My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX1067BCEE+
- Part No.:
- MAX1067BCEE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX1067BCEE+.pdf
- Description:
- IC ADC 14BIT SAR 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,584
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
The MAX1067BCEE+ from Maxim Integrated is a 14-bit, 4-channel, 200ksps 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. Its ±1 LSB INL, 81 dB SINAD at 1 kHz, and 4 MHz input bandwidth make it suitable for precision industrial data acquisition in motor control and thermocouple measurement systems.
For engineers reviewing the MAX1067BCEE+ datasheet, MAX1067BCEE+ pinout, MAX1067BCEE+ application, or MAX1067BCEE+ equivalent, this page delivers verified technical context, real-world design implications of key specs, package-validated pin functions, and two confirmed alternative parts - all grounded in the official MAX1067/MAX1068 datasheet Rev 1 (8/2007).
Technical Context
The MAX1067BCEE+ implements a successive-approximation register (SAR) ADC architecture with internal track-and-hold, supporting both external and internal reference modes. Its 4-channel analog multiplexer enables sequential or continuous conversion of selected inputs, with scan mode configurable via command register.
It features dual clocking options: an internal 4.0 MHz oscillator or external SCLK up to 9 MHz. The SPI-compatible 3-wire interface (CS, SCLK, DIN/DOUT) operates in unipolar MSB-first format, with EOC signaling conversion completion in internal-clock mode. AutoShutdown™ reduces current to 185 µA at 10 ksps and <10 µA in full power-down.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 distinct output codes for high-fidelity signal digitization. |
| INL (Max) | ±1 LSB - ensures monotonicity and ≤0.006% full-scale linearity error across temperature. |
| Sample Rate | 200 ksps - supports real-time capture of signals up to 100 kHz Nyquist bandwidth. |
| SINAD | 81 dB (typ at 1 kHz) - enables >13.2 effective bits for low-noise sensor interfacing. |
| Input Bandwidth | 4 MHz - allows accurate sampling of fast transients and undersampling of RF-band signals. |
| Supply Current | 3.6 mA at 200 ksps (AVDD = DVDD = +5V) - balances speed and ultra-low power for battery-aware designs. |
| Reference | +4.096 V internal (±25 ppm/°C TC) - provides stable, calibrated full-scale range without external components. |
Pinout & Package
MAX1067BCEE+ is housed in a 16-pin QSOP (Quad Small Outline Package) with 0.154" body width and standard 0.025" lead pitch. Pin 1 is marked by a dot or bevel; pins are numbered counterclockwise from the marking.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DOUT | Serial data output - tri-state, MSB-first, active-low CS enables output; timing referenced to SCLK falling edge (SPI mode). |
| 2 | SCLK | Serial clock input - drives conversion timing and data transfer; accepts up to 9 MHz external clock or uses internal 4 MHz oscillator. |
| 3 | DIN | Serial command/data input - loads configuration bits (e.g., channel select, scan mode) on SCLK rising edge in SPI mode. |
| 4 | EOC | End-of-conversion flag - logic low indicates result ready at DOUT in internal-clock mode; remains high in external-clock mode. |
| 5–8 | AIN0–AIN3 | Analog input channels - 4 single-ended inputs; multiplexed into SAR core; support 0 V to VREF input range. |
| 9 | REF | Reference voltage terminal - accepts external 3.8 V to AVDD or sources internal +4.096 V; requires 10 µF bypass to AGND. |
| 10 | REFCAP | Internal reference bypass - connects 0.1 µF capacitor to AGND when using internal reference; disabled in external reference mode. |
| 11, 12 | AGND | Analog ground - star-ground return for AVDD and analog circuitry; must be isolated from DGND except at single point. |
| 13 | AVDD | Analog supply - +4.75 V to +5.25 V; powers SAR, T/H, reference; requires 0.1 µF local bypass to AGND. |
| 14 | CS | Active-low chip select - high state forces shutdown (0.6 µA typical); falling edge initiates SPI communication sequence. |
| 15 | DGND | Digital ground - return for DVDD and digital I/O; kept separate from AGND to minimize noise coupling. |
| 16 | DVDD | Digital supply - +2.7 V to +5.25 V; powers interface logic; independent of AVDD for mixed-voltage system interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated +4.096 V reference | Eliminates external reference IC and trimming, reducing BOM count and layout area while ensuring ±25 ppm/°C stability. |
| AutoShutdown™ power management | Reduces current from 3.6 mA (200 ksps) to 185 µA (10 ksps) and 0.6 µA (shutdown), enabling energy-efficient polling architectures. |
| 4 MHz analog input bandwidth | Supports accurate digitization of fast step responses and enables undersampling of signals beyond Nyquist (e.g., 10–20 MHz IF bands). |
| SPI/QSPI/MICROWIRE compatibility | Interoperates with common microcontrollers (e.g., ARM Cortex-M, PIC, MSP430) without protocol translation or glue logic. |
| Scan mode operation | Automatically sequences conversions across AIN0–AIN3 or continuously samples one channel - simplifies firmware for multi-sensor systems. |
Applications
| Motor Control | Industrial I/O Modules |
|---|---|
|
Use Scenario: Real-time monitoring of phase currents and DC bus voltage in BLDC inverters. IC Role / Device Role / Timing Role: 4-channel simultaneous sampling front-end ADC feeding PWM controller feedback loop. Use Value: ±1 LSB INL and 4 MHz bandwidth ensure accurate current reconstruction and fast fault detection within <5 µs latency. |
Use Scenario: Analog input conditioning for programmable logic controller (PLC) analog input cards. IC Role / Device Role / Timing Role: Precision digitizer for 4× 0–10 V or 4–20 mA sensor inputs with cold-junction compensation support. Use Value: Integrated +4.096 V reference and ±1 LSB INL eliminate calibration drift over 0°C to +70°C operating range. |
| Thermocouple Measurements | Accelerometer Measurements |
|
Use Scenario: Cold-junction compensation and millivolt-level thermocouple signal digitization in furnace controllers. IC Role / Device Role / Timing Role: Low-noise, high-impedance ADC with programmable gain path (via external op-amp) for µV-level signals. Use Value: 81 dB SINAD and 0.35 LSBRMS transition noise enable resolution of <1°C temperature steps with Type K sensors. |
Use Scenario: Digitizing outputs from MEMS accelerometers in structural health monitoring nodes. IC Role / Device Role / Timing Role: Low-power, high-bandwidth ADC capturing vibration spectra up to 2 kHz with minimal aliasing. Use Value: 4 MHz input bandwidth and 200 ksps sample rate support anti-alias filtering with 5-pole passive RC networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multichannel, 14-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8325IPW | 16-bit resolution, 100 ksps max, no internal reference, requires external REF and REFBUF. | Better resolution but lower speed and higher BOM cost; lacks AutoShutdown™ and scan mode. | Select when 16-bit precision outweighs power savings and integration benefits of MAX1067BCEE+. |
| AD7946BCPZ-RL7 | 16-bit, 1 MSPS, internal reference (+2.5 V), SPI-only interface, no DSP sync or scan mode. | Higher speed and resolution, but larger 20-lead LFCSP package and no 4-channel mux; consumes 4.5 mA at full rate. | Choose for high-throughput applications where 1 MSPS and 16-bit ENOB justify added complexity and power. |
Compared with ADS8325IPW and AD7946BCPZ-RL7, the MAX1067BCEE+ trades raw resolution for integrated functionality-on-chip reference, AutoShutdown™, 4-channel mux, and scan mode-reducing system-level component count and firmware overhead in space- and power-constrained industrial nodes.
Availability
MAX1067BCEE+ is available at Aetrix Electronics and suitable for motor control, industrial I/O modules, and thermocouple measurement systems requiring stable component supply, long-term manufacturability, and commercial-temperature-grade performance.
Supply support for MAX1067BCEE+ 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, and communications markets.
The MAX1067BCEE+ belongs to Maxim's precision data-acquisition ADC family, designed specifically for low-power, space-constrained industrial systems needing integrated references, flexible serial interfaces, and guaranteed performance across 0°C to +70°C.
FAQ
What is the maximum sampling rate of the MAX1067BCEE+?
The MAX1067BCEE+ achieves a maximum sampling rate of 200 ksps when using an external 4.8 MHz SCLK and 24 clock cycles per conversion. At this rate, its analog supply current is 3.6 mA (AVDD = DVDD = +5V). Lower rates reduce power consumption - e.g., 10 ksps draws only 185 µA - making the MAX1067BCEE+ adaptable to burst-mode or event-triggered acquisition schemes.
Does the MAX1067BCEE+ include an internal voltage reference?
Yes, the MAX1067BCEE+ integrates a precision +4.096 V reference with ±25 ppm/°C temperature coefficient and 4.042 V to 4.136 V initial accuracy. It can be enabled via configuration bits and requires a 0.1 µF capacitor on REFCAP. When used, it eliminates external reference components and associated calibration, directly setting the full-scale input range for AIN0–AIN3. The MAX1067BCEE+ also supports external references from 3.8 V to AVDD.
How does the MAX1067BCEE+ handle analog input protection?
The MAX1067BCEE+ includes internal clamping diodes that protect AIN0–AIN3 against overvoltage from AGND − 0.3 V to AVDD + 0.3 V. If input voltage exceeds this range by more than 300 mV, external series resistance must limit current to ≤10 mA. This protection allows robust interfacing with industrial sensors and field wiring without additional TVS or Schottky diode networks - a key reliability feature for the MAX1067BCEE+ in harsh environments.
What is the purpose of the EOC pin on the MAX1067BCEE+?
The EOC (End-of-Conversion) pin on the MAX1067BCEE+ is an active-low output that signals when conversion data is valid at DOUT - but only in internal-clock mode. In external-clock mode, EOC remains high and is unused. This hardware handshake simplifies interrupt-driven firmware: a microcontroller can wait for EOC assertion before reading DOUT, eliminating need for fixed delay loops or SCLK counting. The MAX1067BCEE+'s EOC timing is tightly specified (tCONV ≤ 3.75 µs) for deterministic real-time response.
Can the MAX1067BCEE+ operate with different digital supply voltages?
Yes, the MAX1067BCEE+ supports digital supply (DVDD) from +2.7 V to +5.25 V independently of its +4.75 V to +5.25 V analog supply (AVDD). This allows direct interfacing with 3.3 V or 5 V logic families without level shifters. Input thresholds scale with DVDD (VIH = 0.7 × DVDD, VIL = 0.3 × DVDD), and output drive strength adjusts accordingly - ensuring reliable communication across mixed-voltage systems using the MAX1067BCEE+.
MAX1067BCEE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- 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:
- 0°C ~ 70°C
- Supplier Device Package:
- 16-QSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1067BCEE+ FAQ
1.How can I place an order for MAX1067BCEE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1067BCEE+ 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 MAX1067BCEE+ reliable?
The price and inventory of MAX1067BCEE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1067BCEE+ is usually 5 days.
3.What payment methods are accepted for MAX1067BCEE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1067BCEE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1067BCEE+?
MAX1067BCEE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1067BCEE+ 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 MAX1067BCEE+?
For technical support, including MAX1067BCEE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1067BCEE+ requirements.
6.How does Aetrix verify that MAX1067BCEE+ is sourced from the original manufacturer or authorized distributors?
All MAX1067BCEE+ 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 MAX1067BCEE+ meets industry standards.
7.What is the process for return or replacement of MAX1067BCEE+?
All MAX1067BCEE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1067BCEE+, 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 MAX1067BCEE+ part is unused and in its original packaging.
Return procedure for MAX1067BCEE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX1067BCEE+ 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…
