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Analog Devices Inc./Maxim Integrated MAX4526EUA
- Part No.:
- MAX4526EUA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4526EUA.pdf
- Description:
- IC SWITCH SPDT X 2 175OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:2,010
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Product details
Overview
MAX4526EUA from Maxim Integrated is a high-speed phase-reversal analog switch IC configured as a bridge-connected dual SPDT switch for polarity inversion in precision analog signal paths. It operates from ±4.5V to ±18V dual supplies (or +4.5V to +36V single supply), delivers 175Ω max on-resistance with 8Ω max matching, supports rail-to-rail analog signals from V− to V+, and guarantees break-before-make switching with <100ns transition time under ±15V. It is used in chopper-stabilized amplifiers requiring low charge injection and matched switching.
For engineers reviewing the MAX4526EUA datasheet, MAX4526EUA pinout, MAX4526EUA application, or MAX4526EUA equivalent, key selection criteria include guaranteed break-before-make timing, 10pC max charge injection, ±15V supply operation, 8-pin µMAX package compatibility, and phase-reversal functionality for self-zeroing circuits and balanced modulators.
Technical Context
The MAX4526EUA implements a fully integrated bridge configuration of four CMOS switches (two normally open, two normally closed), enabling true differential phase reversal without external wiring. Its internal logic-level translator drives N- and P-channel MOSFET gates out-of-phase using V+ and V−, ensuring rail-to-rail conduction and minimizing on-resistance variation across temperature and signal voltage.
It features TTL/CMOS-compatible digital inputs (0.8V–2.4V thresholds), >2kV ESD protection per Method 3015.7, and leakage current limited to 0.5nA at +25°C and 10nA at +85°C. The device is characterized over −40°C to +85°C and optimized for ±15V supplies, with on-resistance flatness ≤12Ω and isolation >65dB at 1MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | ±4.5V to ±18V dual or +4.5V to +36V single - enables flexible biasing in industrial and test equipment with wide input signal swing. |
| On-Resistance (RON) | 175Ω max - ensures minimal signal attenuation and gain error in precision DC/low-frequency paths. |
| RON Matching | 8Ω max between A-X/A-Y/B-X/B-Y - critical for maintaining amplitude and phase balance in chopper and modulator applications. |
| Charge Injection | 10pC max - limits offset voltage kick during switching, essential for auto-zeroing amplifier accuracy. |
| Transition Time | <100ns with ±15V - supports carrier frequencies up to 100kHz in balanced modulators/demodulators. |
| Leakage Current | 10nA max at +85°C - preserves high-impedance node integrity in data acquisition front-ends. |
| Break-Before-Make Delay | 5ns max - prevents momentary short-circuit between signal paths during polarity reversal. |
Pinout & Package
MAX4526EUA is housed in an 8-pin µMAX package (pin pitch 0.65mm, body size 3.05mm × 3.05mm × 0.91mm), optimized for space-constrained PCB layouts while maintaining thermal dissipation capability (330mW at +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 - forms one half of the phase-reversal signal pair. |
| 2 (B) | Analog input terminal B | Connected to X when IN = LOW; to Y when IN = HIGH - complementary path to A for full bridge operation. |
| 3 (GND) | Digital ground reference | Reference for logic-level translator only; analog paths are floating between V+ and V− - enables true rail-to-rail signal handling without ground dependency. |
| 4 (IN) | Logic control input | TTL/CMOS-compatible (0.8V–2.4V thresholds); controls phase state - accepts square-wave carriers up to 100kHz for modulation. |
| 5 (V−) | Negative analog supply | Sets lower analog signal limit; internally connected to ESD diodes - must be tied to GND for single-supply operation. |
| 6 (Y) | Analog output terminal Y | Output node for inverted or non-inverted path depending on IN state - interchangeable with X for layout flexibility. |
| 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 | Powers analog switches and internal logic; internally tied to substrate - sets upper analog signal limit and logic threshold. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Analog signals swing from V− to V+ with no ground reference required - eliminates level-shifting in bipolar systems. |
| Guaranteed break-before-make | 5ns maximum delay prevents cross-conduction during polarity reversal - avoids transient short-circuits in sensitive feedback paths. |
| 10pC max charge injection | Minimizes voltage glitch on high-impedance nodes (e.g., integrator capacitors) - critical for sub-µV offset stability in chopper amplifiers. |
| 2pC max charge-injection match | Ensures matched transients between A and B paths - preserves common-mode rejection in differential zeroing loops. |
| 175Ω on-resistance with 12Ω flatness | Low and consistent RON across ±15V analog range - maintains linearity and gain accuracy in precision instrumentation. |
| TTL/CMOS-compatible inputs | 0.8V–2.4V logic thresholds operate reliably across +4.5V to +36V V+ - simplifies interface with microcontrollers and FPGAs. |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
|
Use Scenario: Used in auto-zeroing amplifier feedback loops to periodically reverse input polarity and cancel offset drift. IC Role / Device Role / Timing Role: Phase-reversal switch providing synchronous polarity inversion at chopper frequency (typically 10Hz–10kHz). Use Value: Enables sub-100nV/°C offset drift performance by eliminating amplifier input-stage mismatches through correlated double sampling. |
Use Scenario: Implements carrier-synchronous signal inversion in analog communication front-ends for AM modulation/demodulation. IC Role / Device Role / Timing Role: Balanced analog switch acting as a polarity-controlled mixer core driven by logic-level square wave carrier. Use Value: Achieves >65dB carrier suppression at 100kHz with matched RON and low charge injection - reduces harmonic distortion in precision demodulation. |
| Data Acquisition Systems | Test Equipment Signal Routing |
|
Use Scenario: Routes differential sensor signals through programmable gain stages while preserving polarity integrity. IC Role / Device Role / Timing Role: High-precision analog multiplexer enabling bidirectional signal flow with phase control for calibration sequences. Use Value: Supports 24-bit ADC accuracy by limiting charge injection to 10pC and leakage to 10nA at +85°C - minimizes settling errors. |
Use Scenario: Switches between reference and DUT signals in automated test fixtures requiring fast, low-distortion routing. IC Role / Device Role / Timing Role: Low-on-resistance, rail-to-rail analog switch enabling clean signal path selection without level translation. Use Value: Delivers <100ns transition time and >65dB off-isolation - ensures minimal crosstalk and fast settling in multi-channel ATE systems. |
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 |
|---|---|---|---|
| MAX4527EUA | Identical analog switch characteristics but slower transition time (250ns vs. 100ns) and lower supply current (1µA vs. 1.5mA typical at +25°C). | Optimized for ultra-low-power battery-operated systems where speed is secondary to quiescent current. | Select MAX4527EUA only when power budget is constrained and chopper frequency is below 10kHz. |
| ADG1419BRMZ | Single-pole double-throw (SPDT) switch with 1.5Ω on-resistance, but lacks integrated bridge topology and phase-reversal truth table - requires external wiring for polarity inversion. | Used in general-purpose signal routing; not preconfigured for chopper or modulator functions. | Choose ADG1419BRMZ only if discrete switch control is preferred and board area allows external bridge implementation. |
Compared with MAX4527EUA, the MAX4526EUA trades higher supply current for 2.5× faster switching and tighter charge injection matching - making it superior for high-frequency chopper stabilization. Versus ADG1419BRMZ, the MAX4526EUA provides integrated phase-reversal functionality in a smaller footprint with guaranteed break-before-make, reducing design complexity and layout risk.
Availability
MAX4526EUA is available at Aetrix Electronics and suitable for chopper-stabilized amplifiers, balanced modulators/demodulators, and precision data acquisition systems requiring stable component supply across extended temperature ranges.
Supply support for MAX4526EUA 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.
The MAX4526/MAX4527 product line was engineered specifically for high-fidelity phase-reversal tasks in chopper amplifiers and balanced modulators - emphasizing low charge injection, matched on-resistance, and rail-to-rail operation under bipolar supplies.
FAQ
What is the operating temperature range for the MAX4526EUA?
The MAX4526EUA is rated for operation from −40°C to +85°C. This extended industrial temperature range ensures reliable performance in demanding environments such as factory automation, test equipment, and automotive under-hood sensing modules. All electrical specifications - including on-resistance, leakage current, and transition time - are guaranteed across this full range, with typical values measured at +25°C.
Can the MAX4526EUA operate from a single supply?
Yes, the MAX4526EUA supports single-supply operation from +4.5V to +36V when V− is connected to GND. In this configuration, analog signals swing from 0V to V+, and the device retains rail-to-rail capability, break-before-make timing, and TTL/CMOS-compatible logic inputs. However, bipolar supply operation (±4.5V to ±18V) is recommended for optimal AC symmetry and carrier suppression in modulator applications.
How does the MAX4526EUA achieve phase reversal without external components?
The MAX4526EUA integrates a complete bridge configuration of four CMOS switches (A-X, A-Y, B-X, B-Y) with internal logic that routes A→Y/B→X when IN is low and A→X/B→Y when IN is high. This hardwired truth table enables true differential phase reversal in a single 8-pin package - eliminating the need for discrete switches, PCB traces, or external logic, and ensuring matched timing and parasitics critical for chopper amplifier accuracy.
What is the significance of guaranteed break-before-make in the MAX4526EUA?
The MAX4526EUA guarantees a minimum break-before-make time delay of 1ns and maximum of 5ns, preventing simultaneous conduction between the two signal paths during polarity switching. This eliminates transient short-circuits that could disrupt feedback loops in chopper amplifiers or distort carrier suppression in modulators - a key reliability feature not found in generic analog switches.
Is the MAX4526EUA pin-compatible with other variants in the MAX4526 family?
Yes, all MAX4526 variants - including MAX4526CPA, MAX4526CSA, MAX4526CUA, MAX4526EPA, MAX4526ESA, and MAX4526EUA - share identical 8-pin pinouts across DIP, SO, and µMAX packages. The MAX4526EUA uses the same pin configuration as the MAX4526ESA and MAX4526EPA, differing only in temperature grade (−40°C to +85°C) and package type (8-pin µMAX), allowing direct drop-in replacement in space-constrained designs.
MAX4526EUA 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):
- 175Ohm
- Channel-to-Channel Matching (ΔRon):
- 500mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 36V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 18V
- 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
MAX4526EUA FAQ
1.How can I place an order for MAX4526EUA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4526EUA 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 MAX4526EUA reliable?
The price and inventory of MAX4526EUA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4526EUA is usually 5 days.
3.What payment methods are accepted for MAX4526EUA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4526EUA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4526EUA?
MAX4526EUA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4526EUA 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 MAX4526EUA?
For technical support, including MAX4526EUA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4526EUA requirements.
6.How does Aetrix verify that MAX4526EUA is sourced from the original manufacturer or authorized distributors?
All MAX4526EUA 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 MAX4526EUA meets industry standards.
7.What is the process for return or replacement of MAX4526EUA?
All MAX4526EUA units undergo pre-shipment inspection (PSI). If there is an issue with MAX4526EUA, 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 MAX4526EUA part is unused and in its original packaging.
Return procedure for MAX4526EUA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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