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Analog Devices Inc./Maxim Integrated MAX4253EBC-T
- Part No.:
- MAX4253EBC-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-WFBGA, CSPBGA
- Datasheet:
-
MAX4253EBC-T.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 12UCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,348
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Product details
Overview
MAX4253EBC-T from Analog Devices is a dual, low-noise, low-distortion, rail-to-rail output operational amplifier in a 10-bump UCSP package, featuring 3MHz gain-bandwidth product, 400µA quiescent current per amplifier, and shutdown mode reducing supply current to 0.5µA - optimized for portable instrumentation and ADC buffering in single-supply 2.4V–5.5V systems.
For engineers reviewing the MAX4253EBC-T datasheet, MAX4253EBC-T pinout, MAX4253EBC-T application, or MAX4253EBC-T equivalent, key selection criteria include its unity-gain stability, 8mV rail-to-rail output swing with 10kΩ load, input common-mode range extending to ground, and verified 400pF capacitive-load drive capability without oscillation.
Technical Context
The MAX4253EBC-T implements a dual-channel, unity-gain stable op-amp architecture with push-pull rail-to-rail output stage and picoampere-level input bias current (1pA typ). Its input common-mode voltage range spans from VSS to VDD – 1.1V, enabling true ground-sensing operation in single-supply configurations.
It features integrated shutdown control (SHDNA/SHDNB) that places both outputs in high-impedance state while drawing only 0.5µA total supply current. The device maintains stability driving up to 400pF capacitive loads and delivers 70µV input offset voltage with 116dB large-signal voltage gain.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 3MHz - supports stable unity-gain closed-loop operation with sufficient phase margin for precision signal conditioning. |
| Quiescent Supply Current | 400µA per amplifier - enables battery-powered designs with multi-day runtime in low-duty-cycle sensing applications. |
| Input Offset Voltage | ±0.07mV (typ) - ensures sub-100µV DC error in high-resolution sensor front-ends and 16-bit ADC buffers. |
| Rail-to-Rail Output Swing | Within 8mV of rails (10kΩ load) - maximizes dynamic range in low-voltage (2.4V–5.5V) systems without headroom loss. |
| Input Bias Current | 0.1pA (typ) - preserves signal integrity when interfacing high-impedance sources like piezoelectric transducers or strain gauges. |
| Capacitive-Load Drive | 400pF - eliminates need for external isolation resistors in typical PCB trace + filter capacitor loading scenarios. |
| Shutdown Current | 0.5µA total - allows deep power-down of both amplifiers during system sleep modes without external circuitry. |
Pinout & Package
MAX4253EBC-T is housed in a 10-bump UCSP (Ultra-Compact Silicon Package), measuring 2.1mm × 1.6mm × 0.55mm, with bottom-side solder bumps and no leadframe - designed for space-constrained portable electronics and high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1, C1 | OUTA / OUTB | Dual independent amplifier outputs; each swings rail-to-rail and enters high-Z state during respective shutdown assertion. |
| A2, C2 | INA+ / INB+ | Noninverting inputs; support common-mode range down to VSS (ground), enabling true single-supply DC-coupled sensing. |
| A3, C3 | INA− / INB− | Inverting inputs; matched input capacitance (11pF) requires feed-forward compensation (CZ) when RG||RF > 5kΩ at AV = 10. |
| B1, B4 | VDD / VSS | Positive and negative supply pins; VSS must be connected to ground for single-supply operation; bypassing with 0.1µF ceramic required. |
| B2 | No Connection | Unpopulated bump - not internally connected; must remain unconnected on PCB layout. |
| A4, C4 | SHDNA / SHDNB | Independent shutdown controls; logic-high (≥0.8×VDD) enables amplifier, logic-low (≤0.2×VDD) disables output and reduces IQ to 0.5µA. |
Key Features
| Feature | Design Value |
|---|---|
| Unity-gain stable architecture | Guaranteed stable at AV = 1 without external compensation - simplifies design for gain-of-one buffer and active filter stages. |
| Rail-to-rail output with 8mV headroom | Delivers full supply voltage utilization at 10kΩ load - critical for maximizing SNR in 3V and lower ADC reference chains. |
| Ground-sensing input common-mode range | Accepts inputs down to VSS (0V) - enables direct interface to sensors referenced to system ground without level-shifting. |
| 0.5µA shutdown current | Reduces total system standby power by >99.9% per channel - extends battery life in intermittent-measurement IoT nodes. |
| 400pF capacitive-load tolerance | Drives typical PCB traces + anti-aliasing filters without peaking or oscillation - eliminates need for output isolation resistors in most layouts. |
Applications
| Portable Medical Sensors | High-Resolution ADC Front-End |
|---|---|
Use Scenario: Signal conditioning for wearable ECG/PPG analog front-ends operating from coin-cell batteries. IC Role / Device Role / Timing Role: Dual-channel buffer and gain stage preceding 16-bit SAR ADC, providing rail-to-rail drive into 10kΩ input impedance. Use Value: 400µA per amplifier and 0.5µA shutdown enable multi-week battery life; 7.9nV/√Hz input noise preserves microvolt-level biopotential signals. | Use Scenario: Driving the input of precision 16-bit ADCs (e.g., MAX195) in portable data loggers. IC Role / Device Role / Timing Role: Low-noise, low-distortion unity-gain buffer isolating sensor from ADC sampling kickback. Use Value: 0.0004% THD+N at 1kHz and 70µV VOS ensure <1 LSB error across full-scale range; rail-to-rail swing matches ADC reference span. |
| Digital Strain Gauge Interfaces | Low-Voltage PA Control Loops |
Use Scenario: Amplifying mV-level Wheatstone bridge outputs in handheld weighing scales and industrial load cells. IC Role / Device Role / Timing Role: Instrumentation-grade differential-to-single-ended converter with programmable gain via external resistors. Use Value: 1pA input bias current prevents bridge imbalance errors; 116dB open-loop gain ensures <0.001% gain error at G = 100. | Use Scenario: Closed-loop feedback sensing in Class AB RF power amplifier bias control circuits. IC Role / Device Role / Timing Role: Fast-settling (6.7µs to 0.01%) error amplifier comparing detector output to reference voltage. Use Value: 3MHz GBW and 0.3V/µs slew rate support stable 100kHz loop bandwidth; shutdown mode disables bias path during transmit gaps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, rail-to-rail, low-power op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4252EBL+T | Same 8-bump UCSP package, identical 3MHz GBW and 400µA IQ, but lacks shutdown pins (SHDNA/SHDNB). | Not suitable where independent channel power gating is required; better for always-on dual-buffer applications. | Select MAX4252EBL+T only if shutdown functionality is unnecessary and board space allows same footprint. |
| OPA2333AIDR | Zero-drift architecture (0.02µV/°C drift), lower VOS (10µV max), but higher IQ (17µA per amp) and no shutdown mode. | Preferred for ultra-stable DC measurements over temperature; unsuitable for battery-critical systems due to 40× higher quiescent current. | Choose OPA2333AIDR only when long-term DC accuracy outweighs power budget constraints. |
Compared with MAX4252EBL+T and OPA2333AIDR, the MAX4253EBC-T uniquely balances ultra-low power (400µA), rail-to-rail performance, and dual independent shutdown - making it optimal for duty-cycled portable instrumentation where both precision and energy efficiency are mandatory.
Availability
MAX4253EBC-T is available at Aetrix Electronics and suitable for portable medical sensors, high-resolution ADC front-ends, and digital strain gauge interfaces requiring stable component supply with guaranteed long-term manufacturability.
Supply support for MAX4253EBC-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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial, and communications markets since 1965.
The MAX4249–MAX4257 family was engineered specifically for ultra-low-noise, low-distortion, rail-to-rail signal conditioning in battery-powered portable equipment - emphasizing micropower operation without sacrificing AC or DC precision.
FAQ
What is the operating temperature range for MAX4253EBC-T?
The MAX4253EBC-T is specified for operation from –40°C to +85°C. This industrial temperature range is confirmed in the Ordering Information table and Absolute Maximum Ratings section of the datasheet. It does not support the extended automotive range (–40°C to +125°C) offered by the MAX4250AAUK variant. The UCSP package's thermal characteristics are validated across this full range.
Does MAX4253EBC-T support rail-to-rail input operation?
No, the MAX4253EBC-T supports rail-to-rail *output* operation but has an input common-mode voltage range from VSS to VDD – 1.1V - meaning the input can go down to ground (VSS) but cannot reach the positive rail. This ground-sensing capability is explicitly guaranteed and enables single-supply DC-coupled designs, but true rail-to-rail input would require additional internal level-shifting not present in this device.
How is shutdown controlled on MAX4253EBC-T?
MAX4253EBC-T provides two independent shutdown inputs: SHDNA (pin A4) controls amplifier A, and SHDNB (pin C4) controls amplifier B. Each requires a logic-high signal ≥0.8×VDD to enable normal operation and a logic-low ≤0.2×VDD to activate shutdown - reducing total supply current to 0.5µA and placing the corresponding output in high-impedance state. No pull-up resistors are required; floating pins default to enabled.
Can MAX4253EBC-T drive a 1kΩ load while maintaining rail-to-rail swing?
Yes, the MAX4253EBC-T can drive a 1kΩ load, but output swing degrades: typical VOH is within 77mV of VDD and VOL within 47mV of VSS (at VDD = 5V), versus 8mV/7mV with a 10kΩ load. This is documented in the Electrical Characteristics table under "Output Voltage Swing." For full rail-to-rail utilization, a minimum 10kΩ load is recommended; heavier loads trade swing for current delivery capability.
What is the maximum capacitive load MAX4253EBC-T can drive without external compensation?
The MAX4253EBC-T is stable driving up to 400pF capacitive load without external isolation components, as verified in the Capacitive-Load Stability specification (400pF min) and Typical Operating Characteristics (Figure 12). Exceeding this value risks peaking or oscillation; for loads >400pF, a series isolation resistor (e.g., 150Ω for 1000pF) between output and load is required per Figure 5 and Figure 6 in the datasheet.
MAX4253EBC-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 10-WFBGA, CSPBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Push-Pull, Rail-to-Rail
- Slew Rate:
- 0.3V/µs
- Gain Bandwidth Product:
- 3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 70 µV
- Current - Supply:
- 420µA (x2 Channels)
- Current - Output / Channel:
- 68 mA
- Voltage - Supply Span (Min):
- 2.4 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-UCSP
MAX4253EBC-T FAQ
1.How can I place an order for MAX4253EBC-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4253EBC-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 MAX4253EBC-T reliable?
The price and inventory of MAX4253EBC-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4253EBC-T is usually 5 days.
3.What payment methods are accepted for MAX4253EBC-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4253EBC-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4253EBC-T?
MAX4253EBC-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4253EBC-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 MAX4253EBC-T?
For technical support, including MAX4253EBC-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4253EBC-T requirements.
6.How does Aetrix verify that MAX4253EBC-T is sourced from the original manufacturer or authorized distributors?
All MAX4253EBC-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 MAX4253EBC-T meets industry standards.
7.What is the process for return or replacement of MAX4253EBC-T?
All MAX4253EBC-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4253EBC-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 MAX4253EBC-T part is unused and in its original packaging.
Return procedure for MAX4253EBC-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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