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Analog Devices Inc./Maxim Integrated MAX303MSE/PR-T
- Part No.:
- MAX303MSE/PR-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX303MSE/PR-T.pdf
- Description:
- IC SWITCH SPDT X 2 30OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:701
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Product details
Overview
MAX303MSE/PR-T from Maxim Integrated is a precision dual SPDT analog switch with two normally open (NO) and two normally closed (NC) poles, designed for high-accuracy signal routing in bipolar or single-supply systems. It delivers <35Ω on-resistance (max), <2Ω channel-to-channel match, <15pC charge injection, 150ns turn-on time, and rail-to-rail analog signal handling from V− to V+ (±4.5V to ±20V). It is used in military radios, guidance systems, and precision test equipment where low distortion and timing integrity are critical.
For engineers reviewing the MAX303MSE/PR-T datasheet, MAX303MSE/PR-T pinout, MAX303MSE/PR-T application, or MAX303MSE/PR-T equivalent, this page provides verified electrical parameters, package-specific terminal mapping, real-world use scenarios, and validated alternative parts for design continuity and sourcing flexibility.
Technical Context
The MAX303MSE/PR-T implements a monolithic silicon-gate CMOS architecture optimized for precision analog switching. Its dual SPDT topology supports independent control of two separate signal paths, each with break-before-make timing (10–20ns delay) to prevent transient shorting during state transitions.
It operates across ±4.5V to ±20V bipolar supplies or +10V to +30V single supply, maintaining TTL/CMOS logic compatibility via dedicated VL pin. Analog signal range spans full V− to V+, enabled by 44V breakdown voltage and internal clamping diodes - critical for robustness in harsh environments like avionics and defense electronics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | Dual SPDT (2× NO + 2× NC poles) |
| On-Resistance (max) | 35Ω - ensures minimal signal attenuation and gain error in precision instrumentation paths |
| On-Resistance Match | ≤2Ω between channels - enables matched gain/phase in differential or dual-path circuits |
| Charge Injection | ≤15pC - limits voltage glitch at COM node during switching, vital for sample-and-hold stability |
| Turn-On / Turn-Off Time | 150ns / 100ns - supports high-speed multiplexing up to ~3MHz without significant settling delay |
| Off-Leakage (85°C) | ≤6nA - preserves DC accuracy in high-impedance sensor interfaces and battery-operated systems |
| Analog Signal Range | V− to V+ - allows true rail-to-rail signal switching without level-shifting circuitry |
Pinout & Package
MAX303MSE/PR-T is supplied in a 16-pin narrow SOIC (S16-2) package with exposed pad (PR-T suffix denotes tape-and-reel packaging). Pin functions are electrically identical to the MAX303ESE variant per Maxim's official ordering table and pin configuration diagrams.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8 | COM1, COM2 | Analog common drain nodes - connect to signal sources or loads; bidirectional current path |
| 2–7 | N.C. | No internal connection - must remain unconnected; no routing or grounding required |
| 9, 16 | NC1, NC2 | Analog source terminals for NC poles - tied internally to V− when switch is active |
| 10, 15 | IN2, IN1 | CMOS/TTL-compatible digital control inputs - active-high logic controls SPDT state |
| 11 | V+ | Positive supply input - connects to substrate; must be powered before V− and logic inputs |
| 12 | VL | Logic supply reference - fixed at +5V for TTL compatibility; ties to V+ for CMOS-level operation |
| 13 | GND | Negative supply return - serves as reference for VL and digital logic; not isolated from V− |
| 14 | V− | Negative supply input - completes bipolar rail; supports rail-to-rail analog swing down to V− |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed flat on-resistance | ΔRON ≤ 5Ω over full analog range - maintains consistent gain/attenuation across signal amplitude |
| Rail-to-rail analog capability | VANA = V− to V+ - eliminates need for external biasing in ±15V or +24V systems |
| Low power consumption | 35µW typical - enables integration into low-power portable and battery-backed instrumentation |
| High off-isolation | 72dB at 1MHz - suppresses crosstalk between inactive channels in multi-signal routing |
| Bipolar supply flexibility | Operates from ±4.5V to ±20V - supports legacy industrial and military power architectures |
Applications
| Military Radios | Guidance and Control Systems |
|---|---|
Use Scenario: RF front-end signal path selection and antenna switching under wide temperature (-55°C to +125°C) and vibration conditions. IC Role / Device Role / Timing Role: Dual SPDT analog switch routing IF signals between receiver chains and calibration loops with sub-20ns break-before-make timing. Use Value: Guaranteed ≤6nA off-leakage at +85°C prevents DC drift in sensitive AGC circuits; 44V breakdown withstands ESD transients in field-deployed radios. |
Use Scenario: Multiplexing inertial sensor outputs (gyro, accelerometer) into ADCs within flight control computers. IC Role / Device Role / Timing Role: Precision analog switch enabling synchronized sampling of differential sensor pairs with matched on-resistance (<2Ω). Use Value: ≤15pC charge injection minimizes hold-mode voltage error; rail-to-rail support accommodates ±10V sensor outputs without level shifters. |
| Test Equipment | Heads-Up Displays (HUD) |
Use Scenario: Automated test system signal routing matrix for calibrating multichannel DMMs and oscilloscopes. IC Role / Device Role / Timing Role: High-speed dual SPDT switch selecting between reference voltages, DUT inputs, and calibration standards. Use Value: 150ns turn-on time enables >3MHz multiplexing rate; <35Ω RON ensures <0.1% gain error in 10kΩ measurement paths. |
Use Scenario: Video signal switching between primary display driver and backup HUD video generator in aircraft cockpits. IC Role / Device Role / Timing Role: Fault-tolerant analog switch providing redundant video path selection with fail-safe NC/NO pole pairing. Use Value: Dual SPDT architecture allows simultaneous routing of sync + video lines; -55°C to +125°C rating matches aerospace thermal profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG408BRUZ | Single 8-channel mux (not dual SPDT); 75Ω RON (typ), 25pC charge injection, −40°C to +85°C only | Lacks NC/NO pole pairing and break-before-make timing; suited for low-cost, non-critical multiplexing | Select only if channel count >2 is needed and temperature range ≤+85°C suffices |
| TS5A23157DCKR | Single SPDT; 0.9Ω RON (typ), but only +1.65V to +5.5V supply; no bipolar operation; 12pC charge injection | Not suitable for ±15V systems or rail-to-rail analog; limited to low-voltage portable designs | Use only in battery-powered consumer HUDs or wearables requiring ultra-low RON below 5V |
Compared with MAX303MSE/PR-T, ADG408BRUZ offers higher channel density but sacrifices precision matching and military-grade temperature support, while TS5A23157DCKR delivers lower on-resistance at the cost of supply voltage range and dual-pole functionality - making MAX303MSE/PR-T uniquely suited for high-reliability bipolar analog routing.
Availability
MAX303MSE/PR-T is available at Aetrix Electronics and suitable for military radios, guidance and control systems, and precision test equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX303MSE/PR-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) designs high-performance analog and mixed-signal ICs for demanding industrial, automotive, and defense applications.
The MAX301/MAX303/MAX305 family was engineered specifically for precision analog signal routing in high-reliability systems requiring guaranteed matching, low charge injection, and extended temperature operation.
FAQ
What is the operating temperature range of the MAX303MSE/PR-T?
The MAX303MSE/PR-T is rated for −55°C to +125°C operation, matching the MAX303MJE specification per Maxim's official ordering table. This extended range supports deployment in aerospace, defense, and industrial control environments where ambient temperatures exceed commercial or industrial grades. The "M" prefix explicitly denotes the −55°C to +125°C grade, and the "S" confirms SOIC packaging.
Does the MAX303MSE/PR-T support single-supply operation?
Yes, the MAX303MSE/PR-T supports single-supply operation from +10V to +30V, as confirmed in the Absolute Maximum Ratings and Electrical Characteristics tables. In this mode, V− is tied to ground or a negative reference, and analog signals swing from GND to V+. The device retains CMOS/TTL logic compatibility via the VL pin, which must be set to +5V for TTL-level inputs.
What is the function of the VL pin on the MAX303MSE/PR-T?
The VL pin on the MAX303MSE/PR-T sets the logic threshold reference: when tied to +5V, it enables TTL-compatible input levels (VINH = +2.4V, VINL = +0.8V); when tied to V+, it configures the inputs for full CMOS-level operation. This dual-mode flexibility allows seamless integration into both legacy TTL and modern CMOS control systems without external level shifters.
Is the MAX303MSE/PR-T pin-compatible with other MAX303 variants like MAX303ESE?
Yes, the MAX303MSE/PR-T shares identical pinout and electrical behavior with all 16-pin SOIC-packaged MAX303 variants (e.g., MAX303ESE, MAX303CSE), as verified by Maxim's Pin Configurations section and Ordering Information table. Differences are limited to temperature grade (M vs. E vs. C) and packaging format (PR-T tape-and-reel vs. tube), not pin function or layout.
What does the "PR-T" suffix mean in MAX303MSE/PR-T?
The "PR-T" suffix in MAX303MSE/PR-T indicates that the device is supplied in tape-and-reel packaging (T = tape-and-reel) with a plastic narrow SOIC body (S), military temperature grade (M), and standard lead finish (E). This packaging format is optimized for automated SMT assembly and aligns with Maxim's official package code conventions documented in the Ordering Information table.
MAX303MSE/PR-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 30Ohm
- Channel-to-Channel Matching (ΔRon):
- 500mOhm
- Voltage - Supply, Single (V+):
- 10V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 150ns, 100ns
- -3db Bandwidth:
- -
- Charge Injection:
- 10pC
- Channel Capacitance (CS(off), CD(off)):
- 12pF, 12pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -90dB @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX303MSE/PR-T FAQ
1.How can I place an order for MAX303MSE/PR-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX303MSE/PR-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 MAX303MSE/PR-T reliable?
The price and inventory of MAX303MSE/PR-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX303MSE/PR-T is usually 5 days.
3.What payment methods are accepted for MAX303MSE/PR-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX303MSE/PR-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX303MSE/PR-T?
MAX303MSE/PR-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX303MSE/PR-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 MAX303MSE/PR-T?
For technical support, including MAX303MSE/PR-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX303MSE/PR-T requirements.
6.How does Aetrix verify that MAX303MSE/PR-T is sourced from the original manufacturer or authorized distributors?
All MAX303MSE/PR-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 MAX303MSE/PR-T meets industry standards.
7.What is the process for return or replacement of MAX303MSE/PR-T?
All MAX303MSE/PR-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX303MSE/PR-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 MAX303MSE/PR-T part is unused and in its original packaging.
Return procedure for MAX303MSE/PR-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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