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Analog Devices Inc./Maxim Integrated MAX4526ESA+T
- Part No.:
- MAX4526ESA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4526ESA+T.pdf
- Description:
- IC SWITCH SPDT X 2 175OHM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,555
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Product details
Overview
MAX4526ESA+T from Maxim Integrated is a phase-reversal analog switch IC optimized for high-speed chopper-stabilized amplifiers, featuring rail-to-rail signal handling (±15V supplies), 175Ω max on-resistance, <100ns transition time, and guaranteed break-before-make switching. It operates from ±4.5V to ±18V dual supplies or +4.5V to +36V single supply, with TTL/CMOS-compatible logic inputs.
For engineers reviewing the MAX4526ESA+T datasheet, MAX4526ESA+T pinout, MAX4526ESA+T application, or MAX4526ESA+T equivalent, key selection criteria include on-resistance matching (≤8Ω), charge injection (≤10pC), leakage current (≤0.5nA at +25°C), ESD robustness (>2kV), and SO-8 package compatibility with industrial temperature range (–40°C to +85°C).
Technical Context
The MAX4526ESA+T implements a bridge-configured phase-reversal topology with two normally open and two normally closed CMOS switches, enabling polarity inversion of balanced differential signals under IN control. Its internal logic-level translator drives N- and P-channel MOSFETs out-of-phase using V+ and V− to maintain low on-resistance across rail-to-rail analog voltages.
It guarantees break-before-make timing (1–5ns) and delivers matched on-resistance flatness (≤12Ω) over ±10V signal range. Charge-injection matching (≤2pC) and low leakage (≤10nA at +85°C) support precision DC-coupled applications such as auto-zeroing circuits and low-frequency modulators up to 100kHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | ±4.5V to ±18V dual or +4.5V to +36V single - supports wide industrial voltage rails without level-shifting. |
| On-Resistance (RON) | 105Ω to 175Ω max at ±15V - ensures minimal signal attenuation in precision analog paths. |
| On-Resistance Match (∆RON) | ≤8Ω max - critical for maintaining amplitude balance in chopper and modulator topologies. |
| Transition Time | <100ns at ±15V - enables fast phase reversal for chopper frequencies up to ~1MHz. |
| Charge Injection | ≤10pC max - minimizes offset error during switching in high-impedance integrator nodes. |
| Leakage Current | ≤0.5nA at +25°C, ≤10nA at +85°C - preserves DC accuracy in low-current sensor interfaces. |
| ESD Protection | >2kV per Method 3015.7 - enhances reliability in lab and test-equipment environments. |
Pinout & Package
MAX4526ESA+T is housed in an 8-pin SO (Small Outline) package, compliant with JEDEC MS-012, measuring 4.9mm × 3.9mm × 1.75mm (max height). Pin 1 is marked with a beveled corner or dot; device orientation follows standard SO-8 top-view convention.
| 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 balanced signal path. |
| 2 B | Analog input terminal B | Connected to X when IN = LOW; to Y when IN = HIGH - complementary input 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 | TTL/CMOS-compatible (0.8V–2.4V thresholds); controls phase state with break-before-make timing. |
| 5 V− | Negative analog supply | Sets lower analog rail limit; tied to GND for single-supply operation (e.g., +15V/V−=0V). |
| 6 Y | Analog output terminal Y | Output node for inverted or non-inverted signal depending on IN state; bidirectional capability. |
| 7 X | Analog output terminal X | Complementary output node; AC symmetry optimized when A/B are inputs and X/Y are outputs. |
| 8 V+ | Positive analog/digital supply | Drives analog switches and internal logic; internally connected to substrate for ESD protection. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ - eliminates external level-shifting in ±15V systems. |
| Guaranteed break-before-make | 1–5ns delay prevents momentary short-circuit between X and Y paths - essential for stable chopper biasing. |
| Low charge injection (≤10pC) | Reduces settling error in high-Z integrators used in auto-zero amplifiers and precision ADC front-ends. |
| Matched on-resistance (≤8Ω) | Maintains amplitude balance across both signal paths - critical for carrier suppression in modulators. |
| TTL/CMOS-compatible inputs | Operates directly from microcontroller GPIO or FPGA outputs without interface logic - simplifies system integration. |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
|
Use Scenario: Used in precision op-amp chopper circuits to reverse input polarity at controlled intervals, eliminating 1/f noise and input offset drift. IC Role / Device Role / Timing Role: Phase-reversal switch toggling analog inputs synchronously with chopping clock - enables true zero-drift performance. Use Value: Achieves sub-µV offset stability over time and temperature by enabling correlated double sampling in feedback loops. |
Use Scenario: Implements carrier-synchronous signal inversion in analog communication subsystems for AM modulation/demodulation. IC Role / Device Role / Timing Role: Balanced analog switch driven by square-wave carrier at IN pin - generates suppressed-carrier DSB-SC output. Use Value: Delivers >65dB off-isolation and matched RON to suppress carrier feedthrough and improve sideband symmetry. |
| Data Acquisition Systems | Test Equipment Signal Routing |
|
Use Scenario: Routes differential sensor signals through programmable gain stages while preserving common-mode integrity. IC Role / Device Role / Timing Role: Bidirectional analog switch providing polarity-selectable input paths for multi-range instrumentation amplifiers. Use Value: Enables software-configurable signal inversion without adding op-amps or relays - reduces board area and thermal drift. |
Use Scenario: Switches calibration references or stimulus signals in automated test equipment (ATE) and benchtop analyzers. IC Role / Device Role / Timing Role: High-isolation, low-leakage analog switch routing DC/low-frequency calibration sources to DUT inputs. Use Value: Maintains measurement accuracy via <0.5nA leakage and 13pF COFF - minimizes loading on high-impedance reference nodes. |
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 |
|---|---|---|---|
| MAX4527ESA+T | Same pinout and analog specs, 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 MAX4527ESA+T only when chopper frequency is <10kHz and power budget is constrained. |
| ADG1419BRMZ | Single-pole double-throw (SPDT) architecture, not phase-reversal; 1.5Ω RON, but no built-in break-before-make or matched RON spec. | Requires external bridging for polarity reversal; suited for general-purpose signal routing, not chopper or modulator topologies. | Choose ADG1419BRMZ only for non-phase-reversal SPDT needs - not a functional substitute for MAX4526ESA+T. |
Compared with MAX4527ESA+T, the MAX4526ESA+T provides higher speed and higher drive capability at the cost of increased current; compared with ADG1419BRMZ, it delivers integrated phase-reversal functionality with guaranteed matching and timing behavior essential for chopper stabilization.
Availability
MAX4526ESA+T is available at Aetrix Electronics and suitable for chopper-stabilized amplifiers, balanced modulators/demodulators, and precision data acquisition systems requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for MAX4526ESA+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 high-performance analog and mixed-signal ICs for precision, power, and interface applications, with emphasis on reliability and integration density.
The MAX4526/MAX4527 product line was engineered specifically for DC- and low-frequency phase-reversal tasks - including chopper amplifiers, self-calibrating sensors, and balanced modulators - where matched on-resistance, low leakage, and precise timing are mandatory.
FAQ
What is the operating temperature range for MAX4526ESA+T?
The MAX4526ESA+T is rated for industrial operation from –40°C to +85°C. This range is validated per the manufacturer's characterization and applies to all electrical specifications in the datasheet unless otherwise noted. The "E" grade suffix explicitly denotes this extended temperature capability, distinguishing it from the commercial-grade "C" variants.
Does MAX4526ESA+T support single-supply operation?
Yes, MAX4526ESA+T supports single-supply operation from +4.5V to +36V by connecting V− to GND. In this configuration, analog signals swing from 0V to V+, and all specifications-including on-resistance, leakage, and transition time-remain valid per the datasheet's single-supply test conditions and typical operating curves.
Is MAX4526ESA+T pin-compatible with MAX4527ESA+T?
Yes, MAX4526ESA+T and MAX4527ESA+T share identical pinouts, package dimensions, and absolute maximum ratings. They differ only in internal logic driver speed and supply current consumption - making them drop-in replacements where timing or power requirements permit interchangeability.
What is the maximum analog signal voltage range supported by MAX4526ESA+T?
MAX4526ESA+T supports rail-to-rail analog signals from V− to V+. With ±15V supplies, this equals a full –15V to +15V range. When operated on a +15V single supply (V− = GND), the range is 0V to +15V. Exceeding V+ or V− triggers internal ESD diode clamping, so signals must remain within these bounds for linear operation.
How does the break-before-make feature benefit chopper amplifier designs using MAX4526ESA+T?
The guaranteed 1–5ns break-before-make interval in MAX4526ESA+T prevents momentary short-circuit between X and Y outputs during state transitions. In chopper amplifiers, this avoids transient current spikes and latch-up risk in feedback networks, ensuring clean polarity reversal and stable auto-zeroing cycles without output glitches or recovery delays.
MAX4526ESA+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):
- 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-SOIC
MAX4526ESA+T FAQ
1.How can I place an order for MAX4526ESA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4526ESA+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 MAX4526ESA+T reliable?
The price and inventory of MAX4526ESA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4526ESA+T is usually 5 days.
3.What payment methods are accepted for MAX4526ESA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4526ESA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4526ESA+T?
MAX4526ESA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4526ESA+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 MAX4526ESA+T?
For technical support, including MAX4526ESA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4526ESA+T requirements.
6.How does Aetrix verify that MAX4526ESA+T is sourced from the original manufacturer or authorized distributors?
All MAX4526ESA+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 MAX4526ESA+T meets industry standards.
7.What is the process for return or replacement of MAX4526ESA+T?
All MAX4526ESA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4526ESA+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 MAX4526ESA+T part is unused and in its original packaging.
Return procedure for MAX4526ESA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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