My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX11056ECB+T
- Part No.:
- MAX11056ECB+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-TQFP Exposed Pad
- Datasheet:
-
MAX11056ECB+T.pdf
- Description:
- IC ADC 14BIT SAR 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,620
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX11056ECB+T from Maxim Integrated is a high-precision 8-channel, 14-bit simultaneous-sampling analog-to-digital converter (ADC) with ±5V input range, 250ksps per channel throughput, and internal 4.096V reference. It features independent track-and-hold per channel, 100ps channel-to-channel T/H matching, and operates over –40°C to +85°C for power-grid protection and multiphase motor control systems.
For engineers reviewing the MAX11056ECB+T datasheet, MAX11056ECB+T pinout, MAX11056ECB+T application, or MAX11056ECB+T equivalent, this page delivers verified specifications, package mapping, functional pin definitions, real-world use cases, and validated alternative options - all grounded in Maxim's official documentation for design-in confidence.
Technical Context
The MAX11056ECB+T implements SAR architecture with dedicated track-and-hold circuitry per input channel, enabling true simultaneous sampling across all eight analog inputs. Its 20MHz bidirectional parallel interface supports direct connection to FPGA or microcontroller data buses without level shifting, leveraging flexible digital supply (2.7V–5.25V).
It accepts ±5V differential input via high-impedance (1GΩ) inputs protected by ±20mA internal clamps, and supports either internal 4.096V reference or external 3.0V–4.25V reference for configurable full-scale ranges (±4.0V to ±5.2V). Aperture delay is 10ns with 50psRMS jitter.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 distinct output codes for precision measurement in industrial sensing. |
| Sampling Rate | 250ksps per channel - enables real-time waveform capture of 50/60Hz power harmonics with >5× oversampling. |
| Input Range | ±5V - matches standard industrial sensor outputs and eliminates need for external signal conditioning. |
| INL | ±0.8 LSB max - ensures <0.012% full-scale linearity error across temperature for accurate calibration. |
| SNR | 84.5dB typical - provides >13.7 effective number of bits (ENOB) at 10kHz input frequency. |
| Channel Matching | ±0.01% FSR gain error matching - critical for phase-coherent measurements in multiphase systems. |
| Supply Voltage | Analog: 4.75V–5.25V; Digital: 2.7V–5.25V - allows direct interfacing with 3.3V logic without level shifters. |
Pinout & Package
MAX11056ECB+T is housed in a 64-pin TQFP-EP (10mm × 10mm) package with exposed pad connected internally to AGND. Pin functions are defined per Maxim's datasheet Rev 6 (2013), with DB0–DB12 as 14-bit data outputs (DB13–DB15 unused), CH0–CH7 as analog inputs, and RD/WR/CS/CONVST supporting asynchronous parallel read/write control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0–CH7 | Analog Input Channels | Eight independent ±5V-capable inputs with 15pF input capacitance and ±20mA clamp protection. |
| DB0/CR0–DB12/CR3 | Data Bus / Config Register | 14-bit parallel output bus (DB0–DB12); lower 4 bits double as configuration register inputs during write cycles. |
| CONVST | Convert Start Input | Rising edge initiates simultaneous sampling and conversion; low state enables acquisition mode. |
| EOC | End-of-Conversion Flag | Active-low open-drain output signals completion of conversion (3µs typical latency). |
| RD, WR, CS | Parallel Interface Controls | Asynchronous 3-wire bus protocol: RD advances channel data, WR loads config, CS enables device. |
| REFIO | Reference I/O | Internal 4.096V reference output or external 3.0V–4.25V reference input; requires 0.1µF bypass to AGND. |
| RDC_SENSE | Reference Decoupling Sense | Feedback node for reference buffer stability; must connect to RDC plane per layout guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous Sampling | 8 independent track-and-hold circuits enable phase-aligned acquisition across all channels - essential for vector measurements in power systems. |
| 100ps Channel Matching | Guarantees sub-degree phase alignment between channels at 50Hz, enabling accurate power factor calculation without software correction. |
| High-Z Inputs (1GΩ) | Minimizes loading on high-impedance sensors (e.g., piezoelectric transducers) without external buffers. |
| Flexible Reference Options | Internal 4.096V reference (±5ppm/°C) or external 3.0V–4.25V input allows scaling full-scale range from ±4.0V to ±5.2V for optimal SNR. |
| Overrange Protection | ±20mA internal input clamps protect against transient overvoltage when used with simple series resistors - reduces BOM count and board space. |
Applications
| Power-Grid Protection | Multiphase Motor Control |
|---|---|
|
Use Scenario: Real-time monitoring of voltage/current waveforms across three-phase distribution lines to detect faults, harmonics, and insulation breakdown. IC Role / Device Role / Timing Role: Simultaneous sampling ADC capturing synchronized voltage and current samples per phase for RMS, THD, and sequence component analysis. Use Value: 100ps channel matching ensures <0.01° phase error at 50Hz, enabling reliable fault direction detection and selective tripping. |
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM/induction motors using back-EMF and current feedback. IC Role / Device Role / Timing Role: Simultaneous acquisition of three motor phase currents and DC bus voltage for torque and flux estimation. Use Value: 250ksps per channel supports >10kHz control loop bandwidth while maintaining 14-bit resolution for precise current regulation. |
| Vibration Analysis | Automatic Test Equipment |
|
Use Scenario: High-fidelity capture of multi-axis accelerometer outputs in predictive maintenance systems for rotating machinery. IC Role / Device Role / Timing Role: Simultaneous sampling of 4–8 vibration sensor channels to preserve phase relationships for FFT-based spectral analysis. Use Value: 84.5dB SNR and 14-bit resolution resolve sub-millig acceleration levels; ±5V input accommodates high-output MEMS sensors directly. |
Use Scenario: Modular instrumentation platform performing parametric testing of analog ICs, power supplies, and sensors under varying load conditions. IC Role / Device Role / Timing Role: High-speed digitization of DUT outputs across multiple test points with deterministic timing for repeatability. Use Value: Parallel 20MHz interface enables burst-mode data capture into FPGA memory without CPU bottleneck, improving test throughput. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar simultaneous-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX11046ECB+ | 16-bit resolution, same 8-channel simultaneous-sampling architecture, identical 64-pin TQFP package and pinout. | Higher resolution required for metrology-grade energy meters or precision calibration equipment where <0.001% linearity is mandated. | Select MAX11046ECB+ when ENOB >14.5 bits is required; shares footprint and firmware interface but consumes ~20% more analog supply current. |
| AD7606BSTZ | 8-channel, 16-bit, ±10V input range; uses SPI interface instead of parallel; no internal reference; requires external REF. | Suitable for systems prioritizing board area (64-lead LQFP vs. TQFP) and SPI host integration, but lacks integrated ±5V clamping and internal reference simplicity. | Choose AD7606BSTZ for SPI-based controllers or designs needing ±10V input range; verify layout compatibility for REF decoupling and digital noise isolation. |
Compared with MAX11046ECB+, the MAX11056ECB+ trades 2-bit resolution for lower power (30mA vs. 48mA AVDD) and simplified reference design; versus AD7606BSTZ, it offers plug-and-play ±5V operation and faster parallel data transfer but requires larger PCB real estate.
Availability
MAX11056ECB+T is available at Aetrix Electronics and suitable for power-grid protection, multiphase motor control, and vibration analysis requiring stable component supply across extended industrial temperature ranges and long production lifecycles.
Supply support for MAX11056ECB+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 high-performance analog and mixed-signal ICs for industrial, automotive, and communications applications, emphasizing precision, integration, and reliability.
The MAX110xx family targets high-channel-count, high-coherence data acquisition in electric utility and factory automation - delivering simultaneous sampling, robust input protection, and flexible interfacing without sacrificing resolution or speed.
FAQ
What is the maximum sampling rate per channel for the MAX11056ECB+T?
The MAX11056ECB+T achieves 250ksps per channel with true simultaneous sampling across all eight inputs. This rate is guaranteed over the full –40°C to +85°C operating range and with internal reference enabled, supporting real-time analysis of 50/60Hz power systems and motor control waveforms without undersampling artifacts.
Does the MAX11056ECB+T include an internal voltage reference?
Yes, the MAX11056ECB+T integrates a precision 4.096V internal reference with ±5ppm/°C temperature coefficient, accessible at the REFIO pin. It can also accept an external 3.0V–4.25V reference for custom full-scale ranges - eliminating the need for external reference ICs in most industrial applications.
What package type and pin count does the MAX11056ECB+T use?
The MAX11056ECB+T is supplied in a 64-pin TQFP-EP (thin quad flat pack with exposed pad) package measuring 10mm × 10mm. The exposed pad is internally connected to AGND and must be soldered to a large PCB ground plane for thermal and electrical performance.
How does the MAX11056ECB+T handle overvoltage on its analog inputs?
The MAX11056ECB+T includes internal ±20mA input clamps on each CH0–CH7 pin. When used with a simple external series resistor (e.g., 250Ω), these clamps limit input voltage to ±5V ±1V overrange, protecting the ADC core from transients up to ±7.5V without external TVS diodes or op-amp buffers.
Is the MAX11056ECB+T pin-compatible with other devices in the MAX110xx family?
The MAX11056ECB+T shares the same 64-pin TQFP-EP footprint and pinout with MAX11046ECB+ and MAX11046BECB+, differing only in resolution (14-bit vs. 16-bit) and internal specifications. This allows hardware reuse across performance tiers, though firmware must accommodate the reduced data width (DB0–DB12 active).
MAX11056ECB+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 64-TQFP Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 250k
- Number of Inputs:
- 8
- Input Type:
- Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 8
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.25V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-TQFP-EP (10x10)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX11056ECB+T FAQ
1.How can I place an order for MAX11056ECB+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX11056ECB+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 MAX11056ECB+T reliable?
The price and inventory of MAX11056ECB+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX11056ECB+T is usually 5 days.
3.What payment methods are accepted for MAX11056ECB+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX11056ECB+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX11056ECB+T?
MAX11056ECB+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX11056ECB+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 MAX11056ECB+T?
For technical support, including MAX11056ECB+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX11056ECB+T requirements.
6.How does Aetrix verify that MAX11056ECB+T is sourced from the original manufacturer or authorized distributors?
All MAX11056ECB+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 MAX11056ECB+T meets industry standards.
7.What is the process for return or replacement of MAX11056ECB+T?
All MAX11056ECB+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX11056ECB+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 MAX11056ECB+T part is unused and in its original packaging.
Return procedure for MAX11056ECB+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX11056ECB+T Tags
-
ADC081C021CIMKX/NOPB
Texas Instruments
-
MCP3021A5T-E/OT
Microchip Technology
-
TLA2024IRUGR
Texas Instruments
-
MCP3221A5T-E/OT
Microchip Technology
-
MCP3221A5T-I/OT
Microchip Technology
-
MCP3221A4T-E/OT
Microchip Technology
-
MCP3221A6T-E/OT
Microchip Technology
-
MCP3221A0T-E/OT
Microchip Technology
-
MCP3221A1T-E/OT
Microchip Technology
-
ADC121S021CIMFX/NOPB
Texas Instruments
-
MCP3001-I/MS
Microchip Technology
-
MCP3001-I/SN
Microchip Technology
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…
