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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:1,890
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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, designed for high-fidelity signal routing in precision instrumentation and military-grade systems. It delivers <35Ω on-resistance (typ. 22Ω), <2Ω channel-to-channel match, <3Ω on-resistance flatness over rail-to-rail analog signals (±15V), and <10pC charge injection - enabling low-distortion sample-and-hold and guidance control circuits.
For engineers reviewing the MAX351CSE-T datasheet, MAX351CSE-T pinout, MAX351CSE-T application, or MAX351CSE-T equivalent, key selection criteria include guaranteed on-resistance matching across temperature, bipolar/split-supply operation (±4.5V to ±20V), CMOS/TTL logic compatibility, and ESD robustness (>2000V per Method 3015.7) in a 16-pin narrow SO package.
Technical Context
The MAX351CSE-T implements four independent SPST switches with NC configuration, fabricated using Maxim's 44V silicon-gate process. Its architecture guarantees matched on-resistance (<2Ω) and flat on-resistance (∆3Ω max) only under bipolar-supply operation - not single-supply - and supports rail-to-rail analog signal handling up to ±15.5V with V+ = ±16.5V.
It features CMOS-compatible digital inputs (VINH = 2.4V, VINL = 0.8V), low-power operation (35µW typical), and integrated electrostatic protection (>2000V). Switching performance includes tON < 175ns and tOFF < 145ns at ±15V supplies, with off-isolation >68dB and crosstalk <85dB at 1MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On Resistance (RON) | ≤35Ω max (22Ω typ); ensures minimal signal attenuation and gain error in precision analog paths |
| On Resistance Match | ≤2Ω between channels; enables accurate multi-channel signal multiplexing without calibration |
| On Resistance Flatness | ∆3Ω max over full analog range; maintains consistent gain/attenuation across input voltage swing |
| Charge Injection | ≤10pC; reduces sampling pedestal error in precision sample-and-hold and ADC front-ends |
| Off-Leakage Current | ≤6nA at +85°C; preserves signal integrity in high-impedance sensor interfaces and battery-operated systems |
| Supply Range | ±4.5V to ±20V (bipolar) or +10V to +30V (single); supports rail-to-rail analog signal handling up to ±15.5V |
| ESD Rating | >2000V per Method 3015.7; provides robust handling in manufacturing and field-deployed military/aerospace systems |
Pinout & Package
MAX351CSE-T is housed in a 16-pin narrow SOIC (Small Outline Integrated Circuit) package, 3.9mm wide, with standard JEDEC MS-012AC footprint and 1.27mm pitch. Pin 1 marked by notch or dot; thermal pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 15, 14, 7, 6) | Logic Control Input | CMOS/TTL-compatible digital inputs controlling respective NC switch states (low = ON for MAX351) |
| COM1–COM4 (Pins 2, 15, 10, 7) | Analog Common Terminal | Input/output node for each SPST switch; connects to signal source or load depending on routing |
| NC1–NC4 (Pins 1, 4, 12, 9) | Normally Closed Analog Terminal | Connected to COM when IN = low; open when IN = high - defines default-closed signal path |
| V+ (Pin 13) | Positive Supply Voltage | Bias for analog channel and substrate connection; must be ≥ |V−| to maintain 44V breakdown rating |
| V− (Pin 4) | Negative Supply Voltage | Completes bipolar supply; enables rail-to-rail analog operation and defines lower signal limit |
| GND (Pin 3) | Ground Reference | Digital ground reference; separate from analog return but tied internally to VL via substrate |
| VL (Pin 10) | Logic Supply Voltage | Defines logic threshold: connect to +5V for TTL compatibility or to V+ for CMOS-level inputs |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports ±15.5V signals with V+ = ±16.5V - eliminates level-shifting in wide-dynamic-range systems |
| Guaranteed on-resistance matching | <2Ω channel-to-channel variation ensures balanced gain/phase in multi-path signal conditioning |
| Low charge injection (≤10pC) | Minimizes voltage glitch and settling time in precision sampling circuits and data acquisition front-ends |
| Bipolar and single-supply operation | Operates from ±4.5V to ±20V or +10V to +30V - simplifies power architecture in mixed-signal platforms |
| ESD robustness (>2000V) | Meets MIL-STD-883-level handling requirements without external protection - reduces BOM count |
Applications
| Sample-and-Hold Circuits | Military Radios |
|---|---|
Use Scenario: Precision analog sampling in high-resolution data acquisition systems requiring sub-LSB accuracy. IC Role / Device Role / Timing Role: Quad NC switch routes analog input to hold capacitor with minimal charge injection and on-resistance mismatch. Use Value: ≤10pC charge injection and ∆3Ω on-resistance flatness reduce sampling pedestal error and differential nonlinearity. |
Use Scenario: Signal routing and antenna switching in secure, jam-resistant HF/VHF transceivers deployed in field environments. IC Role / Device Role / Timing Role: Isolates RF front-end stages during transmit/receive transitions using fast, low-leakage NC paths. Use Value: <145ns turn-off time and <6nA off-leakage at +85°C ensure rapid channel isolation and low standby current drain. |
| Guidance and Control Systems | Battery-Operated Test Equipment |
Use Scenario: Multiplexing inertial sensor outputs (gyro, accelerometer) into shared ADC channels in aerospace IMUs. IC Role / Device Role / Timing Role: Four matched NC switches provide calibrated signal path selection with guaranteed resistance tracking over temperature. Use Value: ≤2Ω on-resistance match across −55°C to +125°C eliminates inter-channel gain drift without software correction. |
Use Scenario: Portable multimeters and handheld oscilloscopes requiring ultra-low power consumption and long battery life. IC Role / Device Role / Timing Role: Low-quiescent-current analog switch (35µW typical) enables signal path reconfiguration without draining Li-ion cells. Use Value: 35µW typical power dissipation and <6nA leakage at +85°C extend operational runtime in unattended field deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX352CSE-T | Four normally open (NO) configuration vs. MAX351CSE-T's NC; identical specs otherwise | Suitable where default-open safety state is required (e.g., fail-safe sensor disconnect) | Select MAX352CSE-T when circuit requires de-energized default path; pinout and timing are identical |
| ADG441BRZ | Quad NO switch; higher on-resistance (75Ω max), no guaranteed channel match, 16-pin SOIC package | Lacks on-resistance matching and flatness specs - unsuitable for precision gain-matched multiplexing | Choose ADG441BRZ only for cost-sensitive, non-precision applications where matching is not required |
Compared with MAX352CSE-T, the MAX351CSE-T provides inverted logic behavior (ON at logic low) for fail-closed operation, while ADG441BRZ trades precision matching and low charge injection for lower cost - making MAX351CSE-T essential for metrology-grade signal routing.
Availability
MAX351CSE-T is available at Aetrix Electronics and suitable for sample-and-hold circuits, military radios, and guidance and control systems requiring stable component supply, long-term obsolescence management, and traceable sourcing.
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 industrial, automotive, and communications markets.
The MAX351/MAX352/MAX353 family was engineered for precision analog signal routing in harsh-environment systems - emphasizing guaranteed parameter matching, rail-to-rail operation, and ESD-hardened reliability in defense and aerospace applications.
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 its ordering code. This commercial-grade temperature range is validated across all electrical specifications including on-resistance, leakage, and switching times - ensuring reliable performance in industrial control panels and test equipment enclosures without forced cooling.
Does MAX351CSE-T support single-supply operation?
Yes, MAX351CSE-T supports single-supply operation from +10V to +30V. When used this way, V− must be connected to ground, and VL should be tied to +5V for TTL compatibility or to V+ for CMOS logic levels. Note that on-resistance matching and flatness are guaranteed only under bipolar-supply conditions per the datasheet.
What is the maximum analog signal voltage supported by MAX351CSE-T?
MAX351CSE-T supports rail-to-rail analog signals up to ±15.5V when operated with V+ = +16.5V and V− = −16.5V. The absolute maximum analog voltage at any COM, NC, or NO terminal is limited to (V− − 2V) to (V+ + 2V), with clamping diodes protecting against overvoltage - enabling direct interfacing with ±15V op-amp stages.
How does the logic polarity of MAX351CSE-T differ from MAX352CSE-T?
MAX351CSE-T implements normally closed (NC) switches: logic low (INx = 0V) closes the path between COMx and NCx, while logic high opens it. In contrast, MAX352CSE-T is normally open (NO): logic high closes COMx–NOx. Both share identical pinouts, timing, and electrical specs - differing only in default switch state and truth table behavior.
Is MAX351CSE-T pin-compatible with other packages in the MAX351 family?
Yes, the MAX351CSE-T (16-pin narrow SO) shares identical pinout and functionality with MAX351CPE (16-pin DIP) and MAX351EGE (16-pin QFN). All variants use the same pin numbering and terminal assignments - allowing drop-in replacement across package types without PCB redesign, provided mechanical and thermal constraints are met.
MAX351CSE-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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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