My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX4691EGE
- Part No.:
- MAX4691EGE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-VQFN Exposed Pad
- Datasheet:
-
MAX4691EGE.pdf
- Description:
- IC SWITCH SP8T X 1 25OHM 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:7,323
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX4691EGE 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, 70Ω max on-resistance at +2.7V supply, 3.5Ω max RON flatness, and guaranteed break-before-make timing. It operates from a single +2V to +11V supply or dual ±2V to ±5.5V supplies and is used in audio/video routing and battery-powered instrumentation.
For engineers reviewing the MAX4691EGE datasheet, MAX4691EGE pinout, MAX4691EGE application, or MAX4691EGE equivalent, key selection criteria include on-resistance matching across channels, leakage current stability over temperature, enable transition timing, logic-level compatibility down to 1.8V, and UCSP/QFN package footprint constraints for space-constrained PCBs.
Technical Context
The MAX4691EGE implements a CMOS transmission-gate architecture with independent digital address decoding (A/B/C inputs) and global enable (EN) control. Its internal logic-level translators convert 1.8V–5V-compatible digital inputs into full-rail analog gate drive signals referenced to V+ and V−, enabling true rail-to-rail analog signal switching without ground reference.
It supports both unipolar (V− = GND) and bipolar (V− < 0V) operation, with ESD protection diodes clamping analog pins between V+ and V−. Signal integrity is maintained via low crosstalk (−90dB at 100kHz) and high off-isolation (−88dB), critical for multi-channel analog multiplexing in mixed-signal systems.
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) | 70Ω max at +2.7V; defines insertion loss and channel-dependent gain error in precision signal paths. |
| RON Matching | 5Ω max at +2.7V; ensures consistent gain/attenuation across all 8 channels in measurement or calibration systems. |
| Break-Before-Make Time | 2ns max; prevents momentary short-circuit between input channels during address transitions. |
| Off-Leakage Current | ±20nA max at +85°C; minimizes DC error accumulation in high-impedance sensor or integrator circuits. |
| Enable Turn-On Time | 350ns max at −40°C to +85°C; determines minimum channel-switching interval in time-multiplexed acquisition systems. |
| Digital Input Compatibility | 1.8V logic-high threshold at +3V supply; allows direct interface with low-voltage microcontrollers without level shifters. |
Pinout & Package
The MAX4691EGE is supplied in a 16-pin QFN-EP (4mm × 4mm) package with exposed pad. Pin numbering follows standard QFN layout; EP must be soldered to V+ for thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| X0–X7 | Analog Inputs (Channels 0–7) | Bidirectional signal terminals; each connects to common X when selected; no internal pull-up/down. |
| X | Analog Common Output | Single bidirectional output node shared by all 8 channels; routed to system signal path or ADC input. |
| A, B, C | Digital Address Inputs | 3-bit binary select lines (A = LSB); determine active channel (X0–X7); TTL/1.8V logic compatible. |
| EN | Global Enable Input | Active-low control: EN = GND enables switching; EN = V+ forces all channels open (high-Z state). |
| V+ | Positive Supply Rail | Supplies analog switches and digital logic; must be bypassed with 0.1µF capacitor near pin. |
| V− | Negative Analog Supply | Required for dual-supply operation; connect to GND for single-supply use; sets lower analog voltage limit. |
| GND | Digital Ground Reference | Logic ground return; separate from analog signal reference; no analog current path. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full V− to V+ input/output swing without clipping or distortion in audio, sensor, or DAC interfaces. |
| Guaranteed break-before-make | Ensures no overlap between channel closures during address changes-critical for avoiding signal shorts in power-sensitive or high-precision systems. |
| Low 1nA typical leakage current | Maintains accuracy in high-impedance applications such as medical front-ends or electrochemical sensors where leakage induces offset errors. |
| Fast 90ns transition time | Enables high-speed multiplexing in data acquisition systems sampling >10 MSPS per channel with minimal settling delay. |
| 16-pin QFN-EP package | 4mm × 4mm footprint with exposed pad reduces board area by >50% vs. SOIC-16 while improving thermal dissipation. |
Applications
| Audio Signal Routing | Portable Instrumentation |
|---|---|
Use Scenario: Switching between multiple microphone or line-level audio sources into a single codec or amplifier input. IC Role / Device Role / Timing Role: 8:1 analog multiplexer providing low-distortion, low-crosstalk signal selection with <0.02% THD+N. Use Value: Eliminates mechanical relays or discrete FET arrays, reducing size, power, and acoustic noise while preserving SNR. | Use Scenario: Multiplexing outputs from 8 temperature, pressure, or strain sensors into a single ADC in handheld test equipment. IC Role / Device Role / Timing Role: Precision analog switch with 5Ω max RON matching ensuring consistent gain across all sensor channels. Use Value: Enables calibrated multi-sensor measurements without per-channel gain compensation firmware. |
| Cellular Baseband Interface | Battery-Powered Modems |
Use Scenario: Routing RF front-end calibration signals (e.g., TX/RX loopback paths) in LTE/5G transceivers. IC Role / Device Role / Timing Role: High-isolation SP8T switch with −88dB off-isolation preventing signal bleed between calibration and operational modes. Use Value: Meets stringent RF isolation requirements without external filtering, simplifying layout and reducing BOM count. | Use Scenario: Selecting between multiple analog modem line drivers (V.22/V.34/V.90) based on connection speed negotiation. IC Role / Device Role / Timing Role: Low-leakage, rail-to-rail switch operating from +3.3V supply with 1.8V logic compatibility. Use Value: Direct interface with 1.8V UART controllers eliminates level-shifter ICs, saving PCB space and quiescent current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1408BRUZ | 8:1 mux with 4.7Ω RON at ±5V but requires dual ±5V only; no single-supply operation. | Not suitable for +3.3V-only or battery-powered systems requiring V− = GND. | Select when ultra-low RON and dual-supply precision outweigh flexibility and voltage range needs. |
| TMUX1308PWR | 8:1 mux with 5.5Ω RON at +3.3V but lacks guaranteed break-before-make and has higher 100nA leakage at +85°C. | Acceptable for non-critical industrial I/O but not for medical or metrology-grade signal integrity. | Select when cost sensitivity dominates and moderate leakage/timing specs are acceptable. |
Compared with ADG1408BRUZ and TMUX1308PWR, the MAX4691EGE uniquely supports both single- and dual-supply operation with guaranteed break-before-make and sub-20nA leakage at +85°C-making it optimal for portable, battery-operated, and mixed-rail instrumentation designs.
Availability
MAX4691EGE is available at Aetrix Electronics and suitable for audio routing, portable instrumentation, and cellular baseband interface applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MAX4691EGE 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 MAX4691EGE belongs to Maxim's low-voltage analog switch product line, designed specifically for space-constrained, battery-powered systems requiring rail-to-rail signal integrity, low leakage, and flexible supply operation.
FAQ
What supply voltage ranges does the MAX4691EGE support?
The MAX4691EGE operates from a single +2V to +11V supply (with V− tied to GND) or dual ±2V to ±5.5V supplies. At ±5V, it achieves 25Ω typical on-resistance; at +2.7V, RON is 70Ω max. Absolute maximum ratings prohibit exceeding +12V between V+ and V− or applying voltages beyond (V− − 0.3V) to (V+ + 0.3V) on any pin. The MAX4691EGE must be bypassed with a 0.1µF capacitor on V+.
Does the MAX4691EGE support 1.8V logic-level inputs?
Yes-the MAX4691EGE supports 1.8V logic-compatible digital inputs when operated from a +3V supply, with VIH = +1.4V min and VIL = +0.4V max. When powered from +5V, it is TTL-compatible (VIH = +2V min, VIL = +0.8V max). This allows direct interfacing with low-voltage microcontrollers and FPGAs without external level shifters, preserving timing integrity and reducing BOM complexity.
What is the function of the EN pin on the MAX4691EGE?
The EN (Enable) pin on the MAX4691EGE is an active-low global control that disables all 8 channels when driven high (to V+). When EN = GND, the device responds to address inputs A/B/C. Driving EN high forces all switches into high-impedance open state-useful for power-down, fault isolation, or safe startup sequencing. EN has ±1µA leakage and is compatible with 1.8V–5V logic levels.
How does the MAX4691EGE achieve rail-to-rail analog signal handling?
The MAX4691EGE achieves rail-to-rail analog signal handling through its CMOS transmission-gate architecture with gate drives referenced directly to V+ and V−. Unlike conventional switches limited by threshold voltage drops, its internal logic-level translators generate full-rail gate voltages, allowing analog signals from V− to V+ to pass with minimal distortion or clipping-even at low supply voltages like +2.7V. This is confirmed by its specified analog signal range of 0V to V+ (or V− to V+) across temperature.
Is the MAX4691EGE pin-compatible with other devices in the MAX4691–MAX4694 family?
No-the MAX4691EGE is not pin-compatible with MAX4692EGE, MAX4693EGE, or MAX4694EGE. While all share the same 16-pin QFN-EP package outline, their pin functions differ significantly: MAX4691EGE uses X0–X7 and X for 8:1 mux topology; MAX4692EGE uses X0–X3/Y0–Y3 and X/Y for dual 4:1 mux; MAX4693EGE and MAX4694EGE implement SPDT topologies with distinct common and NO/NC assignments. Always verify pin mapping against the specific device's datasheet before PCB layout.
MAX4691EGE 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):
- 25Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 11V
- Voltage - Supply, Dual (V±):
- ±2V ~ 5.5V
- Switch Time (Ton, Toff) (Max):
- 80ns, 50ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1.8pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF, 68pF
- Current - Leakage (IS(off)) (Max):
- 2nA
- Crosstalk:
- -84dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QFN (4x4)
MAX4691EGE FAQ
1.How can I place an order for MAX4691EGE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4691EGE 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 MAX4691EGE reliable?
The price and inventory of MAX4691EGE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4691EGE is usually 5 days.
3.What payment methods are accepted for MAX4691EGE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4691EGE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4691EGE?
MAX4691EGE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4691EGE 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 MAX4691EGE?
For technical support, including MAX4691EGE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4691EGE requirements.
6.How does Aetrix verify that MAX4691EGE is sourced from the original manufacturer or authorized distributors?
All MAX4691EGE 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 MAX4691EGE meets industry standards.
7.What is the process for return or replacement of MAX4691EGE?
All MAX4691EGE units undergo pre-shipment inspection (PSI). If there is an issue with MAX4691EGE, 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 MAX4691EGE part is unused and in its original packaging.
Return procedure for MAX4691EGE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX4691EGE 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…
