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Analog Devices Inc./Maxim Integrated MAX361CSE
- Part No.:
- MAX361CSE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX361CSE.pdf
- Description:
- IC SWITCH SPST-NCX4 85OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,366
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Product details
Overview
MAX361CSE 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 <85Ω max on-resistance, <3Ω channel-to-channel match, <9Ω on-resistance flatness over signal range, <500pA +25°C off-leakage, and <250ns turn-on time. It operates from ±4.5V to ±20V bipolar or +10V to +30V single supply, supporting guidance systems and test equipment.
For engineers reviewing the MAX361CSE datasheet, MAX361CSE pinout, MAX361CSE application, or MAX361CSE equivalent, key selection criteria include guaranteed on-resistance matching across channels, low charge injection (<10pC), ESD tolerance >2000V, rail-to-rail analog handling, and compatibility with TTL/CMOS logic inputs under wide supply ranges.
Technical Context
The MAX361CSE implements four independent SPST switches with NC topology, fabricated using Maxim's 44V silicon-gate process. Its CMOS-compatible control inputs drive internal transmission gates that maintain low and matched on-resistance across all four channels, with flat RON versus analog voltage - critical for precision sample-and-hold and multiplexing.
Bipolar-supply operation (±4.5V to ±20V) enables symmetric rail-to-rail analog signal handling up to ±15.5V, while single-supply mode (+10V to +30V) supports battery-operated and industrial systems. Charge injection is tightly controlled at <10pC, minimizing settling error in high-impedance sampling nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (max) | 85Ω at +25°C, ensuring minimal signal attenuation and gain error in precision analog paths |
| On-resistance match | <3Ω between channels, enabling accurate differential or ratiometric measurements |
| On-resistance flatness | Δ9Ω max over full analog signal range, preserving linearity in variable-amplitude signals |
| Charge injection | <10pC, reducing voltage glitch and settling time in sample-and-hold circuits |
| Off-leakage current | <500pA at +25°C, maintaining integrity of high-impedance sensor or timing node connections |
| Supply range | ±4.5V to ±20V (bipolar) or +10V to +30V (single), supporting both industrial and portable designs |
| ESD rating | >2000V per Method 3015.7, enhancing robustness in handling and board-level integration |
Pinout & Package
MAX361CSE is housed in a 16-pin narrow SO package (SOIC-N), 3.9mm width, with exposed pad connected to V+. Pin 1 is IN1; pins 2, 15, 10, 7 are COM1–COM4; pins 3, 14, 11, 6 are NC1–NC4; pin 4 is V−; pin 5 is GND; pin 12 is V+; pin 10 is N.C. (not internally connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (pins 1, 15, 14, 7) | Logic control input | Active-low control for NC switches: logic '0' closes path, logic '1' opens path |
| COM1–COM4 (pins 2, 13, 10, 8) | Analog-switch common terminal | Input/output node shared between NC and switch channel; connects to signal source or load |
| NC1–NC4 (pins 3, 12, 11, 6) | Analog-switch normally closed terminal | Default-connected path to COM when IN = 0; open only when IN = 1 |
| V+ (pin 13) | Positive supply voltage input | Connected to substrate; must be ≥ |V−| + 10V in bipolar mode; sets upper analog rail |
| V− (pin 4) | Negative supply voltage input | Sets lower analog rail; supports rail-to-rail operation down to −20V |
| GND (pin 5) | Ground reference | Logic ground reference; tied to system ground; not analog return path |
| N.C. (pin 10) | No connection | Not internally bonded; must remain unconnected to avoid parasitic coupling |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports analog signals from V− to V+, enabling full utilization of supply rails in precision instrumentation |
| Guaranteed RON flatness | Δ9Ω max ensures consistent gain and minimal THD across signal swing in audio and data acquisition |
| TTL/CMOS logic compatibility | Accepts standard 0.8V/2.4V thresholds without level-shifting, simplifying interface with microcontrollers and FPGAs |
| Low power consumption | 35µW typical quiescent power enables use in always-on battery-powered measurement modules |
| High off-isolation | 60dB at 1MHz minimizes crosstalk between adjacent switched channels in multi-signal systems |
Applications
| Sample-and-Hold Circuits | Guidance and Control Systems |
|---|---|
Use Scenario: Capturing transient analog sensor outputs (e.g., inertial measurement unit signals) with minimal droop and distortion. IC Role / Device Role / Timing Role: Normally closed switch isolates hold capacitor during acquisition; opens precisely on command to freeze voltage. Use Value: <10pC charge injection and <500pA leakage preserve sampled voltage accuracy over milliseconds, meeting MIL-STD-1553B timing margins. |
Use Scenario: Routing feedback signals from gyros and accelerometers to flight controller ADCs in UAV autopilots. IC Role / Device Role / Timing Role: Quad NC switch selects among redundant sensor paths with fail-safe default closure. Use Value: Matched <3Ω RON ensures identical gain across channels, eliminating calibration drift between sensor inputs. |
| Heads-Up Displays | Test Equipment |
Use Scenario: Switching video sync pulses and analog RGB signals between primary and backup display drivers in automotive HUDs. IC Role / Device Role / Timing Role: Precision SPST routing of high-slew-rate video signals without added jitter or amplitude loss. Use Value: <250ns tON and rail-to-rail capability support 60Hz+ video frame switching with sub-microsecond latency. |
Use Scenario: Configuring signal paths in automated test equipment (ATE) for DUT stimulus/response isolation. IC Role / Device Role / Timing Role: Channel-select switch in programmable attenuator or filter banks requiring repeatable impedance. Use Value: Flat Δ9Ω RON maintains calibrated attenuation accuracy across full 0–10V input range, traceable to NIST standards. |
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 |
|---|---|---|---|
| MAX362CSE | Same package and pinout, but NO (normally open) topology instead of NC; otherwise identical specs | Requires active logic high to enable conduction; unsuitable where default-closed safety path is required | Select MAX362CSE only when default-open behavior aligns with system fault strategy |
| ADG444BRUZ | Quad SPST NO switch; 44Ω max RON, 120ns tON, ±20V supply, but no guaranteed RON match or flatness spec | Lacks channel matching guarantee; not recommended for ratiometric or differential sensing | Prefer MAX361CSE where matched RON and flatness are mandatory for measurement integrity |
Compared with MAX362CSE, the MAX361CSE provides fail-safe NC operation essential for safety-critical signal paths; compared with ADG444BRUZ, it delivers verified channel matching and flatness needed in metrology-grade instrumentation - neither alternative offers both attributes simultaneously.
Availability
MAX361CSE is available at Aetrix Electronics and suitable for guidance systems, test equipment, and heads-up displays requiring stable component supply, long-term obsolescence management, and traceable sourcing for aerospace and industrial OEM programs.
Supply support for MAX361CSE 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, communications, and computing markets.
The MAX361/MAX362 product line was engineered for precision analog signal routing in environments demanding low distortion, high channel consistency, and robust supply flexibility - especially in avionics, automated test, and medical instrumentation.
FAQ
What is the maximum analog signal voltage range supported by the MAX361CSE?
The MAX361CSE supports analog signals from V− to V+, with bipolar supplies up to ±20V and single supplies up to +30V. Under ±15V operation, the guaranteed analog-signal range is ±15.5V - enabling true rail-to-rail performance without clipping in precision front-end circuits. This range is confirmed in the Electrical Characteristics table for dual-supply conditions.
Does the MAX361CSE require external pull-up or pull-down resistors on its logic inputs?
No, the MAX361CSE features TTL-/CMOS-compatible inputs with guaranteed thresholds (VINH ≥ 2.4V, VINL ≤ 0.8V) and input currents <±500nA at +25°C. It drives directly from microcontroller GPIOs or FPGA outputs without external biasing - verified in the Digital section of the datasheet under Input Current specifications.
Can the MAX361CSE operate with unbalanced supplies such as +24V and −5V?
Yes, the MAX361CSE supports unbalanced supplies as long as V+ − V− ≤ 44V and each supply remains within its absolute maximum rating (V+ ≤ V− + 44V, GND ≤ V− + 25V). The datasheet explicitly states operation from "+24V and −5V" is valid, with analog range limited to V− to V+ - confirmed in the Applications Information section.
Is the exposed pad on the MAX361CSE's narrow SO package electrically connected?
Yes, the exposed pad on the MAX361CSE (16-pin narrow SO) is internally connected to V+ and must be soldered to a V+-referenced copper pour for thermal and electrical integrity. This is specified in the Pin Description table and Package Information section, where "Exposed Pad-Connect pad to V+" is stated unequivocally.
How does temperature affect on-resistance matching in the MAX361CSE?
On-resistance matching is guaranteed to <4Ω over the full operating range (0°C to +70°C for MAX361CSE), per the Electrical Characteristics table. At +25°C it is <2Ω, degrading slightly with temperature - a design feature validated in the "On Resistance Match Between Channels" parameter row under both TMIN–TMAX and +25°C conditions.
MAX361CSE 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):
- 85Ohm
- 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):
- 250ns, 120ns
- -3db Bandwidth:
- -
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 4pF, 4pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -100dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX361CSE FAQ
1.How can I place an order for MAX361CSE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX361CSE 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 MAX361CSE reliable?
The price and inventory of MAX361CSE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX361CSE is usually 5 days.
3.What payment methods are accepted for MAX361CSE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX361CSE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX361CSE?
MAX361CSE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX361CSE 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 MAX361CSE?
For technical support, including MAX361CSE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX361CSE requirements.
6.How does Aetrix verify that MAX361CSE is sourced from the original manufacturer or authorized distributors?
All MAX361CSE 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 MAX361CSE meets industry standards.
7.What is the process for return or replacement of MAX361CSE?
All MAX361CSE units undergo pre-shipment inspection (PSI). If there is an issue with MAX361CSE, 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 MAX361CSE part is unused and in its original packaging.
Return procedure for MAX361CSE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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