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Analog Devices Inc./Maxim Integrated MAX4527EUA+
- Part No.:
- MAX4527EUA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4527EUA+.pdf
- Description:
- IC SWITCH SPDT X 2 175OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:3,794
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Product details
Overview
MAX4527EUA+ from Maxim Integrated is a precision phase-reversal analog switch IC optimized for low-power chopper-stabilized amplifier circuits, operating from ±4.5V to ±18V dual supplies or +4.5V to +36V single supply, with 175Ω max on-resistance, 10pC max charge injection, and rail-to-rail signal handling up to ±15V.
For engineers reviewing the MAX4527EUA+ datasheet, MAX4527EUA+ pinout, MAX4527EUA+ application, or MAX4527EUA+ equivalent, this device serves as a low-leakage (0.5nA @ +25°C), break-before-make, TTL/CMOS-compatible bridge switch for precision DC/low-frequency polarity inversion in self-calibrating sensor interfaces and balanced modulators.
Technical Context
The MAX4527EUA+ implements a four-switch bridge configuration-two normally open and two normally closed CMOS switches-with symmetrical A/B inputs and X/Y outputs controlled by a single IN logic input. Its internal logic-level translator drives N- and P-channel MOSFET gates out-of-phase using V+ and V−, enabling true rail-to-rail analog conduction without ground reference.
It guarantees break-before-make timing (1–5ns), matched on-resistance (≤8Ω), and <100ns transition time at ±15V supplies. Unlike discrete bridge implementations, its monolithic layout ensures optimized DC/AC symmetry and minimal charge-injection mismatch (≤2pC) critical for zero-drift amplifier front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | ±4.5V to ±18V dual or +4.5V to +36V single - supports industrial bipolar and wide-range unipolar systems |
| On-Resistance (RON) | 175Ω max at ±15V - enables low-gain error in precision signal paths with ≤0.5% voltage drop at 1mA |
| Charge Injection | 10pC max - limits offset voltage step in chopper amplifiers to <1µV with 1nF hold capacitor |
| Leakage Current | 0.5nA max @ +25°C - preserves high-impedance sensor node integrity over temperature |
| Transition Time | <100ns at ±15V - supports carrier frequencies up to 100kHz in balanced modulator applications |
| Logic Compatibility | TTL/CMOS thresholds (0.8V–2.4V) - interoperable with standard microcontroller GPIO without level-shifting |
| ESD Protection | >2kV per Method 3015.7 - enhances robustness in lab test equipment and field-deployed instrumentation |
Pinout & Package
MAX4527EUA+ is housed in an 8-pin µMAX package (2.0mm × 2.0mm, 0.5mm pitch), optimized for space-constrained PCB layouts in portable and embedded instrumentation.
| 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 differential input pair |
| 2 (B) | Analog input terminal B | Connected to X when IN = LOW; to Y when IN = HIGH - complementary path for phase reversal |
| 3 (GND) | Digital ground reference | Reference for logic circuitry only; analog signals are fully floating between V+ and V− |
| 4 (IN) | Logic control input | Active-HIGH TTL/CMOS-compatible signal that selects polarity inversion state (LOW = non-inverted, HIGH = inverted) |
| 5 (V−) | Negative analog supply | Sets lower rail of analog signal range; tied to GND for single-supply operation |
| 6 (Y) | Analog output terminal Y | Output node delivering phase-reversed or non-reversed signal depending on IN state |
| 7 (X) | Analog output terminal X | Complementary output node completing bridge output pair; interchangeable with Y in bidirectional routing |
| 8 (V+) | Positive analog/digital supply | Powers analog switches and internal logic; internally connected to substrate for ESD protection |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog voltages from V− to V+, eliminating clipping in ±15V op-amp feedback loops |
| Guaranteed break-before-make | Prevents momentary short-circuit between A/B and X/Y during switching, avoiding signal glitches in precision integrators |
| 1µA supply current (MAX4527) | Enables battery-powered chopper systems with multi-year runtime; 10× lower than MAX4526 counterpart |
| Matched charge injection (≤2pC) | Minimizes differential offset error in dual-path chopper topologies, improving DC accuracy to sub-µV levels |
| 8-pin µMAX footprint | Reduces board area by >60% vs. SO-8 and eliminates lead inductance issues common in DIP packages |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
Use Scenario: Zero-drift instrumentation amplifier front-end where input signal polarity is alternated at 100Hz–1kHz to cancel offset and 1/f noise. IC Role / Device Role / Timing Role: Phase-reversal switch providing synchronous polarity inversion of differential sensor inputs under microcontroller control. Use Value: Enables auto-zeroing cycles with <1µV residual offset due to matched RON and charge injection across A/B and X/Y paths. | Use Scenario: Carrier-synchronous modulation of low-frequency sensor data (e.g., thermocouple output) for noise-immune transmission. IC Role / Device Role / Timing Role: Balanced analog switch acting as a solid-state ring modulator, driven by square-wave carrier applied to IN pin. Use Value: Achieves >65dB carrier suppression at 100kHz via symmetrical layout and matched switch characteristics, eliminating need for transformers. |
| Data Acquisition Systems | Test Equipment Signal Routing |
Use Scenario: Multiplexed high-impedance sensor array (e.g., pH, strain gauge bridges) requiring polarity reversal for common-mode rejection calibration. IC Role / Device Role / Timing Role: Precision analog switch inserted in signal path before programmable gain amplifier to enable differential offset nulling. Use Value: Maintains 100MΩ input impedance integrity while delivering <0.5nA leakage-induced error at 85°C ambient. | Use Scenario: Automated test fixture routing analog stimulus/response paths between DUT and measurement instruments (e.g., DMM, scope). IC Role / Device Role / Timing Role: Low-distortion, low-charge-injection switch enabling repeatable signal path selection without settling artifacts. Use Value: Delivers <0.01% THD at 10kHz and <100ns transition time, ensuring accurate waveform capture during high-speed test sequencing. |
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 |
|---|---|---|---|
| MAX4526EUA+ | Higher supply current (1.5mA vs. 1µA), faster transition time (95ns vs. <100ns), same pinout and RON spec | Better suited for higher-frequency modulator use (>100kHz); less optimal for ultra-low-power battery systems | Select MAX4526EUA+ only when speed outweighs power budget constraints |
| ADG1419BRMZ | Single SPDT switch (not bridge), 1.5Ω RON, ±15V rating, but lacks integrated phase-reversal logic and break-before-make guarantee | Requires external logic and two devices to replicate bridge function; adds layout complexity and timing skew risk | Choose ADG1419BRMZ only if discrete switch control and lowest possible on-resistance are primary requirements |
Compared with MAX4526EUA+, the MAX4527EUA+ trades speed for 1000× lower quiescent current, making it ideal for portable chopper systems; versus ADG1419BRMZ, it delivers integrated bridge functionality with guaranteed timing and matched performance-reducing BOM count and layout risk in precision analog designs.
Availability
MAX4527EUA+ is available at Aetrix Electronics and suitable for chopper-stabilized amplifiers, balanced modulators, and data acquisition systems requiring stable component supply, long-term lifecycle support, and guaranteed -40°C to +85°C industrial temperature operation.
Supply support for MAX4527EUA+ 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 leader in precision analog, mixed-signal, and high-reliability semiconductor solutions for industrial, medical, and test equipment markets.
The MAX4526/MAX4527 product line was designed specifically for DC- and low-frequency phase-reversal applications-including chopper amplifiers and balanced modulators-where matched switch characteristics, ultra-low leakage, and integrated bridge topology are essential.
FAQ
What is the maximum operating temperature range for the MAX4527EUA+?
The MAX4527EUA+ is rated for operation from -40°C to +85°C, as confirmed by its "E" grade suffix and ordering information table. This extended temperature range ensures reliable performance in industrial environments, automotive under-hood sensing modules, and outdoor test instrumentation where thermal stability is critical. The MAX4527EUA+ maintains specified leakage current (≤10nA at +85°C) and on-resistance flatness across this full range.
Does the MAX4527EUA+ support single-supply operation?
Yes, the MAX4527EUA+ supports single-supply operation from +4.5V to +36V by connecting the V− pin to GND. In this configuration, analog signals swing from 0V to V+, preserving rail-to-rail capability. Power-supply considerations in the datasheet explicitly confirm this mode, and all key specs-including leakage, RON, and transition time-are characterized under both single- and dual-supply conditions.
Is the MAX4527EUA+ pin-compatible with the MAX4526EUA+?
Yes, the MAX4527EUA+ is fully pin-compatible with the MAX4526EUA+ in the 8-pin µMAX package. Both share identical pinout, footprint, and electrical interface-differing only in internal logic driver speed and quiescent current. This allows direct substitution in existing layouts when upgrading from high-speed to low-power operation, provided timing margins accommodate the slightly longer transition time of the MAX4527EUA+.
What is the purpose of the break-before-make feature in the MAX4527EUA+?
The break-before-make feature in the MAX4527EUA+ ensures that one switch path is fully opened before the alternate path closes-preventing momentary short-circuiting between A/B and X/Y terminals during polarity reversal. With a guaranteed 1–5ns delay, this eliminates signal transients in sensitive applications like chopper amplifier integrators and prevents latch-up in feedback networks, directly contributing to system-level DC accuracy and stability.
Can the MAX4527EUA+ handle bipolar analog signals without external level-shifting?
Yes, the MAX4527EUA+ natively handles bipolar analog signals from V− to V+ without external level-shifting circuitry. Its CMOS bridge architecture operates with fully floating analog paths referenced only to V+ and V−, not GND. When powered from ±15V supplies, it passes ±15V signals unattenuated-making it ideal for interfacing with bipolar op-amps, sensor bridges, and AC-coupled instrumentation channels.
MAX4527EUA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- 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
MAX4527EUA+ FAQ
1.How can I place an order for MAX4527EUA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4527EUA+ 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 MAX4527EUA+ reliable?
The price and inventory of MAX4527EUA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4527EUA+ is usually 5 days.
3.What payment methods are accepted for MAX4527EUA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4527EUA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4527EUA+?
MAX4527EUA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4527EUA+ 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 MAX4527EUA+?
For technical support, including MAX4527EUA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4527EUA+ requirements.
6.How does Aetrix verify that MAX4527EUA+ is sourced from the original manufacturer or authorized distributors?
All MAX4527EUA+ 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 MAX4527EUA+ meets industry standards.
7.What is the process for return or replacement of MAX4527EUA+?
All MAX4527EUA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4527EUA+, 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 MAX4527EUA+ part is unused and in its original packaging.
Return procedure for MAX4527EUA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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