My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX44206AUA+
- Part No.:
- MAX44206AUA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
MAX44206AUA+.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:2,333
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
The MAX44206AUA+ from Maxim Integrated is a low-noise, low-distortion fully differential operational amplifier designed as an ADC driver for high-resolution 20-/18-/16-bit SAR converters (e.g., MAX11905 family). It delivers 180MHz −3dB small-signal bandwidth, 3.1nV/√Hz input voltage noise at 1kHz, and −141dB HD2 at 10kHz with 2VP-P differential output - enabling precision DC-to-1MHz signal acquisition in medical imaging and process control systems.
For engineers reviewing the MAX44206AUA+ datasheet, MAX44206AUA+ pinout, MAX44206AUA+ application, or MAX44206AUA+ equivalent, key selection criteria include VOCM-adjustable common-mode output, shutdown current of 6.8µA, ±5V/3V/2.5V supply compatibility, 8-pin µMAX® package thermal performance (θJA = 77.6°C/W), and guaranteed operation from −40°C to +125°C.
Technical Context
The MAX44206AUA+ employs a fully differential architecture with independent input and output stages, supporting both single-ended and differential inputs while generating balanced, phase-inverted differential outputs. Its VOCM input directly controls output common-mode voltage without disturbing AC balance, eliminating coupling transformers or AC-blocking capacitors.
It integrates a high-speed gain stage (400MHz GBW), precision common-mode feedback loop, and active shutdown circuitry referenced to the exposed pad (EP). The design ensures <±1.5mV input offset voltage, >94dB CMRR over full input common-mode range, and stable operation into 5pF capacitive loads - critical for driving SAR ADC inputs with minimal settling error.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3dB Bandwidth | 180MHz at 0.1VP-P differential output - supports wideband signal conditioning up to Nyquist of 90MSps sampling. |
| Input Voltage Noise | 3.1nV/√Hz at 1kHz - preserves SNR when driving 20-bit SAR ADCs with ≥100dB dynamic range. |
| Harmonic Distortion | HD2 = −141dB, HD3 = −152dB at fIN = 10kHz, VOUT,DIFF = 2VP-P - meets linearity requirements for medical ultrasound front-ends. |
| Supply Range | 2.7V to 13.2V (VS+ to VS−) - enables unipolar (e.g., +5V/0V) or bipolar (±6.6V) operation in mixed-signal data acquisition systems. |
| Quiescent Current | 3.7mA typical - balances low power consumption with high-speed performance for battery-powered portable instruments. |
| Shutdown Current | 6.8µA - extends battery life in intermittent-sampling applications such as handheld diagnostic devices. |
| Operating Temperature | −40°C to +125°C - qualified for industrial process controllers and automotive test equipment environments. |
Pinout & Package
The MAX44206AUA+ is housed in an 8-pin µMAX® package (3mm × 3mm, 0.5mm pitch) with exposed pad (EP) for thermal and logic ground reference. The EP must be soldered to PCB ground for optimal thermal dissipation (θJA = 77.6°C/W) and SHDN pin functionality.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN− | Inverting Input | Accepts inverted-phase signal in differential or single-ended configurations; matched with IN+ for common-mode rejection. |
| 2 VOCM | Output Common-Mode Voltage Input | DC bias control node; sets VOUT,CM independently of differential swing - eliminates need for AC-coupling at ADC interface. |
| 3 VS+ | Positive Supply Voltage | Primary power rail; supplies internal gain and output stages; supports up to +13.2V relative to VS−. |
| 4 OUT+ | Noninverting Differential Output | High-fidelity positive-phase output; maintains amplitude/phase balance with OUT− across full bandwidth. |
| 5 OUT− | Inverting Differential Output | Complementary negative-phase output; differential pair with OUT+ enables rejection of even-order harmonics at ADC input. |
| 6 VS− | Negative Supply Voltage | Return path for dual-supply operation; accepts −13.2V relative to VS+, enabling ±6.6V rails. |
| 7 SHDN | Active-Low Shutdown Input | Logic-level control (VIH = 1.25V, VIL = 0.65V); referenced to EP; reduces supply current to 6.8µA while placing outputs in high-Z state. |
| 8 IN+ | Noninverting Input | Primary signal input; forms differential pair with IN−; supports input common-mode range from (VS−)+1.1V to (VS+)-1.1V. |
Key Features
| Feature | Design Value |
|---|---|
| Adjustable Output Common-Mode Voltage | VOCM input allows precise matching of ADC input common-mode range - avoids level-shifting circuitry and preserves DC accuracy. |
| Ultra-Low Harmonic Distortion | HD2/HD3 ≤ −141dB/−152dB at 10kHz enables clean digitization of high-fidelity analog signals in MRI and CT front-ends. |
| Low 1/f Noise | 200nVP-P (0.1Hz–10Hz) minimizes baseline drift in precision weigh scales and strain-gauge interfaces. |
| High Slew Rate | 180V/µs (±5V supply) ensures fast settling (<58ns to 0.1%) for multiplexed multi-channel data acquisition systems. |
| Robust Input Protection | Guaranteed operation with IN+/IN− differential voltage ≤ ±0.3V prevents damage during overvoltage transients in field instrumentation. |
Applications
| Medical Imaging Front-End | High-Speed Process Control |
|---|---|
|
Use Scenario: Signal conditioning for ultrasound beamformer channels prior to 20-bit SAR ADC sampling. IC Role / Device Role / Timing Role: Fully differential ADC driver providing matched gain, phase, and noise performance across 128 parallel channels. Use Value: −152dB HD3 preserves harmonic integrity of RF echo signals, enabling accurate tissue characterization without post-processing correction. |
Use Scenario: Isolated sensor signal amplification in PLC analog input modules with 1MSps sampling. IC Role / Device Role / Timing Role: Single-ended to differential converter driving MAX11905 ADC with programmable VOCM alignment to ADC reference. Use Value: 180MHz bandwidth supports anti-aliasing filter cutoff beyond 500kHz, meeting IEC 61000-4-5 surge immunity timing constraints. |
| Portable Diagnostic Equipment | Test & Measurement Digitizers |
|
Use Scenario: Battery-powered ECG/EEG acquisition with low-power shutdown between heartbeat-triggered samples. IC Role / Device Role / Timing Role: Low-noise op amp operating in cyclic active/shutdown mode to extend 24-hour runtime on Li-ion cell. Use Value: 6.8µA shutdown current reduces average system power by >99% during idle periods without compromising wake-up latency (<1.2µs). |
Use Scenario: High-fidelity waveform capture in benchtop oscilloscopes using 18-bit SAR ADCs. IC Role / Device Role / Timing Role: Precision driver maintaining <0.001% gain flatness to 19MHz - ensuring amplitude accuracy across full frequency span. Use Value: 3.1nV/√Hz input noise contributes <0.5 LSB RMS error in 18-bit system, meeting IEEE 1057 SFDR requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fully differential op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS4561IDR | Lower noise (1.6nV/√Hz), but only 105MHz bandwidth and no VOCM input - requires external level-shifting network. | Preferred for ultra-low-noise DC-coupled applications where bandwidth ≤100MHz suffices; not suitable for VOCM-matched ADC interfaces. | Select THS4561IDR when minimizing integrated noise dominates over bandwidth and VOCM flexibility. |
| ADA4945-1ACPZ-R7 | Higher supply current (12.5mA), wider supply range (±15V), and superior CMRR (110dB min), but larger 16-lead LFCSP package. | Better suited for high-voltage industrial sensors (e.g., ±10V LVDT outputs); less space-constrained than portable medical designs. | Choose ADA4945-1ACPZ-R7 for high-precision, high-supply-voltage systems where board area is secondary to DC accuracy. |
Compared with THS4561IDR and ADA4945-1ACPZ-R7, the MAX44206AUA+ uniquely combines VOCM adjustability, 180MHz bandwidth, and sub-4mA quiescent current in a 3mm × 3mm package - making it optimal for compact, battery-aware, high-resolution data acquisition where ADC common-mode alignment is critical.
Availability
The MAX44206AUA+ is available at Aetrix Electronics and suitable for medical imaging front-ends, high-speed process control systems, and portable diagnostic equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX44206AUA+ 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 and mixed-signal ICs for demanding industrial, medical, and communications applications.
The MAX44206AUA+ belongs to Maxim's high-performance ADC driver product line, engineered specifically to preserve dynamic range and linearity when interfacing with 16-/18-/20-bit SAR ADCs in noise-sensitive, wideband data acquisition systems.
FAQ
What is the maximum capacitive load the MAX44206AUA+ can drive without oscillation?
The MAX44206AUA+ is specified to remain stable with up to 5pF of capacitive load at its outputs. Exceeding this value may cause peaking or sustained oscillations due to phase margin degradation. For driving higher-capacitance ADC inputs, use series isolation resistors (e.g., 10Ω–50Ω) close to the MAX44206AUA+ outputs to maintain stability while preserving signal integrity.
Does the MAX44206AUA+ support single-supply operation?
Yes, the MAX44206AUA+ supports true single-supply operation from 2.7V to 13.2V (VS+ to VS−). When used with VS− = 0V (e.g., +5V/0V), the input common-mode range extends from +1.1V to +3.9V, and VOCM can be set to mid-supply (e.g., 2.5V) to match unipolar ADC inputs - confirmed in Electrical Characteristics tables for +5V/0V supply conditions.
How does the exposed pad (EP) function in the MAX44206AUA+?
The exposed pad (EP) on the MAX44206AUA+ serves as the logic ground reference for the SHDN pin and provides primary thermal conduction path to the PCB. It must be soldered to a solid ground plane to achieve θJA = 77.6°C/W and ensure correct shutdown threshold behavior. Leaving EP floating invalidates SHDN logic levels and degrades thermal performance.
What is the typical settling time of the MAX44206AUA+ for a 6.6VP-P differential step?
The MAX44206AUA+ settles to 0.1% of final value in 107ns for a 6.6VP-P differential output step under ±5V supply conditions. This performance is enabled by its 180V/µs slew rate and optimized internal compensation - critical for multiplexed 1Msps+ data acquisition where channel switching demands rapid settling before ADC conversion begins.
Can the MAX44206AUA+ drive the MAX11905 ADC directly without external components?
Yes, the MAX44206AUA+ is explicitly characterized to drive the MAX11905 family of 20-bit SAR ADCs. Its VOCM input aligns precisely with the MAX11905's input common-mode range, its 180MHz bandwidth exceeds required anti-aliasing filter roll-off, and its low distortion (−141dB HD2) preserves the ADC's effective number of bits (ENOB) - all verified in Maxim's application schematics and evaluation reports.
MAX44206AUA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Amplifier Type:
- Differential
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 180V/µs
- Gain Bandwidth Product:
- 400 MHz
- -3db Bandwidth:
- 180 MHz
- Current - Input Bias:
- 30 nA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 3.7mA
- Current - Output / Channel:
- 60 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 13.2 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX-EP|8-uSOP-EP
MAX44206AUA+ FAQ
1.How can I place an order for MAX44206AUA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX44206AUA+ 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 MAX44206AUA+ reliable?
The price and inventory of MAX44206AUA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX44206AUA+ is usually 5 days.
3.What payment methods are accepted for MAX44206AUA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX44206AUA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX44206AUA+?
MAX44206AUA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX44206AUA+ 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 MAX44206AUA+?
For technical support, including MAX44206AUA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX44206AUA+ requirements.
6.How does Aetrix verify that MAX44206AUA+ is sourced from the original manufacturer or authorized distributors?
All MAX44206AUA+ 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 MAX44206AUA+ meets industry standards.
7.What is the process for return or replacement of MAX44206AUA+?
All MAX44206AUA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX44206AUA+, 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 MAX44206AUA+ part is unused and in its original packaging.
Return procedure for MAX44206AUA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX44206AUA+ Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
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…
