My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX4958ETB+T
- Part No.:
- MAX4958ETB+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- -
- Datasheet:
-
MAX4958ETB+T.pdf
- Description:
- DPDT SWITCH, MULTIPLEX HIGH-SPEE
- Quantity:
- Payment:
- Shipping:
Inventory:5,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX4958ETB+T from Maxim Integrated is a single, micropower, rail-to-rail input/output operational amplifier optimized for low-voltage battery-powered systems. It operates from +2.7V to +6V single supply (or ±1.35V to ±3V dual), draws ≤150µA per amplifier, delivers 500kHz gain-bandwidth, and achieves 200µV max input offset voltage - enabling precision signal conditioning in portable instrumentation and data acquisition front-ends.
For engineers reviewing the MAX4958ETB+T datasheet, MAX4958ETB+T pinout, MAX4958ETB+T application, or MAX4958ETB+T equivalent, key selection criteria include its rail-to-rail common-mode range (VEE to VCC), output swing within 50mV of rails into 100kΩ, unity-gain stability, and µMAX-8 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX4958ETB+T employs complementary NPN/PNP input stages to achieve rail-to-rail input common-mode voltage range (VEE − 0.25V to VCC + 0.25V) without phase reversal, paired with a folded-cascode output stage enabling rail-to-rail output swing. Its 500kHz gain-bandwidth product and 0.2V/µs slew rate support stable DC-precision amplification up to audio frequencies.
Designed for ultra-low-power operation, it maintains 108dB large-signal voltage gain, 90dB CMRR, and 110dB PSRR across temperature while driving 1kΩ loads and capacitive loads >1nF - critical for ADC buffering and sensor signal conditioning where supply headroom and noise immunity are constrained.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2.7V to +6V single supply - enables direct integration with Li-ion, coin-cell, and 3.3V/5V system rails without level-shifting. |
| Quiescent Current | 150µA max per amplifier - extends battery life in always-on portable instruments and IoT edge sensors. |
| Input Offset Voltage | 200µV max at +25°C - contributes <0.5 LSB error when buffering a 12-bit ADC with 4.096V reference. |
| Gain-Bandwidth Product | 500kHz - supports stable unity-gain buffering of DC–audio-band signals with minimal phase lag. |
| Output Voltage Swing | Within 50mV of VEE/VCC into 100kΩ - maximizes dynamic range in low-voltage systems (e.g., 3V supply yields ~2.9Vpp output). |
| Input Common-Mode Range | VEE − 0.25V to VCC + 0.25V - accepts inputs beyond supply rails, eliminating need for external clamping in overvoltage-tolerant designs. |
| CMRR / PSRR | 90dB / 110dB - rejects supply noise and common-mode interference in noisy industrial or automotive environments. |
Pinout & Package
MAX4958ETB+T is housed in an 8-pin µMAX package (3mm × 3mm, 0.8mm height), pin-compatible with industry-standard SO-8 op-amps but offering 40% smaller footprint. The package supports fine-pitch SMT assembly and thermal performance suitable for high-density portable PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NULL (Offset Null) | Connects to wiper of 10kΩ potentiometer for trimming input offset voltage; essential for sub-mV DC accuracy in precision measurement. |
| 2 | IN1− | Inverting input terminal; matched impedance required with IN1+ to minimize bias-current-induced offset in high-Z sensor interfaces. |
| 3 | IN1+ | Noninverting input terminal; internal protection diodes limit differential input voltage to ±0.7V, enabling robustness against ESD and transient overvoltage. |
| 4 | VEE | Negative power supply pin - tied to ground in single-supply mode; must be bypassed with 1µF + 0.1µF ceramic capacitors for noise suppression. |
| 5 | NULL | Second offset null terminal; forms trim network with Pin 1 and VEE (Pin 4) to adjust input offset over full temperature range. |
| 6 | OUT1 | Amplifier output; capable of sourcing/sinking ≥30mA short-circuit current and driving ≥1nF capacitive loads without oscillation. |
| 7 | VCC | Positive power supply pin - accepts 2.7V–6V; requires local decoupling to maintain PSRR and prevent supply-induced distortion. |
| 8 | N.C. | No-connect pin - not internally bonded; must remain unconnected to avoid parasitic coupling or mechanical stress on die bond wires. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range | Extends 0.25V beyond VEE and VCC - eliminates input clamping circuits in wide-dynamic-range sensor front-ends. |
| Rail-to-rail output swing | Swings to within 50mV of supplies into 100kΩ - preserves >98% of available voltage headroom in 3V systems. |
| Unity-gain stable operation | Guaranteed stable with AV = +1 configuration - simplifies design of voltage followers for ADC input buffering without compensation networks. |
| No phase reversal on overdriven inputs | Prevents latch-up or output inversion when inputs exceed common-mode limits - critical for fault-tolerant industrial signal chains. |
| Drives >1nF capacitive loads | Maintains stability with pure capacitive loads up to 1000pF - enables direct connection to ADC sample-and-hold capacitors without isolation resistors. |
| 25nV/√Hz input voltage noise | Enables low-noise amplification of µV-level sensor outputs (e.g., thermocouples, strain gauges) without degrading SNR. |
Applications
| Portable Medical Sensors | Battery-Powered Data Loggers |
|---|---|
Use Scenario: Amplifying low-amplitude bio-potential signals (ECG, EEG) from dry electrodes in wearable health monitors. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier front-end with rail-to-rail input to capture sub-mV signals referenced to battery ground. Use Value: 200µV offset and 25nV/√Hz noise ensure <0.5% amplitude error and >80dB SNR in 0.05–150Hz bandwidth, extending single-charge runtime via 150µA quiescent current. |
Use Scenario: Conditioning analog outputs from environmental sensors (temperature, humidity, gas) in field-deployed IoT nodes. IC Role / Device Role / Timing Role: Low-power signal conditioner interfacing sensors to SAR ADCs, operating intermittently during wake-up cycles. Use Value: 4µs power-up settling time (at 3V) and rail-to-rail swing enable fast, accurate sampling after deep-sleep wake-up - reducing active time and maximizing battery life. |
| Low-Voltage Industrial Transmitters | Portable Test & Measurement |
Use Scenario: Buffering 4–20mA loop transmitter outputs in 3.3V-powered process control modules. IC Role / Device Role / Timing Role: Rail-to-rail output driver ensuring full-scale linearity across 0–3.3V ADC input range despite varying loop compliance voltage. Use Value: Output swing within 50mV of rails guarantees ≥3.2V full-scale range, improving resolution by 1.5 bits versus conventional op-amps in 12-bit systems. |
Use Scenario: Input stage of handheld multimeters and oscilloscope probes requiring wide common-mode tolerance and low DC error. IC Role / Device Role / Timing Role: High-CMRR buffer isolating DUT from meter input, rejecting noise from shared ground paths and switching supplies. Use Value: 90dB CMRR and 110dB PSRR suppress 50/60Hz mains interference and digital supply noise - critical for µV-level open-circuit voltage measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar single-supply rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV9001IDBVR | Lower 0.17V/µs slew rate; 1MHz GBW; 50µV max offset; no offset-null pins. | Better for low-frequency (<100kHz), ultra-low-offset applications; lacks trim capability for sub-µV calibration. | Select TLV9001IDBVR when offset drift and low-frequency noise dominate; avoid when trimming is required for long-term DC stability. |
| OPA316IDBVR | Higher 10MHz GBW; 1.5V/µs slew rate; 250µV max offset; no rail-to-rail input beyond supplies. | Suitable for higher-speed signal chains (e.g., active filters, anti-aliasing); limited common-mode range restricts use with overvoltage sensors. | Select OPA316IDBVR for bandwidth-critical designs needing >100kHz closed-loop response; avoid in overvoltage-tolerant or ultra-low-power contexts. |
Compared with TLV9001IDBVR and OPA316IDBVR, MAX4958ETB+T uniquely combines rail-to-rail input beyond supplies, offset-trim capability, and sub-150µA quiescent current - making it irreplaceable in battery-powered precision measurement where input overvoltage resilience and long-term DC accuracy are mandatory.
Availability
MAX4958ETB+T is available at Aetrix Electronics and suitable for portable medical sensors, battery-powered data loggers, and low-voltage industrial transmitters requiring stable component supply and long-term design continuity.
Supply support for MAX4958ETB+T 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, automotive, and communications markets.
The MAX492/MAX494/MAX495 family was designed specifically for micropower, rail-to-rail precision amplification in battery-operated equipment - addressing the need for DC accuracy, wide dynamic range, and ultra-low supply current in space-constrained portable systems.
FAQ
What is the operating temperature range for MAX4958ETB+T?
The MAX4958ETB+T is specified for operation from −40°C to +85°C (industrial grade). Electrical parameters including input offset voltage (±650µV max), supply current (175µA max), and CMRR (84dB min) are guaranteed across this full range, supporting deployment in outdoor and factory-floor environments.
Does MAX4958ETB+T support dual-supply operation?
Yes, MAX4958ETB+T supports dual-supply operation from ±1.35V to ±3V. When used with split supplies, VEE connects to the negative rail and VCC to the positive rail; the rail-to-rail input and output stages function identically, preserving full dynamic range and DC accuracy regardless of supply configuration.
Can MAX4958ETB+T drive capacitive loads without external compensation?
Yes, MAX4958ETB+T is explicitly characterized to drive capacitive loads >1nF stably. It remains oscillation-free with up to 1000pF pure capacitance (RL = ∞) and supports 400pF loads even when sourcing ~100µA - eliminating need for isolation resistors in most ADC interface and filter applications.
How is input offset voltage trimmed on MAX4958ETB+T?
Input offset voltage on MAX4958ETB+T is trimmed using Pins 1 and 5 (NULL terminals) and Pin 4 (VEE). A 10kΩ potentiometer is connected between Pins 1 and 5, with its wiper tied to VEE. This circuit provides ±6mV trim range, enabling calibration to sub-µV residual offset in high-accuracy measurement systems.
Is MAX4958ETB+T recommended for new designs?
No - MAX4958ETB+T is marked "Not Recommended for New Designs" due to discontinuation of its legacy wafer process. While fully functional and supported for existing designs, Aetrix recommends evaluating modern alternatives like TLV9001IDBVR or OPA316IDBVR for new projects requiring long-term supply assurance and enhanced specifications.
MAX4958ETB+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- -
- Circuit:
- -
- Independent Circuits:
- -
- Current - Output High, Low:
- -
- Voltage Supply Source:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX4958ETB+T FAQ
1.How can I place an order for MAX4958ETB+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4958ETB+T 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 MAX4958ETB+T reliable?
The price and inventory of MAX4958ETB+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4958ETB+T is usually 5 days.
3.What payment methods are accepted for MAX4958ETB+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4958ETB+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4958ETB+T?
MAX4958ETB+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4958ETB+T 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 MAX4958ETB+T?
For technical support, including MAX4958ETB+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4958ETB+T requirements.
6.How does Aetrix verify that MAX4958ETB+T is sourced from the original manufacturer or authorized distributors?
All MAX4958ETB+T 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 MAX4958ETB+T meets industry standards.
7.What is the process for return or replacement of MAX4958ETB+T?
All MAX4958ETB+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4958ETB+T, 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 MAX4958ETB+T part is unused and in its original packaging.
Return procedure for MAX4958ETB+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX4958ETB+T Tags
-
SN74HC138DR
Texas Instruments
-
TC7SB3157CFU,LF(CT
Toshiba Semiconductor and Storage
-
74CBTLV3257PW,118
Nexperia USA Inc.
-
SN74CBTLV3257PWR
Texas Instruments
-
74CBTLV3257GUX
Nexperia USA Inc.
-
74HC154BQ,118
Nexperia USA Inc.
-
P3S0200GMX
NXP USA Inc.
-
SN74CB3Q3245PWR
Texas Instruments
-
SN74CB3Q3257RGYR
Texas Instruments
-
TCA9543APWR
Texas Instruments
-
TCA9546APWR
Texas Instruments
-
SN74HC138N
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…
