MAX11054ECB+T - 4-Ch 14-Bit Simultaneous-Sampling ADC | Maxim Integrated
MPN: MAX11054ECB+T ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.4 | $164.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $11.95 | $5,975.00 |
| 1,000 | $10.45 | $10,450.00 |
MAX11054ECB+T Overview
An SAR ADC (Successive-Approximation Register Analog-to-Digital Converter) is a class of data converter that uses a binary-search algorithm against an internal precision DAC to resolve each conversion in a fixed number of clock cycles. SAR converters are valued for deterministic latency, no-pipeline-delay sampling, and excellent DC accuracy, making them the preferred architecture for multi-channel data-acquisition front-ends, motor-control feedback loops, and three-phase power monitoring. The MAX11054 sits inside the broader data-converter / signal-chain hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor.
Key features include true simultaneous sampling on four channels from a single CONVST pulse, a 200 ksps per-channel throughput, ±5V bipolar input range (software configurable for ±5V, ±10V, 0-5V, 0-10V), an internal 4.096V precision reference, and a high-speed parallel interface compatible with 3V/5V DSP and microcontroller buses. The 64-TQFP-EP package exposes a thermal pad for low-impedance ground return, critical for the part's specified -40C to +85C industrial operating range and for managing digital-edge current spikes during back-to-back sample intervals.
Typical applications include three-phase power-line monitoring, motor control, vibration and acoustic analysis, instrumentation, and multi-axis sensor signal acquisition. Designers select the MAX11054 when channel-to-channel phase coherence matters more than raw single-channel speed; for single-channel applications requiring more than 1 Msps, a pipelined ADC would be more appropriate. Place a 10uF plus 0.1uF decoupling pair adjacent to AVDD and AVSS pins, and route the analog inputs with symmetrical guard traces to preserve channel-to-channel matching. This page consolidates distributor pricing, drop-in alternatives, and practical layout guidance that complement the manufacturer datasheet.
Drop-in alternatives for MAX11054ECB+T — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MAX11054ECB+T (same form factor and footprint) — differing in Data Interface, Number of Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MAX11054ECB+
✅ Drop-In📋 Reference alternative (not in catalog)
MAX11056ECB+
✅ Drop-In📋 Reference alternative (not in catalog)
MAX11057ECB+
✅ Drop-In📋 Reference alternative (not in catalog)
MAX11058ECB+
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MAX11059ECB+
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MAX11054ECB+T Maximum Ratings & Electrical Characteristics
| Resolution | 14 bit |
| Number of Channels | 4 (simultaneous sampling) |
| ADC Architecture | SAR (Successive Approximation Register) |
| Sampling Rate (per channel) | 200 ksps |
| Number of Inputs | 4 |
| Data Interface | Parallel (3V/5V logic compatible) |
| Package / Mounting Type | 64-TQFP-EP (10x10 mm) / Surface Mount |
| Pin Count | 64 |
| Terminal Form | GULL WING |
| Package Code | HTFQFP |
| Temperature Grade | INDUSTRIAL |
| Operating Temperature Range | -40C to +85C |
| RoHS Status | Compliant |
| Lead-Free | Yes |
MAX11054ECB+T htfqfp Pin Configuration Guide
Pin configuration for MAX11054ECB+T (htfqfp package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for MAX11054ECB+T.
Refer to the datasheet for full pin configuration.
Typical Applications
MAX11054ECB+T is suitable for 6 applications: Three-Phase Power Line Monitoring, Motor Control Feedback Loops, Vibration and Acoustic Analysis, Multi-Axis Sensor Signal Acquisition, Industrial Process Control Instrumentation, Medical Patient Monitoring.
Three-Phase Power Line Monitoring
The MAX11054ECB+T's 4-channel simultaneous sampling makes it ideal for three-phase power-line monitoring, where each of the three phase voltages plus a neutral return must be digitized within the same aperture to compute true instantaneous three-phase real power (P = sum(V_i * I_i)) and reactive power (Q). With 200 ksps per channel and 14-bit resolution, the part can resolve harmonic content up to the 63rd harmonic of a 50/60 Hz fundamental with per-sample phase coherence across all four channels. The ±10V bipolar input range directly accepts attenuated current-transformer and voltage-divider outputs without external signal conditioning. Designers place a 10uF plus 0.1uF decoupling pair adjacent to each AVDD/AVSS pair and use guard rings around the analog input traces to maintain 80 dB channel-to-channel isolation for accurate harmonic analysis.
Recommended
Motor Control Feedback Loops
Brushless DC and AC induction motor drives require simultaneous sampling of three phase currents to compute the Park and Clarke transforms used in field-oriented control (FOC). The MAX11054ECB+T delivers all three phase currents plus a DC-bus voltage within the same CONVST aperture, eliminating the inter-channel phase skew that would otherwise inject ripple into the torque-producing current vector. At 14 bits the part provides roughly 84 dB of dynamic range, sufficient for 1000:1 current-loop control bandwidth typical of mid-power servo drives. The 64-TQFP-EP package's exposed pad must be soldered to a low-impedance ground plane to absorb the high di/dt switching noise coupling back from the IGBT/MOSFET bridge; digital-isolation barriers should be placed between the power stage and the ADC analog front-end.
Recommended
Vibration and Acoustic Analysis
Structural-health-monitoring and acoustic-beamforming applications need four or more microphone/accelerometer channels sampled within microseconds of each other to compute cross-channel correlation, beam weights, and modal shapes. The MAX11054ECB+T provides 200 ksps simultaneous sampling on four channels, sufficient to capture acoustic spectra up to 100 kHz with anti-alias filtering and to maintain phase coherence across a 4-microphone array. The parallel interface streams samples directly into an FPGA or DSP at the full 800 ksps aggregate rate (200 ksps x 4 channels) without bus-bandwidth bottlenecking. For arrays requiring more than four microphones, multiple MAX11054 devices can be synchronized through a shared CONVST clock to scale to 8, 12, or 16 channels while preserving inter-board phase coherence.
Recommended
Multi-Axis Sensor Signal Acquisition
Inertial measurement units (IMUs) and 6-axis sensor packages produce simultaneous analog outputs (typically X/Y/Z accelerometers plus X/Y/Z gyroscopes = 6 channels) that must be sampled with phase coherence to compute the rotation matrix and quaternion updates. The MAX11054ECB+T provides four of those six channels from a single 64-TQFP-EP footprint, ideal for 4-axis sensor clusters (3-axis accelerometer + 1-axis angular rate, or 4 force cells in a load cell). The 14-bit resolution and ±10V input range accommodate amplified strain-gauge bridges and MEMS sensor outputs directly. For 6-axis IMU designs, the pin-compatible MAX11056ECB+ or MAX11057ECB+ (6-channel 14-bit) drops into the same PCB layout to capture all six DOF simultaneously.
Recommended
Industrial Process Control Instrumentation
Process-control transmitters and PLC analog-input modules digitize multiple 4-20 mA or 0-10V sensor signals at high resolution while maintaining channel-to-channel isolation. The MAX11054ECB+T's 14-bit resolution and 200 ksps per-channel throughput allow oversampling of slow process signals (temperature, pressure, flow) to achieve effective resolution beyond 16 bits through averaging. The ±10V bipolar input range accepts standard industrial signal levels directly without external level shifters. The -40C to +85C industrial temperature grade and the small 64-TQFP-EP footprint make it suitable for DIN-rail-mounted transmitter heads and compact PLC analog cards where board space is constrained.
Recommended
Medical Patient Monitoring
Multi-parameter patient monitors simultaneously acquire ECG (3-5 leads), respiration, SpO2, and temperature signals at moderate sampling rates with strict phase coherence between ECG leads for accurate ST-segment and arrhythmia analysis. The MAX11054ECB+T provides four channels of simultaneous sampling suitable for 4-lead ECG front-ends, with 14-bit resolution sufficient for diagnostic-bandwidth ECG (0.05-150 Hz). The low-noise SAR architecture and high common-mode rejection ensure clean recovery of small bioelectric signals (~1 mV) superimposed on large DC electrode-offset voltages. For 12-lead clinical ECG systems, multiple MAX11054 devices synchronize through cascaded CONVST signals to provide 12-lead simultaneous acquisition.
Recommended
Recommended Products Summary
Engineering reference data for MAX11054ECB+T — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MAX11054ECB+ | MAX11056ECB+ | MAX11057ECB+ | MAX11058ECB+ | MAX11059ECB+ |
|---|---|---|---|---|---|---|
| Package | 64-TQFP-EP (10x10 mm) | 64-TQFP-EP (10x10 mm) - same | 64-TQFP-EP (10x10 mm) - same | 64-TQFP-EP (10x10 mm) - same | 64-TQFP-EP (10x10 mm) - same | 64-TQFP-EP (10x10 mm) - same |
| Brand | Maxim Integrated (Analog Devices) | Maxim Integrated - same | Maxim Integrated - same | Maxim Integrated - same | Maxim Integrated - same | Maxim Integrated - same |
| Number of Channels | 4 (simultaneous) | 4 | 6 | 6 | 8 | 8 |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit | 16 bit |
| Architecture | SAR (Simultaneous Sampling) | SAR | SAR | SAR | SAR | SAR |
| Operating Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- True simultaneous sampling on all 4 channels from a single CONVST trigger (vs Sequential SAR ADCs like MAX1302)
- Pin-compatible family scaling from 4 to 8 channels in same 64-TQFP-EP package (vs Fixed-channel ADCs requiring different packages)
- 14-bit resolution with internal precision reference and parallel interface (vs Lower-resolution 12-bit multi-channel ADCs)
Design Notes
Place a 10uF tantalum or ceramic capacitor in parallel with a 0.1uF ceramic capacitor as close as possible to each AVDD/AVSS power pin pair. Keep analog input traces away from digital outputs (DOUT lines, CONVST) by at least 3 trace widths or use a guard ground trace tied to the analog ground plane. The exposed thermal pad must be soldered to a continuous low-impedance ground plane using an array of thermal vias (typically 9-16 vias in a 3x3 or 4x4 pattern) to provide both thermal dissipation and a clean digital return path.
Route the four analog input traces with matched length and matched impedance (typically 50 ohms single-ended or 100 ohms differential) to preserve channel-to-channel phase matching at high sampling rates. Use a separate analog ground plane partitioned from the digital ground plane, joined only at a single point near the ADC's exposed pad. Place the external reference bypass capacitor (typically 10uF) within 5 mm of the REF pin; long REF traces pick up digital noise that degrades ADC SNR. Avoid running digital signals (parallel data bus) under the analog input traces - cross perpendicular if necessary.
Source impedance on each analog input should be kept below 1 kohm to avoid interaction with the ADC's switched-capacitor input sampling network; higher source impedance degrades THD and settling time. If your sensor or front-end has higher source impedance, add an input buffer op-amp (such as the MAX4252 or similar low-noise FET-input op-amp) within 10 mm of the ADC input pins. The CONVST clock should have <1 ns rise time and <200 ps peak-to-peak jitter to avoid aperture jitter that limits SNR at high input frequencies (above 50 kHz). For multi-board synchronization, distribute CONVST with a matched-length clock tree to maintain inter-board phase coherence.
Common pitfalls when designing with the MAX11054ECB+T include: (1) forgetting to set the input-range configuration register after power-up, resulting in default unipolar mode and clipped negative signals; (2) reading the conversion results before the EOC (end-of-conversion) signal goes high, returning values from the previous conversion; (3) leaving the exposed pad un-soldered, causing thermal shutdown at moderate ambient; (5) applying signals outside the configured ±10V range without external protection, damaging the input ESD cells. Always initialize the configuration register on power-up and verify EOC timing in your firmware state machine.
Compliance Information
RoHS compliant and lead-free per Maxim Integrated / Analog Devices product page. Industrial temperature grade -40C to +85C. Halogen-free status not explicitly stated in retrieved data; marked as unknown. Not AEC-Q100 qualified (industrial grade, not automotive).
