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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:4,746
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Product details
Overview
MAX351ESE from Maxim Integrated is a precision quad SPST analog switch with four normally closed (NC) channels, designed for high-fidelity signal routing in rail-to-rail analog paths. It delivers <35Ω on-resistance, <2Ω channel-to-channel matching, <3Ω on-resistance flatness over signal range, <250pA leakage at +25°C, and sub-175ns turn-on time-enabling accurate sampling in military radios and guidance systems.
For engineers reviewing the MAX351ESE datasheet, MAX351ESE pinout, MAX351ESE application, or MAX351ESE equivalent, key selection criteria include guaranteed on-resistance matching across temperature, low charge injection (≤10pC), bipolar/singlesupply flexibility (±4.5V to ±20V or +10V to +30V), and ESD robustness (>2000V).
Technical Context
The MAX351ESE uses Maxim's 44V silicon-gate process to achieve rail-to-rail analog signal handling up to ±15.5V with guaranteed low charge injection (≤10pC) and matched on-resistance (<2Ω). Its CMOS/TTL-compatible logic inputs reduce loading while supporting dual-supply operation without level-shifting.
It features four independent NC switches with dedicated IN/COM/NC pins per channel, VL pin for logic-level selection (TTL or CMOS), and substrate tied to V+-enabling stable operation under fast-switching, low-leakage, and high-isolation requirements in sample-and-hold and test equipment circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On Resistance | ≤35Ω max - ensures minimal signal attenuation and gain error in precision analog paths |
| On Resistance Match | ≤2Ω between channels - critical for multi-channel instrumentation requiring channel uniformity |
| On Resistance Flatness | ≤3Ω max over full analog range - maintains consistent gain and linearity across ±15.5V signal swing |
| Charge Injection | ≤10pC - limits voltage glitch in sample-and-hold circuits, reducing settling error |
| Off-Leakage Current | <6nA at +85°C - preserves signal integrity in high-impedance sensor interfaces and battery-operated systems |
| Switching Speed | tON <175ns, tOFF <145ns - supports high-throughput data acquisition and real-time control loops |
| Supply Range | +10V to +30V single supply or ±4.5V to ±20V dual supply - enables flexible power architecture integration |
Pinout & Package
MAX351ESE is housed in a 16-pin narrow SO (Small Outline) package with 1.27mm lead pitch, JEDEC MS-012AC compliant, body size 10.2mm × 5.3mm × 1.75mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 15,14,7,6) | Logic control input | Active-low control for NC switches: logic low = ON (closed), logic high = OFF (open) |
| COM1–COM4 (Pins 2,15,10,7) | Analog common terminal | Input/output node shared between switch path and external circuit; carries full analog signal current |
| NC1–NC4 (Pins 1,12,10,9) | Analog normally-closed terminal | Connected to COM when IN = low; open-circuit when IN = high - defines default-closed signal path |
| V+ (Pin 13) | Positive supply voltage | Bias for analog path and substrate connection; must be ≥|V−| + 0.5V for proper operation |
| V− (Pin 4) | Negative supply voltage | Reference for bipolar operation; connects to GND in single-supply mode |
| GND (Pin 5) | Ground reference | Logic ground return; separate from analog signal ground in mixed-signal layouts |
| VL (Pin 12) | 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 analog signals with no clipping or distortion, enabling direct interface with op-amp outputs and sensor front-ends |
| Guaranteed on-resistance matching | ≤2Ω max mismatch between any two channels - eliminates inter-channel gain skew in multiplexed ADC drivers |
| Low charge injection (≤10pC) | Minimizes hold-mode voltage step in sample-and-hold circuits, reducing required settling time and capacitor size |
| ESD robustness >2000V | Meets Method 3015.7 - allows safe handling and board-level integration without additional protection circuitry |
| Single- and dual-supply operation | Operates from +10V to +30V or ±4.5V to ±20V - simplifies power design across industrial, military, and portable platforms |
Applications
| Military Radios | Guidance and Control Systems |
|---|---|
|
Use Scenario: Signal routing of RF IF stages and audio paths in ruggedized handheld and vehicle-mounted radios. IC Role / Device Role / Timing Role: Quad NC switch isolating receive/transmit chains and antenna diversity paths during mode switching. Use Value: Low on-resistance and flat RON preserve SNR across wideband IF signals; ESD tolerance ensures field reliability. |
Use Scenario: Multiplexing sensor feedback (gyro, accelerometer, GPS) into flight controller ADCs under vibration and thermal stress. IC Role / Device Role / Timing Role: Precision analog switch selecting among redundant inertial measurement units before digitization. Use Value: ≤2Ω RON matching prevents calibration drift; <6nA leakage avoids bias current errors at cold temperatures. |
| Sample-and-Hold Circuits | Battery-Operated Test Equipment |
|
Use Scenario: Capturing fast transient waveforms in oscilloscopes and automated test systems with microsecond-scale aperture times. IC Role / Device Role / Timing Role: Low-charge-injection NC switch connecting hold capacitor to amplifier output during acquisition phase. Use Value: ≤10pC charge injection limits hold-step error to <1mV on 1nF capacitors - eliminating need for trimming. |
Use Scenario: Power-gating analog front-ends and reference buffers in handheld multimeters and portable analyzers. IC Role / Device Role / Timing Role: Normally-closed switch enabling/disabling signal paths to conserve µA-level standby current. Use Value: 35µW typical power consumption extends battery life; single +12V supply simplifies DC-DC architecture. |
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 instead of NC; identical RON, leakage, speed, and package | Used where default-open safety state is required (e.g., fail-safe sensor disconnect) | Select MAX352ESE when system requires de-energized default path; pinout and logic polarity differ. |
| ADG441BRZ | Quad NO switch with 40Ω RON, 25pC charge injection, and −40°C to +85°C rating; SO-16 package | Higher leakage (10nA @ +85°C) and slower switching (tON = 180ns) limit use in high-speed precision apps | Choose ADG441BRZ only if legacy footprint compatibility outweighs performance trade-offs in cost-sensitive designs. |
Compared with MAX351ESE, MAX352ESE provides identical performance in an NO configuration for fail-safe routing, while ADG441BRZ offers functional equivalence at relaxed precision and speed-making MAX351ESE optimal for NC-critical, low-glitch, high-matching applications.
Availability
MAX351ESE is available at Aetrix Electronics and suitable for military radios, guidance and control systems, sample-and-hold circuits, battery-operated test equipment, and heads-up displays requiring stable component supply across extended temperature ranges.
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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for demanding industrial, automotive, and communications applications.
The MAX351/MAX352/MAX353 family was engineered for precision analog signal routing in harsh environments-emphasizing low distortion, guaranteed matching, and robust operation across −40°C to +85°C without derating.
FAQ
What is the logic polarity of the MAX351ESE control inputs?
The MAX351ESE features active-low logic: applying a logic low (≤0.8V) to IN1–IN4 closes the corresponding NC switch (connects COM to NC), while a logic high (≥2.4V) opens it. This behavior is fixed per the MAX351 variant and differs from the MAX352ESE's active-high NO configuration. The VL pin sets logic thresholds-tie to +5V for TTL or to V+ for CMOS compatibility.
Can the MAX351ESE operate from a single +12V supply?
Yes, the MAX351ESE supports single-supply operation from +10V to +30V. When using +12V, connect V− to GND, tie VL to +5V for TTL compatibility, and ensure analog signals remain within 0V to +12V. On-resistance increases slightly versus ±15V operation (e.g., ~45Ω typ at VCOM = +6V), but remains monotonic and flat per datasheet Figure 7.
What is the maximum analog signal voltage the MAX351ESE can handle?
The MAX351ESE supports rail-to-rail analog signals up to ±15.5V when operated with ±16.5V supplies (V+ = +16.5V, V− = −16.5V), as specified in the Electrical Characteristics table. Absolute maximum ratings allow VCOM, VNC, or VNO to reach (V− − 2V) to (V+ + 2V), but guaranteed performance (e.g., RON, leakage) is validated only within the ±15.5V range under recommended conditions.
How does charge injection affect sample-and-hold performance with the MAX351ESE?
With ≤10pC guaranteed charge injection, the MAX351ESE introduces ≤1mV hold-step error on a 10nF capacitor (ΔV = Q/C). In sample-and-hold circuits, this enables faster settling and smaller hold capacitors versus alternatives with >20pC injection. The low value is achieved via matched transistor geometry and layout symmetry-critical for 12-bit+ accuracy in data acquisition systems using the MAX351ESE.
Is the MAX351ESE pin-compatible with other variants in the MAX351/MAX352/MAX353 family?
Yes-the MAX351ESE, MAX352ESE, and MAX353ESE share identical 16-pin narrow SO footprints and pinouts, including IN/COM/NC assignments. However, logic polarity and switch type differ: MAX351ESE is NC (active-low), MAX352ESE is NO (active-high), and MAX353ESE mixes both. Swapping requires logic inversion and signal path revalidation, though PCB layout remains unchanged.
MAX351ESE 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):
- 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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