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Analog Devices Inc./Maxim Integrated MAX4528EUA+T
- Part No.:
- MAX4528EUA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4528EUA+T.pdf
- Description:
- IC SWITCH SPDT X 2 110OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:3,118
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Product details
Overview
MAX4528EUA+T from Maxim Integrated is a low-voltage, phase-reversal analog switch IC configured as a bridge-switch array for precision DC and low-frequency signal inversion. It operates from ±2.7V to ±6V dual supplies or +2.7V to +12V single supply, delivers 110Ω max on-resistance (±5V), 5pC max charge injection, <100ns transition time, and supports rail-to-rail analog signals from V− to V+. It is used in chopper-stabilized amplifiers requiring precise polarity reversal without op-amp offset accumulation.
For engineers reviewing the MAX4528EUA+T datasheet, MAX4528EUA+T pinout, MAX4528EUA+T application, or MAX4528EUA+T equivalent, this page provides verified pin functions, real-world timing and leakage behavior at −40°C to +85°C, package-specific thermal derating, and validated alternatives for phase-reversal switching in precision analog systems.
Technical Context
The MAX4528EUA+T implements a fully integrated bridge configuration of four CMOS switches (two NO, two NC) with out-of-phase gate drive to enable true analog signal phase reversal-inputs A/B are routed to outputs X/Y or Y/X depending on logic state of IN. Its internal logic-level translator isolates digital control (TTL/CMOS compatible) from analog paths, with ESD diodes tied only to V+ and V−, not GND.
It is characterized for ±5V operation but maintains functional specifications across its full supply range; on-resistance flatness is 15Ω max over ±3V signal swing, leakage remains ≤20nA at +85°C, and break-before-make delay is 20ns max-critical for minimizing transient glitches during polarity switching in self-zeroing circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | ±2.7V to ±6V dual or +2.7V to +12V single - enables operation in legacy ±5V systems and modern low-voltage industrial rails. |
| On-Resistance (RON) | 110Ω max (±5V) - ensures minimal gain error and THD degradation in precision signal paths up to 100kHz. |
| Charge Injection | 5pC max - limits voltage step errors at switch turn-off, critical for chopper amplifier reset accuracy. |
| Transition Time | <100ns (±5V) - supports fast polarity toggling in synchronous demodulation and auto-zero cycles. |
| Leakage Current | 20nA max at +85°C - preserves DC integrity in high-impedance sensor front-ends and integrator nodes. |
| Logic Thresholds | VINH = 1.6–2.4V, VINL = 0.8–1.6V - guarantees reliable TTL/CMOS compatibility across full temperature and supply range. |
| ESD Protection | >2kV per Method 3015.7 - sustains handling and board-level transients without latch-up or parametric shift. |
Pinout & Package
MAX4528EUA+T uses an 8-pin µMAX package (3mm × 3mm, 0.5mm pitch), rated for −40°C to +85°C operation, with 4.10mW/°C thermal derating above +70°C and 330mW max continuous power dissipation at TA = +70°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 A | Analog input terminal A | Connected to Y when IN = LOW; to X when IN = HIGH - bidirectional, no ground reference, limited to V− to V+. |
| 2 B | Analog input terminal B | Connected to X when IN = LOW; to Y when IN = HIGH - matched RON and charge injection to A for balanced phase reversal. |
| 3 GND | Digital ground reference | Reference for logic circuitry only; analog paths are floating between V+ and V− - must tie to system digital ground, not analog ground. |
| 4 IN | Logic control input | TTL/CMOS-compatible; accepts voltages from V− to V+; ESD-protected to V+ and V− only - safe for bipolar logic swings. |
| 5 V− | Negative analog supply | Set to GND for single-supply use; defines lower bound of analog signal range; increases P-channel drive strength as magnitude increases. |
| 6 Y | Analog output terminal Y | Output node for inverted or non-inverted path depending on IN; identical electrical characteristics to X, A, and B. |
| 7 X | Analog output terminal X | Output node complementary to Y; AC symmetry optimized when A/B are inputs and X/Y are outputs. |
| 8 V+ | Positive analog/digital supply | Internally connected to substrate; powers analog switches and logic; sets upper analog signal limit and logic thresholds. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Analog range spans V− to V+, enabling full utilization of supply headroom in ±5V or +3.3V systems without clipping. |
| Matched on-resistance | 7Ω max mismatch between A-X, A-Y, B-X, B-Y - ensures equal gain and phase shift across both signal paths for high common-mode rejection. |
| Low charge injection | 5pC max - reduces residual offset after switching, essential for sub-µV-level chopper amplifier performance. |
| Break-before-make timing | 20ns max - prevents momentary short-circuit between X and Y during polarity transition, avoiding signal corruption. |
| High off-isolation | −68dB (±5V) - suppresses crosstalk between active and inactive paths, critical in balanced modulator carrier rejection. |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
|
Use Scenario: Precision DC amplification in strain-gauge or thermocouple interfaces where input offset drift must be nulled via synchronous polarity reversal. IC Role / Device Role / Timing Role: MAX4528EUA+T acts as the core phase-reversal element in the amplifier's feedback loop, toggled at 100Hz–1kHz to invert input polarity and cancel offset. Use Value: Enables <100nV/°C offset drift and <0.1µV p-p noise floor by eliminating op-amp input-stage imperfections through chopping. |
Use Scenario: Carrier-frequency modulation of sensor signals in industrial isolation barriers or RF receiver IF stages. IC Role / Device Role / Timing Role: MAX4528EUA+T serves as the balanced switching core driven by square-wave carrier (≤100kHz), routing differential inputs to differential outputs with polarity inversion. Use Value: Achieves >60dB carrier suppression when paired with symmetric layout and 50% duty-cycle drive, reducing baseband interference. |
| Data Acquisition Systems | Test Equipment Signal Routing |
|
Use Scenario: Multi-channel, high-resolution ADC front-end where input polarity must be reversed to measure true differential zero-crossings or perform auto-calibration. IC Role / Device Role / Timing Role: MAX4528EUA+T is placed ahead of programmable-gain instrumentation amplifiers to enable software-controlled signal inversion per channel. Use Value: Supports 24-bit ADC linearity by eliminating systematic offset errors without adding op-amp stages or PCB layout complexity. |
Use Scenario: Automated test equipment requiring reconfigurable analog signal paths for stimulus/response validation across multiple DUT configurations. IC Role / Device Role / Timing Role: MAX4528EUA+T functions as a compact, low-glitch polarity selector in signal conditioning modules, controlled via FPGA GPIO. Use Value: Reduces relay count and mechanical wear while maintaining <100ns switching repeatability and <5pC glitch energy across 10,000+ cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar phase-reversal analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4526ESA+ | Single-pole double-throw (SPDT) topology; no bridge configuration; 120Ω RON (±5V); 10pC charge injection. | Lacks inherent phase-reversal capability - requires external wiring to emulate bridge function, increasing layout area and capacitance imbalance. | Select when only basic signal routing is needed and polarity reversal is implemented externally or digitally. |
| ADG1419BRMZ | ±15V supply capable; 8.5Ω RON (±15V); 12pC charge injection; 12-lead MSOP package; no guaranteed −40°C to +85°C spec for charge injection. | Higher voltage rating suits industrial PLC I/O, but larger package and higher charge injection degrade chopper amplifier accuracy below 1µV. | Select for high-voltage bipolar systems where RON flatness and leakage at elevated temperature are secondary to voltage range. |
Compared with MAX4528EUA+T, MAX4526ESA+ lacks integrated phase reversal and demands external components to achieve comparable functionality, while ADG1419BRMZ trades precision chopper performance for wider supply range and higher on-resistance matching tolerance - making MAX4528EUA+T optimal for metrology-grade zero-drift amplifiers.
Availability
MAX4528EUA+T is available at Aetrix Electronics and suitable for chopper-stabilized amplifiers, balanced modulators/demodulators, and data acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4528EUA+T 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) designs precision analog, mixed-signal, and power-management ICs for industrial, medical, and communications applications, with emphasis on low-noise, low-drift, and high-reliability performance.
The MAX4528EUA+T belongs to Maxim's low-voltage analog switch family, engineered specifically for DC-coupled phase-reversal tasks in zero-drift amplifiers and synchronous demodulators where charge injection, RON match, and thermal stability are design-critical.
FAQ
What is the operating temperature range for MAX4528EUA+T?
The MAX4528EUA+T is specified for −40°C to +85°C ambient operation, with all key parameters-including on-resistance match (7Ω max), leakage current (20nA max), and charge injection (5pC max)-guaranteed across this full industrial temperature range. This makes MAX4528EUA+T suitable for deployment in harsh environments such as factory automation controllers and outdoor instrumentation.
Can MAX4528EUA+T operate from a single +3.3V supply?
Yes, MAX4528EUA+T supports +2.7V to +12V single-supply operation: connect V− to GND, apply +3.3V to V+, and ensure logic input levels meet the adjusted thresholds (VINH = 0.9–2.4V, VINL = 0.6–0.9V). At +3.3V, RON rises to 900Ω max and transition time extends to 400ns, which remains usable in low-speed chopper applications below 10kHz.
How does MAX4528EUA+T achieve phase reversal without external components?
MAX4528EUA+T integrates a dedicated bridge-switch architecture: two normally open and two normally closed CMOS switches are internally arranged so that logic state on IN directly swaps connections between A↔Y/B↔X and A↔X/B↔Y. This eliminates need for discrete MOSFETs or relays, preserving signal path symmetry and minimizing parasitic capacitance that degrades carrier suppression in modulators.
Is MAX4528EUA+T pin-compatible with other MAX452x variants?
Yes, MAX4528EUA+T shares identical 8-pin µMAX pinout and function mapping with MAX4528CUA and MAX4528CSA; only temperature grade and packaging differ. All variants use the same A/B/X/Y/V+/V−/GND/IN pin assignments and electrical interface, allowing drop-in replacement in existing layouts when upgrading from commercial to extended temperature grade.
What layout practices improve carrier suppression when using MAX4528EUA+T in modulator circuits?
To maximize carrier suppression with MAX4528EUA+T, use symmetrical PCB traces for A/B and X/Y pairs, place 0.1µF ceramic bypass capacitors directly at V+ and V− pins, ensure 50% duty-cycle square-wave drive on IN, and maintain matched source/load impedances to GND. Transformer coupling of input/output further improves suppression by breaking ground loops and adding filtering.
MAX4528EUA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 110Ohm
- Channel-to-Channel Matching (ΔRon):
- 3Ohm
- Voltage - Supply, Single (V+):
- 2.7V ~ 12V
- Voltage - Supply, Dual (V±):
- ±2.7V ~ 6V
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- 1pC
- Channel Capacitance (CS(off), CD(off)):
- 13pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
MAX4528EUA+T FAQ
1.How can I place an order for MAX4528EUA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4528EUA+T 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 MAX4528EUA+T reliable?
The price and inventory of MAX4528EUA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4528EUA+T is usually 5 days.
3.What payment methods are accepted for MAX4528EUA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4528EUA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4528EUA+T?
MAX4528EUA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4528EUA+T 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 MAX4528EUA+T?
For technical support, including MAX4528EUA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4528EUA+T requirements.
6.How does Aetrix verify that MAX4528EUA+T is sourced from the original manufacturer or authorized distributors?
All MAX4528EUA+T 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 MAX4528EUA+T meets industry standards.
7.What is the process for return or replacement of MAX4528EUA+T?
All MAX4528EUA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4528EUA+T, 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 MAX4528EUA+T part is unused and in its original packaging.
Return procedure for MAX4528EUA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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