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Analog Devices Inc./Maxim Integrated MAX351ESE+
- Part No.:
- MAX351ESE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX351ESE+.pdf
- Description:
- IC SWITCH SPST-NCX4 35OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:498
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Product details
Overview
MAX351ESE+ from Maxim Integrated is a precision quad SPST analog switch with four normally closed (NC) channels, fabricated using a 44V silicon-gate process. It delivers <35Ω on-resistance (typ. 22Ω), <2Ω channel-to-channel matching, <10pC charge injection, and rail-to-rail analog signal handling up to ±15.5V. It operates from ±4.5V to ±20V bipolar or +10V to +30V single supply, supporting military radios and guidance systems requiring low-leakage, high-isolation switching.
For engineers reviewing the MAX351ESE+ datasheet, MAX351ESE+ pinout, MAX351ESE+ application, or MAX351ESE+ equivalent, key selection criteria include guaranteed on-resistance flatness (∆3Ω max), ESD tolerance >2000V, off-isolation >68dB at 1MHz, and compatibility with TTL/CMOS logic levels across industrial temperature range (–40°C to +85°C).
Technical Context
The MAX351ESE+ implements monolithic CMOS SPST switches with substrate tied to V+, enabling robust 44V breakdown voltage and rail-to-rail analog signal operation. Its architecture guarantees matched on-resistance between all four NC channels and maintains flat RON over the full analog input range - critical for precision sample-and-hold and multiplexed test equipment.
It supports dual-supply (±4.5V to ±20V) or single-supply (+10V to +30V) biasing, with VL pin configurable for TTL (5V) or CMOS (V+) logic compatibility. Input leakage remains <6nA at +85°C, and turn-on/turn-off times are <175ns/<145ns under load, ensuring fast settling in battery-operated and communications systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On Resistance | <35Ω max (22Ω typ); enables low-voltage-drop signal routing in precision instrumentation |
| On Resistance Match | <2Ω between channels; ensures consistent gain/attenuation across multi-channel data acquisition |
| Charge Injection | <10pC; minimizes voltage glitch in sample-and-hold circuits and ADC front-ends |
| Off Isolation | >68dB at 1MHz; suppresses crosstalk between active and inactive channels in PBX systems |
| Analog Signal Range | ±15.5V (bipolar), 0V to V+ (single-supply); supports full-rail signal switching without clipping |
| ESD Rating | >2000V per Method 3015.7; enhances reliability in handling-sensitive military and avionics environments |
| Supply Range | ±4.5V to ±20V or +10V to +30V; allows flexible power architecture in mixed-signal embedded designs |
Pinout & Package
MAX351ESE+ uses a 16-pin narrow SOIC package (JEDEC MS-012AA, 7.5mm × 5.3mm body, 1.27mm pitch). Pin 1 is IN1; pins 2, 15, 10, and 7 are COM1–COM4; pins 3, 15, 11, and 6 are NC1–NC4; V+ (pin 13), V− (pin 4), GND (pin 5), VL (pin 12), and remaining INx pins complete the interface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (pins 15,14,7,6) | Logic control inputs | Accept TTL/CMOS-compatible signals to enable/disable respective NC switches |
| COM1–COM4 (pins 2,15,10,7) | Analog common terminals | Connect to signal source or load; current path when corresponding NC switch closes |
| NC1–NC4 (pins 1,12,11,4) | Normally closed analog terminals | Shorted to COMx when INx = LOW; open when INx = HIGH - default-closed fail-safe behavior |
| V+ (pin 13) | Positive supply | Bias for analog path and substrate connection; must be ≥|V−| to maintain 44V breakdown rating |
| V− (pin 4) | Negative supply | Required for bipolar operation; ties to GND for single-supply mode |
| GND (pin 5) | Ground reference | Return path for logic and supply currents; separate from analog ground in mixed-signal layouts |
| VL (pin 12) | Logic supply | Set to 5V for TTL compatibility or to V+ for CMOS-level inputs; decoupling recommended |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports input voltages from V− to V+ without distortion - essential for ±15V op-amp interfaces |
| Guaranteed on-resistance flatness | ∆RON ≤ 3Ω over full analog range - preserves linearity in precision sensor signal chains |
| Low off-channel leakage | <6nA at +85°C - prevents signal corruption in high-impedance battery-powered measurement nodes |
| Fast switching with low charge injection | 175ns tON/145ns tOFF and <10pC Q - enables accurate sampling at >1MHz in automated test equipment |
| Bipolar and single-supply flexibility | Operates from ±4.5V to ±20V or +10V to +30V - simplifies power design in legacy and new industrial platforms |
Applications
| Military Radios | Guidance and Control Systems |
|---|---|
Use Scenario: RF front-end signal routing and antenna switching in handheld and vehicle-mounted tactical radios. IC Role / Device Role / Timing Role: Quad NC switch isolates receive paths during transmit bursts and routes calibration signals to internal test points. Use Value: Low 22Ω RON and >68dB off-isolation prevent desensitization and intermodulation in crowded spectrum environments. | Use Scenario: Multiplexing inertial sensor outputs (gyro, accelerometer) into shared ADC channels in flight control units. IC Role / Device Role / Timing Role: Precision analog switch providing fault-tolerant, low-glitch signal selection with fail-closed default state. Use Value: Guaranteed <2Ω RON match and <10pC charge injection ensure sub-LSB error in 16-bit data acquisition subsystems. |
| Sample-and-Hold Circuits | Battery-Operated Systems |
Use Scenario: Sampling phase control in high-speed precision ADC drivers where hold capacitor charging must be glitch-free. IC Role / Device Role / Timing Role: Normally closed switch connects input to hold capacitor during sample phase; opens cleanly on command. Use Value: Ultra-low 10pC charge injection eliminates pedestal error and reduces required hold capacitor size by up to 30%. | Use Scenario: Power domain isolation and sensor signal gating in portable medical monitors and handheld test meters. IC Role / Device Role / Timing Role: Low-leakage NC switch disconnects unused analog sections to extend battery life between measurements. Use Value: <6nA off-leakage at +85°C and 35µW quiescent power minimize standby current drain in energy-constrained designs. |
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 |
|---|---|---|---|
| MAX352ESE+ | Four normally open (NO) configuration vs. MAX351ESE+'s NC topology; identical RON, leakage, and timing specs | Suitable where default-open safety state is required (e.g., power-down signal isolation) | Select MAX352ESE+ when circuit requires open-circuit default; MAX351ESE+ preferred for fail-closed redundancy |
| ADG444BRUZ | Quad NO switch with 44Ω RON (max), 25pC charge injection, and –40°C to +85°C rating; uses 16-TSSOP package | Higher RON and charge injection limit use in ultra-precision sample-and-hold or low-noise sensor mux | Choose ADG444BRUZ only if pin count and temperature range match and 44Ω RON is acceptable for system accuracy budget |
Compared with MAX351ESE+, MAX352ESE+ offers identical performance in a complementary logic sense (NO vs. NC), while ADG444BRUZ trades higher on-resistance and charge injection for broader vendor availability - making MAX351ESE+ optimal for NC-critical, low-glitch, high-isolation applications.
Availability
MAX351ESE+ is available at Aetrix Electronics and suitable for military radios, guidance and control systems, and sample-and-hold circuits requiring stable component supply across extended temperature and long-lifecycle programs.
Supply support for MAX351ESE+ 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 precision analog, mixed-signal, and high-reliability ICs for demanding industrial, automotive, and aerospace applications.
The MAX351/MAX352/MAX353 family was engineered specifically for high-fidelity analog signal routing in mission-critical systems where low charge injection, matched on-resistance, and rail-to-rail operation are non-negotiable.
FAQ
What is the maximum analog signal voltage range supported by the MAX351ESE+?
The MAX351ESE+ supports an analog signal range from V− to V+, enabling rail-to-rail operation. With ±15V supplies, it handles ±15.5V signals; with +12V single supply (V− = GND), it passes 0V to +12V. The 44V absolute maximum V+–V− differential ensures robustness against transient overvoltage in harsh environments.
How does the MAX351ESE+ differ from the MAX352ESE+ in functionality?
The MAX351ESE+ integrates four normally closed (NC) SPST switches, while the MAX352ESE+ provides four normally open (NO) switches. All electrical specifications - including on-resistance, leakage, switching speed, and supply ranges - are identical. The functional difference lies solely in default state: MAX351ESE+ conducts when unpowered or logic-low; MAX352ESE+ isolates unless actively enabled.
Can the MAX351ESE+ operate from a single +5V supply?
No. The MAX351ESE+ requires minimum ±4.5V bipolar or +10V single supply per its Absolute Maximum Ratings and Electrical Characteristics tables. Operation below +10V violates specified performance - on-resistance increases sharply, and switching times degrade beyond guarantee. For +5V systems, consider lower-voltage alternatives like the MAX4617.
What is the purpose of the VL pin on the MAX351ESE+?
The VL pin sets the logic threshold reference: connect to +5V for TTL-compatible inputs (2.4V high, 0.8V low) or tie to V+ for CMOS-level compatibility. It decouples logic interface from analog supply rails, reducing noise coupling and enabling mixed-voltage system integration without level shifters.
Is the MAX351ESE+ suitable for use in space-constrained PCB designs?
Yes. The MAX351ESE+ uses a 16-pin narrow SOIC package (7.5mm × 5.3mm), significantly smaller than legacy 16-DIP variants. Its 1.27mm lead pitch supports standard reflow assembly, and thermal characteristics (696mW PD at +70°C) allow dense placement with minimal heatsinking in compact military and avionics modules.
MAX351ESE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 35Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm (Max)
- Voltage - Supply, Single (V+):
- 10V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 175ns, 145ns
- -3db Bandwidth:
- -
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF, 9pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX351ESE+ FAQ
1.How can I place an order for MAX351ESE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX351ESE+ 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 MAX351ESE+ reliable?
The price and inventory of MAX351ESE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX351ESE+ is usually 5 days.
3.What payment methods are accepted for MAX351ESE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX351ESE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX351ESE+?
MAX351ESE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX351ESE+ 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 MAX351ESE+?
For technical support, including MAX351ESE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX351ESE+ requirements.
6.How does Aetrix verify that MAX351ESE+ is sourced from the original manufacturer or authorized distributors?
All MAX351ESE+ 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 MAX351ESE+ meets industry standards.
7.What is the process for return or replacement of MAX351ESE+?
All MAX351ESE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX351ESE+, 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 MAX351ESE+ part is unused and in its original packaging.
Return procedure for MAX351ESE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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