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Analog Devices Inc./Maxim Integrated MAX338EEE+
- Part No.:
- MAX338EEE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX338EEE+.pdf
- Description:
- IC MUX 8:1 400OHM 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,164
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Product details
Overview
MAX338EEE+ from Maxim Integrated is an 8-channel single-ended CMOS analog multiplexer designed to route one of eight bidirectional analog inputs (NO1–NO8) to a common COM output under 3-bit binary address control (A0–A2), with TTL/CMOS-compatible enable (EN). It operates from ±4.5V to ±20V dual supplies or +4.5V to +30V single supply, delivers ≤400Ω on-resistance at +25°C, <20pA NO-off leakage, and 1.5pC typical charge injection-enabling precision signal routing in data-acquisition systems and test equipment.
For engineers reviewing the MAX338EEE+ datasheet, MAX338EEE+ pinout, MAX338EEE+ application, or MAX338EEE+ equivalent, key selection criteria include guaranteed -40°C to +85°C operation, QSOP-16 package compatibility, rail-to-rail analog signal handling up to ±15V, low off-isolation (-75dB), and ESD protection >2000V per Method 3015.7.
Technical Context
The MAX338EEE+ implements a monolithic silicon-gate CMOS switch architecture with integrated decode logic, supporting both multiplexing and demultiplexing functions. Its bidirectional conduction, break-before-make switching (10–140ns), and rail-to-rail analog voltage range (±15V with ±15V supplies) enable direct interface with op-amps, ADCs, and sensor front-ends without level-shifting.
All digital inputs (A0–A2, EN) maintain TTL compatibility across the full -40°C to +85°C temperature range and ±4.5V to ±18V supply window. The device is fabricated using Maxim's 44V process, ensuring robustness against overvoltage transients when used with external blocking diodes as recommended in the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance | ≤400Ω max at +25°C; ensures minimal signal attenuation and gain error in precision measurement paths |
| NO-Off Leakage | <20pA at +25°C; preserves high-impedance node integrity in sample-and-hold and sensor interfaces |
| Charge Injection | 1.5pC typ; limits voltage glitch on sampled nodes, critical for low-distortion ADC driving |
| Transition Time | <500ns; supports fast channel switching in automated test equipment and real-time control loops |
| Analog Signal Range | ±15V with ±15V supplies; enables direct connection to industrial ±10V sensors and legacy instrumentation |
| ESD Protection | >2000V per Method 3015.7; reduces need for external protection in field-deployable test gear |
| Supply Range | ±4.5V to ±20V dual or +4.5V to +30V single; simplifies power architecture in mixed-signal systems |
Pinout & Package
MAX338EEE+ is housed in a 16-pin QSOP (Quad Small Outline Package) with 0.15mm lead pitch and RoHS-compliant lead-free finish (+ suffix). The package is rated for -40°C to +85°C operation and features gull-wing leads compatible with standard surface-mount reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | V− | Negative supply rail input; must be connected for dual-supply operation or tied to GND for single-supply use |
| 2–5 | NO1–NO4 | Bidirectional analog input channels; support rail-to-rail signal voltages up to ±15V |
| 6 | COM | Common analog output terminal; connects to selected NOx channel when enabled |
| 7–10 | NO8–NO5 | Bidirectional analog input channels; numbered in reverse order per QSOP top-view layout |
| 11 | V+ | Positive supply rail input; establishes upper analog voltage limit and powers internal logic |
| 12 | GND | Digital ground reference; decoupling capacitor required near V+ and V− pins |
| 13 | A2 | MSB address input; selects channel group (0–3 or 4–7) in conjunction with A1/A0 |
| 14 | A1 | Middle address bit; determines channel pair within selected group |
| 15 | A0 | LSB address input; selects individual channel (0–7) when EN = high |
| 16 | EN | Active-high enable; disables all switches and reduces supply current to ≤150µA when low |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports input/output signals from V− to V+ without clipping, enabling direct interface with ±10V industrial sensors |
| Guaranteed low charge injection (1.5pC typ) | Minimizes sampling error in precision data acquisition, reducing post-processing calibration burden |
| Pin-compatible upgrade for DG508A/DG509A | Enables drop-in replacement in legacy designs without PCB modification or firmware changes |
| TTL/CMOS logic compatibility over full temp range | Eliminates need for level shifters when interfacing with FPGA, microcontroller, or CPLD GPIO |
| Low on-resistance matching (≤10Ω) | Ensures consistent gain and offset across all 8 channels in programmable gain amplifier applications |
Applications
| Data-Acquisition Systems | Test Equipment |
|---|---|
Use Scenario: Multiplexing outputs from multiple precision voltage/current sensors into a shared 16-bit ADC input. IC Role / Device Role / Timing Role: Analog signal router selecting one of eight sensor channels under microcontroller address control. Use Value: Enables cost-effective 8-channel data logging with ≤0.01% gain error due to matched on-resistance and sub-20pA leakage. | Use Scenario: Automated switching between calibration standards and DUT in benchtop multimeters and signal analyzers. IC Role / Device Role / Timing Role: High-fidelity analog path selector with <500ns transition time and -75dB off-isolation. Use Value: Maintains measurement accuracy by minimizing crosstalk and charge injection-induced settling errors during channel changes. |
| Military Radios | Guidance and Control Systems |
Use Scenario: Routing RF front-end receive paths and antenna diversity signals in ruggedized SDR platforms. IC Role / Device Role / Timing Role: Radiation-tolerant analog switch managing signal conditioning paths in wide-temperature environments. Use Value: Delivers reliable operation from -40°C to +85°C with ESD protection >2000V, reducing field failure risk in deployed radios. | Use Scenario: Selecting inertial measurement unit (IMU) outputs or GPS timing references in flight control computers. IC Role / Device Role / Timing Role: Fault-tolerant analog multiplexer providing redundant signal path selection with break-before-make timing. Use Value: Prevents short-circuit hazards during reconfiguration via guaranteed 10–140ns break interval and 30mA continuous current rating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX338CSE+ | 0°C to +70°C temperature range; same 16-pin narrow SO package and electrical specs | Not suitable for extended-temperature industrial or automotive deployments | Select MAX338CSE+ only for commercial-grade applications where ambient temperature remains within 0–70°C |
| ADG508A | Higher on-resistance (450Ω max), higher charge injection (3pC typ), no guaranteed ESD rating | Lacks production-level ESD validation and rail-to-rail performance at temperature extremes | Choose ADG508A only if legacy footprint compatibility outweighs leakage, speed, and ruggedness requirements |
Compared with MAX338CSE+, the MAX338EEE+ extends operational reliability to -40°C to +85°C while retaining identical pinout and switching performance; versus ADG508A, it delivers lower leakage, tighter on-resistance matching, and documented ESD hardening-making it preferable for new designs demanding precision and environmental resilience.
Availability
MAX338EEE+ is available at Aetrix Electronics and suitable for data-acquisition systems, test equipment, and guidance and control systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX338EEE+ 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 semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and computing markets.
The MAX338/MAX339 product line was engineered for low-leakage, low-charge-injection analog signal routing in precision measurement and harsh-environment applications-prioritizing parametric consistency across temperature and supply variations.
FAQ
What is the operating temperature range of the MAX338EEE+?
The MAX338EEE+ is specified for operation from -40°C to +85°C. This extended temperature range is confirmed in the Ordering Information table and Absolute Maximum Ratings section of the datasheet, and distinguishes it from commercial-grade variants like MAX338CEE+ (0°C to +70°C). The device maintains full electrical performance-including on-resistance, leakage, and switching times-across this entire range.
Does the MAX338EEE+ support single-supply operation?
Yes, the MAX338EEE+ supports single-supply operation from +4.5V to +30V. When used in single-supply mode, V− must be connected to GND. The datasheet confirms rail-to-rail analog signal handling (0V to V+) under these conditions, with on-resistance rising to 650Ω max at +25°C and 12V supply-still within specification for most precision applications.
Is the MAX338EEE+ pin-compatible with the DG508A?
Yes, the MAX338EEE+ is explicitly documented as a "plug-in upgrade for industry-standard DG508A and DG509A." Pin assignments, functional behavior, and timing characteristics match, allowing direct replacement without PCB or firmware modifications-provided the extended temperature range and improved leakage/ESD performance are acceptable for the target application.
What is the maximum analog signal voltage the MAX338EEE+ can handle?
The MAX338EEE+ supports analog signals from V− to V+. With ±15V dual supplies, this yields a ±15V signal range; with +15V single supply and V− = GND, the range is 0V to +15V. The Absolute Maximum Ratings specify V+ to V− differential ≤44V, and analog terminals tolerate (V− − 2V) to (V+ + 2V), enabling safe operation with clamping diodes in overvoltage scenarios.
How does charge injection affect system performance in MAX338EEE+ applications?
Charge injection of 1.5pC typical in the MAX338EEE+ causes a voltage glitch ΔV = Q/CL on the output node, where CL is load capacitance. For example, with 100pF load, ΔV ≈ 15mV-critical in sample-and-hold circuits. The datasheet characterizes this parameter across temperature and supply, enabling accurate settling-time budgeting and selection of appropriate hold capacitors to limit error.
MAX338EEE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 400Ohm
- Channel-to-Channel Matching (ΔRon):
- 4Ohm
- Voltage - Supply, Single (V+):
- 4.5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 500ns, 500ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1.5pC
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 11pF
- Current - Leakage (IS(off)) (Max):
- 20pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP
MAX338EEE+ FAQ
1.How can I place an order for MAX338EEE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX338EEE+ 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 MAX338EEE+ reliable?
The price and inventory of MAX338EEE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX338EEE+ is usually 5 days.
3.What payment methods are accepted for MAX338EEE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX338EEE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX338EEE+?
MAX338EEE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX338EEE+ 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 MAX338EEE+?
For technical support, including MAX338EEE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX338EEE+ requirements.
6.How does Aetrix verify that MAX338EEE+ is sourced from the original manufacturer or authorized distributors?
All MAX338EEE+ 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 MAX338EEE+ meets industry standards.
7.What is the process for return or replacement of MAX338EEE+?
All MAX338EEE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX338EEE+, 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 MAX338EEE+ part is unused and in its original packaging.
Return procedure for MAX338EEE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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