My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX4691ETE+
- Part No.:
- MAX4691ETE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-WQFN Exposed Pad
- Datasheet:
-
MAX4691ETE+.pdf
- Description:
- IC MUX 8:1 70OHM 16TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:272
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX4691ETE+ from Maxim Integrated is an 8-channel analog multiplexer IC configured as a single-pole, 8-throw (SP8T) switch with rail-to-rail signal handling, 25Ω max on-resistance at ±4.5V dual supplies, guaranteed break-before-make timing, and operation from +2V to +11V single supply or ±2V to ±5.5V dual supplies. It serves in precision audio routing and low-voltage battery-powered instrumentation.
For engineers reviewing the MAX4691ETE+ datasheet, MAX4691ETE+ pinout, MAX4691ETE+ application, or MAX4691ETE+ equivalent, key selection criteria include on-resistance flatness (≤3.5Ω), channel matching (≤3Ω), leakage current (≤20nA at +85°C), enable transition time (≤150ns at +5V), and UCSP/TQFN package compatibility for space-constrained designs.
Technical Context
The MAX4691ETE+ implements a CMOS transmission-gate architecture with independent logic-level translators driving analog switches directly from V+ and V− rails. Its address decoding uses three digital inputs (A, B, C) to select one of eight bidirectional analog paths between common X and inputs X0–X7.
It supports true rail-to-rail analog signal swing (0V to V+ or V− to V+) under both single-supply (V− = GND) and dual-supply (V− < 0V) configurations, with internal ESD diodes clamping signals beyond supply rails - requiring careful power sequencing to avoid latch-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | Rail-to-rail: 0V to V+ (single supply) or V− to V+ (dual supply); enables full dynamic range signal routing without level-shifting. |
| On-Resistance (RON) | 25Ω max at ±4.5V; ensures minimal voltage drop and signal attenuation in precision analog paths. |
| RON Flatness | 3.5Ω max over signal range at ±4.5V; maintains consistent gain/attenuation across input voltage swing. |
| Channel Matching (∆RON) | 3Ω max at ±4.5V; critical for differential or ratiometric measurements where relative channel accuracy matters. |
| Enable Turn-On Time (tON) | 150ns max at +5V supply; supports high-speed multiplexing in data acquisition and commutation systems. |
| Off-Leakage Current | ±20nA max at +85°C; preserves signal integrity in high-impedance sensor interfaces and battery-critical standby modes. |
| Logic Compatibility | 1.8V-compatible at +3V supply; allows direct interfacing with modern low-voltage microcontrollers without level shifters. |
Pinout & Package
The MAX4691ETE+ is supplied in a 16-pin TQFN-EP (4mm × 4mm) package with exposed pad. Pin functions are electrically identical to the QFN variant per Maxim's pin description table.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| X | Analog Common Output | Single bidirectional output node shared by all 8 channels; connects to system signal path (e.g., ADC input or amplifier input). |
| X0–X7 | Analog Inputs 0–7 | Bidirectional analog terminals; each routes to X when selected; support rail-to-rail voltage swing up to V+ or down to V−. |
| A, B, C | Digital Address Inputs | 3-bit binary control: selects one of eight Xn inputs to connect to X; active high, TTL/1.8V logic compatible. |
| EN | Digital Enable Input | Active-high global enable: logic high forces all switches open; logic low enables address decoding and switching. |
| V+ | Positive Supply Rail | Powers analog switches and digital logic; must be bypassed with 0.1µF capacitor near pin; absolute max +12V. |
| V− | Negative Supply Rail | Required for dual-supply operation (±2V to ±5.5V); connect to GND for single-supply mode; absolute max −0.3V. |
| GND | Digital Ground Reference | Reference for EN, A/B/C logic levels; no analog ground reference - analog signals float between V+ and V−. |
| EP | Exposed Thermal Pad | Must be soldered to PCB copper pour tied to V+ for thermal dissipation and EMI reduction; not electrically isolated. |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed Break-Before-Make | 2ns minimum dead time prevents momentary shorting during channel transitions - essential for avoiding signal glitches in sensitive analog paths. |
| Rail-to-Rail Signal Handling | Supports analog signals from V− to V+ without clipping or distortion, enabling direct interface with op-amps, sensors, and DACs operating at supply rails. |
| Low Charge Injection (0.2pC) | Minimizes voltage kick on high-impedance nodes (e.g., sample-and-hold capacitors), preserving measurement accuracy in precision data acquisition. |
| High Off-Isolation (−80dB @ 0.1MHz) | Effectively blocks crosstalk from unselected channels, critical for maintaining SNR in multi-signal routing applications like audio mixing. |
| Low Crosstalk (−87dB @ 0.1MHz) | Ensures signal integrity between adjacent channels - vital for simultaneous routing of multiple analog signals on dense PCB layouts. |
Applications
| Audio Signal Routing | Portable Instrumentation |
|---|---|
Use Scenario: Switching between multiple microphone or line-level audio sources into a single codec or ADC input in compact audio interfaces. IC Role / Device Role / Timing Role: 8:1 analog multiplexer providing low-distortion, low-crosstalk signal selection with rail-to-rail swing and fast tON/tOFF. Use Value: Enables flexible input configuration without external op-amp buffering; THD of 0.02% preserves audio fidelity. | Use Scenario: Multiplexing outputs from multiple low-power sensors (thermocouples, strain gauges) into a shared precision ADC in handheld test equipment. IC Role / Device Role / Timing Role: Low-leakage (±20nA), low-RON analog switch ensuring minimal offset error and gain drift in high-Z sensor front-ends. Use Value: Eliminates need for discrete FET arrays or relays, reducing board area and power consumption while maintaining measurement accuracy. |
| Battery-Powered Modems | Communications Circuit Protection |
Use Scenario: Selecting between transmit/receive paths or antenna diversity branches in 3G/4G modem modules powered by 3.3V Li-ion batteries. IC Role / Device Role / Timing Role: Single-supply SP8T switch operating down to +2V with 1.8V logic compatibility for direct MCU control. Use Value: Extends battery life via sub-1µA supply current and eliminates level-shifter components in low-voltage modem designs. | Use Scenario: Isolating fault-prone communication lines (RS-232, RS-485) from sensitive host circuitry using break-before-make switching during hot-plug events. IC Role / Device Role / Timing Role: Fail-safe analog switch with guaranteed break-before-make (2ns min) preventing transient shorts during reconfiguration. Use Value: Protects downstream transceivers from voltage surges or miswired connections without mechanical relay latency or wear-out. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4691EGE+ | Same die, 16-pin QFN-EP package (4mm × 4mm); identical electrical specs; exposed pad connected to V+. | No thermal pad layout change required; same footprint except pad stencil definition differs slightly. | Select for higher thermal performance in continuous conduction or higher ambient temperature environments. |
| ADG1408BRUZ | 8:1 mux with 4.7Ω RON (±15V supply), but requires ±15V or +12V single supply; no 1.8V logic compatibility; larger 20-pin TSSOP. | Not suitable for ≤3.3V systems; higher supply voltage requirement limits battery-operated use. | Choose only if higher voltage swing (>±5V) and lower RON are mandatory, and board space allows larger package. |
Compared with MAX4691EGE+, the MAX4691ETE+ offers identical functionality in a thermally optimized TQFN variant with tighter thermal resistance; versus ADG1408BRUZ, it enables low-voltage operation and smaller footprint but trades off ultimate RON performance for supply flexibility and integration.
Availability
MAX4691ETE+ is available at Aetrix Electronics and suitable for audio signal routing, portable instrumentation, and battery-powered modems requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MAX4691ETE+ 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 precision analog, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.
The MAX4691 series belongs to Maxim's low-voltage analog switch product line, engineered specifically for rail-to-rail, low-leakage, low-RON multiplexing in space- and power-constrained portable and instrumentation systems.
FAQ
What is the maximum supply voltage rating for MAX4691ETE+?
The MAX4691ETE+ has an absolute maximum V+ to GND rating of +12V and a V+ to V− rating of +12V. For reliable operation, the recommended single-supply range is +2V to +11V, and dual-supply range is ±2V to ±5.5V. Exceeding these limits risks permanent damage due to internal ESD diode conduction or gate oxide breakdown.
Does MAX4691ETE+ support rail-to-rail analog signal operation?
Yes, the MAX4691ETE+ supports true rail-to-rail analog signal handling: from 0V to V+ in single-supply mode, or from V− to V+ in dual-supply mode. This capability is enabled by its CMOS transmission-gate architecture and internal level translators, allowing direct connection to op-amps, sensors, and ADCs operating at supply rails without external biasing.
What is the guaranteed on-resistance matching between channels for MAX4691ETE+?
The MAX4691ETE+ guarantees on-resistance matching (∆RON) of ≤3Ω across all eight channels when operated from ±4.5V dual supplies. At +5V single supply, matching is ≤5Ω. This parameter is critical for ratiometric measurements and differential signal routing where relative channel consistency affects accuracy.
Can MAX4691ETE+ be used with a 1.8V logic controller?
Yes, the MAX4691ETE+ digital inputs (A, B, C, EN) are 1.8V logic-compatible when operated from a +3V supply, with VIH = +1.4V (min) and VIL = +0.4V (max). This allows direct interfacing with 1.8V microcontrollers and FPGAs without level-shifting circuitry, simplifying design and reducing component count in low-voltage systems.
Is the exposed pad (EP) on MAX4691ETE+ electrically connected?
Yes, the exposed pad (EP) on the MAX4691ETE+ TQFN package is internally connected to V+ and must be soldered to a PCB copper pour tied to the V+ net. This connection provides critical thermal dissipation and improves EMI performance. Leaving EP floating or connecting it to GND violates the device's thermal and electrical specifications and may cause overheating or malfunction.
MAX4691ETE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 70Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm
- Voltage - Supply, Single (V+):
- 2.7V ~ 11V
- Voltage - Supply, Dual (V±):
- ±2V ~ 5.5V
- Switch Time (Ton, Toff) (Max):
- 300ns, 100ns
- -3db Bandwidth:
- -
- Charge Injection:
- 0.1pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF, 68pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -75dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TQFN (4x4)
MAX4691ETE+ FAQ
1.How can I place an order for MAX4691ETE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4691ETE+ 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 MAX4691ETE+ reliable?
The price and inventory of MAX4691ETE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4691ETE+ is usually 5 days.
3.What payment methods are accepted for MAX4691ETE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4691ETE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4691ETE+?
MAX4691ETE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4691ETE+ 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 MAX4691ETE+?
For technical support, including MAX4691ETE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4691ETE+ requirements.
6.How does Aetrix verify that MAX4691ETE+ is sourced from the original manufacturer or authorized distributors?
All MAX4691ETE+ 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 MAX4691ETE+ meets industry standards.
7.What is the process for return or replacement of MAX4691ETE+?
All MAX4691ETE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4691ETE+, 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 MAX4691ETE+ part is unused and in its original packaging.
Return procedure for MAX4691ETE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX4691ETE+ Tags
-
SN74LVC1G3157DBVR
Texas Instruments
-
SN74LVC1G66DBVR
Texas Instruments
-
SN74LVC1G66DCKR
Texas Instruments
-
SN74LVC1G3157DSFR
Texas Instruments
-
1P1G3157QDCKRQ1
Texas Instruments
-
SN74LVC2G66DCUR
Texas Instruments
-
SN74LV4052APWR
Texas Instruments
-
74HC4051D,653
Nexperia USA Inc.
-
SN74LV4051APWR
Texas Instruments
-
CD74HC4052PWR
Texas Instruments
-
CD74HC4051PWR
Texas Instruments
-
TS5A3166DBVR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
