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Analog Devices Inc./Maxim Integrated MAX4518CEE+
- Part No.:
- MAX4518CEE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX4518CEE+.pdf
- Description:
- IC SWITCH SP4T X 1 100OHM 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,408
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Product details
Overview
MAX4518CEE+ from Maxim Integrated is a precision 4-channel CMOS analog multiplexer with <100Ω on-resistance, <4Ω channel-to-channel matching, <5pC charge injection, rail-to-rail signal handling, and operation from +2.7V to +15V single supply or ±2.7V to ±8V dual supplies. It serves as a low-leakage, low-distortion signal routing switch in battery-powered data-acquisition systems.
For engineers reviewing the MAX4518CEE+ datasheet, MAX4518CEE+ pinout, MAX4518CEE+ application, or MAX4518CEE+ equivalent, key selection criteria include guaranteed on-resistance flatness (<10Ω), NO-off leakage <2nA at +85°C, enable-controlled switching (tON <250ns), QSOP-16 package compatibility, and TTL/CMOS logic input compatibility across extended temperature ranges.
Technical Context
The MAX4518CEE+ implements a monolithic CMOS analog switch architecture with silicon-gate process optimization for ultra-low charge injection (<5pC) and ESD robustness (>2000V). Its enable (EN) and dual address inputs (A0, A1) control one of four normally-open analog paths between COM and NO1–NO4.
It supports both unipolar and bipolar operation: single-supply mode (V− tied to GND) enables rail-to-rail analog signals up to V+, while dual-supply mode (V+ and V− independently biased) extends signal range symmetrically around GND. Leakage performance is fully specified and tested at +85°C for industrial reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance | <100Ω max - ensures minimal signal attenuation and gain error in precision measurement paths |
| On-Resistance Matching | <4Ω between channels - enables accurate ratiometric measurements and multi-channel calibration |
| Charge Injection | <5pC - reduces sampling error and settling time in sample-and-hold circuits |
| NO-Off Leakage | <2nA at +85°C - maintains high impedance isolation for low-current sensor interfaces |
| Supply Range | +2.7V to +15V (single) or ±2.7V to ±8V (dual) - supports wide-input-range industrial and portable designs |
| Switching Time | <250ns transition - suitable for medium-speed data acquisition and real-time signal routing |
| Logic Compatibility | TTL/CMOS inputs - simplifies interface with microcontrollers and FPGAs without level-shifting |
Pinout & Package
MAX4518CEE+ is housed in a 16-pin QSOP (Quarter-Size Outline Package) with 0.65mm lead pitch, optimized for compact PCB layouts and automated assembly. The package is RoHS-compliant and rated for operation from −40°C to +85°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | A1, A0 | Binary address inputs selecting one of four analog channels (NO1–NO4) when EN = HIGH |
| 2 | GND | Logic ground reference for digital control inputs and internal bias circuitry |
| 3 | V+ | Positive supply rail - sets upper analog signal limit and powers internal CMOS switches |
| 4, 11, 12, 13 | NO1–NO4 | Normally-open analog input terminals - only conduct to COM when selected via A1/A0 and EN |
| 5 | V− | Negative supply rail - sets lower analog signal limit; tie to GND for single-supply operation |
| 6 | EN | Active-HIGH enable - disables all switches (high-impedance state) when LOW |
| 7 | COM | Common analog terminal - bidirectional signal path shared across all four switched channels |
| 8–10, 14, 15 | N.C. | Not internally connected - must remain unconnected per datasheet; no pull-up/down required |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog inputs from V− to V+ without clipping - essential for full-scale ADC interfacing |
| Guaranteed on-resistance flatness | <10Ω variation over full signal range - preserves linearity in precision instrumentation |
| Low power consumption | <300µW typical - extends battery life in portable test equipment and handheld meters |
| ESD protection | >2000V HBM - improves manufacturing yield and field reliability in unshielded environments |
| Break-before-make switching | 200ns minimum interval - prevents momentary shorting between channels during address changes |
Applications
| Sample-and-Hold Circuits | Automatic Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single high-precision ADC with minimal hold-mode error. IC Role / Device Role / Timing Role: Precision analog switch enabling sequential sampling of thermocouples, RTDs, or strain gauges. Use Value: Low charge injection (<5pC) minimizes pedestal error; matched on-resistance (<4Ω) ensures consistent gain across channels. |
Use Scenario: Routing stimulus and response signals between DUT and measurement instruments in modular ATE racks. IC Role / Device Role / Timing Role: High-isolation, low-leakage signal path selector for DC parametric testing and functional verification. Use Value: COM-off leakage <5nA at +85°C maintains test accuracy; off-isolation >75dB suppresses crosstalk between test sites. |
| Heads-Up Displays | Battery-Operated Systems |
Use Scenario: Switching video or symbol generator outputs to multiple display drivers in avionics HUDs. IC Role / Device Role / Timing Role: Low-distortion analog mux managing RGB or sync signal routing under tight EMI constraints. Use Value: Crosstalk <−92dB prevents ghosting; rail-to-rail operation supports full-swing video swing without clamping. |
Use Scenario: Signal conditioning and sensor selection in portable medical monitors or handheld multimeters. IC Role / Device Role / Timing Role: Ultra-low-power analog front-end switch enabling multi-sensor readout from coin-cell batteries. Use Value: Sub-300µW quiescent power extends runtime; single +3V operation eliminates need for voltage regulators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4518CSD+ | Same electrical specs but in 14-pin SO package; lacks two N.C. pins present in QSOP layout | Suitable for legacy SO footprints; requires PCB redesign for QSOP-16 due to different pin count and spacing | Select MAX4518CSD+ only if board space allows SO-14 and thermal dissipation requirements align |
| ADG408BRUZ | 8-channel, 3.5Ω on-resistance matching, 18pC charge injection, operates down to +3V but not below | Better channel density for space-constrained designs; higher charge injection limits use in sub-12-bit S/H | Choose ADG408BRUZ when expanding beyond 4 channels is needed and <5pC charge injection is not critical |
Compared with MAX4518CSD+ and ADG408BRUZ, the MAX4518CEE+ uniquely balances ultra-low charge injection (<5pC), tight on-resistance matching (<4Ω), and wide supply flexibility (+2.7V to +15V) in a compact QSOP-16 footprint-making it optimal for precision, low-power, and mixed-supply embedded systems.
Availability
MAX4518CEE+ is available at Aetrix Electronics and suitable for automatic test equipment, battery-operated systems, and precision data-acquisition systems requiring stable component supply across industrial temperature ranges.
Supply support for MAX4518CEE+ 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 MAX4518CEE+ belongs to Maxim's precision analog switch product line, engineered specifically for low-leakage, low-distortion signal routing in demanding measurement and control applications where accuracy and reliability are critical.
FAQ
What is the operating temperature range for the MAX4518CEE+?
The MAX4518CEE+ is rated for operation from −40°C to +85°C. This extended industrial temperature range is confirmed in the Ordering Information table and validated by leakage current specifications tested at +85°C. The "E" grade suffix in MAX4518CEE+ explicitly denotes this −40°C to +85°C rating, distinguishing it from the "C" grade (0°C to +70°C) versions like MAX4518CPD.
Does the MAX4518CEE+ support single-supply operation?
Yes, the MAX4518CEE+ supports single-supply operation from +2.7V to +15V. In this configuration, the V− pin must be connected to GND. The device maintains rail-to-rail analog signal handling, TTL/CMOS logic compatibility, and full specification compliance-including on-resistance flatness (<10Ω) and leakage current limits-even at the minimum +2.7V supply.
What is the function of the N.C. pins on the MAX4518CEE+ QSOP package?
The MAX4518CEE+ has five N.C. (Not Internally Connected) pins: pins 8, 9, 10, 14, and 15. As stated in the Pin Description section, these pins are unconnected inside the die and must remain floating-no external connection, pull-up, or pull-down is permitted. Their presence accommodates package standardization and mechanical stability but carries no electrical function.
How does the enable (EN) pin affect switching behavior in the MAX4518CEE+?
The EN pin on the MAX4518CEE+ is an active-HIGH enable that globally controls conduction: when EN = LOW, all four analog switches are disabled (high-impedance OFF state), regardless of A0/A1 address state. When EN = HIGH, channel selection proceeds normally via A0/A1. Enable turn-on time is <250ns, and break-before-make timing is guaranteed at ≥200ns to prevent channel contention.
Is the MAX4518CEE+ pin-compatible with other members of the MAX4518/MAX4519 family?
No, the MAX4518CEE+ is not pin-compatible with MAX4519 variants or MAX4518 versions in DIP/SO packages. The MAX4518CEE+ uses a 16-pin QSOP layout with specific pin assignments (e.g., COM on pin 7, NO1–NO4 on pins 4,11–13), whereas MAX4519 devices have dual COM/NO structures and different pinouts. Even the 14-pin SO version (MAX4518CSD+) omits two N.C. pins and relocates several functions.
MAX4518CEE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SP4T
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 4Ohm (Max)
- Voltage - Supply, Single (V+):
- 2V ~ 15V
- Voltage - Supply, Dual (V±):
- ±2.7V ~ 8V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 5pC (Max)
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 16pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP
MAX4518CEE+ FAQ
1.How can I place an order for MAX4518CEE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4518CEE+ 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 MAX4518CEE+ reliable?
The price and inventory of MAX4518CEE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4518CEE+ is usually 5 days.
3.What payment methods are accepted for MAX4518CEE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4518CEE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4518CEE+?
MAX4518CEE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4518CEE+ 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 MAX4518CEE+?
For technical support, including MAX4518CEE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4518CEE+ requirements.
6.How does Aetrix verify that MAX4518CEE+ is sourced from the original manufacturer or authorized distributors?
All MAX4518CEE+ 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 MAX4518CEE+ meets industry standards.
7.What is the process for return or replacement of MAX4518CEE+?
All MAX4518CEE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4518CEE+, 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 MAX4518CEE+ part is unused and in its original packaging.
Return procedure for MAX4518CEE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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