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Analog Devices Inc./Maxim Integrated MAX4196ESA+
- Part No.:
- MAX4196ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4196ESA+.pdf
- Description:
- IC INST AMP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:101
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Product details
Overview
MAX4196ESA+ from Maxim Integrated is a fixed-gain, rail-to-rail, single-supply instrumentation amplifier with G = +10V/V, 115dB DC common-mode rejection at 25°C, 93µA quiescent current, and operation from +2.7V to +7.5V. It features shutdown mode (8µA), input common-mode range extending 200mV below ground, and is used in precision sensor signal conditioning for thermocouples and bridge transducers.
For engineers reviewing the MAX4196ESA+ datasheet, MAX4196ESA+ pinout, MAX4196ESA+ application, or MAX4196ESA+ equivalent, key selection criteria include guaranteed 115dB CMRR at G = +10V/V, rail-to-rail output swing within 30mV of rails (25kΩ load), shutdown control timing (0.5ms enable/disable), ±75µV max input offset voltage over temperature, and SO-8 package compatibility with industrial-grade thermal range (-40°C to +85°C).
Technical Context
The MAX4196ESA+ implements a three-op-amp topology with on-chip 25kΩ feedback resistors defining its fixed +10V/V gain. Its input stage supports common-mode voltages from VEE − 0.2V to VCC − 1.1V, while the output stage delivers rail-to-rail swing with <30mV headroom into 25kΩ tied to VCC/2.
Shutdown is controlled via the SHDN pin (pin 7), which places the output in high-impedance state and reduces supply current to 8µA. The device uses internal thin-film resistor matching to achieve ±0.03% gain error at +25°C and ±1 ppm/°C gain temperature coefficient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | +10V/V (fixed, factory-trimmed; no external resistor required) |
| DC CMRR | 115dB at G = +10V/V, TA = +25°C (rejects interference in noisy industrial sensor environments) |
| Input Offset Voltage | ±75µV max over -40°C to +85°C (enables sub-100µV-level DC measurement accuracy) |
| Supply Current | 93µA typical (supports >1-year battery life in portable medical devices) |
| Shutdown Current | 8µA typical (reduces system standby power by >90%) |
| Input Common-Mode Range | VEE − 0.2V to VCC − 1.1V (accepts signals down to −0.2V with single 0V/5V supply) |
| Output Voltage Swing | Within 30mV of rails (25kΩ load to VCC/2; preserves dynamic range in low-voltage systems) |
| -3dB Bandwidth | 34kHz at G = +10V/V (supports 10kHz sensor signals with <0.1dB gain flatness) |
Pinout & Package
MAX4196ESA+ is housed in an 8-pin SO (Small Outline) package, RoHS-compliant, with 1.27mm pitch and standard JEDEC MS-012AC outline.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | REF | Reference voltage input; sets output common-mode level (e.g., VCC/2 for bipolar output swing) |
| 2 | IN− | Inverting input; accepts differential sensor signals with 200mV below ground capability |
| 3 | IN+ | Noninverting input; complements IN− for true differential amplification |
| 4 | VEE | Negative supply rail; connects to ground in single-supply configurations |
| 5 | FB | Feedback connection point; internally tied to OUT for unity-gain stable operation |
| 6 | OUT | Rail-to-rail output; drives 25kΩ loads to within 30mV of VCC or VEE |
| 7 | SHDN | Active-low shutdown control; logic-low (≤ VCC − 2.5V) enables 8µA standby mode |
| 8 | VCC | Positive supply rail; operates from +2.7V to +7.5V (single) or ±1.35V to ±3.75V (dual) |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output stage | Delivers full-scale swing (e.g., 0–5V from 5V supply) without clipping, maximizing ADC utilization |
| Fixed +10V/V gain with laser-trimmed resistors | Eliminates external gain-setting components and associated layout sensitivity or drift |
| 200mV below-ground input common-mode range | Enables direct interface to grounded thermocouple junctions without level-shifting circuitry |
| 8µA shutdown current | Reduces system-level power consumption during idle periods in portable data loggers |
| 115dB DC CMRR at G = +10V/V | Rejects 63,000:1 common-mode noise-critical for millivolt-level bridge sensor outputs |
| 34kHz bandwidth at G = +10V/V | Supports fast transient response in 4–20mA loop transmitters with minimal phase lag |
Applications
| Thermocouple Amplifier | Bridge Amplifier |
|---|---|
Use Scenario: Amplifying µV-level Seebeck voltage from K-type thermocouples in medical patient monitors. IC Role / Device Role / Timing Role: Precision instrumentation amplifier providing fixed +10V/V gain, referenced to cold-junction compensation voltage. Use Value: Input common-mode range down to −0.2V allows direct connection to grounded thermocouple junctions; 115dB CMRR suppresses EMI from nearby switching power supplies. |
Use Scenario: Signal conditioning for 350Ω strain gauge bridges in industrial load cells. IC Role / Device Role / Timing Role: Differential front-end amplifier rejecting bridge excitation noise and wire-resistance errors. Use Value: Fixed +10V/V gain eliminates gain-setting resistor tolerance errors; rail-to-rail output ensures full 16-bit ADC dynamic range utilization. |
| 4–20mA Loop Transmitter | Battery-Powered Data Acquisition |
Use Scenario: Converting sensor output to standardized 4–20mA current loop in process control transmitters. IC Role / Device Role / Timing Role: Low-power, high-precision analog front-end driving DAC-based current source. Use Value: 93µA quiescent current minimizes loop power budget impact; 34kHz bandwidth supports fast loop response (<30µs settling). |
Use Scenario: Portable environmental sensor node measuring temperature, pressure, and humidity on coin-cell battery. IC Role / Device Role / Timing Role: Micropower signal conditioner enabling multi-year operation via periodic wake-up and shutdown. Use Value: 8µA shutdown current extends battery life; SO-8 package supports compact PCB layout with minimal decoupling capacitance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar instrumentation amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8421ARMZ | Higher bandwidth (10MHz), higher supply current (1.2mA), no shutdown, SO-8 package | Requires external gain resistors; suited for high-speed, high-precision lab equipment-not micropower portable use | Select when bandwidth >100kHz is required and power budget permits >10× higher ICC |
| INA333AIDR | Zerø-drift architecture, 25µV max VOS, 50µA ICC, no shutdown, SO-8 package | Lacks shutdown function; superior DC precision but lower CMRR (100dB) at G = +10V/V | Select for ultra-low-offset applications where shutdown is not needed and CMRR >110dB is not mandatory |
Compared with AD8421ARMZ and INA333AIDR, the MAX4196ESA+ uniquely balances micropower operation (93µA), integrated shutdown (8µA), and guaranteed 115dB CMRR at +10V/V in a cost-effective SO-8 package-making it optimal for battery-powered industrial sensors where precision, power, and simplicity are jointly constrained.
Availability
MAX4196ESA+ is available at Aetrix Electronics and suitable for thermocouple amplifiers, bridge transducer interfaces, 4–20mA loop transmitters, portable data acquisition systems, and medical sensor modules requiring stable component supply across extended temperature ranges.
Supply support for MAX4196ESA+ 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, medical, and communications applications.
The MAX4194–MAX4197 family was developed specifically for low-power, single-supply sensor signal conditioning-emphasizing rail-to-rail I/O, micropower operation, and high DC precision in compact SO packages.
FAQ
What is the maximum supply voltage for MAX4196ESA+?
The MAX4196ESA+ supports a maximum supply voltage of +8V between VCC and VEE. Absolute maximum ratings specify that all pins must remain within (VCC + 0.3V) to (VEE − 0.3V); exceeding this may cause permanent damage. For reliable operation, the recommended supply range is +2.7V to +7.5V single supply or ±1.35V to ±3.75V dual supply. This rating is confirmed in the Absolute Maximum Ratings table of the MAX4194–MAX4197 datasheet.
Does MAX4196ESA+ require external gain-setting resistors?
No, the MAX4196ESA+ does not require external gain-setting resistors. It is a fixed-gain instrumentation amplifier with G = +10V/V implemented using on-chip laser-trimmed 25kΩ resistors. Unlike the variable-gain MAX4194, the MAX4196ESA+ has no RG+ or RG− pins; its gain is factory-set and unalterable. This eliminates external component count, layout sensitivity, and resistor drift effects-confirmed in the Selector Guide and Pin Configurations section of the datasheet.
What is the typical input offset voltage of MAX4196ESA+ over temperature?
The MAX4196ESA+ has a maximum input offset voltage of ±75µV over the full operating temperature range of −40°C to +85°C. At +25°C, the typical value is ±50µV. This specification is explicitly listed in the Electrical Characteristics table under "Input Offset Voltage" for G = +10V/V, VCM = VCC/2, and TA = TMIN to TMAX. The low drift supports high-accuracy DC measurements in industrial environments without frequent recalibration.
How does the shutdown function operate on MAX4196ESA+?
The MAX4196ESA+ shutdown function is activated by pulling the SHDN pin (pin 7) low to ≤ VCC − 2.5V (VIL threshold). This places the output in high-impedance state and reduces quiescent current to 8µA typical. Enable time from shutdown is 0.5ms (0.1% settling), and shutdown entry time is also 0.5ms. These timing parameters are measured at G = +1V/V but apply across all gains. The SHDN pin is only present on MAX4195/MAX4196/MAX4197-not on MAX4194.
Is MAX4196ESA+ compatible with single-supply operation at 3.3V?
Yes, the MAX4196ESA+ is fully compatible with +3.3V single-supply operation. Its specified supply range is +2.7V to +7.5V, and all key specifications-including 115dB CMRR, 93µA ICC, and rail-to-rail output swing-are guaranteed across this range. At 3.3V, the input common-mode range extends from −0.2V to +2.2V, and output swing remains within 30mV of rails into 25kΩ. This makes MAX4196ESA+ ideal for modern low-voltage embedded systems powered by 3.3V LDOs.
MAX4196ESA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Instrumentation
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.06V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 34 kHz
- Current - Input Bias:
- 6 nA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 93µA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 7.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX4196ESA+ FAQ
1.How can I place an order for MAX4196ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4196ESA+ 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 MAX4196ESA+ reliable?
The price and inventory of MAX4196ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4196ESA+ is usually 5 days.
3.What payment methods are accepted for MAX4196ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4196ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4196ESA+?
MAX4196ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4196ESA+ 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 MAX4196ESA+?
For technical support, including MAX4196ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4196ESA+ requirements.
6.How does Aetrix verify that MAX4196ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX4196ESA+ 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 MAX4196ESA+ meets industry standards.
7.What is the process for return or replacement of MAX4196ESA+?
All MAX4196ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4196ESA+, 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 MAX4196ESA+ part is unused and in its original packaging.
Return procedure for MAX4196ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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