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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 topology for polarity inversion in precision DC and low-frequency signal paths. It operates from +2.7V to +12V single supply or ±2.7V to ±6V dual supplies, delivers ≤110Ω on-resistance (±5V), 5pC max charge injection, and <100ns transition time - enabling chopper-stabilized amplifier front-ends and balanced modulator circuits.
For engineers reviewing the MAX4528ESA+ datasheet, MAX4528ESA+ pinout, MAX4528ESA+ application, or MAX4528ESA+ equivalent, this page provides verified pin functions, rail-to-rail signal handling capability, leakage current specs at +85°C (20nA), TTL/CMOS-compatible logic thresholds, and validated alternative options for phase-reversal switching in test equipment and data acquisition systems.
Technical Context
The MAX4528ESA+ implements a four-terminal bridge configuration with two normally open and two normally closed CMOS switches, controlled by a single logic input (IN) to reverse signal polarity between inputs A/B and outputs X/Y. Its internal gate drive uses out-of-phase V+ and V− signals to minimize on-resistance flatness variation across the analog range (±5V).
It supports true rail-to-rail analog operation (V− to V+), with ESD protection >2kV per Method 3015.7 and leakage current specified at 0.5nA (+25°C) and 20nA (+85°C). The device is characterized for ±5V dual-supply operation but maintains functional integrity down to +2.7V single supply with guaranteed 1.5pC typical charge injection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2.7V to +12V single supply or ±2.7V to ±6V dual supply - enables flexible biasing in battery-powered and industrial systems |
| On-Resistance (RON) | ≤110Ω (±5V), ≤175Ω (+5V), ≤900Ω (+3V) - determines insertion loss and gain error in precision signal paths |
| Charge Injection | ≤5pC - limits voltage glitch and settling time in sample-hold and chopper circuits |
| Transition Time | <100ns (±5V), <175ns (+5V), <400ns (+3V) - defines maximum usable frequency for phase-reversal switching |
| Analog Signal Range | Rail-to-rail: V− to V+ - preserves full dynamic range without clipping in bipolar or unipolar configurations |
| Logic Thresholds | VINH = 0.8–2.4V, VINL = 0.6–1.6V - ensures reliable TTL/CMOS compatibility across all supply voltages |
| Leakage Current | 0.5nA at +25°C, 20nA at +85°C - critical for high-impedance sensor interfaces and long-integration-time applications |
Pinout & Package
MAX4528ESA+ is housed in an 8-pin SO (Small Outline) package with gull-wing leads, JEDEC MS-012AC compliant, 1.27mm pitch, and body dimensions 4.9mm × 3.9mm × 1.75mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 A | Analog input/output terminal A | Connected to Y when IN = LOW; to X when IN = HIGH - forms one half of the phase-reversal path |
| 2 B | Analog input/output terminal B | Connected to X when IN = LOW; to Y when IN = HIGH - complements A to enable differential polarity 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 digital input controlling switch state; accepts voltages from V− to V+ |
| 5 V− | Negative analog supply | Connect to GND for single-supply operation; sets lower bound of analog signal range |
| 6 Y | Analog output/input terminal Y | Output when IN = LOW (A→Y, B→X); output when IN = HIGH (A→X, B→Y) |
| 7 X | Analog output/input terminal X | Output when IN = LOW (B→X); output when IN = HIGH (A→X) - completes bridge routing |
| 8 V+ | Positive analog/digital supply | Internally connected to substrate; powers analog switches and logic translator; sets upper analog signal limit |
Key Features
| Feature | Design Value |
|---|---|
| Phase-reversal bridge topology | Single-control, bidirectional polarity inversion without external components - simplifies chopper amplifier feedback networks |
| Rail-to-rail analog signal handling | V− to V+ continuous conduction - eliminates level-shifting requirements in ±5V or +3.3V systems |
| Matched on-resistance | ≤7Ω max mismatch between A-X/A-Y/B-X/B-Y paths - ensures balanced gain and common-mode rejection in differential circuits |
| Low charge injection | ≤5pC - reduces offset voltage step and settling burden in precision integrators and auto-zero amplifiers |
| High off-isolation | −70dB (±5V), −68dB (+5V) - suppresses carrier feedthrough in modulator/demodulator applications up to 100kHz |
| TTL/CMOS logic compatibility | 0.8V–2.4V input thresholds across full supply range - eliminates need for level translators in mixed-voltage systems |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
|
Use Scenario: Reversing input polarity at 10Hz–1kHz to null amplifier offset drift in precision instrumentation. IC Role / Device Role / Timing Role: Phase-reversal switch in chopper clock path - toggles signal polarity synchronously with amplifier modulation cycle. Use Value: Enables sub-µV offset stability using matched RON and low charge injection (≤5pC) to minimize residual ripple. |
Use Scenario: Carrier-frequency switching (up to 100kHz) in RF demodulation front-ends for sensor signal recovery. IC Role / Device Role / Timing Role: Balanced analog switch acting as synchronous mixer - IN drives carrier square wave, A/B accept differential baseband. Use Value: Delivers −70dB off-isolation and matched RON (≤7Ω) to achieve >60dB carrier suppression without trimming. |
| Data Acquisition Systems | Test Equipment Signal Routing |
|
Use Scenario: Multiplexing and polarity selection for multi-channel, high-Z sensor inputs (e.g., thermocouples, strain gauges). IC Role / Device Role / Timing Role: Low-leakage (0.5nA @ +25°C), rail-to-rail analog switch - routes signals before programmable-gain amplifier stage. Use Value: Maintains accuracy in 24-bit ADC systems by limiting input bias current-induced offset and preserving full-scale range. |
Use Scenario: Automated signal path reconfiguration in benchtop multimeters and calibration sources. IC Role / Device Role / Timing Role: Fast-transition (≤100ns), low-charge-injection switch - enables glitch-free channel switching during self-test sequences. Use Value: Supports <1µs settling with ≤5pC injection, reducing measurement dead time and improving throughput in automated test 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 |
|---|---|---|---|
| MAX4526ESA+ | Same pinout, identical bridge architecture, but rated for ±15V max supply (vs. ±6V for MAX4528ESA+) and higher RON (150Ω typ) | Used where higher-voltage signal routing (>±6V) is required; less suitable for low-voltage, low-RON precision chopper designs | Select MAX4526ESA+ only if operating beyond ±6V; otherwise MAX4528ESA+ offers better RON and charge injection for ≤±6V systems |
| ADG1419BRMZ | SPDT configuration (not bridge), 4.5Ω RON, 0.2pC charge injection, but requires two devices + external logic for phase reversal | Preferred for ultra-low distortion audio routing; not a drop-in replacement due to different topology and pin count (10-lead MSOP) | Choose ADG1419BRMZ only when lowest possible charge injection dominates design; MAX4528ESA+ remains optimal for integrated bridge functionality |
Compared with MAX4528ESA+, MAX4526ESA+ extends voltage range at the cost of higher on-resistance and charge injection, while ADG1419BRMZ achieves superior parametric performance only through added complexity and board area - making MAX4528ESA+ the most integrated, supply-efficient solution for standard ±5V chopper and modulator applications.
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 manufacturability, and guaranteed temperature-grade compliance (−40°C to +85°C).
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, mixed-signal, and power-management ICs for industrial, communications, and computing applications.
The MAX4528ESA+ belongs to Maxim's precision analog switch product line, designed specifically for low-distortion, low-glitch phase-reversal in chopper amplifiers, modulators, and self-calibrating measurement systems.
FAQ
What is the operating temperature range for MAX4528ESA+?
The MAX4528ESA+ is specified for −40°C to +85°C ambient operation, matching the 'E' grade suffix in its ordering code. This extended industrial temperature range ensures reliability in demanding environments such as factory automation controllers and outdoor test equipment where thermal cycling occurs. All electrical parameters - including leakage current (20nA max at +85°C) and transition time (<175ns at +85°C) - are guaranteed across this full range.
Can MAX4528ESA+ operate from a single +3.3V supply?
Yes, MAX4528ESA+ supports +2.7V to +12V single-supply operation. With V− tied to GND and V+ = +3.3V, it delivers ≤900Ω on-resistance, ≤5pC charge injection, and <400ns transition time. Logic thresholds remain valid (VINL = 0.6–0.9V, VINH = 0.9–2.4V), ensuring compatibility with standard 3.3V CMOS logic. However, RON increases significantly below +5V, so system-level THD and bandwidth must be verified per application.
Does MAX4528ESA+ support bidirectional signal flow?
Yes, MAX4528ESA+ supports fully bidirectional analog signal routing. Pins A, B, X, and Y are electrically identical and interchangeable - any pair can serve as input or output. The datasheet explicitly states "signals pass equally well in either direction," and AC symmetry is optimized when A/B are used as inputs and X/Y as outputs. This enables flexible PCB layout in both chopper amplifier feedback loops and modulator I/Q paths.
How does MAX4528ESA+ achieve rail-to-rail signal handling?
MAX4528ESA+ achieves rail-to-rail operation via complementary N-channel and P-channel MOSFETs paralleled in each switch path, with gates driven by out-of-phase signals referenced to V+ and V−. This architecture allows conduction from V− to V+ without level-shifting or clamping diodes in the signal path. As confirmed in the Absolute Maximum Ratings and Electrical Characteristics tables, VA, VB, VX, and VY all support analog signals spanning the full V− to V+ range under all supply conditions.
Is MAX4528ESA+ pin-compatible with MAX4528CSA or MAX4528CPA?
Yes, MAX4528ESA+ shares identical pinout and footprint with MAX4528CSA (0°C to +70°C) and MAX4528CPA (0°C to +70°C, DIP), as all belong to the same 8-pin SO package family. The 'E' grade (−40°C to +85°C) differs only in temperature screening and qualification testing - not in physical layout, electrical connectivity, or logic behavior. Board designs using MAX4528CSA can be upgraded to MAX4528ESA+ without layout changes.
MAX4528ESA+ 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):
- 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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