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Analog Devices Inc./Maxim Integrated MAX4528CSA
- Part No.:
- MAX4528CSA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4528CSA.pdf
- Description:
- IC SWITCH SPDT X 2 110OHM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,031
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Product details
Overview
MAX4528CSA from Maxim Integrated is a low-voltage, 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 supports precision DC/low-frequency phase reversal in instrumentation front-ends.
For engineers reviewing the MAX4528CSA datasheet, MAX4528CSA pinout, MAX4528CSA application, or MAX4528CSA equivalent, key selection criteria include verified on-resistance matching (≤7Ω), leakage current (0.5nA @ +25°C), TTL/CMOS-compatible logic thresholds, ESD robustness (>2kV), and SO-8 package compatibility with chopper amplifier biasing and balanced modulator topologies.
Technical Context
The MAX4528CSA implements a fully integrated bridge configuration of four CMOS switches (two NO, two NC) enabling true differential phase reversal without external wiring. Its internal logic-level translator drives N- and P-channel gates with out-of-phase V+ and V− signals, ensuring symmetrical conduction paths and minimized charge injection mismatch.
It features bidirectional analog signal routing between pins A/B (inputs) and X/Y (outputs), with IN controlling cross-coupling: IN = LOW connects A→Y and B→X; IN = HIGH connects A→X and B→Y. Analog voltage range spans V− to V+, supporting rail-to-rail operation under ±5V, +5V, or +3V supplies - all validated across 0°C to +70°C.
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 or bipolar instrumentation systems |
| On-Resistance (RON) | 110Ω max (±5V), 175Ω max (+5V), 900Ω max (+3V) - defines insertion loss and gain error in precision signal paths |
| On-Resistance Match (∆RON) | 7Ω max (±5V), 10Ω max (+5V) - ensures amplitude symmetry critical for chopper offset cancellation |
| Charge Injection (Q) | 5pC max - limits voltage glitch and settling error during switching in auto-zeroing circuits |
| Transition Time (tTRANS) | <100ns (±5V), 175ns (+5V), 400ns (+3V) - determines maximum usable modulation frequency in demodulator applications |
| Leakage Current (IA/IB/IX/IY) | 0.5nA max @ +25°C, 20nA max @ +85°C - preserves high-impedance node integrity in sensor interfaces and integrators |
| Logic Thresholds (VINH/VINL) | 0.8V–2.4V - guarantees interoperability with both TTL and CMOS digital controllers without level-shifting |
Pinout & Package
MAX4528CSA is housed in an 8-pin SO (Small Outline) package, surface-mount compatible, with standard 1.27mm pitch and JEDEC MS-012AC footprint. Pin 1 is marked with a beveled corner or dot; pin numbering follows counterclockwise convention from top-left when viewing top side.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 A | Analog input terminal A | Bidirectional analog node; connected to Y when IN = LOW, to X when IN = HIGH - primary signal path input |
| 2 B | Analog input terminal B | Bidirectional analog node; connected to X when IN = LOW, to Y when IN = HIGH - complements A for differential reversal |
| 3 GND | Digital ground reference | Reference for internal logic and level translator only; analog signals are fully floating between V+ and V− |
| 4 IN | Logic control input | TTL/CMOS-compatible digital input controlling phase state; accepts voltages from V− to V+ (no GND reference required) |
| 5 V− | Negative analog supply | Connect to GND for single-supply operation; sets lower bound of analog signal range and biases P-channel switches |
| 6 Y | Analog output terminal Y | Bidirectional analog node; outputs inverted or non-inverted signal depending on IN state - used with X for balanced output |
| 7 X | Analog output terminal X | Bidirectional analog node; complements Y to form differential output pair - AC symmetry optimized when A/B are inputs, X/Y outputs |
| 8 V+ | Positive analog/digital supply | Internally tied to substrate; powers analog switches and logic; sets upper analog signal limit and gate drive strength |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full V− to V+ swing - eliminates clipping in wide-dynamic-range chopper amplifiers and self-calibrating ADC front-ends |
| 5pC max charge injection | Minimizes voltage transient at switched nodes - essential for low-offset, low-drift zeroing cycles in precision op-amp designs |
| Transition time <100ns (±5V) | Enables carrier frequencies up to 100kHz in balanced modulators - sufficient for precision sensor excitation and synchronous detection |
| On-resistance match ≤7Ω (±5V) | Ensures amplitude balance between signal paths - directly improves common-mode rejection and offset cancellation accuracy |
| >2kV ESD protection (HBM) | Provides robustness against handling and board-level transients - reduces field failure risk in test equipment and industrial DAQ modules |
| TTL/CMOS-compatible logic inputs | Eliminates need for external level shifters - simplifies interface to microcontrollers, FPGAs, and digital sequencers in embedded systems |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
|
Use Scenario: Precision DC amplification in strain gauge or thermocouple interfaces where input offset drift must be nulled via periodic polarity reversal. IC Role / Device Role / Timing Role: Phase-reversal switch toggling input polarity at chopper frequency (typically 10Hz–10kHz); synchronizes with auto-zero cycle of downstream op-amp. Use Value: Enables sub-µV offset stability by canceling amplifier input-stage drift through synchronous reversal and averaging - leveraging matched RON and low Q to preserve signal integrity. |
Use Scenario: Carrier-synchronous modulation of low-frequency sensor signals (e.g., RTD or LVDT outputs) for noise-immune transmission over long cables. IC Role / Device Role / Timing Role: Balanced analog switch acting as polarity-controlled signal router; IN driven by square-wave carrier (up to 100kHz) to alternate signal path polarity. Use Value: Achieves >70dB carrier suppression via matched on-resistance and low capacitance imbalance - critical for high-SNR demodulation in industrial feedback loops. |
| Data Acquisition Systems | Audio-Signal Routing |
|
Use Scenario: Multiplexed high-resolution ADC front-end requiring channel-specific offset calibration and gain matching across multiple sensor inputs. IC Role / Device Role / Timing Role: Per-channel phase-reversal element in programmable gain instrumentation amplifier (PGIA) topology; enables correlated double sampling (CDS). Use Value: Reduces effective input-referred offset and 1/f noise by 50%+ through CDS - enabled by rail-to-rail swing and sub-nA leakage preserving charge integration accuracy. |
Use Scenario: Polarity-selectable routing in professional audio mixers or studio monitor controllers requiring phase-inversion for mono summing or speaker polarity correction. IC Role / Device Role / Timing Role: Bidirectional analog switch implementing hardware-based phase flip; controlled by user interface logic or DSP GPIO. Use Value: Delivers transparent audio path with <110Ω RON and <5pC Q - avoids audible click/pop artifacts and preserves wideband fidelity (20Hz–20kHz) without added distortion. |
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 | Higher on-resistance (150Ω max @ ±5V), wider temp range (−40°C to +85°C), same SO-8 package | Targeted at extended-temperature industrial DAQ; less suitable for ultra-low-offset chopper amps due to higher RON and ∆RON | Select when operating beyond 0°C–70°C and moderate RON tolerance is acceptable |
| ADG1419BRMZ | Lower on-resistance (4.7Ω typ), higher supply voltage (±15V), different pinout (10-lead MSOP), no phase-reversal bridge architecture | Requires external H-bridge wiring for polarity reversal; better for high-voltage, low-RON multiplexing than native phase reversal | Choose only if redesign permits discrete bridge implementation and ±15V rails are available |
Compared with MAX4528CSA, MAX4526ESA offers broader temperature support but sacrifices RON performance, while ADG1419BRMZ delivers superior on-resistance at the cost of architectural complexity and pinout incompatibility - making MAX4528CSA the optimal choice for compact, integrated phase reversal at low-to-moderate supply voltages.
Availability
MAX4528CSA is available at Aetrix Electronics and suitable for chopper-stabilized amplifiers, balanced modulators/demodulators, and data acquisition systems requiring stable component supply, consistent parametric performance across production lots, and long-term obsolescence management.
Supply support for MAX4528CSA 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 semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and computing applications.
The MAX4528CSA belongs to Maxim's precision analog switch family, designed specifically for phase-reversal, chopper stabilization, and balanced signal routing - emphasizing low charge injection, matched on-resistance, and rail-to-rail operation in compact packages.
FAQ
What is the operating temperature range for the MAX4528CSA?
The MAX4528CSA is rated for 0°C to +70°C ambient operation. This commercial-grade temperature range is specified in the Ordering Information table and applies to all electrical characteristics unless otherwise noted. The device is not qualified for extended industrial (−40°C to +85°C) operation - for that, the MAX4528ESA variant must be selected. All parametric performance data in the datasheet assumes operation within this 0°C to +70°C window.
Can the MAX4528CSA operate from a single +3.3V supply?
Yes, the MAX4528CSA supports +3.3V single-supply operation. With V− tied to GND and V+ = +3.3V, it delivers ≤900Ω on-resistance, 5pC max charge injection, and 400ns max transition time. Logic thresholds remain valid (VINL = 0.6V–0.9V, VINH = 0.9V–2.4V), ensuring compatibility with 3.3V CMOS controllers. However, RON increases significantly versus ±5V operation, so system-level signal integrity must be verified per application.
Does the MAX4528CSA require external bypass capacitors?
Yes, the MAX4528CSA requires 0.1µF ceramic bypass capacitors placed as close as possible to the V+ and V− pins. This is explicitly recommended in the Applications Information section for balanced modulator/demodulator circuits to ensure stable switching, minimize supply-induced crosstalk, and maximize carrier suppression. Without proper local decoupling, transition time jitter, increased leakage, and degraded off-isolation may occur - especially at higher frequencies or under dynamic load conditions.
Is the MAX4528CSA pin-compatible with other variants like MAX4528CPA or MAX4528CUA?
Yes, the MAX4528CSA shares identical pinout and functionality with MAX4528CPA (8-pin DIP) and MAX4528CUA (8-pin µMAX). All three variants implement the same phase-reversal bridge topology, electrical specifications, and truth table. Differences are limited to package type and temperature grade: MAX4528CSA uses SO-8 and is rated 0°C to +70°C, matching the CPA and CUA variants' thermal specification - enabling direct PCB footprint substitution where package constraints allow.
How does the MAX4528CSA achieve phase reversal without external components?
The MAX4528CSA achieves native phase reversal via its monolithic 2×2 bridge switch architecture: two normally open and two normally closed CMOS switches are internally arranged so that IN = LOW routes A→Y and B→X, while IN = HIGH routes A→X and B→Y - effectively swapping output polarity. Unlike discrete H-bridges, this integrated design guarantees matched RON, ∆RON ≤7Ω, and synchronized switching - eliminating external transistor pairs, timing skew, and layout asymmetry that degrade chopper amplifier performance.
MAX4528CSA 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):
- 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 FAQ
1.How can I place an order for MAX4528CSA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4528CSA 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 reliable?
The price and inventory of MAX4528CSA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4528CSA is usually 5 days.
3.What payment methods are accepted for MAX4528CSA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4528CSA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4528CSA?
MAX4528CSA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4528CSA 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?
For technical support, including MAX4528CSA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4528CSA requirements.
6.How does Aetrix verify that MAX4528CSA is sourced from the original manufacturer or authorized distributors?
All MAX4528CSA 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 meets industry standards.
7.What is the process for return or replacement of MAX4528CSA?
All MAX4528CSA units undergo pre-shipment inspection (PSI). If there is an issue with MAX4528CSA, 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 part is unused and in its original packaging.
Return procedure for MAX4528CSA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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