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Analog Devices Inc./Maxim Integrated MAX4551EPE
- Part No.:
- MAX4551EPE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX4551EPE.pdf
- Description:
- IC SWITCH SPST-NCX4 120OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,152
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Product details
Overview
MAX4551EPE 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 operation from single +2.7V to +12V or dual ±2V to ±6V supplies.
For engineers reviewing the MAX4551EPE datasheet, MAX4551EPE pinout, MAX4551EPE application, or MAX4551EPE equivalent, this device is selected for high-reliability analog switching where ESD robustness, low leakage, matched channel resistance, and TTL/CMOS-compatible logic thresholds are critical - especially in portable test equipment, avionics signal conditioning, and audio routing interfaces.
Technical Context
The MAX4551EPE implements four independent CMOS SPST switches with internal N- and P-channel MOSFETs paralleled per channel, driven by logic-level translators that convert TTL/CMOS inputs into full-rail V+ and V− gate signals. Its ESD protection uses bidirectional SCRs tied to GND on NC/NO pins - not diode clamps - enabling ±15kV contact discharge immunity without supply rail disturbance.
Each switch operates with rail-to-rail analog signal handling (V− to V+), supports break-before-make timing only in the MAX4553 variant (not applicable here), and maintains <1µW static power consumption. The device is fully specified for −40°C to +85°C operation and exhibits matched on-resistance (ΔRON ≤4Ω) and flat on-resistance (RFLAT(ON) ≤8Ω) across its signal range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (max) | 100Ω - ensures minimal signal attenuation and voltage drop in low-level analog paths |
| On-resistance match (max) | 4Ω - enables precise channel-to-channel gain matching in multi-path signal conditioning |
| On-resistance flatness (max) | 8Ω - guarantees consistent insertion loss across full analog input range (V− to V+) |
| COM off-leakage current (max) | 10nA at +85°C - preserves accuracy in high-impedance sensor or DAC output buffering |
| ESD protection | ±15kV per IEC 1000-4-2 on NC/NO pins - eliminates need for external TVS diodes in field-deployed equipment |
| Supply range | +2.7V to +12V single or ±2V to ±6V dual - supports direct integration with Li-ion, 3.3V, 5V, and ±5V systems |
| Logic threshold compatibility | +0.8V / +2.4V - ensures reliable switching with standard TTL and CMOS outputs at +5V supply |
Pinout & Package
MAX4551EPE is housed in a 16-pin plastic DIP package (0.300" wide), with through-hole mounting and industry-standard footprint compatible with legacy prototyping and industrial control PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Digital control inputs; active-low logic drives NC path closed (logic '0' = ON) |
| 2, 7, 10, 15 | COM1–COM4 | Analog common terminals - bidirectional signal path interface for each switch |
| 3, 6, 11, 14 | NC1–NC4 | Normally closed analog terminals - connected to COM when IN = 0; open when IN = 1 |
| 4 | V− | Negative supply pin; connect to GND for single-supply operation; sets lower analog rail limit |
| 5 | GND | Digital ground reference; SCR ESD return path; must be low-impedance plane |
| 13 | V+ | Positive supply for analog switches and internal logic; also substrate connection |
| 12 | N.C. | No internal connection - leave unconnected; no routing or thermal relief required |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full-swing signals from V− to V+, enabling use with bipolar op-amps and unbuffered ADC/DAC interfaces |
| ±15kV IEC 1000-4-2 ESD protection | SCR-based clamping on NC/NO pins prevents latch-up and avoids supply rail coupling during ESD events |
| Low 1nA COM off-leakage at +25°C | Minimizes error in high-Z applications such as piezoelectric sensor front-ends or sample-and-hold circuits |
| Pin-compatible with DG211 | Enables drop-in replacement in existing designs using industry-standard quad SPST switch footprints |
| 4 separately controlled NC switches | Provides independent signal gating per channel - ideal for multiplexing sensor arrays or redundant signal paths |
Applications
| Battery-Operated Test Equipment | Avionics Signal Conditioning |
|---|---|
Use Scenario: Portable multimeter front-end switching between voltage, current, and resistance measurement paths. IC Role / Device Role / Timing Role: Quad NC analog switch isolating input signal paths under microcontroller control; enables automatic range selection. Use Value: ±15kV ESD protection eliminates external protection components; 100Ω RON ensures <0.1% gain error in 10kΩ impedance paths. |
Use Scenario: Selecting between primary and backup inertial measurement unit (IMU) analog outputs in flight control systems. IC Role / Device Role / Timing Role: Redundant signal routing switch with fail-safe NC default state; powered from ±5V avionics bus. Use Value: −40°C to +85°C rating meets DO-160 environmental requirements; 4Ω RON match ensures identical gain across dual channels. |
| Professional Audio Routing | Data Acquisition Multiplexing |
Use Scenario: Input matrix in studio mixer selecting between microphone preamp outputs and line-level sources. IC Role / Device Role / Timing Role: Low-distortion analog switch handling ±10V audio signals; driven by FPGA GPIO with 0.8V/2.4V thresholds. Use Value: Rail-to-rail operation preserves headroom; 3pF COFF minimizes crosstalk between adjacent audio channels. |
Use Scenario: Channel selection in 16-bit precision DAQ system scanning thermocouple, RTD, and strain gauge inputs. IC Role / Device Role / Timing Role: High-Z multiplexer front-end with low leakage (<10nA at +85°C) preventing sensor bias errors. Use Value: 1nA COM off-leakage at room temperature reduces offset drift in 1MΩ sensor bridges by <1µV. |
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 |
|---|---|---|---|
| MAX4552EPE | Four normally open (NO) configuration instead of NC; identical specs otherwise | Suitable where default-open safety state is required (e.g., power-off signal isolation) | Select MAX4552EPE when circuit requires open-circuit default; same pinout and drive compatibility |
| ADG1411BRZ | Higher on-resistance (1.8Ω typical), wider supply range (±15V), but no integrated ±15kV ESD protection | Used in high-voltage industrial I/O modules where external ESD protection is already present | Choose ADG1411BRZ only if ±15V operation is mandatory and board-level ESD design is verified |
Compared with MAX4552EPE, the MAX4551EPE provides fail-safe closed-path behavior on power loss; versus ADG1411BRZ, it delivers certified ±15kV ESD immunity without requiring external protection components - reducing BOM count and layout area in portable and aerospace designs.
Availability
MAX4551EPE is available at Aetrix Electronics and suitable for battery-operated test equipment, avionics signal conditioning, and professional audio routing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4551EPE 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 consumer applications.
The MAX4551/MAX4552/MAX4553 family was engineered for ESD-hardened analog signal routing in portable and mission-critical systems - prioritizing robustness, low leakage, and rail-to-rail fidelity over raw speed or ultra-low RON.
FAQ
What is the maximum allowable voltage difference between V+ and V− for MAX4551EPE?
The absolute maximum V+ to V− differential is 13.0V. For example, operating at ±6V (12V total) is acceptable, but ±6.6V would exceed the rating. At ±5V supplies with ±10% tolerance, peak differential may reach 13.2V - exceeding the limit. Designers must verify worst-case supply tolerances and transient spikes to avoid permanent damage to the MAX4551EPE.
Does MAX4551EPE support single-supply operation below +2.7V?
No. The MAX4551EPE is fully specified down to +2.7V only; operation at +2.5V or lower is not guaranteed. Electrical characteristics such as on-resistance, leakage, and logic thresholds degrade outside the +2.7V to +12V single-supply range. For sub-2.7V applications, consider the MAX4617 or similar low-voltage optimized switches.
How does the SCR-based ESD protection in MAX4551EPE affect system design?
The MAX4551EPE's internal SCRs latch during an ESD event and require external current limiting (<35mA at +85°C) on NC/NO pins to ensure turn-off. Sources connected to these pins must include series resistors (e.g., 10kΩ) to keep current below holding-current thresholds. Failure to do so may cause persistent latch-up, disrupting signal integrity until power cycle.
Can MAX4551EPE be used with +3.3V logic while powered from ±5V analog supplies?
Yes. The MAX4551EPE logic inputs accept +0.8V / +2.4V thresholds, making them compatible with +3.3V CMOS outputs even when V+ = +5V and V− = −5V. No level-shifting is needed. However, ensure the +3.3V logic ground is tightly coupled to the MAX4551EPE GND pin to maintain noise immunity and threshold accuracy.
Is the MAX4551EPE pinout compatible with the DG211 series?
Yes. The MAX4551EPE is explicitly designed as a pin-compatible upgrade to the industry-standard DG211, sharing identical pin functions, spacing, and DIP-16 mechanical dimensions. This allows direct replacement in legacy designs without PCB modification, while adding ±15kV ESD protection and improved leakage performance over the DG211.
MAX4551EPE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
MAX4551EPE FAQ
1.How can I place an order for MAX4551EPE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4551EPE 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 MAX4551EPE reliable?
The price and inventory of MAX4551EPE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4551EPE is usually 5 days.
3.What payment methods are accepted for MAX4551EPE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4551EPE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4551EPE?
MAX4551EPE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4551EPE 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 MAX4551EPE?
For technical support, including MAX4551EPE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4551EPE requirements.
6.How does Aetrix verify that MAX4551EPE is sourced from the original manufacturer or authorized distributors?
All MAX4551EPE 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 MAX4551EPE meets industry standards.
7.What is the process for return or replacement of MAX4551EPE?
All MAX4551EPE units undergo pre-shipment inspection (PSI). If there is an issue with MAX4551EPE, 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 MAX4551EPE part is unused and in its original packaging.
Return procedure for MAX4551EPE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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