value: Linear Vctrl response allows direct integration with analog control voltages from FPGA DACs or op-amp circuits; no firmware latency. | Use Scenario: Vector network analyzer (VNA) receiver calibration modules requiring repeatable gain and noise performance across sweep frequencies. IC Role / Device Role / Timing Role: Precision reference amplifier in internal signal routing and leveling paths of RF test instrumentation. Use Value: 6–7.5 dB noise figure and +22 dBm P1dB support high-dynamic-range measurements; 24-lead QFN enables consistent RF grounding in metrology-grade PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog variable gain amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC694LP4E | RoHS-compliant version with 100% matte Sn finish and MSL1 rating (260 °C peak reflow); identical electrical specs and pinout. | Required for lead-free manufacturing; same RF performance but different assembly process window. | Select HMC694LP4E for new designs targeting RoHS compliance and Pb-free reflow profiles. |
| HMC996LP5E | Wider 0.1–20 GHz range, higher +24 dBm P1dB, but larger 5×5 mm QFN and 250 mA supply current. | Better suited for ultra-wideband test equipment; less optimal for size-constrained X-band radar modules. | Choose HMC996LP5E when bandwidth extension beyond 17 GHz or higher output power is required, accepting larger footprint and higher power draw. |
Compared with HMC694LP4E, the HMC694LP4 offers identical RF performance but uses Sn/Pb finish and 235 °C reflow-making it suitable for legacy assembly lines. Versus HMC996LP5E, the HMC694LP4 provides tighter size (4×4 mm vs. 5×5 mm) and lower current (170 mA vs. 250 mA) at the cost of 0.1–6 GHz and >17 GHz coverage.
Availability
HMC694LP4 is available at Aetrix Electronics and suitable for point-to-point radio, EW/ECM systems, and X-band radar applications requiring stable component supply, consistent RF performance across temperature, and high-volume surface-mount manufacturability.
Supply support for HMC694LP4 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, automotive, and defense markets with precision signal processing solutions.
The HMC694LP4 belongs to Analog Devices' Hittite Microwave MMIC amplifier product line, engineered specifically for broadband microwave systems demanding high linearity, analog gain control, and ruggedized SMT packaging.
FAQ
What is the operating frequency range of the HMC694LP4?
The HMC694LP4 operates from 6 GHz to 17 GHz with fully characterized gain, linearity, and return loss performance across this entire band. Its broadband capability eliminates the need for band-switched amplifiers in C-, X-, and lower Ku-band systems, and all specifications-including P1dB, IP3, and gain flatness-are guaranteed within this range under standard bias conditions (Vdd = +5 V, Vctrl = –2 V).
How is gain controlled on the HMC694LP4?
The HMC694LP4 uses an analog voltage applied to the Vctrl pin (Pad 9) to control gain continuously from –3 V to 0 V, delivering up to 23 dB of adjustable gain. Unlike digitally controlled VGAs, the HMC694LP4 requires no clock, serial interface, or firmware-enabling sub-microsecond gain settling and seamless integration into analog AGC loops or voltage-programmed test setups.
Does the HMC694LP4 require external matching components?
No, the HMC694LP4 does not require external matching components. Both RFIN (Pad 4) and RFOUT (Pad 15) are internally matched to 50 Ω with integrated AC coupling, allowing direct connection to standard 50 Ω transmission lines and connectors. This simplifies layout, reduces bill-of-materials, and improves repeatability in high-frequency PCB designs.
What are the absolute maximum ratings for the HMC694LP4?
The HMC694LP4 has absolute maximum ratings of +5.5 V for Vdd1/2/3, –3 V to 0 V for Vgg1/2 and Vctrl, +5 dBm maximum RF input power, and –40 °C to +85 °C operating temperature. Exceeding these limits-even momentarily-may cause permanent damage. The device also specifies a channel-to-ground thermal resistance of 97.6 °C/W and a maximum continuous power dissipation of 0.92 W at 85 °C ambient.
Is the HMC694LP4 pin-compatible with the HMC694LP4E?
Yes, the HMC694LP4 and HMC694LP4E share identical pinout, package dimensions (4×4 mm QFN), and electrical specifications. The only differences are RoHS compliance (HMC694LP4E uses 100% matte Sn finish and supports 260 °C reflow), while HMC694LP4 uses Sn/Pb finish rated for 235 °C peak reflow. No PCB layout changes are needed when substituting between them.
122174-HMC694LP4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Box
- Product Status:
- Active
- Type:
- Amplifier
- Frequency:
- 6GHz ~ 17GHz
- Contents:
- Board(s)
- Utilized IC / Part:
- HMC694LP4
122174-HMC694LP4 FAQ
1.How can I place an order for 122174-HMC694LP4 through Aetrix?
Please submit a Request for Quotation (RFQ) for 122174-HMC694LP4 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 122174-HMC694LP4 reliable?
The price and inventory of 122174-HMC694LP4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 122174-HMC694LP4 is usually 5 days.
3.What payment methods are accepted for 122174-HMC694LP4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 122174-HMC694LP4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 122174-HMC694LP4?
122174-HMC694LP4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 122174-HMC694LP4 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 122174-HMC694LP4?
For technical support, including 122174-HMC694LP4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 122174-HMC694LP4 requirements.
6.How does Aetrix verify that 122174-HMC694LP4 is sourced from the original manufacturer or authorized distributors?
All 122174-HMC694LP4 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 122174-HMC694LP4 meets industry standards.
7.What is the process for return or replacement of 122174-HMC694LP4?
All 122174-HMC694LP4 units undergo pre-shipment inspection (PSI). If there is an issue with 122174-HMC694LP4, 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 122174-HMC694LP4 part is unused and in its original packaging.
Return procedure for 122174-HMC694LP4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
122174-HMC694LP4 Tags
-
113991054
Seeed Technology Co., Ltd
-
SC0918
Raspberry Pi
-
113991114
Seeed Technology Co., Ltd
-
ESP32-C6-DEVKITM-1-N4
Espressif Systems
-
ESP32-DEVKITM-1
Espressif Systems
-
C008
M5Stack Technology Co., Ltd.
-
ESP32-C3-DEVKITC-02
Espressif Systems
-
ESP32-C6-DEVKITC-1-N8
Espressif Systems
-
DFR0478
DFRobot
-
102010448
Seeed Technology Co., Ltd
-
ESP32-DEVKITC-32E
Espressif Systems
-
ESP32-DEVKITC-32UE
Espressif Systems
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…
