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Analog Devices Inc./Maxim Integrated MAX1060BCEI+
- Part No.:
- MAX1060BCEI+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX1060BCEI+.pdf
- Description:
- IC ADC 10BIT SAR 28QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,851
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Product details
Overview
MAX1060BCEI+ from Maxim Integrated is a 10-bit, 400ksps successive-approximation analog-to-digital converter (ADC) with integrated +2.5V reference, byte-wide parallel (8+2) interface, and software-configurable 8-channel single-ended or 4-channel pseudo-differential analog input multiplexer. It operates from a single +5V analog supply and supports digital logic levels from +2.7V to +5.5V via VLOGIC, enabling direct interfacing with mixed-voltage microprocessors in portable data-acquisition systems.
For engineers reviewing the MAX1060BCEI+ datasheet, MAX1060BCEI+ pinout, MAX1060BCEI+ application, or MAX1060BCEI+ equivalent, key selection considerations include its ±0.5 LSB INL at 0°C to +70°C, 2.5mA active current at 400ksps, internal 6MHz full-power bandwidth track-and-hold, 2µs wake-up from shutdown, and QSOP-28 package compatibility with industrial sensor front-ends and battery-powered instrumentation.
Technical Context
The MAX1060BCEI+ implements a charge-redistribution SAR architecture with an integrated track-and-hold stage, supporting both internal and external clock modes (up to 7.6MHz) and internal/external acquisition control for precise sampling timing. Its analog input structure allows unipolar or bipolar operation and configurable channel selection via an 8-bit control byte including address bits A2–A0 and SGL/DIF, UNI/BIP, and ACQMOD flags.
Conversion timing is deterministic: 13 clock cycles per conversion, with tCONV = 3.2µs (typ) in internal clock mode. The device features dual power-down modes-standby (≤10µA) and full shutdown (≤2µA)-triggered by PD0/PD1 bits, and uses a high-impedance tri-state parallel bus (D0–D9, HBEN, RD, WR, CS, INT) synchronized to WR/CS edges and CLK transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - delivers 1024 discrete output codes with monotonic transfer function and no missing codes over temperature. |
| Sampling Rate | 400ksps max - supports real-time digitization of signals up to 350kHz full-linear bandwidth without aliasing when properly filtered. |
| INL / DNL | ±0.5 LSB / ±1 LSB - ensures accurate representation of linear sensor outputs and minimal code-dependent gain error in precision measurement. |
| Reference | +2.5V internal bandgap - eliminates need for external reference component; stable to ±20ppm/°C and ±100mV load regulation. |
| Power Consumption | 2.5mA at 400ksps, 2µA in shutdown - enables >100-hour battery life in low-duty-cycle logging applications using coin-cell or Li-ion sources. |
| Analog Inputs | 8 single-ended or 4 pseudo-differential channels - provides flexible signal routing for multi-sensor monitoring without external MUX hardware. |
| Interface | Byte-wide parallel (8+2) with HBEN - simplifies µP integration via standard 8-bit data bus plus two high-byte bits, reducing glue logic vs. serial ADCs. |
Pinout & Package
MAX1060BCEI+ is housed in a 28-pin QSOP (Quad Small Outline Package) with 0.15mm lead pitch and 9.9mm × 3.9mm body size, suitable for high-density PCB layouts and reflow assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 HBEN | High Byte Enable | Selects between 8 LSBs (HBEN=0) or D8/D9 (HBEN=1) on D0–D7 bus; enables compact 8-bit µP interface with optional 10-bit resolution access. |
| 2–9 D7–D0/D9/D8 | Tri-State Digital I/O | Parallel data bus outputs; high-impedance when CS high or during conversion; supports shared bus architectures with multiple peripherals. |
| 10 INT | Interrupt Output | Active-low open-drain flag signaling conversion completion and data readiness; directly interfaces to µP interrupt pins without pull-up resistors. |
| 11 RD | Read Select Input | Falling edge triggers data latching onto D0–D7; synchronous read avoids metastability in high-speed µP systems. |
| 12 WR | Write Select Input | Rising edge loads control byte and initiates acquisition/conversion; dual-pulse external acquisition mode enables jitter-critical sampling. |
| 13 CLK | Clock Input | Accepts external TTL/CMOS clock (100kHz–7.6MHz) or connects to VDD/GND for internal clock mode; determines conversion timing precision. |
| 14 CS | Chip Select Input | Active-low enable; places outputs in high-Z state when deasserted, allowing bus sharing with other parallel devices. |
| 15–22 CH7–CH0 | Analog Input Channels | Eight single-ended inputs referenced to COM; internally multiplexed based on A2–A0 bits in control byte. |
| 23 COM | Analog Common Reference | Sets zero-code voltage in single-ended mode; must remain stable to ±0.5 LSB during conversion to avoid offset drift. |
| 24 GND | Analog & Digital Ground | Single ground pin for mixed-signal layout; requires star grounding near VDD bypass capacitor to minimize noise coupling. |
| 25 REFADJ | Reference Adjust/Disable | Bypass to GND with 0.01µF cap; connect to VDD to disable internal reference when using external precision reference. |
| 26 REF | Reference Output/Input | Provides +2.5V internal reference; requires 4.7µF capacitor to GND for stability; accepts external reference up to VDD. |
| 27 VDD | +5V Analog Supply | Powers analog core and T/H stage; must be bypassed with 0.1µF ceramic capacitor close to pin to suppress switching noise. |
| 28 VLOGIC | +2.7V to +5.5V Digital Supply | Independent power for digital I/O; enables interoperability with 3.3V or 5V µPs without level shifters or voltage translators. |
Key Features
| Feature | Design Value |
|---|---|
| Software-configurable input mode | Runtime selection of unipolar/bipolar and single-ended/pseudo-differential via control byte - eliminates hardware reconfiguration for varying sensor types (e.g., thermocouples vs. RTDs). |
| Internal track-and-hold | 6MHz full-power bandwidth - captures fast transients (e.g., motor current spikes) without external sample-hold circuitry. |
| Two-tier power-down | Standby (≤10µA) and full shutdown (≤2µA) modes - extends battery life in intermittent-sampling applications like environmental monitors. |
| Flexible digital interface | VLOGIC pin supports +2.7V to +5.5V logic supply - allows direct connection to diverse host processors without external level-shifting components. |
| On-chip +2.5V reference | ±20ppm/°C tempco and ±100mV load regulation - reduces BOM count and improves system accuracy vs. discrete reference solutions. |
| Fast wake-up time | 2µs from shutdown to first conversion - enables rapid response to event-triggered sampling (e.g., fault detection in power supplies). |
Applications
| Industrial Sensor Interface | Patient Monitoring Front-End |
|---|---|
Use Scenario: Digitizing outputs from 8 pressure, temperature, and flow sensors in a PLC I/O module with space-constrained PCB layout. IC Role / Device Role / Timing Role: Central 10-bit ADC performing sequential channel scanning at 50ksps per channel, synchronized to PLC scan cycle via INT-driven µP polling. Use Value: Eliminates need for external reference and multiplexer, reducing component count by ≥4 parts while maintaining ±0.5 LSB linearity across 0°C to +70°C operating range. |
Use Scenario: Acquiring ECG, SpO₂, and respiration waveforms in portable patient monitor with strict power budget (<10mW avg). IC Role / Device Role / Timing Role: Low-power ADC converting analog biosignals at 1ksps with automatic shutdown between samples; INT signal triggers µP data processing. Use Value: 2µA shutdown current and 2.5mA active current at 400ksps enable >120-hour operation on 1000mAh Li-ion battery, meeting IEC 60601-1 portable device requirements. |
| Energy Meter Data Logger | Touch Screen Controller Interface |
Use Scenario: Capturing voltage/current waveforms in smart meter for harmonic analysis and kWh calculation over 10-year field deployment. IC Role / Device Role / Timing Role: High-stability ADC using internal +2.5V reference and 350kHz full-linear bandwidth to resolve 50/60Hz fundamentals and 25th harmonics. Use Value: ±20ppm/°C reference tempco and ±0.5 LSB INL ensure <0.1% energy measurement error across -25°C to +70°C ambient, satisfying ANSI C12.20 Class 0.2 accuracy. |
Use Scenario: Reading resistive touch panel coordinates in handheld HMI where µP lacks built-in ADC and board space is limited to 2cm². IC Role / Device Role / Timing Role: Compact 28-pin QSOP ADC providing 10-bit X/Y position data via parallel interface; HBEN enables reuse of existing 8-bit data bus. Use Value: 8-channel single-ended input eliminates external analog MUX, reducing solution footprint by 35% vs. discrete ADC + MUX approach while supporting 200Hz touch update rate. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 10-bit parallel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX1061BCEI+ | +3V-only supply (VDD = VLOGIC = 2.7V–3.6V); same 10-bit SAR core but lower full-power bandwidth (3MHz) and no VLOGIC independence. | Targeted at 3V embedded systems; lacks dual-supply flexibility for mixed-voltage designs requiring +5V analog and +3.3V digital rails. | Select MAX1061BCEI+ only when system operates exclusively at 3V and board layout cannot accommodate separate VDD/VLOGIC decoupling. |
| ADS7822U | 2.7V–5.25V supply; SPI interface (not parallel); 1MSPS sampling; ±1 LSB INL; no internal reference - requires external REF3025. | Suited for µPs with SPI peripherals and higher speed needs; adds BOM cost and layout complexity for reference and level-shifting. | Choose ADS7822U when µP has dedicated SPI port, sampling rate >400ksps is required, and design can absorb added reference component and routing overhead. |
Compared with MAX1061BCEI+, MAX1060BCEI+ offers wider supply flexibility and superior analog performance at 5V; versus ADS7822U, it trades serial interface simplicity for guaranteed parallel timing control and integrated reference-critical for deterministic real-time acquisition in industrial controllers.
Availability
MAX1060BCEI+ is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable medical devices, and energy meter data loggers requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for MAX1060BCEI+ 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 MAX1060 series belongs to Maxim's precision data-acquisition product line, designed specifically for low-power, space-constrained systems needing integrated reference, flexible input configuration, and deterministic parallel interfacing without external support components.
FAQ
What is the operating temperature range for MAX1060BCEI+?
The MAX1060BCEI+ is specified for commercial operation from 0°C to +70°C. This grade is validated per Maxim's datasheet revision 0 (April 2003) with guaranteed performance for INL (±0.5 LSB), DNL (±1 LSB), and reference voltage (2.49V to 2.51V) across that full range. It is not rated for extended industrial (-40°C to +85°C) operation - for that, the MAX1060BEEI+ variant must be used.
Does MAX1060BCEI+ require an external clock to operate?
No, MAX1060BCEI+ supports both internal and external clock modes. When bits D7=1 and D6=0 in the control byte, the internal 6MHz clock is enabled - CLK pin must then be tied to VDD or GND to prevent floating. External clock mode (D7=D6=1) accepts 100kHz–7.6MHz TTL/CMOS signals on CLK, offering tighter aperture jitter control for high-fidelity sampling.
How does the HBEN pin affect data readout on MAX1060BCEI+?
The HBEN (High Byte Enable) pin on MAX1060BCEI+ controls multiplexing of the 10-bit result onto the 8-bit data bus: when HBEN=0, D0–D7 carry the 8 LSBs; when HBEN=1, D0 and D1 carry D8 and D9 respectively, while D2–D7 are unused. This allows 8-bit µPs to access full 10-bit resolution in two reads without external latch logic.
Can MAX1060BCEI+ interface directly with a 3.3V microprocessor?
Yes, MAX1060BCEI+ supports direct interfacing with 3.3V µPs via its VLOGIC pin, which accepts +2.7V to +5.5V digital supply. When VLOGIC = 3.3V, all digital outputs (D0–D9, INT, RD, WR, CS, HBEN) swing between 0V and 3.3V, matching 3.3V logic thresholds without level shifters - confirmed by VOH ≥ 2.8V and VOL ≤ 0.4V specs at IOL=1.6mA.
What analog input configurations does MAX1060BCEI+ support?
MAX1060BCEI+ supports four analog input modes selected via the SGL/DIF and UNI/BIP bits in its 8-bit control byte: unipolar single-ended (0V to +2.5V), bipolar single-ended (±1.25V), unipolar pseudo-differential (e.g., CH0–CH1), and bipolar pseudo-differential (e.g., CH0–CH1 centered at +1.25V). All modes use the same 8-channel input structure with COM as reference.
MAX1060BCEI+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 28-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 400k
- Number of Inputs:
- 4, 8
- 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:
- 5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.5V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 28-QSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1060BCEI+ FAQ
1.How can I place an order for MAX1060BCEI+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1060BCEI+ 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 MAX1060BCEI+ reliable?
The price and inventory of MAX1060BCEI+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1060BCEI+ is usually 5 days.
3.What payment methods are accepted for MAX1060BCEI+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1060BCEI+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1060BCEI+?
MAX1060BCEI+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1060BCEI+ 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 MAX1060BCEI+?
For technical support, including MAX1060BCEI+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1060BCEI+ requirements.
6.How does Aetrix verify that MAX1060BCEI+ is sourced from the original manufacturer or authorized distributors?
All MAX1060BCEI+ 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 MAX1060BCEI+ meets industry standards.
7.What is the process for return or replacement of MAX1060BCEI+?
All MAX1060BCEI+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1060BCEI+, 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 MAX1060BCEI+ part is unused and in its original packaging.
Return procedure for MAX1060BCEI+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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