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Analog Devices Inc./Maxim Integrated MAX398CEE
- Part No.:
- MAX398CEE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX398CEE.pdf
- Description:
- IC SWITCH SP8T X 1 100OHM 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:775
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Product details
Overview
The MAX398CEE from Maxim Integrated is a precision 8-channel CMOS analog multiplexer designed for low-distortion signal routing in data-acquisition and test systems. It delivers <100Ω on-resistance, <6Ω channel-to-channel matching, <5pC charge injection, rail-to-rail analog signal handling (±4.5V with ±5V supplies), and operates from +3V to +15V single or ±3V to ±8V dual supplies. It serves as the signal path selector in battery-powered automatic test equipment requiring high channel integrity.
For engineers reviewing the MAX398CEE datasheet, MAX398CEE pinout, MAX398CEE application, or MAX398CEE equivalent, key selection criteria include guaranteed on-resistance flatness (<11Ω), NO/COM off-leakage <2.5nA at +85°C, ESD protection >2000V, and pin compatibility with DG408/DG508A-critical for legacy system upgrades and low-power precision switching.
Technical Context
The MAX398CEE implements an 8:1 bidirectional analog switch architecture using Maxim's low-voltage silicon-gate CMOS process, enabling TTL/CMOS logic compatibility and sub-250ns transition time. Its decoder-driven address inputs (A0–A2) select one of eight NOx inputs to connect to the common COM terminal under EN control.
It supports both single-supply (+3V to +15V) and bipolar-supply (±3V to ±8V) operation with GND referenced to V− in single-supply mode. The device guarantees rail-to-rail signal swing, low charge injection (<5pC), and matched on-resistance across all channels-enabling accurate sample-and-hold and multiplexed sensor interface applications without gain or offset error degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | <100Ω max at +25°C; ensures minimal signal attenuation and voltage drop in precision measurement paths. |
| RON matching | <6Ω between channels; enables consistent gain scaling across multiplexed sensor or DAC outputs. |
| On-resistance flatness | <11Ω over full analog range; maintains linear transfer function for ±4.5V signals with ±5V supplies. |
| Charge injection | <5pC; limits voltage glitch on sample-and-hold capacitors, preserving DC accuracy after channel switching. |
| NO off-leakage current | <2.5nA at +85°C; prevents signal corruption in high-impedance sensor front-ends and long-hold-time S/H circuits. |
| Supply range | +3V to +15V single or ±3V to ±8V dual; supports portable +5V, industrial ±5V, and extended-range +12V systems. |
| ESD protection | >2000V HBM; provides robust handling during board assembly and field service without external protection. |
Pinout & Package
MAX398CEE is supplied in a 16-pin QSOP package (E16-1), 0.150" wide, with gull-wing leads and standard SOIC-compatible footprint. Pin 1 is A0 (LSB address), pins 4–7 and 9–12 are NO1–NO8 analog inputs, pin 8 is COM analog output, pins 2 and 14 are EN and GND, pins 3 and 13 are V− and V+, respectively.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0, A1, A2 | Binary address inputs | Selects one of eight NOx inputs to route to COM; active-high, CMOS/TTL compatible. |
| EN | Enable input | High enables switching; low disconnects all channels (high-Z state), reducing system power and crosstalk. |
| COM | Common analog I/O | Bidirectional terminal-functions as input when routing NOx → COM, output when routing COM → NOx. |
| NO1–NO8 | Analog channel inputs/outputs | Eight bidirectional analog terminals; each exhibits matched RON and low leakage for precision multiplexing. |
| V+, V− | Supply rails | Support single (+3V to +15V) or dual (±3V to ±8V) operation; V− tied to GND in single-supply mode. |
| GND | Ground reference | Logic and substrate reference; must be low-impedance connection to minimize noise coupling into analog path. |
Key Features
| Feature | Design Value |
|---|---|
| PIN-compatible with DG408/DG508A | Direct drop-in replacement for industry-standard 8-channel muxes-no PCB redesign required for upgrade paths. |
| Rail-to-rail signal handling | Supports full-scale analog signals from V− to V+; eliminates level-shifting circuitry in ±5V or +5V systems. |
| Guaranteed low charge injection (<5pC) | Minimizes hold-step error in sample-and-hold stages, enabling 12-bit+ accuracy without trimming. |
| Low power consumption (<300µW) | Draws <1µA supply current; suitable for always-on battery-operated instrumentation and remote sensors. |
| TTL/CMOS logic compatibility | Accepts 0.8V/2.4V logic thresholds-interoperates directly with microcontrollers, FPGAs, and logic families without buffers. |
Applications
| Automatic Test Equipment | Sample-and-Hold Circuits |
|---|---|
|
Use Scenario: Multiplexing multiple DUT sensor outputs into a shared ADC channel during functional testing. IC Role / Device Role / Timing Role: Precision analog switch selecting one of eight transducer signals per conversion cycle. Use Value: <6Ω RON matching ensures consistent gain across channels; <2.5nA off-leakage prevents drift during long test sequences. |
Use Scenario: Routing analog inputs to a capacitor-based hold stage in a multichannel data logger. IC Role / Device Role / Timing Role: Low-charge-injection (<5pC) switch isolating the hold capacitor during acquisition phase. Use Value: Sub-5pC charge injection limits hold-step error to <1 LSB in 12-bit systems operating at 100ksps. |
| Military Radios | Battery-Operated Systems |
|
Use Scenario: Signal routing between RF front-end modules and baseband processing in compact tactical radios. IC Role / Device Role / Timing Role: High-reliability analog mux managing audio, IF, and calibration paths under temperature extremes. Use Value: Specified operation to +85°C with <2.5nA leakage ensures stable channel isolation in sealed enclosures. |
Use Scenario: Low-power sensor hub aggregating temperature, pressure, and humidity readings in handheld medical devices. IC Role / Device Role / Timing Role: Ultra-low-quiescent-current analog switch enabling >1-year battery life in sleep-active cycling. Use Value: <300µW total power and CMOS logic drive reduce MCU GPIO loading and extend standby duration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG408BRZ | Higher typical on-resistance (100Ω vs. 85Ω typ), no guaranteed RON matching spec, 16-lead SOIC only. | Lacks guaranteed <6Ω matching and <5pC charge injection-less suitable for precision S/H or metrology-grade DAQ. | Prefer MAX398CEE where channel matching and low glitch energy are critical; ADG408BRZ acceptable for general-purpose routing. |
| TMUX1208PWR | Lower voltage rating (≤5.5V supply), higher leakage (>10nA at +85°C), no bipolar supply support. | Not viable for ±5V industrial or military systems; limited to low-voltage consumer electronics. | Choose MAX398CEE for dual-supply flexibility, extended temp range, and leakage-sensitive designs; TMUX1208PWR only for cost-sensitive +3.3V apps. |
Compared with ADG408BRZ and TMUX1208PWR, the MAX398CEE uniquely combines guaranteed RON matching, bipolar supply capability, and sub-5pC charge injection-making it the only option qualified for high-fidelity, wide-temperature, multi-supply analog multiplexing in test and defense systems.
Availability
MAX398CEE is available at Aetrix Electronics and suitable for automatic test equipment, sample-and-hold circuits, and battery-operated instrumentation requiring stable component supply across commercial temperature grades.
Supply support for MAX398CEE 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 and mixed-signal ICs for industrial, communications, and computing markets.
The MAX398CEE belongs to Maxim's precision analog multiplexer product line, engineered for low-distortion, low-leakage signal routing in data-acquisition, test, and military-aerospace systems demanding guaranteed matching and rail-to-rail operation.
FAQ
What supply voltage ranges does the MAX398CEE support?
The MAX398CEE supports +3V to +15V single-supply operation (with V− tied to GND) and ±3V to ±8V dual-supply operation. It retains full specification compliance-including on-resistance, leakage, and switching speed-across this entire range, enabling use in portable +5V, industrial ±5V, and extended-range +12V systems without derating.
Is the MAX398CEE pin-compatible with the DG408?
Yes, the MAX398CEE is fully pin-compatible with the DG408 and DG508A. Its pinout matches exactly: A0–A2, EN, COM, NO1–NO8, V+, V−, and GND occupy identical positions in the 16-pin QSOP package, allowing direct replacement without layout changes or firmware updates.
What is the maximum guaranteed on-resistance flatness for the MAX398CEE?
The MAX398CEE guarantees on-resistance flatness of ≤11Ω over its specified analog signal range (e.g., ±4.5V with ±5V supplies). This means the difference between maximum and minimum RON across the full input voltage swing remains within 11Ω, ensuring highly linear signal transfer and minimal THD in AC-coupled paths.
How does the MAX398CEE handle charge injection in sample-and-hold applications?
The MAX398CEE guarantees charge injection of <5pC, measured at +25°C. This low value minimizes voltage step errors on hold capacitors-typically limiting hold-step error to <1mV for a 10nF capacitor-making it suitable for 12-bit precision data acquisition without additional correction circuitry.
Does the MAX398CEE require external ESD protection?
No, the MAX398CEE incorporates on-chip ESD protection rated >2000V per HBM (Human Body Model), eliminating the need for external TVS diodes or series resistors in most board-level implementations. This simplifies layout and reduces BOM count while maintaining robustness during handling and operation.
MAX398CEE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SP8T
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 6Ohm (Max)
- Voltage - Supply, Single (V+):
- 3V ~ 15V
- Voltage - Supply, Dual (V±):
- ±3V ~ 8V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 11pF, 40pF
- 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
MAX398CEE FAQ
1.How can I place an order for MAX398CEE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX398CEE 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 MAX398CEE reliable?
The price and inventory of MAX398CEE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX398CEE is usually 5 days.
3.What payment methods are accepted for MAX398CEE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX398CEE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX398CEE?
MAX398CEE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX398CEE 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 MAX398CEE?
For technical support, including MAX398CEE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX398CEE requirements.
6.How does Aetrix verify that MAX398CEE is sourced from the original manufacturer or authorized distributors?
All MAX398CEE 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 MAX398CEE meets industry standards.
7.What is the process for return or replacement of MAX398CEE?
All MAX398CEE units undergo pre-shipment inspection (PSI). If there is an issue with MAX398CEE, 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 MAX398CEE part is unused and in its original packaging.
Return procedure for MAX398CEE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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