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Analog Devices Inc./Maxim Integrated MAX4528CSA+T
- Part No.:
- MAX4528CSA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4528CSA+T.pdf
- Description:
- IC SWITCH SPDT X 2 110OHM 8SOIC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MAX4528CSA+T from Maxim Integrated is a low-voltage, CMOS phase-reversal analog switch configured as a 2×2 bridge switch for polarity inversion in chopper-stabilized amplifiers. It operates from +2.7V to +12V single supply or ±2.7V to ±6V dual supplies, delivers ≤110Ω on-resistance (±5V), <100ns transition time, and 5pC max charge injection. Its rail-to-rail signal handling (V− to V+) and 0.5nA leakage at +25°C support precision DC/low-frequency reversal in metrology-grade signal paths.
For engineers reviewing the MAX4528CSA+T datasheet, MAX4528CSA+T pinout, MAX4528CSA+T application, or MAX4528CSA+T equivalent, key selection criteria include verified on-resistance matching (≤7Ω), break-before-make timing (1–20ns), TTL/CMOS-compatible logic thresholds (0.8V/2.4V), and guaranteed performance across 0°C to +70°C in 8-pin SO package.
Technical Context
The MAX4528CSA+T implements a fully integrated bridge topology with two normally open and two normally closed switches, enabling true differential phase reversal without external wiring. Its internal logic-level translator drives N- and P-channel MOSFETs out-of-phase using V+ and V−, ensuring symmetrical conduction and minimal charge injection.
All analog terminals (A, B, X, Y) are bidirectional and interchangeable, but AC symmetry is optimized when A/B serve as inputs and X/Y as outputs. The device features ESD protection >2kV per Method 3015.7, reverse-biased ESD diodes tied to V+ and V− (not GND), and leakage current routed exclusively to supply rails-not ground or adjacent channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2.7V to +12V single supply or ±2.7V to ±6V dual supply - supports both industrial single-rail and precision bipolar biasing |
| On-Resistance (RON) | ≤110Ω at ±5V - ensures minimal gain error and thermal drift in precision instrumentation front-ends |
| On-Resistance Match (∆RON) | ≤7Ω at ±5V - critical for maintaining amplitude balance in chopper and modulator applications |
| Charge Injection (Q) | ≤5pC - limits voltage step errors during switching, essential for zero-drift amplifier auto-zero cycles |
| Transition Time | <100ns at ±5V - enables clean switching up to ~100kHz carrier frequencies in balanced modulators |
| Leakage Current | 0.5nA at +25°C, 20nA at +85°C - preserves DC accuracy in high-impedance sensor interfaces |
| Logic Thresholds | VINH = 1.6–2.4V, VINL = 0.8–1.6V - guarantees reliable TTL/CMOS compatibility across full supply range |
Pinout & Package
MAX4528CSA+T is housed in an 8-pin SO (Small Outline) package, surface-mount, with standard JEDEC MS-012AC footprint (body size 4.9mm × 3.9mm, lead pitch 1.27mm). Pin 1 marked with dot; pin numbering counterclockwise from top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 A | Analog input/output terminal A | Bidirectional node; connects to Y when IN = LOW, to X when IN = HIGH - forms one half of phase-reversal path |
| 2 B | Analog input/output terminal B | Bidirectional node; connects to X when IN = LOW, to Y when IN = HIGH - complements A to complete bridge reversal |
| 3 GND | Digital ground reference | Reference for logic circuitry only; no analog signal path ties to GND - eliminates ground-loop coupling in sensitive analog systems |
| 4 IN | Logic control input | TTL/CMOS-compatible digital input controlling switch state; accepts voltages down to V− (e.g., −5V) in dual-supply mode |
| 5 V− | Negative analog supply | Sets lower analog signal limit (V− to V+); connect to GND for single-supply operation; powers P-channel switch gates |
| 6 Y | Analog output/input terminal Y | Bidirectional node; output of A–Y and B–Y paths; optimized as output for best AC symmetry |
| 7 X | Analog output/input terminal X | Bidirectional node; output of A–X and B–X paths; used with Y to deliver inverted or non-inverted differential pair |
| 8 V+ | Positive analog/digital supply | Powers N-channel switches and internal logic; internally tied to substrate; sets upper analog signal limit and logic threshold baseline |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports signals from V− to V+ without clipping - enables full dynamic range utilization in ±5V or +3.3V systems |
| Break-before-make timing | 1–20ns guaranteed - prevents momentary short-circuit between A/B and X/Y during state transitions |
| ESD robustness | >2kV per Method 3015.7 - protects against handling damage in automated assembly and field environments |
| Low power consumption | ≤1.0µA max supply current - suitable for battery-powered portable instrumentation and low-quiescent systems |
| Matched on-resistance flatness | ≤15Ω RFLAT(ON) over ±3V signal range - maintains consistent gain and linearity across full analog input span |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
Use Scenario: Auto-zero cycle in precision op-amps where input offset is nulled by reversing input polarity and sampling residual error. IC Role / Device Role / Timing Role: Phase-reversal switch toggling between normal and inverted input paths under clock control; operates at DC–10kHz. Use Value: Enables sub-µV offset correction via synchronous demodulation, leveraging ≤5pC charge injection and ≤7Ω RON match to minimize residual error. |
Use Scenario: Carrier-frequency modulation of sensor signals in industrial transmitters, using square-wave logic input as carrier. IC Role / Device Role / Timing Role: Balanced analog switch acting as polarity-reversing mixer; driven by 50% duty-cycle IN signal up to 100kHz. Use Value: Achieves >70dB carrier suppression with matched RON and low capacitance (13pF), minimizing sideband distortion in 4–20mA loop interfaces. |
| Data Acquisition Systems | Audio-Signal Routing |
Use Scenario: Multiplexing differential sensor inputs (e.g., thermocouples, strain gauges) into a single ADC channel with polarity flexibility. IC Role / Device Role / Timing Role: Bidirectional bridge switch selecting signal polarity before programmable-gain amplifier stage; operated at <1kHz. Use Value: Eliminates need for external op-amp inverter stages; rail-to-rail operation preserves SNR across ±10V input ranges in 16-bit DAQ modules. |
Use Scenario: Polarity-selectable routing in studio-grade audio summing amps or headphone driver calibration circuits. IC Role / Device Role / Timing Role: Low-distortion analog switch inserting phase inversion in signal chain for null testing or balanced output synthesis. Use Value: Delivers THD <0.01% at 1kHz due to ≤110Ω RON, 13pF off-capacitance, and symmetric charge injection - preserving audio fidelity. |
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 SPDT switch (not bridge); 125Ω RON at ±5V; no inherent phase-reversal capability - requires external wiring for polarity inversion | Suitable only when discrete bridge implementation is acceptable; lacks integrated symmetry optimization and matched ∆RON | Select MAX4526ESA+ only if board space allows external layout and higher RON and charge injection (8pC) are tolerable. |
| ADG1419BRMZ | SPDT switch with break-before-make; 1.3Ω typical RON but no native bridge topology; requires dual devices + external logic for phase reversal | Higher performance per switch but doubles component count, PCB area, and timing skew risk versus single-chip MAX4528CSA+T | Choose ADG1419BRMZ only for ultra-low RON needs (>100x lower than MAX4528CSA+T) and when dual-device integration is feasible. |
Compared with MAX4528CSA+T, MAX4526ESA+ lacks integrated bridge functionality and tighter parameter matching, while ADG1419BRMZ offers lower RON but demands external duplication and synchronization-making MAX4528CSA+T the optimal single-package solution for chopper, modulator, and self-calibrating designs requiring guaranteed symmetry and minimal layout complexity.
Availability
MAX4528CSA+T 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 parametric compliance over 0°C to +70°C.
Supply support for MAX4528CSA+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) is a fabless semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and computing applications.
The MAX4528CSA+T belongs to Maxim's precision analog switch product line, engineered specifically for phase-reversal and chopper applications where DC accuracy, low charge injection, and matched on-resistance are mandatory.
FAQ
What is the operating temperature range for MAX4528CSA+T?
The MAX4528CSA+T is rated for 0°C to +70°C ambient operation. This commercial-grade temperature range is confirmed in the Ordering Information table and applies specifically to the 'C' grade suffix in MAX4528CSA+T. It is not rated for extended industrial (−40°C to +85°C) operation - that requires the MAX4528ESA+ or MAX4528EUA variants.
Can MAX4528CSA+T operate from a single +3.3V supply?
Yes, MAX4528CSA+T supports single-supply operation from +2.7V to +12V. At +3.3V, its on-resistance rises 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 - all specified in the +3V Electrical Characteristics table. V− must be tied to GND in this configuration.
Is MAX4528CSA+T pin-compatible with other MAX4528 variants like MAX4528CPA or MAX4528CUA?
Yes, MAX4528CSA+T shares identical pinout and electrical behavior with MAX4528CPA (8-pin DIP) and MAX4528CUA (8-pin µMAX). All three use the same 8-pin functional assignment (A, B, GND, IN, V−, Y, X, V+), differ only in package type and thermal characteristics, and are functionally interchangeable in PCB layouts supporting SO footprint.
Does MAX4528CSA+T require external bypass capacitors?
Yes, MAX4528CSA+T requires 0.1µF ceramic bypass capacitors placed as close as possible between V+ and GND, and between V− and GND. This is explicitly recommended in the Applications Information section to ensure stable switching, minimize supply-induced noise coupling, and maximize carrier suppression in modulator applications.
What is the maximum analog signal frequency supported by MAX4528CSA+T?
MAX4528CSA+T is optimized for DC and low-frequency phase reversal up to 100kHz, as validated in balanced modulator applications. Its −3dB bandwidth exceeds 10MHz (per Figure 12), but usable carrier suppression degrades above 100kHz due to internal capacitance/resistance imbalances - making 100kHz the practical upper limit for high-fidelity modulation/demodulation tasks.
MAX4528CSA+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):
- 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX4528CSA+T FAQ
1.How can I place an order for MAX4528CSA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4528CSA+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 MAX4528CSA+T reliable?
The price and inventory of MAX4528CSA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4528CSA+T is usually 5 days.
3.What payment methods are accepted for MAX4528CSA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4528CSA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4528CSA+T?
MAX4528CSA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4528CSA+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 MAX4528CSA+T?
For technical support, including MAX4528CSA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4528CSA+T requirements.
6.How does Aetrix verify that MAX4528CSA+T is sourced from the original manufacturer or authorized distributors?
All MAX4528CSA+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 MAX4528CSA+T meets industry standards.
7.What is the process for return or replacement of MAX4528CSA+T?
All MAX4528CSA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4528CSA+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 MAX4528CSA+T part is unused and in its original packaging.
Return procedure for MAX4528CSA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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