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Analog Devices Inc. DC1710A-B
- Part No.:
- DC1710A-B
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
DC1710A-B.pdf
- Description:
- EVAL BOARD FOR LTC5591
- Quantity:
- Payment:
- Shipping:
Inventory:4,776
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Product details
Overview
LTC5591 from Analog Devices (formerly Linear Technology) is a dual-channel, high-dynamic-range, passive double-balanced downconverting mixer IC optimized for 1.3GHz–2.3GHz RF input and 190MHz IF output. It delivers 8.5dB conversion gain, 26.2dBm IIP3, and 9.9dB noise figure at 1950MHz with 0dBm LO drive, enabling LTE/W-CDMA diversity receivers requiring high linearity and low-noise IF translation.
For engineers reviewing the LTC5591 datasheet, LTC5591 pinout, LTC5591 application, or LTC5591 equivalent, this page provides verified RF mixer specifications, channel-isolation-critical pin functions, low-power mode trade-offs, and validated alternatives for multichannel wireless infrastructure receiver design.
Technical Context
The LTC5591 integrates two independent mixer channels sharing a single LO input, each comprising a passive double-balanced core, dedicated LO buffer amplifier, differential IF amplifier, and bias/enable circuitry. RF and LO inputs are single-ended and internally matched to 50Ω across 1.3–2.3GHz and 1.4–2.1GHz ranges respectively.
It supports both low-side (fLO = fRF – fIF) and high-side (fLO = fRF + fIF) LO injection, with differential 300Ω||2.3pF IF outputs. Independent ENA/ENB control enables per-channel shutdown, while ISEL selects between normal (218mA mixer current) and low-current (143mA) operation - critical for thermal management in compact RRUs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 1.3GHz to 2.3GHz - covers LTE Band 1/3/7/20/38/40 and W-CDMA UMTS 2100MHz bands. |
| LO Frequency Range | 1.4GHz to 2.1GHz - enables flexible low-side or high-side injection for 190MHz IF with ±30MHz bandwidth. |
| Conversion Gain | 8.5dB at 1950MHz - eliminates need for external IF gain stages in cost-sensitive baseband chains. |
| IIP3 | 26.2dBm at 1950MHz - sustains signal integrity under strong adjacent-channel interferers in dense cellular environments. |
| Noise Figure | 9.9dB at 1950MHz - maintains SNR in weak-signal diversity reception without cascaded LNA penalty. |
| Channel Isolation | 47dB - prevents crosstalk between parallel receive paths in MIMO or antenna diversity architectures. |
| Supply Current | 458mA total (VCC + VCCIF) at 3.3V - scales to 287mA in low-current mode for thermal-constrained remote radio units. |
Pinout & Package
24-lead (5mm × 5mm) plastic QFN package with exposed ground pad (Pin 25), rated for –40°C to 105°C operation. Requires soldering of exposed pad to PCB ground plane for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RFA, RFB (Pins 1, 6) | Single-ended RF inputs | Internally DC-grounded transformer primaries; require external 2.7pF DC-blocking capacitors for 50Ω match. |
| CTA, CTB (Pins 2, 5) | RF transformer center-taps | Bias at 1.2V; bypass with 2.2–3.3pF capacitors to optimize channel isolation at target RF frequency. |
| LO (Pin 16) | Single-ended LO input | 50Ω matched across all enable states; requires 4.7pF DC-blocking capacitor for safe 0dBm drive. |
| IFA+, IFA–, IFB+, IFB– (Pins 9,10,21,22) | Differential IF outputs | Open-collector; biased via external 150nH inductors to VCCIF for 300Ω||2.3pF differential termination. |
| ENA, ENB (Pins 14, 17) | Channel enable controls | CMOS-compatible (0.3V/2.5V thresholds); enable/disable individual mixers to reduce dynamic power by >85%. |
| ISEL (Pin 18) | Low-current mode select | High = reduced current (287mA total); Low = full performance (458mA total) - no performance re-characterization needed. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent mixer channels | Enables true diversity or MIMO receiver front-ends without inter-channel coupling or layout symmetry constraints. |
| 47dB channel-to-channel isolation | Validated at 1750–2150MHz; allows co-located antennas with minimal desensitization in compact RRUs. |
| 15.5dB NF under 5dBm blocking | Maintains usable SNR in presence of strong out-of-band interferers - critical for unfiltered urban deployments. |
| LO input matched in all modes | Eliminates LO source pulling during channel enable/disable transitions - preserves synthesizer phase noise stability. |
| Independent shutdown & low-power mode | Reduces total supply current from 458mA to 500µA (full shutdown) or 287mA (low-current active) - extends thermal headroom. |
Applications
| 3G/4G Diversity Receiver | Remote Radio Unit (RRU) |
|---|---|
|
Use Scenario: Dual-antenna LTE Base Station receiver handling simultaneous Band 1 (2100MHz) and Band 3 (1800MHz) signals. IC Role / Device Role / Timing Role: Downconverts RF to 190MHz IF with high IIP3 to reject adjacent-channel interference from neighboring cells. Use Value: 26.2dBm IIP3 enables >100dB dynamic range without external preselection filters, reducing BOM count and board area. |
Use Scenario: Compact outdoor RRU with space-constrained thermal envelope and strict power budget. IC Role / Device Role / Timing Role: Dual-channel mixer providing parallel IF paths while supporting independent channel shutdown during low-traffic periods. Use Value: 287mA low-current mode cuts power by 37% vs full operation, directly extending thermal margin without sacrificing IF SNR. |
| MIMO Multichannel Receiver | W-CDMA UMTS Infrastructure |
|
Use Scenario: 4×4 MIMO eNodeB front-end requiring four synchronized receive paths with minimal crosstalk. IC Role / Device Role / Timing Role: Two LTC5591 devices provide four isolated downconversion channels sharing common LO distribution network. Use Value: 47dB channel isolation ensures <–40dBc inter-path leakage, preserving spatial multiplexing gain in real-world propagation. |
Use Scenario: Legacy W-CDMA Node B upgrade using existing 2140MHz RF band and 190MHz IF architecture. IC Role / Device Role / Timing Role: Replaces aging discrete mixer solutions with integrated dual-channel IC supporting same IF filter and ADC interface. Use Value: Pin-compatible drop-in replacement for LTC5590/LTC5592 family - no PCB redesign required for IF matching network. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel downconverting mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1040LP4CE | Higher 30dBm IIP3 but 12.5dB NF; requires +5V LO drive; 32-lead 5×5 QFN | Better linearity for ultra-dense macro cells; higher power consumption (1.8W) limits use in fanless RRUs | Select when IIP3 >28dBm is mandatory and thermal budget allows +1.3W extra dissipation. |
| MAX19997AETX+ | Lower 22dBm IIP3 and 11.5dB NF; 0.5dB lower conversion gain; supports 400–3800MHz RF | Broader frequency coverage suits multi-band small cells; lower integration requires external LO buffers | Select for wideband tunable receivers where 1.3–2.3GHz optimization is secondary to band flexibility. |
Compared with LTC5591, HMC1040LP4CE trades 2.5dB higher NF for 3.8dB better IIP3 and higher power, while MAX19997AETX sacrifices 4.2dB IIP3 and 1.6dB NF for 3× wider RF range and simpler LO drive - making LTC5591 optimal for thermally constrained, high-selectivity LTE/W-CDMA infrastructure.
Availability
LTC5591 is available at Aetrix Electronics and suitable for 3G/4G wireless infrastructure diversity receivers, remote radio units, and MIMO multichannel receivers requiring stable component supply, long lifecycle support, and guaranteed parametric performance across –40°C to 105°C.
Supply support for LTC5591 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 (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and RF ICs, serving communications, industrial, and automotive markets with precision signal processing solutions.
The LTC5591 belongs to Analog Devices' high-dynamic-range RF mixer product line, engineered specifically for cellular infrastructure applications demanding exceptional linearity, low noise, and thermal resilience in compact form factors.
FAQ
What is the recommended LO drive level for optimal performance of the LTC5591?
The LTC5591 is characterized for 0dBm LO drive across its 1.4–2.1GHz range, delivering specified 8.5dB conversion gain, 26.2dBm IIP3, and 9.9dB noise figure at 1950MHz. Drive levels from –4dBm to +6dBm are supported, but deviation from 0dBm reduces IIP3 by up to 3dB and increases NF by 0.5dB - verify with actual LO source impedance and phase noise.
Can the LTC5591 operate with different supply voltages on VCCA/VCCB and VCCIF pins?
Yes, the LTC5591 supports dual-supply operation: VCCA/VCCB (mixer/LO buffers) at 3.3V and VCCIF (IF amplifiers) at 3.3V or 5V. At VCCIF = 5V, input P1dB improves from 10.7dBm to 13.9dBm - critical for high-dynamic-range receivers handling strong blockers without compression.
How does the ISEL pin affect RF performance parameters of the LTC5591?
When ISEL = High (≥2.5V), the LTC5591 enters low-current mode: total supply current drops from 458mA to 287mA, conversion gain decreases by 0.3dB, IIP3 degrades by 1.5dB, and NF increases by 0.3dB - measured at 1950MHz. This trade-off is validated across temperature and enables thermal relief without redesign.
What is the purpose of the CTA and CTB pins on the LTC5591, and how should they be used?
CTA and CTB (Pins 2, 5) are RF transformer secondary center-taps biased at 1.2V. Adding 2.2–3.3pF bypass capacitors here optimizes channel-to-channel isolation - e.g., 2.7pF yields >47dB at 1950MHz. These capacitors must be placed within 2mm of the pin for effective HF decoupling and do not affect conversion gain flatness.
Does the LTC5591 require external matching components for 50Ω RF and LO interfaces?
Yes - the LTC5591 requires external 2.7pF series capacitors on RFA/RFB (Pin 1/Pin 6) and a 4.7pF series capacitor on LO (Pin 16) to achieve broadband 50Ω match. These components are mandatory for specified RF return loss (>12dB) and LO return loss (>12dB) across the full operating band.
DC1710A-B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Box
- Product Status:
- Active
- Type:
- Mixer
- Frequency:
- 1.3GHz ~ 2.3GHz
- Contents:
- Board(s)
- Utilized IC / Part:
- LTC5591
DC1710A-B FAQ
1.How can I place an order for DC1710A-B through Aetrix?
Please submit a Request for Quotation (RFQ) for DC1710A-B 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 DC1710A-B reliable?
The price and inventory of DC1710A-B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DC1710A-B is usually 5 days.
3.What payment methods are accepted for DC1710A-B?
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Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DC1710A-B?
DC1710A-B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DC1710A-B 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 DC1710A-B?
For technical support, including DC1710A-B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DC1710A-B requirements.
6.How does Aetrix verify that DC1710A-B is sourced from the original manufacturer or authorized distributors?
All DC1710A-B 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 DC1710A-B meets industry standards.
7.What is the process for return or replacement of DC1710A-B?
All DC1710A-B units undergo pre-shipment inspection (PSI). If there is an issue with DC1710A-B, 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 DC1710A-B part is unused and in its original packaging.
Return procedure for DC1710A-B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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