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Analog Devices Inc./Maxim Integrated MAX4196ESA+T
- Part No.:
- MAX4196ESA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4196ESA+T.pdf
- Description:
- IC INST AMP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,846
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Product details
Overview
MAX4196ESA+T from Maxim Integrated is a fixed-gain, rail-to-rail, micropower 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 single supply. It delivers precision signal conditioning for low-level sensor outputs in battery-powered medical and industrial measurement systems.
For engineers reviewing the MAX4196ESA+T datasheet, MAX4196ESA+T pinout, MAX4196ESA+T application, or MAX4196ESA+T equivalent, key selection criteria include its guaranteed 8µA shutdown current, ±0.03% gain error at +25°C, input common-mode range extending 200mV below ground, rail-to-rail output swing, and SO-8 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX4196ESA+T 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 rail-to-rail output stage achieves ≤30mV from rails into 25kΩ loads.
Shutdown control via the SHDN pin reduces supply current to 8µA (typ), placing the output in high-impedance state. The device maintains precision across −40°C to +85°C with ±0.03% gain error (25°C) and ±15ppm/°C gain temperature coefficient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | +10V/V, fixed by internal laser-trimmed resistors - eliminates external gain-setting components and associated drift. |
| DC CMRR | 115dB at G = +10V/V, 25°C - enables accurate amplification of µV-level differential signals in noisy industrial environments. |
| Quiescent Current | 93µA - supports >1-year battery life in portable ECG monitors and handheld data loggers. |
| Shutdown Current | 8µA - allows periodic wake-up sampling without significant average power penalty. |
| Input Offset Voltage | ±75µV (max, −40°C to +85°C) - ensures <0.1% measurement error in 4–20mA loop transmitters with 100mV full-scale inputs. |
| Supply Range | +2.7V to +7.5V single supply - interfaces directly with Li-ion, two-cell alkaline, or regulated 3.3V/5V rails without level-shifting. |
| Input Common-Mode Range | VEE − 0.2V to VCC − 1.1V - accepts grounded-sensor configurations (e.g., thermocouples) without level-shifting circuitry. |
| Output Swing | Within 30mV of rails (25kΩ load) - maximizes dynamic range for ADCs with 0–VCC input ranges. |
Pinout & Package
MAX4196ESA+T is housed in an 8-pin SO (Small Outline) package, RoHS-compliant, with standard 1.27mm pitch and 4.9mm × 6.0mm body dimensions. Pin 1 is marked with a dot or bevelled edge.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (RG−) | Gain resistor connection (low side) | No connection required - internally tied to fixed 25kΩ resistor network for +10V/V gain. |
| 2 (IN−) | Inverting input | Differential input node; accepts common-mode voltages down to VEE − 0.2V. |
| 3 (IN+) | Noninverting input | Differential input node; matched to IN− for optimal CMRR performance. |
| 4 (VEE) | Negative supply | Ground reference for single-supply operation; must be connected to system ground. |
| 5 (REF) | Reference voltage input | Sets output common-mode level; typically tied to VCC/2 for maximum swing in single-supply systems. |
| 6 (OUT) | Amplifier output | Rail-to-rail output driving up to 25kΩ load; high-impedance during shutdown. |
| 7 (VCC) | Positive supply | Accepts +2.7V to +7.5V; requires local 0.1µF bypass capacitor to ground. |
| 8 (SHDN) | Shutdown control | Active-low logic input; pulls low (< VIL = VCC − 2.5V) to enter 8µA shutdown mode. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables direct interfacing with grounded sensors and low-voltage ADCs without external biasing or level-shifting networks. |
| 115dB DC CMRR at G = +10V/V | Rejects 99.9997% of common-mode noise in bridge-based strain gauge and thermocouple circuits. |
| 8µA shutdown current | Reduces average power in duty-cycled sensor nodes (e.g., wireless IoT nodes) by >90% versus active operation. |
| ±0.03% gain error (25°C) | Eliminates need for per-unit gain calibration in production test, lowering manufacturing cost for portable medical devices. |
| −40°C to +85°C operating range | Supports deployment in automotive cabin modules, industrial PLC I/O cards, and outdoor environmental sensors. |
| SO-8 package with standard footprint | Ensures drop-in replacement capability and compatibility with automated SMT assembly lines using industry-standard reflow profiles. |
Applications
| Thermocouple Amplifier | 4–20mA Loop Transmitter |
|---|---|
Use Scenario: Amplifying µV-level thermocouple outputs (e.g., Type K, −200°C to +1350°C) in furnace controllers with cold-junction compensation. IC Role / Device Role / Timing Role: Precision instrumentation amplifier providing fixed +10V/V gain, rejecting thermocouple wire EMI and power-supply ripple. Use Value: Delivers ±0.5°C accuracy over full temperature range without trimming, leveraging 115dB CMRR and 75µV max input offset. | Use Scenario: Converting sensor voltage (e.g., pressure transducer 0–100mV) to standardized 4–20mA current loop for industrial process control. IC Role / Device Role / Timing Role: Front-end signal conditioner isolating and scaling low-level sensor output before V/I conversion stage. Use Value: Maintains linearity within ±0.001% due to low nonlinearity spec, ensuring <0.1% full-scale error across 16-bit DAC resolution. |
| Battery-Powered Data Logger | Bridge Amplifier for Strain Gauges |
Use Scenario: Continuous monitoring of vibration or temperature in remote asset-tracking tags powered by coin-cell batteries. IC Role / Device Role / Timing Role: Low-power analog front-end enabling multi-year operation via 93µA active and 8µA shutdown current. Use Value: Achieves >3-year battery life at 1Hz sampling rate, validated by supply current vs. temperature curves across −40°C to +85°C. | Use Scenario: Amplifying differential output of full-bridge strain gauges (120Ω–350Ω) in structural health monitoring systems. IC Role / Device Role / Timing Role: High-CMRR instrumentation amplifier rejecting lead-wire resistance errors and ambient EMI. Use Value: Input common-mode range extending 200mV below ground accommodates grounded bridge excitation, eliminating need for isolated supplies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar instrumentation amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8221ARMZ | G = +10V/V fixed; 350µA ICC; no shutdown; 8-lead MSOP package | Lacks shutdown mode and micropower operation; higher supply current limits battery life | Select when higher bandwidth (800kHz) or better PSR (105dB) is prioritized over power efficiency |
| INA126UA | G = +10V/V fixed; 170µA ICC; no shutdown; SO-8 package; 100dB CMRR | Lower CMRR and no shutdown function; wider input offset (±250µV) | Choose for cost-sensitive industrial designs where 115dB CMRR is not required and shutdown is unnecessary |
Compared with AD8221ARMZ and INA126UA, MAX4196ESA+T uniquely combines 93µA supply current, 8µA shutdown, 115dB CMRR, and SO-8 packaging-making it optimal for ultra-low-power, high-precision sensor interfaces where board space and battery longevity are critical.
Availability
MAX4196ESA+T is available at Aetrix Electronics and suitable for medical equipment, 4–20mA loop transmitters, and battery-powered portable instrumentation requiring stable component supply and long-term lifecycle support.
Supply support for MAX4196ESA+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) designs precision analog, mixed-signal, and power-management ICs for demanding industrial, medical, and communications applications.
The MAX4194–MAX4197 family was engineered specifically for low-power, high-accuracy sensor signal conditioning in single-supply, space-constrained systems-emphasizing rail-to-rail operation, micropower consumption, and robust CMRR.
FAQ
What is the guaranteed maximum input offset voltage for MAX4196ESA+T over temperature?
The MAX4196ESA+T has a guaranteed maximum input offset voltage of ±75µV over the full operating temperature range of −40°C to +85°C. This specification ensures consistent accuracy in precision measurement applications such as thermocouple amplification and bridge sensing, where offset drift directly impacts system calibration stability. The MAX4196ESA+T achieves this performance through laser-trimmed internal resistors and matched input transistor pairs.
Does MAX4196ESA+T require external gain-setting resistors?
No, MAX4196ESA+T 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 feedback resistors. Pins 1 (RG−) and 8 (RG+) are unused and left unconnected in standard operation. This eliminates external component count, layout sensitivity, and resistor-induced gain drift-key advantages over variable-gain alternatives like the MAX4194.
What is the minimum supply voltage required for proper operation of MAX4196ESA+T?
The MAX4196ESA+T operates from a minimum single supply voltage of +2.7V. At this voltage, all specifications-including 115dB CMRR, rail-to-rail output swing, and 93µA quiescent current-remain valid across the full −40°C to +85°C temperature range. This low-voltage capability enables direct integration with energy-harvesting systems and single-cell lithium polymer batteries without boost regulation.
How does the shutdown function of MAX4196ESA+T affect output behavior?
When the SHDN pin of MAX4196ESA+T is pulled low (≤ VIL = VCC − 2.5V), the internal amplifiers disable and the output enters a high-impedance state-effectively disconnecting from the load. Supply current drops to 8µA (typ). Upon exit from shutdown (SHDN high), the device requires ≤0.5ms to settle within 0.1% of final value. This behavior prevents loading of downstream circuitry during sleep modes and simplifies power sequencing in multi-rail systems.
Can MAX4196ESA+T drive a 5kΩ load while maintaining rail-to-rail output swing?
Yes, MAX4196ESA+T can drive a 5kΩ load tied to VCC/2 and still achieve rail-to-rail output swing within 100mV of both supply rails. While the typical specification is ≤30mV from rails into 25kΩ, the 5kΩ condition is explicitly characterized in the Electrical Characteristics table with VOL/VOH = 100mV. This capability supports direct interfacing with medium-impedance ADC inputs and analog multiplexers without buffer amplifiers.
MAX4196ESA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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:
- 4.5 mA
- 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+T FAQ
1.How can I place an order for MAX4196ESA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4196ESA+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 MAX4196ESA+T reliable?
The price and inventory of MAX4196ESA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4196ESA+T is usually 5 days.
3.What payment methods are accepted for MAX4196ESA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4196ESA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4196ESA+T?
MAX4196ESA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4196ESA+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 MAX4196ESA+T?
For technical support, including MAX4196ESA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4196ESA+T requirements.
6.How does Aetrix verify that MAX4196ESA+T is sourced from the original manufacturer or authorized distributors?
All MAX4196ESA+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 MAX4196ESA+T meets industry standards.
7.What is the process for return or replacement of MAX4196ESA+T?
All MAX4196ESA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4196ESA+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 MAX4196ESA+T part is unused and in its original packaging.
Return procedure for MAX4196ESA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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