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Analog Devices Inc./Maxim Integrated MAX1067AEEE+T
- Part No.:
- MAX1067AEEE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX1067AEEE+T.pdf
- Description:
- IC ADC 14BIT SAR 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,238
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Product details
Overview
MAX1067AEEE+T from Maxim Integrated is a 14-bit, 200ksps successive-approximation ADC with integrated +4.096V reference, 4-channel analog multiplexer, internal oscillator, and SPI/QSPI/MICROWIRE-compatible serial interface. It operates from a single +5V analog supply and supports digital logic levels from +2.7V to +5.5V. Designed for industrial I/O modules and thermocouple measurement systems requiring high DC accuracy (±0.5 LSB INL) and low power (3.6mA at 200ksps).
For engineers reviewing the MAX1067AEEE+T datasheet, MAX1067AEEE+T pinout, MAX1067AEEE+T application, or MAX1067AEEE+T equivalent, this page delivers verified specifications, temperature-rated package details (-40°C to +85°C), real-world timing behavior (729ns acquisition time), and validated alternative options for control-loop and data-acquisition designs.
Technical Context
The MAX1067AEEE+T implements a SAR architecture with internal track-and-hold (4MHz input bandwidth) and selectable internal/external reference. Its 4-channel mux supports sequential scan mode or continuous single-channel conversion, enabling deterministic sampling in closed-loop motor control.
It features dual power domains (AVDD/DVDD), AutoShutdown™ reducing current to 185µA at 10ksps, and SPI-compatible 3-wire interface with EOC signaling. Unlike the MAX1068, it lacks DSPR/DSPX and DSEL pins-confirming its role as the 4-channel, non-DSP-optimized variant of the family.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 distinct output codes for high-fidelity sensor digitization |
| INL (Max) | ±0.5 LSB - ensures <0.003% full-scale linearity error across -40°C to +85°C range |
| Sampling Rate | 200ksps - supports real-time capture of signals up to 10kHz full-linear bandwidth (SINAD >81dB) |
| Reference | +4.096V internal - eliminates external reference component count and layout area |
| Supply Current | 3.6mA at 200ksps (AVDD = DVDD = +5V) - enables battery-backed or energy-constrained industrial nodes |
| Input Bandwidth | 4MHz - allows accurate sampling of fast transients and supports undersampling of RF-band signals |
| Operating Temp | -40°C to +85°C - qualified for extended industrial environments without derating |
Pinout & Package
MAX1067AEEE+T is housed in a 16-pin QSOP package (5.3mm × 10.2mm, 0.65mm pitch), optimized for space-constrained PCB layouts in industrial control modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DOUT | Serial Data Output | Tri-state output delivering MSB-first conversion result; high-impedance when CS = high |
| SCLK | Serial Clock Input | Drives conversion timing and clocks data out; supports external clock up to 9MHz |
| DIN | Serial Data Input | Accepts command/configuration register writes; rising-edge sampled in SPI mode |
| EOC | End-of-Conversion Output | Active-low pulse signaling completion in internal-clock mode; remains high in external-clock mode |
| AIN0–AIN3 | Analog Input Channels | Four single-ended inputs; internally multiplexed to SAR core with 85dB channel-to-channel isolation |
| REF | Reference Voltage Terminal | Accepts internal +4.096V or external 3.8V–AVDD reference; requires 10µF AGND bypass |
| REFCAP | Reference Bypass Capacitor Node | Connects 0.1µF capacitor to AGND when using internal reference; disables buffer in external mode |
| AGND / DGND | Analog & Digital Grounds | Separate ground pins prevent digital noise coupling into sensitive analog front-end |
| AVDD / DVDD | Analog & Digital Supplies | Independent 4.75V–5.25V AVDD and 2.7V–5.25V DVDD enable mixed-voltage system interfacing |
| CS | Chip Select | Active-low enable; high state forces full shutdown (0.6µA typical) and tri-states DOUT |
Key Features
| Feature | Design Value |
|---|---|
| Integrated +4.096V Reference | Eliminates external reference IC and trimming components; ±25ppm/°C tempco ensures stable scaling over full temperature range |
| AutoShutdown™ Power Management | Reduces current to 185µA at 10ksps and <10µA at lower rates-enables duty-cycled sensing without external control logic |
| 4-Channel Analog Multiplexer | Supports sequential scan mode for multi-sensor polling (e.g., 4 thermocouples) with deterministic inter-channel delay |
| SPI/QSPI/MICROWIRE Interface | 3-wire serial protocol compatible with standard microcontroller peripherals-no glue logic required for µP integration |
| Internal Track/Hold with 4MHz BW | Enables accurate digitization of fast step inputs and permits anti-alias filtering at system level rather than on-chip |
Applications
| Motor Control Feedback | Industrial I/O Module |
|---|---|
Use Scenario: Sampling current shunt voltages and encoder signals in servo drives. IC Role / Device Role / Timing Role: 4-channel ADC digitizing phase currents and position feedback with synchronized scan mode. Use Value: ±0.5 LSB INL ensures <0.003% gain error in torque loop calibration; 200ksps rate supports 10kHz PWM carrier harmonics analysis. |
Use Scenario: Signal conditioning for 4-channel analog input cards in PLC backplanes. IC Role / Device Role / Timing Role: Front-end converter for isolated 4–20mA and 0–10V field signals with shared reference. Use Value: Integrated +4.096V reference guarantees consistent scaling across all 4 channels; -40°C to +85°C rating ensures reliability in cabinet-mounted hardware. |
| Thermocouple Measurement | Accelerometer Data Acquisition |
Use Scenario: Cold-junction compensation and millivolt-level thermocouple voltage digitization. IC Role / Device Role / Timing Role: High-DC-accuracy ADC accepting low-level mV inputs referenced to internal 4.096V. Use Value: 0.35 LSBRMS transition noise and ±0.5 LSB INL enable sub-0.1°C resolution in Type-K measurements with proper cold-junction sensing. |
Use Scenario: Capturing vibration signatures from MEMS accelerometers in predictive maintenance edge nodes. IC Role / Device Role / Timing Role: Low-power, wide-bandwidth digitizer acquiring burst-mode accelerometer outputs. Use Value: 4MHz input bandwidth preserves high-frequency resonance peaks; 3.6mA active current extends battery life in wireless sensor nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multichannel, 14-bit ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8325IPW | 16-bit resolution, no integrated reference, 100ksps max, 20-pin TSSOP | Higher resolution but slower; requires external reference and buffer; better for precision lab instruments | Select when absolute DC accuracy >14-bit is mandatory and speed <100ksps suffices |
| AD7946BCPZ | 14-bit, 500ksps, internal reference disabled, 20-pin LFCSP, SPI-only interface | Faster sampling but no AutoShutdown; higher power (12mA); smaller footprint | Select for high-speed data loggers where power budget allows >3× current draw |
Compared with ADS8325IPW and AD7946BCPZ, the MAX1067AEEE+T uniquely balances 14-bit precision, integrated reference, ultra-low standby current (0.6µA), and industrial temperature support in a compact 16-pin QSOP-making it optimal for cost- and space-sensitive embedded control systems.
Availability
MAX1067AEEE+T is available at Aetrix Electronics and suitable for motor control feedback loops, industrial I/O modules, and thermocouple measurement systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX1067AEEE+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 and mixed-signal ICs for industrial, automotive, and communications markets, emphasizing integration, reliability, and power efficiency.
The MAX1067AEEE+T belongs to Maxim's low-power multichannel ADC product line, engineered specifically for space-constrained industrial control and sensor interface applications demanding high DC accuracy and flexible power management.
FAQ
What is the maximum sampling rate of the MAX1067AEEE+T?
The MAX1067AEEE+T achieves a maximum sampling rate of 200ksps when using an external 4.8MHz SCLK and 24 clock cycles per conversion. At this rate, analog supply current is 3.6mA (AVDD = DVDD = +5V). Lower rates reduce current consumption-e.g., 185µA at 10ksps-via AutoShutdown™.
Does the MAX1067AEEE+T support external reference operation?
Yes, the MAX1067AEEE+T supports external reference voltages from 3.8V to AVDD. When using external reference, the internal +4.096V reference and buffer are disabled, REF pin becomes input-only, and REFCAP must be left unconnected. External reference mode maintains ±0.5 LSB INL performance over -40°C to +85°C.
What is the purpose of the REFCAP pin on the MAX1067AEEE+T?
The REFCAP pin connects a 0.1µF capacitor to AGND exclusively when using the internal +4.096V reference. This capacitor stabilizes the internal reference buffer output. In external reference mode, REFCAP is not used and should remain unconnected-the internal reference and buffer are automatically shut down.
How does the MAX1067AEEE+T handle power-down states?
The MAX1067AEEE+T offers two power-down modes: full shutdown (CS = high, 0.6µA typical) and AutoShutdown™ (CS = low, current scales with sample rate: 185µA at 10ksps, <10µA below 1ksps). Full shutdown disables all circuitry including reference; AutoShutdown retains reference stability between conversions for fast wake-up.
Is the MAX1067AEEE+T pin-compatible with other devices in the MAX1067/MAX1068 family?
The MAX1067AEEE+T shares the same 16-pin QSOP footprint and pinout with all MAX1067 variants (e.g., MAX1067ACEE, MAX1067BEEE), but is not pin-compatible with the 24-pin MAX1068 due to additional DSPR, DSEL, DSPX, and four extra analog inputs. Pin compatibility is limited to MAX1067-grade devices only.
MAX1067AEEE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 200k
- Number of Inputs:
- 4
- Input Type:
- Single Ended
- Data Interface:
- SPI
- Configuration:
- MUX-S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.25V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 16-QSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1067AEEE+T FAQ
1.How can I place an order for MAX1067AEEE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1067AEEE+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 MAX1067AEEE+T reliable?
The price and inventory of MAX1067AEEE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1067AEEE+T is usually 5 days.
3.What payment methods are accepted for MAX1067AEEE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1067AEEE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1067AEEE+T?
MAX1067AEEE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1067AEEE+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 MAX1067AEEE+T?
For technical support, including MAX1067AEEE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1067AEEE+T requirements.
6.How does Aetrix verify that MAX1067AEEE+T is sourced from the original manufacturer or authorized distributors?
All MAX1067AEEE+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 MAX1067AEEE+T meets industry standards.
7.What is the process for return or replacement of MAX1067AEEE+T?
All MAX1067AEEE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX1067AEEE+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 MAX1067AEEE+T part is unused and in its original packaging.
Return procedure for MAX1067AEEE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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