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Analog Devices Inc./Maxim Integrated MAX40010TAUT+T
- Part No.:
- MAX40010TAUT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6
- Datasheet:
-
MAX40010TAUT+T.pdf
- Description:
- IC CURRENT SENSE 1 CIRCUIT SOT6
- Quantity:
- Payment:
- Shipping:
Inventory:1,344
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Product details
Overview
The MAX40010TAUT+T from Maxim Integrated is a single-channel, high-side precision current-sense amplifier with 20V/V fixed gain, 2.7V–76V input common-mode voltage range, ±12μV max input offset voltage at +25°C, and 0.1% max gain error at +25°C-designed for accurate high-voltage current monitoring in base station power amplifiers and automotive battery management systems.
For engineers reviewing the MAX40010TAUT+T datasheet, MAX40010TAUT+T pinout, MAX40010TAUT+T application, or MAX40010TAUT+T equivalent, this page delivers verified package mapping (SOT23-6 U6SN+1), confirmed thermal performance (θJA = 74.6°C/W), real-world EMIR-filtered RF immunity, and validated alternative options for 20V/V high-side sensing designs.
Technical Context
The MAX40010TAUT+T implements a high-voltage p-channel FET-based current mirror architecture to achieve input common-mode independence from VDD, enabling sensing at up to 76V while operating from only 2.7V–5.5V supply. Its internal gain-setting resistors (R1 = 25kΩ, RG1 = 10kΩ, RF = 175kΩ) fix total gain at 20V/V per Table 1.
It integrates EMI rejection filters on RS+/RS− inputs, delivers 80kHz small-signal bandwidth at G = 20V/V, and features rail-to-rail output swing (VOH = VDD − 16mV, VOL = 15mV @ 500μA) with 2μs transient recovery into 6pF ADC sampling capacitors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 20V/V - fixed ratio; enables full-scale output at 125mV sense voltage, reducing shunt power loss. |
| Input Offset Voltage | ±12μV max at +25°C - allows accurate measurement of sub-10mΩ shunts in high-current systems. |
| Gain Error | 0.1% max at +25°C - ensures <±1.25mV absolute error at 125mV full-scale sense input. |
| Common-Mode Range | 2.7V to 76V - supports direct sensing on battery terminals, server backplane rails, and PA drain lines. |
| Supply Voltage | 2.7V to 5.5V - compatible with standard 3.3V and 5V logic supplies without level-shifting. |
| Small-Signal Bandwidth | 80kHz at G = 20V/V - sufficient for DC–10kHz current monitoring with <1% amplitude error. |
| Operating Temperature | −40°C to +125°C - qualified for under-hood automotive and industrial ambient environments. |
Pinout & Package
MAX40010TAUT+T is packaged in a 6-pin SOT23 (U6SN+1) with 0.95mm pitch, 2.9mm × 1.6mm footprint, and θJA = 74.6°C/W. The package supports reflow soldering up to +260°C (Pb-free).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NC) | No Connect | Internally unconnected; must be left floating or tied to GND per layout best practice. |
| 2 (OUT) | Amplified Output | Rail-to-rail voltage output proportional to VSENSE; drives ADC inputs or analog controllers directly. |
| 3 (VDD) | Positive Supply Input | 2.7V–5.5V supply; powers internal bias, op amps, and high-voltage FET circuitry. |
| 4 (GND) | Ground Reference | Return path for VDD and output stage; requires low-impedance connection to system ground plane. |
| 5 (RS+) | High-Side Sense Input | Connects to power-source side of shunt; withstands up to +80V relative to GND. |
| 6 (RS−) | Low-Side Sense Input | Connects to load side of shunt; rejects common-mode noise via >125dB CMRR at DC. |
Key Features
| Feature | Design Value |
|---|---|
| EMI-Rejecting Inputs | Integrated passive RC filters on RS+/RS− suppress RF interference from comms equipment without external components. |
| Ultra-Low Offset Drift | 130nV/°C TCVOS - maintains <±25μV offset across full −40°C to +125°C range for stable calibration. |
| High CMRR | 125dB min at DC - rejects voltage fluctuations on high-impedance power rails during dynamic load transients. |
| Fast Transient Recovery | 2μs settling to 0.1% after 2VP-P step - enables accurate current capture during fast-switching events. |
| Power-Up Stability | Output remains high-Z during power-up (Note 4) - prevents false triggering in safety-critical monitoring paths. |
Applications
| Base Station Power Amplifier Monitoring | Automotive 12V/48V Battery Management |
|---|---|
|
Use Scenario: Real-time current monitoring of GaN/LDMOS power amplifier drain current in 5G macro base stations operating at 36V–76V drain supply. IC Role / Device Role / Timing Role: High-side current-sense amplifier converting mV-level shunt voltage to clean, amplified analog output for ADC digitization. Use Value: Enables precise PA bias control and overcurrent protection with <±0.5% full-scale accuracy at 76V common-mode, eliminating need for isolated amplifiers. |
Use Scenario: Bidirectional current sensing in automotive start-stop battery systems with 12V lead-acid or 48V Li-ion stacks. IC Role / Device Role / Timing Role: High-side monitor placed between battery terminal and main distribution fuse, rejecting engine cranking noise. Use Value: Delivers <±12μV offset stability across −40°C to +125°C, supporting accurate state-of-charge estimation without recalibration. |
| Server Backplane Current Telemetry | Solar Inverter DC Link Monitoring |
|
Use Scenario: Per-rail current monitoring on high-density server backplanes delivering 12V/54V to CPU/GPU VRMs. IC Role / Device Role / Timing Role: Precision current sensor feeding telemetry bus via SAR ADC, operating alongside hot-swap controllers. Use Value: 0.1% gain error and 80kHz bandwidth support real-time thermal derating and fault logging at 10ksps sampling rates. |
Use Scenario: DC-link current sensing in string inverters where PV array voltages reach 600V–1000V, requiring galvanically isolated measurement. IC Role / Device Role / Timing Role: High-side front-end amplifier driving isolated sigma-delta modulator input, referenced to floating DC bus. Use Value: 76V common-mode rating allows direct placement on lower side of high-voltage shunt, minimizing isolation barrier complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side current-sense amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA240A1QDRQ1 | 4V/V fixed gain, 80V common-mode, ±100μV offset, SOIC-8 package | Lower gain requires larger shunt voltage drop; wider SOIC footprint increases board area | Select when higher gain is not required and AEC-Q100 automotive qualification is mandatory. |
| LT6106IMS8#TRPBF | 100V common-mode, 20V/V gain, ±150μV offset, MSOP-8 package | Higher offset degrades sub-10mΩ shunt accuracy; MSOP-8 lacks WLP/SOT23 space efficiency | Choose for ultra-high common-mode margin (>76V) where 0.1% gain error is secondary to voltage rating. |
Compared with MAX40010TAUT+T, INA240A1QDRQ1 trades gain and offset performance for automotive qualification, while LT6106IMS8#TRPBF extends common-mode range at the cost of offset-limited resolution-making MAX40010TAUT+T optimal for space-constrained, high-accuracy 20V/V sensing at ≤76V.
Availability
MAX40010TAUT+T is available at Aetrix Electronics and suitable for base station infrastructure, automotive battery management, and server backplane current telemetry requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MAX40010TAUT+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, communications, and automotive applications.
The MAX40010 product line delivers high-voltage, high-accuracy current sensing for systems where shunt-based monitoring must coexist with RF-rich environments and extreme temperature ranges.
FAQ
What is the exact gain configuration of MAX40010TAUT+T?
The MAX40010TAUT+T is factory-configured for 20V/V fixed gain, as indicated by the "T" suffix in its part number and confirmed in Table 1 of the datasheet. This gain setting corresponds to a full-scale sense voltage of 125mV and uses internal resistor values R1 = 25kΩ, RG1 = 10kΩ, and RF = 175kΩ. The gain is not adjustable externally and remains stable across temperature and supply voltage variations.
Does MAX40010TAUT+T support high-side sensing above the supply voltage?
Yes, MAX40010TAUT+T supports high-side sensing with input common-mode voltages up to +76V independent of its VDD supply (2.7V–5.5V). This is enabled by its high-voltage p-channel FET input stage, allowing direct connection to battery terminals or power amplifier drains that operate far above the logic supply rail-critical for automotive and telecom applications.
What package type and footprint does MAX40010TAUT+T use?
MAX40010TAUT+T uses the 6-pin SOT23 package designated U6SN+1 (outline 21-0058), measuring 2.9mm × 1.6mm with 0.95mm pin pitch. It is distinct from the WLP variant (MAX40010TAWT+T) and shares pinout compatibility with other MAX40010 SOT23 variants like MAX40010LAUT+T and MAX40010FAUT+T.
How does the EMIR filter in MAX40010TAUT+T improve system robustness?
The MAX40010TAUT+T integrates passive RC EMI-rejection filters on both RS+ and RS− inputs, raising impedance to RF signals above 10MHz. This suppresses rectification effects from cellular, WiFi, or Bluetooth interference-verified by AC CMRR ≥48dB at 200kHz-eliminating the need for external ferrite beads or RC networks in base station and automotive RF-dense environments.
What is the maximum continuous input voltage stress allowed on RS+ and RS− pins of MAX40010TAUT+T?
The absolute maximum rating for RS+ and RS− pins of MAX40010TAUT+T is −0.3V to +80V relative to GND. However, the guaranteed operational common-mode range is +2.7V to +76V. Exceeding +76V may cause parametric degradation or latch-up, and operation below +2.7V is not specified for accuracy or functionality.
MAX40010TAUT+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- -
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 80 kHz
- Current - Input Bias:
- 65 µA
- Voltage - Input Offset:
- 12 µV
- Current - Supply:
- 350µA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-6
MAX40010TAUT+T FAQ
1.How can I place an order for MAX40010TAUT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX40010TAUT+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 MAX40010TAUT+T reliable?
The price and inventory of MAX40010TAUT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX40010TAUT+T is usually 5 days.
3.What payment methods are accepted for MAX40010TAUT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX40010TAUT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX40010TAUT+T?
MAX40010TAUT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX40010TAUT+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 MAX40010TAUT+T?
For technical support, including MAX40010TAUT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX40010TAUT+T requirements.
6.How does Aetrix verify that MAX40010TAUT+T is sourced from the original manufacturer or authorized distributors?
All MAX40010TAUT+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 MAX40010TAUT+T meets industry standards.
7.What is the process for return or replacement of MAX40010TAUT+T?
All MAX40010TAUT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX40010TAUT+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 MAX40010TAUT+T part is unused and in its original packaging.
Return procedure for MAX40010TAUT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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