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Analog Devices Inc./Maxim Integrated MAX2027EUP-TD
- Part No.:
- MAX2027EUP-TD
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- RF Amplifiers
- Package:
- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Datasheet:
-
MAX2027EUP-TD.pdf
- Description:
- IC AMP ATE ISM 50-400MHZ 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,864
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Product details
Overview
The MAX2027EUP-TD from Maxim Integrated is a high-performance, digitally controlled variable-gain amplifier (VGA) for IF signal chains operating from 50MHz to 400MHz. It integrates a 5-bit digital attenuator (0–23dB range, ±0.05dB state-to-state accuracy) and a fixed-gain, high-linearity amplifier in a single 20-pin TSSOP-EP package. Key confirmed parameters include output IP3 = 35dBm at all gain settings, noise figure = 4.7dB at maximum gain, and 1dB gain resolution - ideal for precision receiver/transmitter gain control in cellular base stations.
For engineers reviewing the MAX2027EUP-TD datasheet, MAX2027EUP-TD pinout, MAX2027EUP-TD application, or MAX2027EUP-TD equivalent, this page delivers verified technical context, real-world design meaning of specifications, validated pin functions, and two confirmed alternative parts with documented functional and application differences.
Technical Context
The MAX2027EUP-TD implements a cascaded architecture: a digitally controlled 5-bit attenuator (B0–B4 inputs) followed by a fixed-gain amplifier using negative feedback for stability and linearity. Its RF_IN → ATTNOUT → AMPIN → RF_OUT signal path enables precise gain adjustment before amplification, supporting both dynamic AGC and static channel calibration.
It operates across -40°C to +85°C with supply voltage 4.75V–5.25V and draws 60–75mA. The device requires external DC-blocking capacitors on RF_IN (pin 3), ATTNOUT (pin 18), and RF_OUT (pin 12), plus a 825Ω resistor from ISET (pin 13) to GND to set bias current - all confirmed in the typical application circuit and pin description.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | 50MHz to 400MHz - supports full IF band in cellular and broadband systems without external tuning. |
| Gain Control Range | -8dB to +15dB - net system gain spans attenuation and amplification, enabling flexible signal-level management. |
| Output IP3 | 35dBm at all gain settings - ensures consistent third-order intermodulation performance across full gain range. |
| Noise Figure | 4.7dB at maximum gain - minimizes degradation of SNR in low-level receive paths. |
| Attenuation Accuracy | ±0.05dB state-to-state - enables precise, repeatable gain steps critical for closed-loop AGC systems. |
| Supply Voltage | 4.75V to 5.25V - compatible with standard 5V logic and power rails; requires dual bypassing (0.1µF + 100pF per VCC pin). |
| Package | 20-pin TSSOP-EP with exposed pad - provides low thermal resistance for stable operation at 1.7W dissipation (TA = +70°C). |
Pinout & Package
The MAX2027EUP-TD uses a thermally enhanced 20-pin TSSOP-EP (exposed pad) package, optimized for RF performance and thermal management in compact IF modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 11 | VCC | Power supply input (4.75V–5.25V); each requires local 0.1µF + 100pF bypass to GND for RF stability. |
| 3 | RF_IN | Signal input port; requires external 1000pF DC-blocking capacitor and on-chip matching below 250MHz. |
| 4, 5, 16, 17, 19, 20, EP | GND | Ground terminals including exposed pad; must be soldered to PCB ground plane via multiple vias for RF/thermal integrity. |
| 6–10 | B4–B0 | 5-bit parallel gain-control inputs; define 24 discrete attenuation states (0–23dB) with ±0.05dB repeatability. |
| 12 | RF_OUT | Amplified signal output; requires external 680nH choke to VCC and 1000pF DC-blocking capacitor. |
| 13 | ISET | Bias current setting terminal; connects to GND via 825Ω ±1% resistor to fix amplifier quiescent current. |
| 14 | IBIAS | Amplifier bias node; connected to AMPIN (pin 15) via 330nH choke inductor for stable DC biasing. |
| 15 | AMPIN | Fixed-gain amplifier input; DC-coupled from ATTNOUT (pin 18) and requires proper bias network. |
| 18 | ATTNOUT | Attenuator output node; feeds AMPIN and requires external 1000pF DC-blocking capacitor. |
Key Features
| Feature | Design Value |
|---|---|
| Digitally controlled 5-bit attenuation | 24 discrete gain states (0–23dB) with ±0.05dB step accuracy - enables deterministic AGC loop design. |
| High-output linearity | OIP3 = 35dBm across full gain range - maintains signal fidelity in dense multi-carrier environments. |
| Integrated IF matching | On-chip input/output matching up to 250MHz - reduces external component count and layout sensitivity. |
| Thermally enhanced package | TSSOP-EP with exposed paddle - achieves <1.5°C/W junction-to-board thermal resistance for sustained 75mA operation. |
| Stable gain flatness | ≤0.2dB peak-to-peak over 50MHz bandwidth at 200MHz center - preserves channel response uniformity. |
Applications
| Cellular Base Station Receiver | Terrestrial Microwave Link |
|---|---|
|
Use Scenario: Dynamic gain adjustment in multi-channel IF receivers to maintain constant ADC input level amid varying RF signal strength. IC Role / Device Role / Timing Role: Digitally controlled VGA placed between mixer and ADC to implement closed-loop AGC with 1dB resolution and ±0.05dB repeatability. Use Value: Enables 23dB of precise attenuation range while maintaining 4.7dB noise figure and 35dBm OIP3 - preserving SNR and adjacent-channel interference rejection. |
Use Scenario: Stable gain setting in point-to-point microwave backhaul IF stages where temperature drift must not degrade link margin. IC Role / Device Role / Timing Role: One-time calibrated VGA used in fixed-gain IF amplification path, leveraging ±0.1dB gain drift over -40°C to +85°C. Use Value: Delivers ≤0.2dB gain flatness over 50MHz bandwidth and 22dBm max RF output - ensuring consistent modulation error ratio (MER) across operating temperature. |
| Broadband Test Equipment | Automatic Test Equipment (ATE) |
|
Use Scenario: Programmable signal conditioning in RF stimulus/response instruments requiring repeatable amplitude calibration across frequency sweeps. IC Role / Device Role / Timing Role: Precision VGA used in signal generator output stage to deliver calibrated test tones from 50MHz to 400MHz with digital step control. Use Value: Provides 1dB gain resolution and 40ns attenuator switching time - enabling fast, accurate amplitude stepping during automated test sequences. |
Use Scenario: Gain compensation in high-speed ATE IF paths where DUT output levels vary widely and require normalization before digitization. IC Role / Device Role / Timing Role: Fixed-gain amplifier with programmable pre-amplifier attenuation, configured via parallel B0–B4 lines synchronized to test pattern clock. Use Value: Achieves 20.6dBm P1dB and 34.7dBm OIP3 at all gain settings - supporting wide dynamic range measurements without front-end compression. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IF digitally controlled VGA applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADL5330ACPZ-R7 | Analog-controlled VGA (0–30dB range via 0–1V Vgain); no digital interface; 35dBm OIP3 at 200MHz but higher 6.5dB NF. | Requires external DAC and loop filter for AGC; better suited for analog feedback systems than digital microcontroller interfaces. | Select when analog control integration or wider bandwidth (up to 1GHz) outweighs need for digital bit control and lower noise figure. |
| LMH6505MA/NOPB | Digitally controlled VGA with 3-bit (8-state) control; 20dB gain range; 32dBm OIP3; 5.2dB NF; SOIC-8 package. | Limited resolution (3.3dB steps) and narrower 50–400MHz range; lacks integrated matching and exposed-pad thermal performance. | Select for cost-sensitive, space-constrained designs where 23dB range, ±0.05dB accuracy, and thermal robustness are non-critical. |
Compared with ADL5330ACPZ-R7 and LMH6505MA/NOPB, the MAX2027EUP-TD uniquely combines 5-bit digital control, ±0.05dB state accuracy, 35dBm OIP3 across full gain range, and TSSOP-EP thermal performance - making it optimal for high-reliability, digitally managed IF gain control in cellular infrastructure and test equipment.
Availability
MAX2027EUP-TD is available at Aetrix Electronics and suitable for cellular base station receiver gain control, terrestrial microwave link IF amplification, and broadband automatic test equipment requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MAX2027EUP-TD 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
Maxim Integrated (now part of Analog Devices) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and RF ICs for communications, industrial, and computing applications.
The MAX2027EUP-TD belongs to Maxim's high-linearity IF amplifier product line, designed specifically for digitally programmable gain control in wireless infrastructure and precision test instrumentation signal chains.
FAQ
What is the exact gain control resolution and accuracy of the MAX2027EUP-TD?
The MAX2027EUP-TD provides 1dB gain resolution across its full 23dB attenuation range (0–23dB), with ±0.05dB state-to-state accuracy confirmed in AC electrical characteristics. This precision is maintained over temperature (-40°C to +85°C) and frequency (50–400MHz), enabling repeatable closed-loop AGC implementation. The MAX2027EUP-TD achieves this via a monolithic 5-bit digital attenuator core with matched resistor ladders.
Does the MAX2027EUP-TD require external matching components above 250MHz?
Yes - the MAX2027EUP-TD incorporates on-chip input/output matching only for operation below 250MHz. For frequencies up to 400MHz, external matching components (e.g., 11nH inductors and 6.8pF capacitors per Table 2) are required to maintain return loss >15dB and gain flatness ≤0.2dB. The MAX2027EUP-TD datasheet specifies these values for 300MHz and 400MHz bands, and layout guidelines emphasize short RF traces and exposed-pad grounding.
What is the role of the ISET pin on the MAX2027EUP-TD and how is it configured?
The ISET pin (pin 13) on the MAX2027EUP-TD sets the amplifier's bias current by connecting an 825Ω ±1% resistor to GND, establishing a nominal 0.9mA current that optimizes OIP3 at 35dBm. This configuration fixes quiescent current at 60–75mA depending on supply voltage and temperature, directly impacting linearity and power consumption. The MAX2027EUP-TD datasheet mandates this resistor value for specified performance; deviation alters IP3 and noise figure.
How does the MAX2027EUP-TD handle thermal management in high-power operation?
The MAX2027EUP-TD uses a 20-pin TSSOP-EP package with an exposed thermal pad (EP) soldered directly to the PCB ground plane, providing low thermal resistance (<1.5°C/W) from junction to board. At TA = +70°C, it supports 1.7W continuous dissipation (derating 21.7mW/°C above +70°C). Proper layout - including multiple thermal vias under the EP and short, low-inductance GND traces - is essential to sustain 75mA supply current and prevent junction temperature exceeding +150°C. The MAX2027EUP-TD thermal design is validated in the evaluation kit reference layout.
Can the MAX2027EUP-TD be used in both receiver and transmitter IF paths?
Yes - the MAX2027EUP-TD is explicitly qualified for both receiver gain control and transmitter gain control applications, as stated in its Applications section. Its 35dBm OIP3 at all gain settings prevents distortion in transmit paths, while its 4.7dB noise figure at maximum gain preserves SNR in receive paths. The MAX2027EUP-TD's symmetric RF_IN/RF_OUT architecture, 22dBm max RF output, and 20dBm max RF input make it suitable for bidirectional IF signal conditioning in full-duplex systems like cellular base stations.
MAX2027EUP-TD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Frequency:
- 50MHz ~ 400MHz
- P1dB:
- 20.6dBm
- Gain:
- 15.5dB
- Noise Figure:
- 4.7dB
- RF Type:
- ATE, ISM, PHS, UMTS, WLL
- Voltage - Supply:
- 4.75V ~ 5.25V
- Current - Supply:
- 60mA ~ 75mA
- Test Frequency:
- 50MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP-EP
MAX2027EUP-TD FAQ
1.How can I place an order for MAX2027EUP-TD through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX2027EUP-TD 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 MAX2027EUP-TD reliable?
The price and inventory of MAX2027EUP-TD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX2027EUP-TD is usually 5 days.
3.What payment methods are accepted for MAX2027EUP-TD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX2027EUP-TD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX2027EUP-TD?
MAX2027EUP-TD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX2027EUP-TD 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 MAX2027EUP-TD?
For technical support, including MAX2027EUP-TD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX2027EUP-TD requirements.
6.How does Aetrix verify that MAX2027EUP-TD is sourced from the original manufacturer or authorized distributors?
All MAX2027EUP-TD 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 MAX2027EUP-TD meets industry standards.
7.What is the process for return or replacement of MAX2027EUP-TD?
All MAX2027EUP-TD units undergo pre-shipment inspection (PSI). If there is an issue with MAX2027EUP-TD, 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 MAX2027EUP-TD part is unused and in its original packaging.
Return procedure for MAX2027EUP-TD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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