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Analog Devices Inc./Maxim Integrated MAX1167BEEE+T
- Part No.:
- MAX1167BEEE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX1167BEEE+T.pdf
- Description:
- IC ADC 16BIT SAR 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,143
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Product details
Overview
The MAX1167BEEE+T from Maxim Integrated is a 4-channel, 16-bit successive-approximation analog-to-digital converter (ADC) with integrated +4.096V reference, 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, consuming only 3.6mA at 200ksps with external reference and dropping to 185µA at 10ksps via AutoShutdown™. It is designed for precision data-acquisition systems in industrial I/O modules and thermocouple measurement circuits.
For engineers reviewing the MAX1167BEEE+T datasheet, MAX1167BEEE+T pinout, MAX1167BEEE+T application, or MAX1167BEEE+T equivalent, this page delivers verified electrical specifications, temperature-rated package details (-40°C to +85°C), functional pin roles, real-world use cases, and two confirmed alternative parts with documented technical and application differences.
Technical Context
The MAX1167BEEE+T implements a 16-bit SAR architecture with internal track-and-hold (4MHz input bandwidth), selectable internal/external reference, and dual-clock operation (internal 3.2–4.0MHz or external up to 9MHz). Its 4-channel analog multiplexer supports sequential or continuous scan mode, enabling flexible channel sequencing without host intervention.
It features a 3-wire SPI-compatible interface with CS-controlled power-down, EOC signaling in internal-clock mode, and DOUT timing synchronized to SCLK falling edge. The device guarantees ±3 LSB INL and no missing codes across its extended temperature range, with full-scale input range of 0 to VREF and support for both unipolar acquisition and DSP-initiated conversion (though DSPR/DSPX are exclusive to MAX1168).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees monotonic transfer function and no missing codes over full temperature range. |
| Sampling Rate | 200ksps maximum - enables real-time capture of signals up to 10kHz full-linear bandwidth (SINAD > 85dB). |
| INL | ±3 LSB - limits end-point calibration error to < ±0.045% of full scale, critical for high-accuracy sensor interfacing. |
| Reference | +4.096V internal (±25ppm/°C TC) or external 3.8V–AVDD - eliminates need for external precision reference in space-constrained designs. |
| Supply Current | 3.6mA at 200ksps (AVDD = DVDD = +5V), 185µA at 10ksps - enables battery-powered or low-power industrial monitoring. |
| Input Channels | 4-channel single-ended mux - supports simultaneous monitoring of multiple sensors (e.g., 4 thermocouples) with automatic sequencing. |
| Operating Temp | -40°C to +85°C - qualified for extended industrial environments including motor control cabinets and factory-floor I/O modules. |
Pinout & Package
MAX1167BEEE+T is housed in a 16-pin QSOP package (5.3mm × 10.2mm, 0.65mm pitch), optimized for high-density PCB layouts in industrial instrumentation.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| DOUT (Pin 1) | Serial Data Output | MSB-first unipolar output; high-impedance when CS = high; valid on SCLK falling edge in SPI mode. |
| SCLK (Pin 2) | Serial Clock Input | Drives conversion timing and clocks data; supports up to 9MHz external clock for 200ksps operation. |
| DIN (Pin 3) | Serial Data Input | Accepts command/control register writes (e.g., channel selection, power mode); sampled on SCLK rising edge. |
| EOC (Pin 4) | End-of-Conversion Output | Active-low pulse in internal-clock mode signals result availability at DOUT; remains high in external-clock mode. |
| AIN0–AIN3 (Pins 5–8) | Analog Input Channels | Single-ended inputs; each supports 0 to VREF range; internally multiplexed with 729ns acquisition time minimum. |
| REF (Pin 9) | Reference Voltage Terminal | Accepts external reference (3.8V–AVDD) or outputs internal +4.096V; requires 10µF bypass to AGND. |
| REFCAP (Pin 10) | Reference Bypass Capacitor | Connects 0.1µF capacitor to AGND when internal reference is active; disables internal buffer in external reference mode. |
| AGND (Pins 11, 12) | Analog Ground | Star-ground connection point for AVDD return; must be isolated from DGND except at single system ground point. |
| AVDD (Pin 13) | Analog Supply | +4.75V to +5.25V supply; bypassed with 0.1µF capacitor to AGND; powers ADC core and reference circuitry. |
| CS (Pin 14) | Chip Select | Active-low enable; high state forces full shutdown (0.6µA typical); falling edge initiates conversion sequence. |
| DGND (Pin 15) | Digital Ground | Return path for DVDD; must be connected to system digital ground plane, separate from AGND routing. |
| DVDD (Pin 16) | Digital Supply | +2.7V to +5.25V logic supply; powers interface circuitry; allows direct connection to 3.3V or 5V microcontrollers. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated +4.096V reference | Eliminates external reference IC and associated layout area; ±25ppm/°C drift ensures stable full-scale over -40°C to +85°C. |
| AutoShutdown™ power management | Reduces current from 3.6mA to 185µA at 10ksps and <10µA at lower rates-enables energy-efficient polling in remote sensors. |
| 4MHz analog input bandwidth | Supports accurate digitization of fast transients (e.g., motor phase currents) and enables undersampling of higher-frequency signals. |
| Scan mode with sequential conversion | Automatically cycles through all 4 channels without host CPU intervention-reduces firmware overhead in multi-sensor DAQ systems. |
| SPI/QSPI/MICROWIRE compatibility | Interoperates with standard microcontroller peripherals (e.g., STM32 SPI, TI C2000 ePWM sync) without protocol translation logic. |
Applications
| Motor Control | Industrial I/O Modules |
|---|---|
Use Scenario: Real-time sampling of current-sense amplifier outputs and position encoder feedback in servo drives. IC Role / Device Role / Timing Role: 4-channel ADC acquires analog motor phase currents and hall sensor voltages with synchronized scan mode. Use Value: 16-bit resolution and ±3 LSB INL ensure precise torque estimation and field-oriented control accuracy within ±0.1% full scale. |
Use Scenario: Modular PLC analog input cards acquiring voltage/current signals from pressure, flow, and temperature transmitters. IC Role / Device Role / Timing Role: Front-end ADC with integrated reference provides calibrated 4–20mA loop interface without external precision components. Use Value: Internal +4.096V reference and -40°C to +85°C rating eliminate calibration drift and field recalibration in harsh factory environments. |
| Thermocouple Measurements | Data-Acquisition Systems |
Use Scenario: Cold-junction compensation and millivolt-level thermocouple signal digitization in furnace controllers. IC Role / Device Role / Timing Role: High-impedance analog input accepts thermocouple outputs directly; internal reference sets precise 0–4.096V full scale. Use Value: 729ns acquisition time and 4MHz input bandwidth allow stable sampling even with long thermocouple leads and EMI filtering. |
Use Scenario: Portable handheld test equipment capturing multi-channel analog waveforms for vibration analysis and predictive maintenance. IC Role / Device Role / Timing Role: Low-power 16-bit ADC enables battery-operated operation while maintaining DC accuracy for static sensor readings. Use Value: 3.6mA at 200ksps and AutoShutdown™ extend runtime to >8 hours on a single Li-ion cell in intermittent-sampling mode. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit multichannel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8684IPWR | 4-channel, 16-bit SAR ADC with integrated programmable gain amplifier (PGA), ±10.24V input range, SPI interface, but no internal reference. | Requires external precision reference and voltage scaling for thermocouple inputs; better suited for high-voltage industrial sensors than low-mV sources. | Select when input signal amplitude varies widely (±10.24V) and PGA-based dynamic range optimization is needed. |
| AD7682BCPZ-RL7 | 4-channel, 16-bit SAR ADC with internal reference (4.096V), SPI interface, but only 250ksps max and no AutoShutdown™-minimum current 1.2mA at 10ksps. | Lacks adaptive power scaling; less suitable for battery-powered or thermally constrained applications requiring sub-200µA standby. | Select when highest possible SNR (91.5dB) and THD (-110dB) are prioritized over ultra-low standby current. |
Compared with ADS8684IPWR and AD7682BCPZ-RL7, the MAX1167BEEE+T uniquely combines integrated reference, AutoShutdown™ down to 185µA, and guaranteed ±3 LSB INL in a 16-pin QSOP-making it optimal for space- and power-constrained industrial DAQ where reference stability and low-quiescent operation are critical.
Availability
MAX1167BEEE+T is available at Aetrix Electronics and suitable for industrial process control, motor control systems, and thermocouple measurement applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX1167BEEE+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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The MAX1167BEEE+T belongs to Maxim's precision data-acquisition product line, engineered for low-power, high-accuracy sensor interfacing in space-constrained industrial instrumentation where integrated reference and adaptive power management reduce system complexity.
FAQ
What is the operating temperature range specified for the MAX1167BEEE+T?
The MAX1167BEEE+T is rated for operation from -40°C to +85°C, meeting extended industrial temperature requirements. This specification is explicitly defined in the Ordering Information table and confirmed across all electrical characteristics (INL, SNR, supply current) in the datasheet's "ELECTRICAL CHARACTERISTICS" section under TA = TMIN to TMAX conditions.
Does the MAX1167BEEE+T include an internal voltage reference, and what is its accuracy?
Yes, the MAX1167BEEE+T integrates a +4.096V internal reference with initial accuracy of ±42mV (±1.0% of 4.096V) and temperature coefficient of ±25ppm/°C. The reference voltage is specified as 4.042V to 4.136V (min/max) at TA = -40°C to +85°C, and wake-up time after power-down is 5ms.
How many analog input channels does the MAX1167BEEE+T support, and what is the multiplexer configuration?
The MAX1167BEEE+T supports four single-ended analog input channels (AIN0–AIN3) via an internal analog multiplexer. It does not support differential inputs or additional channels-this is a fixed 4-channel configuration distinct from the 8-channel MAX1168. Scan mode allows automatic sequential conversion of all four channels.
What serial interface protocols is the MAX1167BEEE+T compatible with, and does it support DSP frame-sync?
The MAX1167BEEE+T supports SPI, QSPI, and MICROWIRE-compatible 3-wire serial interfaces using CS, SCLK, DIN, and DOUT. It does not support DSP frame-sync functionality-DSPR, DSPX, and DSEL pins are exclusive to the MAX1168 and absent in the MAX1167BEEE+T pinout and functional diagram.
What is the minimum acquisition time (tACQ) for the MAX1167BEEE+T, and how is it affected by source impedance?
The guaranteed minimum acquisition time for the MAX1167BEEE+T is 729ns under specified conditions (AVDD = DVDD = +5V, TA = -40°C to +85°C). For source impedances below 200Ω, tACQ remains stable; above 200Ω, acquisition time increases per the formula tACQ = 11(RS + 340Ω + 60Ω) × 45pF + 0.3µs, requiring longer inter-conversion delays to maintain accuracy.
MAX1167BEEE+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:
- Active
- Number of Bits:
- 16
- 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:
- -
MAX1167BEEE+T FAQ
1.How can I place an order for MAX1167BEEE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1167BEEE+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 MAX1167BEEE+T reliable?
The price and inventory of MAX1167BEEE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1167BEEE+T is usually 5 days.
3.What payment methods are accepted for MAX1167BEEE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1167BEEE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1167BEEE+T?
MAX1167BEEE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1167BEEE+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 MAX1167BEEE+T?
For technical support, including MAX1167BEEE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1167BEEE+T requirements.
6.How does Aetrix verify that MAX1167BEEE+T is sourced from the original manufacturer or authorized distributors?
All MAX1167BEEE+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 MAX1167BEEE+T meets industry standards.
7.What is the process for return or replacement of MAX1167BEEE+T?
All MAX1167BEEE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX1167BEEE+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 MAX1167BEEE+T part is unused and in its original packaging.
Return procedure for MAX1167BEEE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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