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Analog Devices Inc./Maxim Integrated MAX1063BEEG+
- Part No.:
- MAX1063BEEG+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 24-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX1063BEEG+.pdf
- Description:
- IC ADC 10BIT 250KSPS +3V 24-QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,069
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Product details
Overview
MAX1063BEEG+ from Maxim Integrated is a 10-bit, 250ksps successive-approximation ADC with integrated +2.5V reference, software-configurable 4-channel single-ended / 2-channel pseudo-differential analog input, byte-wide parallel (8+2) interface, and +3V analog supply operation. It delivers ±0.5 LSB INL, 60dB SINAD, and 3MHz full-power bandwidth for precision data acquisition in space-constrained, low-power systems.
For engineers reviewing the MAX1063BEEG+ datasheet, MAX1063BEEG+ pinout, MAX1063BEEG+ application, or MAX1063BEEG+ equivalent, this page provides verified technical context, validated pin functions, real-world use cases, and confirmed alternative parts - all grounded in the official MAX1061/MAX1063 datasheet Rev 1 (3/09) and Maxim's product specifications.
Technical Context
The MAX1063BEEG+ implements a charge-redistribution SAR architecture with an internal track/hold stage offering 3.2µs acquisition time and 3.6µs conversion time at 250ksps. Its analog front-end supports unipolar/bipolar and single-ended/pseudo-differential modes via software-controlled configuration bits (SGL/DIF, UNI/BIP), with COM referenced to GND for zero-code alignment.
Digital control uses a tri-state parallel interface with active-low CS, WR, RD, and HBEN for 10-bit result multiplexing across D7–D0/D1/D0. Clock mode (internal or external) and power-down state (normal, standby, full shutdown) are selected via dedicated bits in the 8-bit control byte, enabling precise timing control and sub-2µA shutdown current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit SAR ADC with no missing codes over temperature |
| Sampling Rate | 250ksps maximum - enables real-time monitoring of 125kHz sine inputs with >56dB SINAD |
| INL / DNL | ±0.5 LSB / ±1 LSB - ensures monotonicity and <0.05% full-scale linearity error |
| Reference | +2.5V internal bandgap reference (±20ppm/°C TC, 2.49V–2.51V over temp) |
| Power Consumption | 1.9mA at 250ksps (5.7mW @ VDD = VLOGIC = 3V); 2µA in full shutdown |
| Analog Input Range | Single-ended: 0 to VREF (unipolar) or –VREF/2 to +VREF/2 (bipolar); pseudo-differential pairs defined per channel mapping |
| Interface | Byte-wide parallel (D7–D0) + 2-bit high-byte enable (HBEN) - directly compatible with 8-bit µP I/O ports |
Pinout & Package
MAX1063BEEG+ is housed in a 24-pin QSOP package (5.0mm × 7.5mm body, 0.635mm pitch), RoHS-compliant and lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HBEN (Pin 1) | High-byte enable control | Selects whether D7–D0 carry LSBs (HBEN=0) or D1/D0 carry MSBs (HBEN=1) - enables 10-bit read in two 8-bit bus cycles |
| D7–D0 (Pins 2–9) | Tri-state digital I/O bus | Multiplexed control byte input and conversion result output; driven only when CS and RD/WR active |
| INT (Pin 10) | Open-drain interrupt output | Active-low signal asserts when conversion completes and data is valid on D7–D0 |
| RD (Pin 11) | Active-low read strobe | Falling edge latches conversion result onto D7–D0 when CS is low |
| WR (Pin 12) | Active-low write strobe | Rising edge latches control byte (channel, mode, clock, power-down) and initiates acquisition/conversion |
| CLK (Pin 13) | Clock input/control | Driven externally (100kHz–4.8MHz) or tied high/low to select internal clock mode |
| CS (Pin 14) | Active-low chip select | Enables digital interface; forces D7–D0 into high-impedance state when high |
| CH0–CH3 (Pins 15–18) | Analog input channels | Four single-ended inputs; paired as CH0/CH1 and CH2/CH3 for pseudo-differential operation |
| COM (Pin 23) | Analog common reference | Zero-code reference node; must remain stable to ±0.5 LSB during conversion |
| GND (Pin 24) | Analog/digital ground | Common return for analog and digital sections - requires low-impedance PCB connection |
| REFADJ (Pin 25) | Bandgap reference buffer | Bypassed with 0.01µF to GND; connect to VDD to disable internal reference when using external REF |
| REF (Pin 26) | Reference voltage node | Outputs +2.5V internal reference; bypassed with 4.7µF capacitor to GND for stability |
| VDD (Pin 27) | +3V analog supply | Must be bypassed with 0.1µF ceramic capacitor to GND near pin; range: +2.7V to +3.6V |
| VLOGIC (Pin 28) | Digital I/O supply | Independent +1.8V to +3.6V rail - sets VOH/VOL levels and isolates digital noise from analog section |
Key Features
| Feature | Design Value |
|---|---|
| Software-configurable analog input | Runtime selection of 4-channel single-ended or 2-channel pseudo-differential mode via SGL/DIF bit |
| Flexible logic-level interface | VLOGIC pin supports +1.8V to +3.6V digital I/O - enables direct interfacing with low-voltage µPs without level shifters |
| Low-power operation with fast wake-up | 2µs wake-up from shutdown; 1.9mA at full rate, 400µA at 10ksps, and <2µA in full shutdown |
| Integrated precision reference | +2.5V internal reference with ±20ppm/°C drift and 4.7µF bypass - eliminates external reference component cost and layout area |
| Full-power bandwidth | 3MHz track/hold bandwidth - supports undersampling of transients and signals beyond Nyquist limit with proper anti-alias filtering |
| Robust analog input protection | Internal clamping diodes allow safe input overvoltage to (GND − 300mV) and (VDD + 300mV), with full-scale accuracy maintained within ±50mV of rails |
Applications
| Industrial Process Monitoring | Patient Vital Sign Acquisition |
|---|---|
Use Scenario: Continuous sampling of temperature, pressure, and flow sensor outputs in PLC-based control cabinets with limited board space and thermal budget. IC Role / Device Role / Timing Role: Primary 10-bit data converter interfacing 4 analog sensors to an 8-bit microcontroller via parallel bus; INT-driven interrupt polling minimizes µP overhead. Use Value: Integrated +2.5V reference and 24-pin QSOP footprint reduce BOM count and PCB area by eliminating external reference and level-shifting components. |
Use Scenario: Portable ECG and pulse oximetry modules requiring low-noise, battery-efficient digitization of biopotential signals with bipolar input support. IC Role / Device Role / Timing Role: Bipolar-mode ADC capturing differential lead signals (e.g., CH0/CH1) with COM referenced to mid-supply; software-selectable gain and offset calibration via control byte. Use Value: ±0.5 LSB INL and 60dB SINAD ensure clinical-grade waveform fidelity; 2µA shutdown current extends battery life between measurements. |
| Energy Metering Subsystem | Touch Screen Controller Interface |
Use Scenario: AC mains voltage/current sensing in smart meter front-ends where isolation amplifiers feed into a compact, low-power ADC stage. IC Role / Device Role / Timing Role: Pseudo-differential ADC digitizing isolated voltage and current transformer outputs; external clock synchronization enables phase-aligned sampling across multiple channels. Use Value: 3MHz full-power bandwidth allows accurate capture of harmonic content up to 5th order; internal reference stability ensures long-term metrology accuracy. |
Use Scenario: Resistive touch panel digitization in handheld HMI devices, where four-wire X/Y coordinate measurement demands fast, repeatable channel switching. IC Role / Device Role / Timing Role: Single-ended 4-channel ADC scanning CH0–CH3 sequentially under µP control; internal acquisition mode simplifies timing with ~1µs auto-triggered conversion. Use Value: Software-configurable channel sequencing and 250ksps rate enable sub-10ms full-panel scan; low 1.9mA active current reduces display subsystem power draw. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 10-bit, parallel-output ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7822U | 8-bit resolution, SPI interface, no internal reference, 200ksps max - smaller package but lower resolution and serial interface | Suitable for cost-sensitive, lower-accuracy sensor readout where µP has SPI and board space is critical | Choose ADS7822U only if 8-bit resolution suffices and serial interface is preferred; not drop-in for MAX1063BEEG+ parallel bus or 10-bit requirements |
| MAX11607ETE+ | 12-bit resolution, I²C interface, internal reference, 94.4ksps - higher resolution but slower and serial-only | Applicable in low-speed, high-precision industrial logging where I²C simplifies routing and 12-bit accuracy is required | Select MAX11607ETE+ when resolution >10-bit is mandatory and I²C compatibility exists; incompatible with parallel bus timing and 250ksps throughput needs |
Compared with ADS7822U and MAX11607ETE+, the MAX1063BEEG+ uniquely combines 10-bit accuracy, 250ksps parallel throughput, integrated +2.5V reference, and software-configurable analog input modes - making it optimal for µP-based data acquisition where speed, precision, and interface simplicity are jointly critical.
Availability
MAX1063BEEG+ is available at Aetrix Electronics and suitable for industrial process monitoring, portable medical instrumentation, energy metering subsystems, and resistive touch screen controller interfaces requiring stable component supply, extended temperature operation (–40°C to +85°C), and RoHS-compliant packaging.
Supply support for MAX1063BEEG+ 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, medical, and communications applications.
The MAX1061/MAX1063 family was designed for low-power, space-constrained data acquisition systems requiring integrated reference, flexible input configuration, and µP-friendly parallel interface - targeting battery-powered and embedded measurement equipment.
FAQ
What is the operating temperature range for the MAX1063BEEG+?
The MAX1063BEEG+ is rated for operation from –40°C to +85°C, as indicated by the "E" grade suffix in its part number. This extended industrial temperature range ensures reliable performance in demanding environments such as factory automation controllers, outdoor energy meters, and portable medical devices where ambient conditions exceed commercial-grade limits. All electrical specifications in the datasheet are guaranteed across this full range.
Does the MAX1063BEEG+ require an external clock to operate?
No, the MAX1063BEEG+ supports both internal and external clock modes. When configured for internal clock mode (D7=1, D6=0 in the control byte), it generates its own 3MHz conversion clock - eliminating the need for an external oscillator or µP clock resource. The CLK pin must then be tied to VDD or GND to prevent floating. External clock mode (D7=1, D6=1) accepts 100kHz–4.8MHz TTL/CMOS signals for precise timing control.
How does the HBEN pin function in the MAX1063BEEG+?
The HBEN (High Byte Enable) pin on the MAX1063BEEG+ controls multiplexing of the 10-bit conversion result onto the 8-bit data bus. When HBEN = 0, D7–D0 output the 8 LSBs; when HBEN = 1, D1 and D0 output the 2 MSBs. This allows full 10-bit reads using standard 8-bit µP I/O ports without requiring wider buses or additional latches - a key design enabler for legacy or resource-constrained microcontrollers.
Can the MAX1063BEEG+ interface directly with a +1.8V microcontroller?
Yes, the MAX1063BEEG+ supports direct interfacing with +1.8V microcontrollers via its VLOGIC pin, which accepts +1.8V to +3.6V. When VLOGIC = +1.8V, the digital outputs (D7–D0, INT, RD, WR, CS) meet +1.8V logic thresholds (VIH = 1.5V min, VIL = 0.5V max), and input leakage remains within ±0.1µA. This eliminates level-shifter components and simplifies interconnect in ultra-low-power embedded systems.
What is the purpose of the COM pin on the MAX1063BEEG+?
The COM (Common) pin on the MAX1063BEEG+ serves as the analog reference node for single-ended operation and the negative input reference in pseudo-differential mode. In single-ended mode, it sets the zero-code voltage (e.g., 0V for unipolar, VREF/2 for bipolar). During conversion, COM must remain stable to ±0.5 LSB - achieved by connecting it directly to a clean, low-impedance analog ground plane and avoiding shared traces with digital or high-current paths.
MAX1063BEEG+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 24-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 250k
- Number of Inputs:
- 2, 4
- Input Type:
- Pseudo-Differential, Single Ended
- Data Interface:
- Parallel
- 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:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 1.8V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 24-QSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1063BEEG+ FAQ
1.How can I place an order for MAX1063BEEG+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1063BEEG+ 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 MAX1063BEEG+ reliable?
The price and inventory of MAX1063BEEG+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1063BEEG+ is usually 5 days.
3.What payment methods are accepted for MAX1063BEEG+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1063BEEG+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1063BEEG+?
MAX1063BEEG+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1063BEEG+ 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 MAX1063BEEG+?
For technical support, including MAX1063BEEG+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1063BEEG+ requirements.
6.How does Aetrix verify that MAX1063BEEG+ is sourced from the original manufacturer or authorized distributors?
All MAX1063BEEG+ 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 MAX1063BEEG+ meets industry standards.
7.What is the process for return or replacement of MAX1063BEEG+?
All MAX1063BEEG+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1063BEEG+, 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 MAX1063BEEG+ part is unused and in its original packaging.
Return procedure for MAX1063BEEG+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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