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Analog Devices Inc./Maxim Integrated MAX4551CEE+T
- Part No.:
- MAX4551CEE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX4551CEE+T.pdf
- Description:
- IC SW SPST-NCX4 120OHM 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,354
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Product details
Overview
MAX4551CEE+T from Maxim Integrated is a quad, low-voltage, normally closed (NC) SPST analog switch IC designed for rail-to-rail signal routing in battery-powered and precision analog systems. It features ±15kV IEC 1000-4-2 ESD protection on NC/NO pins, 100Ω max on-resistance (flatness ≤8Ω), 1nA COM off-leakage at +25°C, and operates from +2.7V to +12V single supply or ±2V to ±6V dual supplies - enabling use in portable data acquisition front-ends.
For engineers reviewing the MAX4551CEE+T datasheet, MAX4551CEE+T pinout, MAX4551CEE+T application, or MAX4551CEE+T equivalent, this page delivers verified specifications, validated pin functions, real-world analog switching use cases, and confirmed alternative parts with documented technical and application-level differences.
Technical Context
The MAX4551CEE+T implements four independent CMOS SPST switches with NC configuration, each using paralleled N- and P-channel MOSFETs driven by logic-level translators referenced to V+ and V−. Its internal SCR-based ESD protection activates within nanoseconds during ±15kV contact discharge events, clamping NC/NO pins to GND without latchup.
Signal handling is rail-to-rail across the full analog range (V− to V+), with on-resistance matching ≤4Ω between channels and flatness ≤8Ω over ±4.5V. Input logic thresholds (VIN_H = 2.4V, VIN_L = 0.8V at +5V supply) ensure TTL/CMOS compatibility without external level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | Quad SPST, normally closed (NC) - all four switches conduct when IN = 0V |
| On-Resistance (RON) | 100Ω max at ±5V supplies - ensures minimal signal attenuation in 50–600Ω systems |
| On-Resistance Flatness | 8Ω max over ±4.5V signal range - preserves linearity in audio and sensor signal paths |
| ESD Protection | ±15kV per IEC 1000-4-2 on NC/NO pins - eliminates need for external TVS diodes in handheld test gear |
| Off-Leakage Current | 1nA at +25°C, 10nA at +85°C - enables high-impedance sensor multiplexing without DC error drift |
| Supply Range | +2.7V to +12V single supply or ±2V to ±6V dual supply - supports Li-ion battery (3.0–4.2V) and industrial ±5V rails |
| Turn-On/Off Time | 100ns / 90ns typical at ±5V - suitable for <10MHz multiplexed data acquisition sampling |
Pinout & Package
MAX4551CEE+T is housed in a 16-pin QSOP (Quarter-Size Outline Package) with 0.65mm lead pitch and 5.0mm × 4.0mm body size. Pin 12 is No Connect (N.C.).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 1, 8, 9, 16) | Digital control inputs | Active-low logic: IN = 0V closes NC switch; IN = V+ opens it - compatible with 3.3V/5V microcontroller GPIO |
| COM1–COM4 (Pins 2, 7, 10, 15) | Analog common terminals | Bi-directional signal path endpoints - connect to ADC input, DAC output, or sensor node |
| NC1–NC4 (Pins 3, 6, 11, 14) | Normally closed analog terminals | Conduct to corresponding COM pin when IN = 0V; open when IN = V+ - used for default-path signal routing |
| V+ (Pin 13) | Positive supply | Powers analog switches and internal logic; internally tied to substrate - must be decoupled with 100nF to GND |
| V− (Pin 4) | Negative supply | Connect to GND for single-supply operation; sets lower analog rail limit in dual-supply mode |
| GND (Pin 5) | Digital ground reference | Return path for logic circuitry and ESD SCR clamp - must tie to system ground plane, not analog ground |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports signals from V− to V+ (e.g., −5V to +5V or 0V to +3.3V) without clipping or distortion |
| ±15kV IEC 1000-4-2 ESD protection | Integrated SCRs on NC/NO pins eliminate external protection components in field-deployable test equipment |
| Low 1nA off-leakage at +25°C | Enables accurate multiplexing of high-impedance sources (e.g., thermocouples, pH electrodes) without gain/offset errors |
| Pin-compatible with DG211 | Direct drop-in replacement for legacy industry-standard quad SPST switches - no PCB redesign required |
| Single +2.7V minimum supply | Operates from partially discharged Li-ion cells (≥2.7V), extending battery life in portable instrumentation |
Applications
| Battery-Powered Data Loggers | Avionics Signal Conditioning |
|---|---|
Use Scenario: Multiplexing multiple thermistor and RTD inputs into a single 24-bit sigma-delta ADC in an unmanned aerial vehicle (UAV) environmental monitor. IC Role / Device Role / Timing Role: Quad NC switch routes analog sensor outputs to ADC input while maintaining default connection integrity during MCU sleep cycles. Use Value: 1nA off-leakage prevents DC error accumulation across 10MΩ sensor bridges; ±15kV ESD withstand protects against static discharge during field maintenance. |
Use Scenario: Isolating cockpit audio inputs (microphone, intercom, radio) from flight control bus noise in certified avionics units. IC Role / Device Role / Timing Role: NC configuration provides fail-safe signal continuity; fast 100ns switching enables dynamic re-routing during communication priority handoffs. Use Value: Rail-to-rail support handles ±4V audio peaks; 8Ω on-resistance flatness preserves THD <0.01% up to 20kHz. |
| Portable Test & Measurement Equipment | Industrial Sensor Interface Modules |
Use Scenario: Configuring input ranges (±10V, 0–5V, 4–20mA) in handheld multimeters and oscilloscope probes via microcontroller-controlled analog switching. IC Role / Device Role / Timing Role: Four NC switches select gain-setting resistors and reference paths in programmable analog front-end (AFE). Use Value: 100Ω max RON introduces <0.1% gain error in 100kΩ feedback networks; 16-pin QSOP fits compact handheld form factors. |
Use Scenario: Multiplexing 8-channel 4–20mA current loop sensors into a PLC analog input card with cold-junction compensation. IC Role / Device Role / Timing Role: NC switches maintain default sensor connection during power-up and firmware initialization sequences. Use Value: Dual-supply operation (±5V) supports isolated current-loop receivers; 10nA off-leakage at +85°C ensures accuracy in cabinet-mounted enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4552CEE+T | Quad NO (normally open) configuration - conducts only when IN = V+ | Used where default-open safety state is required (e.g., power enable, fault isolation) | Select MAX4552CEE+T when system requires de-energized default state; otherwise MAX4551CEE+T maintains signal continuity at power-on. |
| ADG1411BRUZ | Lower 1.8Ω typical RON but no integrated ±15kV ESD protection - requires external TVS diodes | Suitable for lab-grade bench instruments with controlled ESD environments, not field-deployable gear | Choose ADG1411BRUZ only if ultra-low on-resistance is critical and board space allows discrete ESD protection; MAX4551CEE+T reduces BOM count and layout risk. |
Compared with MAX4552CEE+T, the MAX4551CEE+T provides fail-safe default conduction ideal for sensor monitoring; versus ADG1411BRUZ, it trades 1.8Ω RON for integrated ±15kV ESD robustness and zero external protection components - simplifying design validation for portable and industrial deployments.
Availability
MAX4551CEE+T is available at Aetrix Electronics and suitable for battery-operated equipment, data acquisition systems, and avionics signal routing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4551CEE+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 demanding industrial, automotive, and communications applications.
The MAX4551/MAX4552/MAX4553 family was engineered specifically for robust, low-leakage analog signal switching in ESD-prone portable and test equipment - prioritizing rail-to-rail performance, integrated protection, and wide supply flexibility.
FAQ
What is the maximum allowable voltage difference between V+ and V− for MAX4551CEE+T?
The absolute maximum V+ to V− differential is 13.0V. At ±5V nominal supplies (±10% tolerance), the worst-case differential reaches 13.2V - exceeding rating. To ensure reliability, use ±4.8V or tighter-tolerance supplies, or verify transient spikes remain below 13.0V. This limit applies strictly to MAX4551CEE+T and is enforced by internal junction breakdown limits.
Does MAX4551CEE+T support true rail-to-rail operation with a +3.3V single supply?
Yes. With V+ = +3.3V and V− = GND, MAX4551CEE+T supports analog signals from 0V to +3.3V. On-resistance is 500Ω max (typical 200Ω), and logic thresholds adjust to VIN_H = 2.0V / VIN_L = 0.5V - ensuring reliable control from 3.3V microcontrollers. This capability is explicitly characterized in the +3V supply section of the MAX4551CEE+T datasheet.
How does the SCR-based ESD protection in MAX4551CEE+T behave after a ±15kV event?
After an ESD strike, the internal SCR latches on until current drops below its holding threshold (70mA at +85°C). To guarantee automatic recovery, external sources connected to NC/NO pins must be current-limited to ≤35mA. MAX4551CEE+T's SCR design avoids supply rail disturbance - unlike diode-clamp alternatives - preserving system stability during ESD events.
Can MAX4551CEE+T be used in audio signal routing applications?
Yes. With 100Ω max RON, 8Ω flatness, and <0.01% THD at 20kHz (per Typical Operating Characteristics), MAX4551CEE+T supports line-level and microphone-level audio routing. Its 3.5pF off-capacitance and >90dB off-isolation at 100kHz minimize crosstalk between channels - validated in audio signal routing applications per the MAX4551CEE+T manufacturer's application notes.
Is MAX4551CEE+T pin-compatible with the DG211 series?
Yes. The MAX4551CEE+T shares identical pinout, function mapping, and package dimensions with the DG211, DG212, and DG213. This allows direct replacement without PCB modification - confirmed by Maxim's "Pin-Compatible with Industry-Standard DG211/DG212/DG213" feature statement and functional diagram alignment in the MAX4551CEE+T datasheet.
MAX4551CEE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 120Ohm
- Channel-to-Channel Matching (ΔRon):
- 1Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 12V
- Voltage - Supply, Dual (V±):
- ±2V ~ 6V
- Switch Time (Ton, Toff) (Max):
- 110ns, 90ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 3.5pF, 3pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -90dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP
MAX4551CEE+T FAQ
1.How can I place an order for MAX4551CEE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4551CEE+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 MAX4551CEE+T reliable?
The price and inventory of MAX4551CEE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4551CEE+T is usually 5 days.
3.What payment methods are accepted for MAX4551CEE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4551CEE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4551CEE+T?
MAX4551CEE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4551CEE+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 MAX4551CEE+T?
For technical support, including MAX4551CEE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4551CEE+T requirements.
6.How does Aetrix verify that MAX4551CEE+T is sourced from the original manufacturer or authorized distributors?
All MAX4551CEE+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 MAX4551CEE+T meets industry standards.
7.What is the process for return or replacement of MAX4551CEE+T?
All MAX4551CEE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4551CEE+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 MAX4551CEE+T part is unused and in its original packaging.
Return procedure for MAX4551CEE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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