Analog Devices Inc./Maxim Integrated MAX4528ESA
- Part No.:
- MAX4528ESA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4528ESA.pdf
- Description:
- IC SWITCH SPDT X 2 110OHM 8SOIC
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MAX4528ESA 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 +12V single supply or ±2.7V to ±6V dual supplies, delivers 110Ω max on-resistance with 7Ω max matching, supports rail-to-rail analog signals (V− to V+), and achieves <100ns transition time with ±5V supplies - enabling chopper-stabilized amplifier front-ends.
For engineers reviewing the MAX4528ESA datasheet, MAX4528ESA pinout, MAX4528ESA application, or MAX4528ESA equivalent, key selection criteria include verified phase-reversal functionality, leakage current ≤0.5nA at +25°C, charge injection ≤5pC, TTL/CMOS-compatible logic thresholds (0.8V–2.4V), and SO-8 package compatibility for space-constrained instrumentation designs.
Technical Context
The MAX4528ESA implements a four-switch bridge topology with two normally open and two normally closed CMOS paths, controlled by a single digital input (IN) to toggle between non-inverting (A→Y/B→X) and inverting (A→X/B→Y) signal routing. Its internal gate drive uses out-of-phase V+ and V− signals to bias paralleled N- and P-channel MOSFETs per path, ensuring symmetrical conduction and minimizing charge injection.
Analog signal integrity is maintained via matched on-resistance (ΔRON ≤7Ω), low flatness error (RFLAT(ON) ≤15Ω), and high off-isolation (−68dB at ±5V). The device requires no ground reference for analog paths - signals are strictly bounded by V+ and V− - and features ESD protection >2kV per Method 3015.7.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2.7V to +12V single or ±2.7V to ±6V dual - enables operation in battery-powered and bipolar instrumentation systems |
| On-Resistance (RON) | 110Ω max at ±5V - ensures minimal signal attenuation and gain error in precision sensor interfaces |
| On-Resistance Match (ΔRON) | 7Ω max - critical for balanced modulator carrier suppression and chopper amplifier offset cancellation |
| Charge Injection | 5pC max - limits voltage glitch and settling error during switching in auto-zeroing circuits |
| Transition Time | <100ns at ±5V - supports chopper frequencies up to ~1MHz without significant phase lag |
| Leakage Current | 0.5nA at +25°C - preserves high-impedance node integrity in electrometer-grade data acquisition |
| Logic Thresholds | VINH = 1.6–2.4V, VINL = 0.8–1.6V - guarantees interoperability with both TTL and CMOS controllers without level-shifting |
Pinout & Package
MAX4528ESA is housed in an 8-pin SO (Small Outline) package, pin-compatible with industry-standard SOIC-8 footprints and optimized for thermal performance and board-level noise isolation in mixed-signal layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 A | Analog input/output terminal A | Interchangeable bidirectional node; connected to Y when IN = LOW, X when IN = HIGH - forms one half of phase-reversal pair |
| 2 B | Analog input/output terminal B | Interchangeable bidirectional node; connected to X when IN = LOW, Y when IN = HIGH - complements A for differential inversion |
| 3 GND | Digital ground reference | Reference for logic circuitry only; analog paths are floating between V+ and V− - prevents ground-loop coupling into sensitive analog signals |
| 4 IN | Logic control input | TTL/CMOS-compatible digital control; accepts voltages down to V− (e.g., −5V) in dual-supply mode - enables direct interface with microcontroller GPIO or clock generators |
| 5 V− | Negative analog supply | Defines lower analog signal limit; tied to GND for single-supply operation - determines P-channel gate drive strength and RON |
| 6 Y | Analog output terminal Y | Output node for inverted or non-inverted path depending on IN state; identical electrical characteristics to X, A, and B |
| 7 X | Analog output terminal X | Output node complementary to Y; completes bridge configuration - AC symmetry optimized when A/B are inputs and X/Y are outputs |
| 8 V+ | Positive analog/digital supply | Powers analog switches and internal logic; internally tied to substrate - sets upper analog signal limit and N-channel gate drive |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Analog range spans full V− to V+ - eliminates clipping in ±5V op-amp signal chains and enables true bipolar data acquisition |
| Break-before-make timing | 1–20ns delay - prevents momentary short-circuit between A/B and X/Y during state transitions, protecting downstream circuitry |
| ESD robustness | >2kV per Method 3015.7 - ensures reliability during PCB handling and field deployment in industrial test equipment |
| Low quiescent current | 1.0µA max - extends battery life in portable chopper amplifiers and handheld calibration tools |
| Capacitance matching | 13pF typical off-capacitance (A-X, A-Y, etc.) - minimizes imbalance-induced carrier feedthrough in balanced modulators |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
Use Scenario: Front-end signal inversion stage in auto-zeroing op-amp architectures to cancel input offset voltage drift. IC Role / Device Role / Timing Role: Phase-reversal switch toggling at chopper frequency (1kHz–100kHz) to alternate polarity of input signal before amplification. Use Value: Enables sub-µV offset stability over temperature and time by synchronizing inversion with nulling cycle - directly enabled by 5pC charge injection and matched RON. | Use Scenario: Carrier-synchronous signal modulation in precision lock-in amplifiers and impedance analyzers. IC Role / Device Role / Timing Role: Balanced analog switch driven by square-wave carrier at IN pin to alternately route differential inputs to outputs. Use Value: Achieves >68dB carrier suppression due to ΔRON ≤7Ω and matched parasitic capacitance - critical for extracting weak signals buried in noise. |
| Data Acquisition Systems | Audio-Signal Routing |
Use Scenario: Input multiplexing and polarity selection in 16-bit+ SAR ADC front-ends for programmable-gain instrumentation amplifiers. IC Role / Device Role / Timing Role: Bidirectional analog switch providing selectable signal inversion prior to ADC sampling - supports differential and pseudo-differential modes. Use Value: Maintains linearity and THD <0.01% across full input range (±5V) due to rail-to-rail operation and low RFLAT(ON) ≤15Ω. | Use Scenario: Polarity reversal in professional audio line drivers for balanced XLR output stage calibration and common-mode noise rejection. IC Role / Device Role / Timing Role: Inverting/non-inverting path selector synchronized with system mute or phase-correction commands. Use Value: Delivers <100ns transition time and <5pC charge injection - prevents audible click/pop artifacts during real-time polarity switching. |
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 - lacks inherent phase-reversal capability | Suitable for basic signal routing but cannot perform polarity inversion without external wiring | Select only if discrete bridge implementation is acceptable and board area permits added components |
| ADG1419BRMZ | Higher on-resistance (1.3Ω typical), wider supply range (±15V), but no guaranteed ΔRON spec or chopper-optimized charge injection | Targeted at general-purpose precision switching, not chopper-specific DC symmetry requirements | Prefer for high-voltage industrial I/O; avoid where sub-µV offset cancellation or carrier suppression is required |
Compared with MAX4526ESA and ADG1419BRMZ, the MAX4528ESA uniquely integrates matched bridge-switch architecture with chopper-grade specifications (≤5pC Q, ≤7Ω ΔRON, ≤100ns tTRANS), making it the only drop-in solution for monolithic phase-reversal in precision analog front-ends.
Availability
MAX4528ESA is available at Aetrix Electronics and suitable for chopper-stabilized amplifiers, balanced modulators/demodulators, and data acquisition systems requiring stable component supply, long-term lifecycle support, and traceable sourcing for medical and test equipment OEMs.
Supply support for MAX4528ESA 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 fabless semiconductor company specializing in high-performance analog and mixed-signal ICs for industrial, communications, and computing applications.
The MAX4528ESA belongs to Maxim's precision analog switch product line, engineered specifically for chopper amplifier and balanced modulator applications demanding ultra-low charge injection, matched on-resistance, and rail-to-rail signal fidelity.
FAQ
What is the operating temperature range for the MAX4528ESA?
The MAX4528ESA is rated for operation from 0°C to +70°C. This commercial-grade temperature specification aligns with its SO-8 packaging and target use in benchtop test equipment and non-automotive industrial instrumentation. It is distinct from the extended-range MAX4528EPA/EUA variants rated for −40°C to +85°C.
Can the MAX4528ESA operate from a single +3.3V supply?
Yes, the MAX4528ESA supports +2.7V to +12V single-supply operation. At +3.3V, on-resistance increases to 250–900Ω (typ/max), transition time extends to 150–400ns, and logic thresholds shift to VINH = 0.9–2.4V and VINL = 0.6–0.9V. These values are fully characterized and guaranteed per the datasheet's +3V supply section.
Does the MAX4528ESA require external pull-up or pull-down resistors on the IN pin?
No, the MAX4528ESA does not require external biasing on the IN pin. Its logic inputs feature built-in TTL/CMOS-compatible thresholds (0.8V–2.4V) and ESD protection diodes to V+ and V−, allowing direct connection to microcontroller GPIO or FPGA outputs without additional components - even when V− is negative.
How is analog signal grounding handled in the MAX4528ESA?
The MAX4528ESA has no analog ground reference: analog signals float strictly between V+ and V−. The GND pin serves logic circuitry only. This architecture eliminates ground-loop errors in differential measurement systems and requires external biasing networks (e.g., center-tapped transformers or high-value resistors) to establish DC common-mode references for balanced inputs/outputs.
What is the maximum analog signal frequency supported by the MAX4528ESA?
The MAX4528ESA is optimized for DC and low-frequency phase reversal, with specified performance up to 100kHz for balanced modulator applications. Its −68dB off-isolation and 13pF off-capacitance limit higher-frequency use; for RF or audio-band switching, dedicated high-speed or audio-grade switches (e.g., MAX4618, ADG1419) are recommended instead of the MAX4528ESA.
MAX4528ESA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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-SOIC
MAX4528ESA FAQ
1.How can I place an order for MAX4528ESA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4528ESA 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 MAX4528ESA reliable?
The price and inventory of MAX4528ESA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4528ESA is usually 5 days.
3.What payment methods are accepted for MAX4528ESA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4528ESA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4528ESA?
MAX4528ESA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4528ESA 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 MAX4528ESA?
For technical support, including MAX4528ESA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4528ESA requirements.
6.How does Aetrix verify that MAX4528ESA is sourced from the original manufacturer or authorized distributors?
All MAX4528ESA 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 MAX4528ESA meets industry standards.
7.What is the process for return or replacement of MAX4528ESA?
All MAX4528ESA units undergo pre-shipment inspection (PSI). If there is an issue with MAX4528ESA, 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 MAX4528ESA part is unused and in its original packaging.
Return procedure for MAX4528ESA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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