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Analog Devices Inc./Maxim Integrated MAX351CSE+T
- Part No.:
- MAX351CSE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX351CSE+T.pdf
- Description:
- IC SWITCH SPST-NCX4 35OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,428
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Product details
Overview
MAX351CSE+T 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 (max), <2Ω channel-to-channel match, <3Ω on-resistance flatness over ±15V signal range, <250pA leakage at +25°C, and <175ns turn-on time - enabling high-fidelity signal routing in military radios and guidance systems.
For engineers reviewing the MAX351CSE+T datasheet, MAX351CSE+T pinout, MAX351CSE+T application, or MAX351CSE+T equivalent, key selection criteria include rail-to-rail analog handling (±4.5V to ±20V or +10V to +30V supplies), guaranteed 10pC charge injection, CMOS/TTL logic compatibility, and ESD >2000V - critical for battery-operated test equipment and heads-up displays requiring low-leakage, low-distortion switching.
Technical Context
The MAX351CSE+T implements monolithic CMOS SPST switches with substrate tied to V+, enabling true rail-to-rail analog signal operation across its full ±4.5V to ±20V bipolar or +10V to +30V single-supply range. Its architecture guarantees matched on-resistance (<2Ω) and flat on-resistance (∆3Ω max) only under bipolar supply conditions, per datasheet Note 5.
Logic inputs are compatible with TTL and CMOS levels via dedicated VL pin (typically +5V), while internal protection diodes clamp analog terminals (COM/NO/NC) to V± ±2V. Charge injection is tightly controlled at ≤10pC, and off-isolation exceeds 68dB at 1MHz - essential for sample-and-hold circuits where signal integrity and settling time are paramount.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On Resistance | <35Ω max - ensures minimal signal attenuation and gain error in precision instrumentation paths |
| On Resistance Match | <2Ω between channels - enables accurate differential or ratiometric measurements without calibration |
| Charge Injection | <10pC - limits voltage glitch on sampled capacitors, preserving accuracy in ADC front-ends |
| Off-Leakage Current | <6nA at +85°C - prevents drift in high-impedance sensor interfaces and long-time-constant integrators |
| Switching Speed | 175ns turn-on / 145ns turn-off - supports multiplexing of signals up to ~2MHz without significant timing skew |
| Analog Signal Range | ±15.5V with ±16.5V supplies - allows full utilization of 16-bit DAC/ADC dynamic range in industrial control |
| ESD Rating | >2000V HBM - enhances robustness during board handling and field deployment in rugged environments |
Pinout & Package
MAX351CSE+T is housed in a 16-pin narrow SOIC (Small Outline Integrated Circuit) package, 3.9mm wide, with standard 1.27mm pitch and gull-wing leads. Pin 1 is marked by a beveled corner or dot; device orientation follows JEDEC MS-012AA.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16, 9, 8 | IN1–IN4 | CMOS/TTL-compatible logic inputs controlling NC switch state (low = ON for MAX351) |
| 2, 15, 10, 7 | COM1–COM4 | Analog common terminals - connected to load/sensor; must remain within V− to V+ rails |
| 3, 14, 11, 6 | NC1–NC4 | Normally closed analog terminals - shorted to respective COM when IN = low |
| 4 | V− | Negative supply input - required for bipolar operation; tie to GND for single-supply mode |
| 5 | GND | Digital ground reference - separate from analog return; decoupling near V+ and V− recommended |
| 12 | VL | Logic supply input - set to +5V for TTL compatibility or to V+ for CMOS threshold alignment |
| 13 | V+ | Positive supply input - also connected to substrate; absolute max 44V relative to V− |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog handling | Supports ±15.5V signal swing with ±16.5V supplies - eliminates level-shifting in mixed-signal systems |
| Guaranteed on-resistance flatness | ∆3Ω max over full analog range - maintains consistent gain/attenuation across input voltage span |
| Low charge injection | ≤10pC - reduces sampling error in precision data acquisition and hold circuits |
| Bipolar or single-supply operation | +10V to +30V or ±4.5V to ±20V - simplifies power architecture in portable and avionics designs |
| ESD robustness | >2000V per Method 3015.7 - improves manufacturing yield and field reliability without external protection |
Applications
| Military Radios | Guidance & Control Systems |
|---|---|
|
Use Scenario: Signal path selection between multiple RF front-end modules and IF processing chains under harsh environmental conditions. IC Role / Device Role / Timing Role: Quad SPST NC switch isolating receive paths during transmit bursts; fast 145ns turn-off prevents LO feedthrough. Use Value: <35Ω on-resistance and <6nA leakage at +85°C preserve SNR and dynamic range across temperature extremes. |
Use Scenario: Multiplexing inertial sensor outputs (gyros, accelerometers) into a central ADC with minimal offset drift. IC Role / Device Role / Timing Role: Precision analog switch routing high-impedance sensor signals; low 10pC charge injection avoids hold capacitor corruption. Use Value: Guaranteed <2Ω on-resistance match enables ratiometric correction of sensor gain mismatches without trimming. |
| Heads-Up Displays (HUD) | Test Equipment |
|
Use Scenario: Routing video sync pulses and analog RGB signals between display generators and projection optics in cockpit HUDs. IC Role / Device Role / Timing Role: Low-glitch SPST switch managing composite video path selection with sub-200ns timing control. Use Value: Rail-to-rail ±15.5V capability handles full video swing; >68dB off-isolation prevents crosstalk between critical timing and video lines. |
Use Scenario: Automated test fixture switching between DUT channels and measurement instruments (DMM, scope, signal gen). IC Role / Device Role / Timing Role: High-reliability analog multiplexer in ATE systems requiring repeatable low-leakage connections over 10⁶ cycles. Use Value: <250pA leakage at +25°C and ESD >2000V ensure long-term contact integrity and reduce calibration drift in production test cells. |
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 |
|---|---|---|---|
| MAX352CSE+T | Four normally open (NO) configuration vs. MAX351CSE+T's NC topology; identical specs otherwise | Suitable where default-open safety state is required (e.g., fail-safe sensor disconnect) | Select MAX352CSE+T when circuit requires open-circuit default; verify logic polarity inversion in control firmware |
| ADG1414BRUZ | Higher on-resistance (1.8Ω typical), lower supply range (±15V max), but superior 0.2pC charge injection | Better for ultra-low-glitch sample-and-hold; less suitable for rail-to-rail ±20V signal routing | Choose ADG1414BRUZ for sub-pC charge injection needs; use MAX351CSE+T for wider supply/analog range |
Compared with MAX352CSE+T, the MAX351CSE+T provides fail-safe closed-path continuity at power-up; versus ADG1414BRUZ, it trades ultra-low charge injection for broader ±20V analog handling and higher breakdown voltage - making it preferable in military and avionics signal routing where voltage range and robustness dominate.
Availability
MAX351CSE+T is available at Aetrix Electronics and suitable for military radios, guidance and control systems, and heads-up displays requiring stable component supply, long-lifecycle support, and traceable sourcing for DO-254/DO-160 compliance.
Supply support for MAX351CSE+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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for demanding industrial, automotive, and aerospace applications.
The MAX351/MAX352/MAX353 family was designed specifically for precision analog signal routing in high-reliability systems - emphasizing low leakage, matched on-resistance, and rail-to-rail operation under extended temperature and supply ranges.
FAQ
What is the operating temperature range for MAX351CSE+T?
The MAX351CSE+T is rated for 0°C to +70°C ambient operation, as indicated by the 'C' suffix in the part number. This commercial-grade temperature range is validated per the Absolute Maximum Ratings table and Electrical Characteristics sections of the official Maxim datasheet. The device uses a silicon-gate process optimized for stability across this interval, with leakage and on-resistance parameters fully specified from TMIN to TMAX. For extended-range alternatives, consider the MAX351ESE (–40°C to +85°C).
Can MAX351CSE+T operate from a single +12V supply?
Yes, the MAX351CSE+T supports single-supply operation from +10V to +30V. When using +12V, connect V− to GND, set VL to +5V for TTL compatibility, and ensure analog signals remain within 0V to +12V. Datasheet Section "Electrical Characteristics-Single Supply" confirms RON = 35Ω max and tON = 250ns max under these conditions. Note that on-resistance flatness and matching are guaranteed only with bipolar supplies, per Note 5.
What is the maximum analog signal voltage the MAX351CSE+T can handle?
The MAX351CSE+T supports analog signals from V− to V+, with absolute maximum ratings of V+ ≤ 44V above V−. With ±15V supplies, the usable analog range is ±15.5V (per Electrical Characteristics table). Exceeding V+ or V− at COM/NC pins triggers internal clamping diodes - forward current must be limited to 30mA continuous or 100mA pulsed (1ms, 10% duty cycle), as stated in Absolute Maximum Ratings.
How does the logic control interface work on MAX351CSE+T?
The MAX351CSE+T uses active-low logic: INx = low enables the corresponding NC switch (connecting COMx to NCx); INx = high opens the path. Logic thresholds are referenced to VL, which should be set to +5V for TTL compatibility or tied to V+ for CMOS levels. Input currents are ±0.5µA max, and the device accepts standard CMOS/TTL waveforms - verified in the "INPUT" section of the Electrical Characteristics table and Figure 2 timing diagrams.
Is MAX351CSE+T pin-compatible with other devices in the MAX351/MAX352/MAX353 family?
Yes, all three variants (MAX351, MAX352, MAX353) share identical 16-pin SOIC pinouts and electrical footprints - only the internal switch configuration differs (NC, NO, or mixed). The MAX351CSE+T, MAX352CSE+T, and MAX353CSE+T can be substituted on the same PCB layout, provided firmware logic is adjusted for differing default states (e.g., INx low closes for MAX351 but opens for MAX352). This compatibility is confirmed in the Pin Configuration diagrams and Ordering Information tables.
MAX351CSE+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):
- 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX351CSE+T FAQ
1.How can I place an order for MAX351CSE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX351CSE+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 MAX351CSE+T reliable?
The price and inventory of MAX351CSE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX351CSE+T is usually 5 days.
3.What payment methods are accepted for MAX351CSE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX351CSE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX351CSE+T?
MAX351CSE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX351CSE+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 MAX351CSE+T?
For technical support, including MAX351CSE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX351CSE+T requirements.
6.How does Aetrix verify that MAX351CSE+T is sourced from the original manufacturer or authorized distributors?
All MAX351CSE+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 MAX351CSE+T meets industry standards.
7.What is the process for return or replacement of MAX351CSE+T?
All MAX351CSE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX351CSE+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 MAX351CSE+T part is unused and in its original packaging.
Return procedure for MAX351CSE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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