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Analog Devices Inc./Maxim Integrated MAX4581CSE+TG104
- Part No.:
- MAX4581CSE+TG104
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4581CSE+TG104.pdf
- Description:
- INTEGRATED CIRCUIT
- Quantity:
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Inventory:3,068
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Product details
Overview
MAX4581CSE+TG104 from Maxim Integrated is an 8-channel CMOS analog multiplexer configured for rail-to-rail signal routing in low-voltage systems. It operates from ±2V to ±6V dual supplies or +2V to +12V single supply, delivers 80Ω on-resistance at ±5V, guarantees <1nA off-leakage at +25°C, and supports TTL/CMOS logic compatibility - ideal for battery-powered audio/video signal switching and low-voltage data-acquisition front-ends.
For engineers reviewing the MAX4581CSE+TG104 datasheet, MAX4581CSE+TG104 pinout, MAX4581CSE+TG104 application, or MAX4581CSE+TG104 equivalent, key selection criteria include guaranteed on-resistance matching (±10Ω), break-before-make timing (4–20ns), low crosstalk (<−96dB @50Ω), high off-isolation (<−74dB), and compatibility with industry-standard 74HC4051 pinout and logic diagrams.
Technical Context
The MAX4581CSE+TG104 implements a single 8:1 analog multiplexer using BICMOS process technology, with address decoding via three digital inputs (A, B, C) and an active-low ENABLE control. Its internal switch architecture uses complementary CMOS transistors biased by VCC and VEE to support bidirectional rail-to-rail analog conduction without ground reference.
Logic-level translation circuitry ensures TTL/CMOS compatibility across supply ranges: input thresholds scale with VCC (e.g., 0.8V–2.4V at +5V; ~1.0V–3.1V at +12V), while ESD protection diodes clamp analog pins to VCC/VEE - requiring proper power sequencing (VCC first, then VEE, then signals) to avoid leakage or damage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Configuration | 8-channel single-pole, eight-throw (8:1) analog multiplexer |
| Supply Range | ±2V to ±6V dual supply or +2V to +12V single supply - enables operation in battery, automotive, and industrial rails |
| On-Resistance | 80Ω max at ±5V - ensures minimal signal attenuation and gain error in precision sensor or audio paths |
| Off-Leakage Current | 1nA max at +25°C - preserves accuracy in high-impedance data-acquisition sampling nodes |
| Channel Crosstalk | <−96dB at 1MHz, 50Ω - critical for multi-channel simultaneous-sampling integrity |
| Break-Before-Make Time | 4–20ns - prevents momentary shorting during channel transitions in sensitive analog routing |
| Logic Compatibility | TTL/CMOS thresholds (0.8V/2.4V at +5V) - interoperable with microcontrollers and FPGAs without level shifters |
Pinout & Package
MAX4581CSE+TG104 is housed in a 16-pin narrow SO (Small Outline) package with exposed pad (RoHS-compliant, lead-free). Pin functions follow industry-standard 74HC4051 nomenclature and are electrically identical to MAX4051.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8 | X0–X7 | Eight analog input/output terminals - bidirectional, interchangeable; no dedicated input/output assignment |
| 9 | A | LSB address bit for channel selection (0–7) |
| 10 | B | Mid-bit address input |
| 11 | C | MSB address input |
| 12 | ENABLE | Active-low global enable - disables all switches when high |
| 13 | X | Common analog terminal (COM) - connects to selected X0–X7 channel |
| 14 | GND | Digital ground reference - no analog signal reference; analog range bounded by VCC/VEE only |
| 15 | VEE | Negative analog supply - tied to GND for single-supply operation |
| 16 | VCC | Positive analog/digital supply - powers logic, translators, and switch drivers |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full VEE-to-VCC voltage swing without clipping - essential for ±5V op-amp interfaces and unipolar/bipolar sensor conditioning |
| Guaranteed on-resistance match | ±10Ω max variation between channels - maintains consistent gain and time constants across multiplexed channels |
| Low charge injection | 0.5–5pC - minimizes voltage glitch on sample-hold capacitors during switching |
| High off-isolation | <−74dB at 1MHz - suppresses coupling from inactive channels into sensitive measurement paths |
| Pin-compatible with 74HC4051/MAX4051 | Drop-in replacement for legacy designs - same pinout, truth table, and logic diagram; no PCB rework required |
Applications
| Battery-Powered Instrumentation | Audio Signal Routing |
|---|---|
|
Use Scenario: Portable multimeter or handheld DMM selecting among multiple sensor inputs (thermocouple, RTD, voltage) under 3.3V or 5V battery power. IC Role / Device Role / Timing Role: 8:1 analog multiplexer enabling sequential ADC sampling of high-impedance sources with minimal loading. Use Value: 1nA off-leakage preserves measurement accuracy; 80Ω on-resistance limits gain error in precision amplifier front-ends. |
Use Scenario: Consumer AV receiver switching between 8 analog audio sources (CD, phono, tape, aux) before DAC or amplifier stages. IC Role / Device Role / Timing Role: Bidirectional analog switch routing line-level signals with low THD (0.02%) and high channel separation. Use Value: <−96dB crosstalk prevents audible bleed between channels; rail-to-rail operation preserves dynamic range across ±2V signals. |
| Low-Voltage Data Acquisition | Automotive Sensor Interface |
|
Use Scenario: Industrial PLC module acquiring temperature, pressure, and current loop signals using a single SAR ADC with multiplexed inputs. IC Role / Device Role / Timing Role: Precision analog multiplexer providing matched on-resistance and low leakage for calibrated multi-sensor systems. Use Value: Guaranteed ∆RON ≤10Ω ensures uniform channel gain; break-before-make timing avoids transient shorts during scan sequencing. |
Use Scenario: Body control module monitoring multiple analog sensors (cabin temp, seat position, ambient light) in 12V automotive systems. IC Role / Device Role / Timing Role: Robust analog switch operating from 12V single supply with AEC-Q100 qualified variants available (not this grade). Use Value: Wide +2V to +12V operation accommodates degraded battery conditions; ESD protection (>2000V) withstands vehicle-level transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4051ACPE+ | Same 8:1 configuration, but higher on-resistance (100Ω @ ±5V) and wider temp range (−40°C to +85°C); no AEC-Q100 variant | Lower bandwidth and higher distortion - less suitable for audio; better for general-purpose industrial muxing where leakage & matching are secondary | Select MAX4051ACPE+ if extended temperature range is required and 20Ω higher RON is acceptable |
| ADG708BRUZ | 8:1 CMOS mux with lower on-resistance (4.5Ω @ +5V), but narrower supply range (+1.8V to +5.5V); no dual-supply capability | Superior performance in low-voltage, high-speed digital systems; incompatible with bipolar or >5.5V rails | Choose ADG708BRUZ for battery-powered 3.3V systems demanding ultra-low RON and fast switching - not for ±5V or 12V operation |
Compared with MAX4051ACPE+, MAX4581CSE+TG104 offers tighter on-resistance matching and lower leakage, making it preferable for precision acquisition; versus ADG708BRUZ, it trades RON for broader supply flexibility and bipolar operation - critical for mixed-signal test equipment and legacy industrial designs.
Availability
MAX4581CSE+TG104 is available at Aetrix Electronics and suitable for battery-operated instrumentation, audio signal routing, and low-voltage data-acquisition systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MAX4581CSE+TG104 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 consumer applications.
The MAX4581 belongs to Maxim's precision analog switch/multiplexer product line, designed specifically for low-leakage, rail-to-rail signal routing in portable, medical, and test equipment where channel matching and signal integrity are critical.
FAQ
What supply voltages does the MAX4581CSE+TG104 support?
The MAX4581CSE+TG104 supports dual supplies from ±2V to ±6V or a single supply from +2V to +12V. When using single supply, VEE must be connected to GND. Operation at +2V is functional but increases on-resistance and switching times; typical use cases employ +5V or ±5V for optimal RON and speed.
Is the MAX4581CSE+TG104 pin-compatible with the 74HC4051?
Yes, the MAX4581CSE+TG104 is fully pin-compatible and functionally identical to the 74HC4051, including matching pinout, truth table, and logic diagram per RCA CD4051 specifications. This allows direct drop-in replacement in existing designs without layout changes or firmware updates.
What is the maximum off-isolation and crosstalk performance of the MAX4581CSE+TG104?
The MAX4581CSE+TG104 delivers off-isolation of <−74dB and crosstalk of <−96dB at 1MHz into 50Ω loads. These values are measured per standard test configurations (Figure 6 in datasheet) and reflect worst-case channel-to-channel coupling - critical for maintaining signal fidelity in multi-channel data acquisition.
Does the MAX4581CSE+TG104 require external protection diodes for overvoltage?
No - the MAX4581CSE+TG104 integrates reverse-biased ESD protection diodes between each analog pin and VCC/VEE. However, proper power sequencing (VCC first, then VEE, then signals) is mandatory. External diodes are only recommended if analog signals may exceed VCC or VEE beyond absolute maximum ratings - which would risk permanent damage regardless of protection.
How does temperature affect on-resistance and leakage in the MAX4581CSE+TG104?
On-resistance increases with temperature - e.g., RON rises from ~80Ω at +25°C to ~110Ω at +85°C (per Figure toc04). Off-leakage grows exponentially: from 1nA at +25°C to 5nA at +85°C (guaranteed per datasheet Note 5). These variations are characterized and tested - design margins must account for worst-case RON and leakage at max operating temperature.
MAX4581CSE+TG104 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX4581CSE+TG104 FAQ
1.How can I place an order for MAX4581CSE+TG104 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4581CSE+TG104 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 MAX4581CSE+TG104 reliable?
The price and inventory of MAX4581CSE+TG104 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4581CSE+TG104 is usually 5 days.
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MAX4581CSE+TG104 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4581CSE+TG104 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 MAX4581CSE+TG104?
For technical support, including MAX4581CSE+TG104 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4581CSE+TG104 requirements.
6.How does Aetrix verify that MAX4581CSE+TG104 is sourced from the original manufacturer or authorized distributors?
All MAX4581CSE+TG104 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 MAX4581CSE+TG104 meets industry standards.
7.What is the process for return or replacement of MAX4581CSE+TG104?
All MAX4581CSE+TG104 units undergo pre-shipment inspection (PSI). If there is an issue with MAX4581CSE+TG104, 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 MAX4581CSE+TG104 part is unused and in its original packaging.
Return procedure for MAX4581CSE+TG104:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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