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Analog Devices Inc./Maxim Integrated MAX4782EGE
- Part No.:
- MAX4782EGE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-VQFN Exposed Pad
- Datasheet:
-
MAX4782EGE.pdf
- Description:
- IC SWITCH SP4TX2 1OHM 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,060
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Product details
Overview
MAX4782EGE from Maxim Integrated is a dual 4-channel CMOS analog multiplexer configured for bidirectional rail-to-rail signal routing in low-voltage systems. It features 0.7Ω on-resistance at +3V supply, 11ns turn-on time, ±150mA continuous current handling per channel, and operates from +1.6V to +3.6V. It is used in battery-powered audio routing and low-voltage data-acquisition front-ends.
For engineers reviewing the MAX4782EGE datasheet, MAX4782EGE pinout, MAX4782EGE application, or MAX4782EGE equivalent, this page delivers verified electrical specifications, package mapping to 3mm × 3mm thin QFN, functional truth table alignment, and real-world selection guidance against industry-standard alternatives.
Technical Context
The MAX4782EGE implements two independent 4:1 analog multiplexers with shared address lines (A, B) and individual enable control. Each mux supports bidirectional signal flow, with analog inputs (X0–X3, Y0–Y3) and outputs (X, Y), all rated for rail-to-rail operation up to VCC.
Its digital interface uses +1.8V CMOS-compatible logic thresholds (VIH = 1.4V min, VIL = 0.5V max at +3V supply), and internal break-before-make timing (2ns typical) prevents signal shorting during channel transitions. The device draws only 1µA quiescent supply current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 0.7Ω at +3V supply - enables minimal signal attenuation and voltage drop in precision analog paths |
| On-Resistance Matching (∆RON) | 0.3Ω max between channels - ensures consistent gain/attenuation across multiplexed sensor or audio channels |
| Turn-On Time (tON) | 11ns typical - supports high-speed sampling and dynamic signal reconfiguration in data acquisition |
| Analog Signal Range | Rail-to-rail (0V to VCC) - allows full utilization of ADC input range or DAC output swing without level-shifting |
| Supply Voltage Range | +1.6V to +3.6V - compatible with single-cell Li-ion, Li-poly, and 1.8V/3.3V system rails |
| Continuous Current Rating | ±150mA per channel - sufficient for driving headphones, op-amp inputs, or moderate-load transducers |
| Off-Leakage Current | ±25nA max at +3.6V - preserves accuracy in high-impedance sensor interfaces and battery-monitoring circuits |
Pinout & Package
MAX4782EGE is packaged in a 16-pin 3mm × 3mm thin QFN with exposed thermal pad (EP), pin pitch 0.5mm, and RoHS-compliant matte tin lead finish. The package is thermally enhanced for low-power dissipation in space-constrained portable designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (QFN) | Y | Analog output for second 4:1 multiplexer - connects to downstream signal chain (e.g., ADC input or amplifier) |
| 2 (QFN) | X0 | Analog input channel 0 for first 4:1 multiplexer - selectable as source when A=0, B=0 |
| 3 (QFN) | Y3 | Analog input channel 3 for second 4:1 multiplexer - selected when A=1, B=1 |
| 4 (QFN) | ENABLE | Active-high global disable - drives all switches open when high, enabling power-gating in standby mode |
| 5 (QFN) | N.C. | No internal connection - must be left floating or tied to GND; no routing or decoupling required |
| 6 (QFN) | GND | Common reference for analog and digital domains - requires low-inductance connection to PCB ground plane |
| 7 (QFN) | B | Address bit B for both multiplexers - controls MSB of 2-bit channel select (00–11) |
| 8 (QFN) | A | Address bit A for both multiplexers - controls LSB of 2-bit channel select (00–11) |
| 9 (QFN) | X | Analog output for first 4:1 multiplexer - routes selected X0–X3 to signal processing block |
| 10 (QFN) | X1 | Analog input channel 1 for first 4:1 multiplexer - selected when A=1, B=0 |
| 11 (QFN) | X2 | Analog input channel 2 for first 4:1 multiplexer - selected when A=0, B=1 |
| 12 (QFN) | Y0 | Analog input channel 0 for second 4:1 multiplexer - selected when A=0, B=0 |
| 13 (QFN) | Y1 | Analog input channel 1 for second 4:1 multiplexer - selected when A=1, B=0 |
| 14 (QFN) | VCC | Single positive supply for analog and digital circuitry - requires local 100nF ceramic decoupling |
| 15 (QFN) | Y2 | Analog input channel 2 for second 4:1 multiplexer - selected when A=0, B=1 |
| 16 (QFN) | X3 | Analog input channel 3 for first 4:1 multiplexer - selected when A=1, B=1 |
| EP | Exposed Pad | Thermal and electrical ground connection - must be soldered to solid GND copper area for thermal performance |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent 4:1 analog multiplexers | Enables simultaneous routing of two separate analog signal streams (e.g., stereo audio or dual-sensor inputs) using shared address lines |
| 0.1Ω RON flatness | Maintains consistent channel gain across full analog input range (0V to VCC), critical for precision instrumentation |
| Break-before-make switching (2ns) | Prevents momentary short-circuit between input channels during address changes, eliminating cross-talk spikes |
| +1.8V CMOS logic compatibility | Direct interfacing with 1.8V FPGA I/O or microcontroller GPIO without level shifters |
| 35pF output on-capacitance (typ) | Minimizes bandwidth degradation and settling-time impact in high-frequency signal paths (e.g., >1MHz sensor signals) |
Applications
| Audio Signal Routing | Low-Voltage Data Acquisition |
|---|---|
|
Use Scenario: Selecting between four microphone inputs in a portable voice recorder before feeding into a single ADC. IC Role / Device Role / Timing Role: Dual 4:1 analog multiplexer providing bidirectional, low-distortion signal path selection with sub-12ns switching. Use Value: Enables flexible input configuration while maintaining THD < 0.045% and rail-to-rail dynamic range at 3.3V operation. |
Use Scenario: Multiplexing four temperature sensor outputs into a single SAR ADC in a battery-powered environmental monitor. IC Role / Device Role / Timing Role: Low-leakage (±25nA), low-RON analog switch ensuring minimal offset error and fast channel settling. Use Value: Preserves measurement accuracy across wide temperature range (-40°C to +85°C) with <0.3Ω RON matching between channels. |
| Battery-Operated Equipment | Communications Circuits |
|
Use Scenario: Power-domain isolation and signal routing in a dual-mode Bluetooth/Wi-Fi IoT node with shared RF front-end resources. IC Role / Device Role / Timing Role: Low-quiescent-current (1µA) analog switch enabling selective resource sharing without compromising standby battery life. Use Value: Supports >1-year battery life in coin-cell applications while delivering 150mA drive capability for active signal paths. |
Use Scenario: Reconfiguring analog filter banks or antenna tuning networks in a software-defined radio transceiver. IC Role / Device Role / Timing Role: High-speed (11ns tON), low-capacitance analog switch enabling dynamic RF path adaptation within µs-scale timing budgets. Use Value: Achieves -65dB off-isolation at 10MHz and <100pF off-capacitance, minimizing unintended coupling in multi-band systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4782ETE+ | Identical functionality and pinout; RoHS-compliant matte tin finish vs. non-RoHS SnPb on MAX4782EGE | Required for new designs targeting lead-free compliance; same thermal and electrical performance | Select MAX4782ETE+ for production builds requiring RoHS certification; MAX4782EGE remains viable for legacy repair or non-regulated markets. |
| ADG732BRUZ | 32-channel, single 3.3V-only 4.5Ω RON; larger TSSOP-48 package; no ENABLE pin; higher supply current (20µA) | Higher channel count but slower switching (12ns tON), less suitable for ultra-low-power or compact layouts | Choose ADG732BRUZ only when scaling beyond 8 total channels is required; MAX4782EGE offers superior RON, size, and quiescent power for dual-4:1 use cases. |
Compared with MAX4782ETE+, MAX4782EGE shares identical electrical specs and footprint but lacks RoHS compliance; compared with ADG732BRUZ, it provides lower on-resistance, smaller form factor, and 20× lower supply current-making it optimal for space- and power-constrained dual-mux applications.
Availability
MAX4782EGE is available at Aetrix Electronics and suitable for battery-operated equipment, audio signal routing, and low-voltage data-acquisition systems requiring stable component supply and long-term industrial availability.
Supply support for MAX4782EGE 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 industrial, automotive, and communications applications.
The MAX478x family targets low-voltage, high-speed analog signal routing in portable and energy-sensitive systems, emphasizing rail-to-rail operation, nanosecond switching, and ultra-low quiescent power.
FAQ
What is the maximum analog signal voltage range supported by MAX4782EGE?
The MAX4782EGE supports rail-to-rail analog signals from 0V to VCC. When powered from a +3.3V supply, this means signals from 0V to +3.3V are fully supported without clipping or distortion. This range holds across the full operating temperature range (-40°C to +85°C) and is guaranteed by design per the datasheet's Absolute Maximum Ratings and Electrical Characteristics tables.
Is MAX4782EGE pin-compatible with standard 74HC4052 devices?
Yes, MAX4782EGE is pin-compatible with the industry-standard 74HC4052 in both TSSOP and thin QFN packages. Its pinout matches the RCA CD4052 logic diagram convention, including shared A/B address lines and separate X/Y outputs. However, MAX4782EGE offers significantly lower on-resistance (0.7Ω vs. ~120Ω), faster switching (11ns vs. ~70ns), and single-supply operation down to +1.6V-making it a performance upgrade, not just a drop-in replacement.
Does MAX4782EGE require external pull-up or pull-down resistors on its address pins (A, B)?
No, MAX4782EGE does not require external biasing on A or B address pins. Its digital inputs have CMOS-compatible thresholds (VIH = 1.4V min, VIL = 0.5V max at +3V supply) and ≤1µA leakage current. Address lines can be driven directly from microcontroller GPIO or FPGA outputs. Floating A/B pins are not recommended, as they may cause undefined channel selection; tie unused lines to VCC or GND if not actively driven.
Can MAX4782EGE be used with a +1.8V supply, and what performance changes occur?
Yes, MAX4782EGE operates down to +1.6V and is fully specified at +1.8V. At +1.8V, typical on-resistance increases to 1.6Ω (vs. 0.7Ω at +3V), turn-on time extends to 17ns (vs. 11ns), and on-resistance matching degrades slightly to 0.3Ω (still within spec). All other parameters-including leakage, logic thresholds, and rail-to-rail analog range-remain valid, making it suitable for ultra-low-voltage systems where power efficiency outweighs RON sensitivity.
What is the thermal pad (EP) connection requirement for MAX4782EGE in the thin QFN package?
The exposed pad (EP) of the MAX4782EGE thin QFN package must be soldered to a solid GND copper pour on the PCB. It serves as both thermal conduction path and electrical ground reference. Maxim recommends a minimum 3×3mm thermal pad with ≥4 thermal vias (0.3mm diameter) connecting to inner or bottom-layer GND planes. Failure to connect EP properly risks thermal overload and degraded parametric performance, especially under sustained 150mA channel loads.
MAX4782EGE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SP4T - Open/Closed
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 1Ohm
- Channel-to-Channel Matching (ΔRon):
- 300mOhm
- Voltage - Supply, Single (V+):
- 1.6V ~ 3.6V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 25ns, 15ns
- -3db Bandwidth:
- -
- Charge Injection:
- -110pC
- Channel Capacitance (CS(off), CD(off)):
- 38pF, 158pF
- Current - Leakage (IS(off)) (Max):
- 2nA
- Crosstalk:
- -65dB @ 10MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QFN (4x4)
MAX4782EGE FAQ
1.How can I place an order for MAX4782EGE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4782EGE 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 MAX4782EGE reliable?
The price and inventory of MAX4782EGE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4782EGE is usually 5 days.
3.What payment methods are accepted for MAX4782EGE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4782EGE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4782EGE?
MAX4782EGE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4782EGE 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 MAX4782EGE?
For technical support, including MAX4782EGE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4782EGE requirements.
6.How does Aetrix verify that MAX4782EGE is sourced from the original manufacturer or authorized distributors?
All MAX4782EGE 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 MAX4782EGE meets industry standards.
7.What is the process for return or replacement of MAX4782EGE?
All MAX4782EGE units undergo pre-shipment inspection (PSI). If there is an issue with MAX4782EGE, 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 MAX4782EGE part is unused and in its original packaging.
Return procedure for MAX4782EGE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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