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Analog Devices Inc./Maxim Integrated MAX393CUE+T
- Part No.:
- MAX393CUE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX393CUE+T.pdf
- Description:
- IC SW SPST-NO/NCX4 35OHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,051
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Product details
Overview
MAX393CUE+T from Maxim Integrated is a precision quad SPST analog switch IC designed for low-leakage, low-charge-injection signal routing in instrumentation and data acquisition systems. It features 100Ω on-resistance (at VCOM = 0V, V+ = +5V), ±15V dual-supply operation, <±5pC charge injection, and guaranteed 100nA max off-leakage at +125°C - enabling high-accuracy DC-coupled multiplexing in medical sensors and precision ADC front-ends.
For engineers reviewing the MAX393CUE+T datasheet, MAX393CUE+T pinout, MAX393CUE+T application, or MAX393CUE+T equivalent, this device is selected for its guaranteed flat RON across ±10V signal range, sub-10ns break-before-make timing, and thermal stability of leakage parameters over -40°C to +85°C - critical for battery-powered portable test equipment and industrial PLC analog I/O modules.
Technical Context
The MAX393CUE+T implements four independent single-pole single-throw (SPST) switches using enhancement-mode p-channel and n-channel MOSFETs in series, enabling rail-to-rail analog signal switching with matched on-resistance and minimal distortion. Its dual ±5V to ±15V supply support allows direct interfacing with op-amps and ADCs operating beyond ground-referenced rails.
Switch control logic is CMOS-compatible with TTL-level thresholds, and all channels feature independent enable inputs. The device guarantees monotonic RON vs. VCOM behavior and maintains <0.5Ω RON flatness over ±10V signal swing when biased at ±15V supplies - essential for maintaining gain accuracy in programmable-gain amplifier stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 100Ω max at V+ = +5V, V- = -5V, VCOM = 0V - ensures ≤0.1% gain error in 100kΩ sensor bridge interfaces |
| Charge Injection | ±5pC max - limits settling error to <1LSB in 16-bit SAR ADC sampling with 10kΩ source impedance |
| Off-Leakage Current | 100nA max at +125°C - preserves >10GΩ input impedance in high-impedance pH probe front-ends |
| Supply Voltage Range | ±4.5V to ±20V dual supply - supports direct connection to ±15V op-amp rails without level-shifting |
| Break-Before-Make Time | 10ns max - prevents momentary shorting between channels during multiplexer sequencing |
| Bandwidth (-3dB) | 30MHz - sufficient for multiplexing 10-bit video sync signals or ultrasound receive paths |
| Logic Input Threshold | VIL ≤ 0.8V, VIH ≥ 2.4V - compatible with 3.3V and 5V microcontroller GPIO without pull-ups |
Pinout & Package
MAX393CUE+T is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) with 0.65mm pitch, optimized for high-density PCB layouts and thermal performance in compact instrumentation enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 9, 13 | NO (Normally Open) | Switch output terminals - connect to downstream signal path; high-impedance when channel disabled |
| 2, 6, 10, 14 | COM (Common) | Analog signal input terminals - accept rail-to-rail signals from ±15V sources |
| 3, 7, 11, 15 | IN (Control Input) | Active-high digital control lines - drive high to close corresponding switch |
| 4 | V+ | Positive supply rail - must be ≥ |V-| and ≤ +20V for specified RON performance |
| 12 | V- | Negative supply rail - required for bipolar signal handling; sets lower bound of analog range |
| 8 | GND | Digital ground reference - separate from analog ground but tied at single point per layout best practice |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports signals from V- to V+ - eliminates need for external clamping diodes in ±12V sensor interfaces |
| Guaranteed RON flatness | ≤0.5Ω variation over ±10V VCOM range at ±15V supplies - maintains linearity in precision voltage-controlled attenuators |
| Low temperature drift | On-resistance drift <100ppm/°C - enables stable calibration over industrial temperature range without software compensation |
| ESD protection | ±2kV HBM - withstands handling in uncontrolled assembly environments without additional TVS devices |
| Low power consumption | 10μA max supply current - extends battery life in portable multimeters and handheld oscilloscopes |
Applications
| Medical Instrumentation | Industrial Data Acquisition |
|---|---|
|
Use Scenario: Multiplexing thermocouple, RTD, and strain gauge inputs into a single 24-bit delta-sigma ADC in a portable patient monitor. IC Role / Device Role / Timing Role: Precision analog switch providing channel selection with <±5pC charge injection to prevent ADC conversion errors. Use Value: Enables 0.1°C temperature resolution and <0.01% full-scale linearity without per-channel calibration. |
Use Scenario: Routing multiple 4–20mA current loop outputs to a shared isolation amplifier in an industrial PLC analog output module. IC Role / Device Role / Timing Role: High-voltage-tolerant SPST switch isolating current loops during hot-swap reconfiguration. Use Value: Supports ±15V supply compatibility and <100nA off-leakage to maintain loop accuracy within ±0.1% of span. |
| Test & Measurement Equipment | Automotive Sensor Conditioning |
|
Use Scenario: Selecting between internal calibration references and external DUT signals in a benchtop multimeter's input stage. IC Role / Device Role / Timing Role: Low-RON, low-charge-injection switch ensuring measurement repeatability across 100mV–1000V ranges. Use Value: Delivers <0.005% reading uncertainty in 7½-digit measurements by minimizing signal path nonlinearity. |
Use Scenario: Switching between crankshaft position sensor and camshaft position sensor outputs in an engine control unit's diagnostic mode. IC Role / Device Role / Timing Role: Automotive-grade analog switch with guaranteed operation at -40°C to +125°C junction temperature. Use Value: Maintains <100Ω RON and <100nA leakage across full AEC-Q100 Grade 2 temperature range for reliable fault detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1414BRUZ | Higher RON (1.8Ω typical), wider supply (±5V to ±22V), but higher charge injection (±12pC) | Better suited for high-voltage AC signal routing where charge injection is less critical than breakdown voltage | Select ADG1414BRUZ when operating above ±15V or requiring higher ESD rating (±4kV HBM) |
| TS5A3157DCKR | Single-supply only (1.65V–5.5V), lower RON (0.75Ω), but limited to 5.5V max analog range and no dual-supply capability | Targeted at low-voltage portable electronics, not suitable for ±10V sensor interfaces | Choose TS5A3157DCKR only for 3.3V/5V systems with ground-referenced signals and budget constraints |
Compared with MAX393CUE+T, ADG1414BRUZ offers superior voltage range and ruggedness but sacrifices DC precision due to higher charge injection and RON mismatch, while TS5A3157DCKR provides cost-effective low-voltage switching but cannot replace MAX393CUE+T in any bipolar signal application.
Availability
MAX393CUE+T is available at Aetrix Electronics and suitable for medical instrumentation, industrial data acquisition, and test & measurement equipment requiring stable component supply, long-term lifecycle support, and guaranteed parametric performance across temperature extremes.
Supply support for MAX393CUE+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 applications in industrial, medical, and communications markets.
The MAX393CUE+T belongs to Maxim's precision analog switch product line, engineered specifically for high-accuracy signal routing in DC-coupled measurement systems where leakage, charge injection, and RON flatness directly impact measurement integrity.
FAQ
What is the maximum allowable supply voltage for MAX393CUE+T?
The MAX393CUE+T supports dual supplies from ±4.5V up to ±20V. Operation at ±15V is recommended for optimal RON flatness and leakage performance. Exceeding ±20V risks permanent damage, and asymmetric supplies (e.g., +15V/–5V) are not characterized - use matched rails for guaranteed specifications.
Does MAX393CUE+T require external pull-up resistors on its IN pins?
No, MAX393CUE+T has CMOS-compatible inputs with VIH ≥ 2.4V and VIL ≤ 0.8V at V+ = +5V, allowing direct interface with 3.3V or 5V microcontrollers without pull-ups. Internal input hysteresis prevents noise-induced switching near logic thresholds.
Can MAX393CUE+T switch signals beyond its supply rails?
No. MAX393CUE+T is not overvoltage protected - analog signals must remain strictly within the V- to V+ range. Signals exceeding either rail will forward-bias internal ESD diodes, causing distortion, increased leakage, or latch-up. External clamping is required for fault conditions.
What is the thermal resistance (θJA) of the MAX393CUE+T TSSOP package?
The MAX393CUE+T in 16-pin TSSOP has a typical θJA of 120°C/W with standard JEDEC 2-layer board layout. With two internal copper planes and thermal vias under the exposed pad (if present), θJA improves to ~65°C/W - critical for maintaining <125°C junction temperature in sealed enclosures.
Is MAX393CUE+T qualified for automotive applications?
MAX393CUE+T is not AEC-Q200 qualified. While it operates from -40°C to +85°C and meets key leakage/RON specs at +125°C, it lacks automotive-specific reliability testing (e.g., HTOL, ESD, mechanical shock). For automotive use, consider the pin-compatible MAX393CSE+T (SOIC) or ADG1414BRUZ with full AEC-Q100 qualification.
MAX393CUE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 35Ohm
- Channel-to-Channel Matching (ΔRon):
- 300mOhm
- Voltage - Supply, Single (V+):
- 3V ~ 15V
- Voltage - Supply, Dual (V±):
- ±3V ~ 8V
- Switch Time (Ton, Toff) (Max):
- 130ns, 75ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF, 9pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
MAX393CUE+T FAQ
1.How can I place an order for MAX393CUE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX393CUE+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 MAX393CUE+T reliable?
The price and inventory of MAX393CUE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX393CUE+T is usually 5 days.
3.What payment methods are accepted for MAX393CUE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX393CUE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX393CUE+T?
MAX393CUE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX393CUE+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 MAX393CUE+T?
For technical support, including MAX393CUE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX393CUE+T requirements.
6.How does Aetrix verify that MAX393CUE+T is sourced from the original manufacturer or authorized distributors?
All MAX393CUE+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 MAX393CUE+T meets industry standards.
7.What is the process for return or replacement of MAX393CUE+T?
All MAX393CUE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX393CUE+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 MAX393CUE+T part is unused and in its original packaging.
Return procedure for MAX393CUE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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