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Analog Devices Inc./Maxim Integrated MAX1083ACUE
- Part No.:
- MAX1083ACUE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX1083ACUE.pdf
- Description:
- 4-CHANNEL, SERIAL 10-BIT ADC
- Quantity:
- Payment:
- Shipping:
Inventory:371
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Product details
Overview
MAX1083ACUE from Maxim Integrated is a 10-bit, 4-channel serial analog-to-digital converter (ADC) with integrated track/hold, multiplexer, and internal +2.5V reference. It operates from a single +2.7V to +3.6V supply, delivers 300ksps sampling rate, supports software-configurable unipolar/bipolar and single-ended/pseudo-differential inputs, and targets battery-powered data acquisition systems.
For engineers reviewing the MAX1083ACUE datasheet, MAX1083ACUE pinout, MAX1083ACUE application, or MAX1083ACUE equivalent, this page provides verified technical context, real-world timing and accuracy specs, TSSOP-16 pin mapping, power-mode trade-offs, and two validated alternative ADCs for portable instrumentation and medical sensor interfaces.
Technical Context
The MAX1083ACUE implements successive-approximation register (SAR) architecture with an on-chip track/hold amplifier and 4:1 analog multiplexer. Its conversion cycle requires 16 SCLK periods at up to 4.8MHz, with acquisition time fixed at 625ns and aperture jitter under 50ps - enabling accurate digitization of signals up to 3MHz full-power bandwidth.
It features four software-selectable power modes (normal, reduced-power, fast power-down, full power-down), where serial interface activity automatically wakes the device. The internal reference buffer provides ±1.5% adjustability via REFADJ, and external reference support extends input range from 1V to VDD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit SAR - delivers 1024 discrete output codes with monotonic transfer function and no missing codes over temperature. |
| Sampling Rate | 300ksps - supports continuous acquisition at 300,000 samples per second with 3.3µs conversion time using 4.8MHz SCLK. |
| Supply Voltage | +2.7V to +3.6V - single-supply operation compatible with Li-ion and 3.3V logic rails without level-shifting. |
| INL / DNL | ±0.5 LSB / ±1.0 LSB - ensures high linearity for precision measurement in medical instruments and process control. |
| Reference | Internal +2.5V ±0.02V (±1.5% adjustable) - eliminates need for external reference IC while maintaining ±0.5LSB offset error stability. |
| Power Modes | Full power-down draws 2µA - enables ultra-low quiescent current between conversions in battery-powered pen digitizers. |
| Input Configuration | 4-channel single-ended or 2-channel pseudo-differential - allows flexible signal routing without external op-amps or differential receivers. |
Pinout & Package
MAX1083ACUE is housed in a 16-pin Thin Shrink Small Outline Package (TSSOP) with 0.65mm pitch, JEDEC MO-153 compliant, and rated for 0°C to +70°C ambient operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1, VDD2 | Positive supply inputs | Must be tied together and decoupled locally; supplies analog and digital sections independently but require same voltage rail. |
| GND | Analog/digital ground reference | Single ground plane required; COM pin must remain stable to ±0.5LSB relative to this node during conversion. |
| CH0–CH3, COM | Analog input channels and common reference | Supports single-ended (CHx vs COM) or pseudo-differential (CH0/CH1 or CH2/CH3) configurations; COM sets zero-code point. |
| REF, REFADJ | Reference buffer output and adjustment terminal | REF outputs 2.500V nominal; pulling REFADJ to VDD1 disables internal buffer for external reference use (1V to VDD). |
| SCLK, CS, DIN, DOUT, SSTRB | 4-wire SPI-compatible serial interface | Direct connection to microcontrollers without glue logic; SSTRB provides strobe synchronized to MSB decision for TMS320 DSP interfacing. |
| SHDN | Hardware shutdown control | Active-low input reduces supply current to 2µA; overrides software power modes and forces full power-down state. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated track/hold + multiplexer | Eliminates need for external sample-hold circuitry and analog switch drivers in multi-channel sensor front-ends. |
| Software-configurable input mode | Runtime selection of unipolar/bipolar and single-ended/pseudo-differential operation via control byte - no hardware changes required. |
| Four selectable power modes | Reduces average current from 2.5mA (normal) to 2µA (full power-down), enabling duty-cycled operation in portable data loggers. |
| SPI/QSPI/MICROWIRE/TMS320 compatibility | Interoperates with industry-standard serial peripherals using CPOL=0, CPHA=0 configuration - no protocol translation needed. |
| Internal +2.5V reference with ±1.5% adjustability | Provides stable reference without external components while allowing fine-tuning via REFADJ to compensate for system-level gain errors. |
Applications
| Portable Data Logging | Medical Instruments |
|---|---|
Use Scenario: Battery-powered environmental sensor node recording temperature, humidity, and pressure at 100Hz intervals. IC Role / Device Role / Timing Role: ADC digitizes conditioned analog outputs from multiple sensors using pseudo-differential mode to reject common-mode noise. Use Value: 300ksps throughput and 2µA full power-down enable >1-year battery life with periodic wake-up sampling. |
Use Scenario: Portable ECG monitor acquiring lead-II differential signals with baseline drift compensation. IC Role / Device Role / Timing Role: Configured in pseudo-differential mode (CH0/CH1) with internal reference to maintain absolute accuracy across varying electrode impedances. Use Value: ±0.5 LSB INL and 70dB SFDR ensure diagnostic-grade waveform fidelity without calibration per unit. |
| Battery-Powered Instruments | Pen Digitizers |
Use Scenario: Handheld multimeter measuring DC voltage, resistance, and continuity with auto-ranging. IC Role / Device Role / Timing Role: Uses single-ended mode across CH0–CH3 to sequentially sample different front-end signal paths (voltage divider, ohms test current, continuity comparator). Use Value: Integrated multiplexer and track/hold reduce BOM count by three op-amps and one external MUX IC. |
Use Scenario: Active stylus digitizer tablet capturing X/Y position and pressure with 120Hz report rate. IC Role / Device Role / Timing Role: Samples capacitive sensor array outputs in rapid sequence using software-controlled channel switching and low-latency 3.3µs conversion. Use Value: 625ns acquisition time and 3MHz full-power bandwidth preserve transient response of stylus tip movement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 10-bit serial ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7822U | 8-bit resolution, 200ksps, +2.7V to +5.25V supply, no internal reference - requires external REF or bandgap. | Limited to lower-accuracy industrial monitoring; lacks bipolar input support and software-configurable modes. | Choose when cost sensitivity outweighs resolution needs and external reference is already present in design. |
| MAX11100ETE+ | 12-bit resolution, 500ksps, +2.7V to +3.6V supply, internal 2.048V reference, SPI-only interface. | Higher resolution and speed suit vibration analysis; lacks pseudo-differential mode and TMS320 strobe output. | Prefer for upgraded precision in portable test equipment where SSTRB strobe is not required. |
Compared with ADS7822U and MAX11100ETE+, the MAX1083ACUE uniquely balances 10-bit accuracy, 300ksps throughput, pseudo-differential capability, and TMS320-compatible strobe output - making it optimal for mid-tier portable instrumentation where feature integration and power efficiency are critical.
Availability
MAX1083ACUE is available at Aetrix Electronics and suitable for portable data logging, medical instruments, and battery-powered instruments requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for MAX1083ACUE 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, mixed-signal, and power management ICs for demanding industrial, medical, and portable applications.
The MAX1082/MAX1083 product line delivers low-power, multi-channel serial ADCs optimized for battery-constrained systems requiring integrated signal conditioning, flexible input configuration, and minimal external components.
FAQ
What is the maximum sampling rate supported by the MAX1083ACUE?
The MAX1083ACUE supports a maximum sampling rate of 300ksps, achieved using a 4.8MHz serial clock with 16 clock cycles per conversion. This rate is guaranteed across the full operating temperature range (0°C to +70°C) and supply range (+2.7V to +3.6V), with conversion time fixed at 3.3µs and acquisition time at 625ns.
Does the MAX1083ACUE require an external reference voltage?
No, the MAX1083ACUE includes an internal +2.5V reference with ±1.5% adjustability via the REFADJ pin. An external reference (1V to VDD) may be used by disabling the internal buffer - but doing so forfeits the ±0.5LSB offset stability and requires careful layout to avoid noise coupling into the REF pin.
How does the pseudo-differential input mode work on the MAX1083ACUE?
The MAX1083ACUE supports pseudo-differential mode by selecting CH0/CH1 or CH2/CH3 pairs; only the positive input (IN+) is actively sampled, while the negative input (IN−) must remain stable to ±0.5LSB during conversion. This architecture avoids true differential receiver complexity while enabling common-mode rejection in sensor applications.
Can the MAX1083ACUE interface directly with a TMS320-series DSP?
Yes, the MAX1083ACUE's SSTRB pin outputs a strobe pulse synchronized to the MSB decision, allowing direct connection to TMS320-family DSPs without external timing logic. This strobe aligns with the first valid bit of the 12-bit serial output stream, simplifying firmware-driven data capture in real-time control loops.
What power-saving modes are available on the MAX1083ACUE?
The MAX1083ACUE offers four software-selectable power modes: normal (2.5mA), reduced-power (1.3mA), fast power-down (0.9mA), and full power-down (2µA). All modes are entered via control-byte configuration, and serial interface activity automatically powers the device back up - enabling efficient burst-mode acquisition in portable systems.
MAX1083ACUE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 300k
- Number of Inputs:
- 4
- Input Type:
- Pseudo-Differential, Single Ended
- Data Interface:
- 4-Wire Serial, Microwire, QSPI, 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:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 2.7V ~ 3.6V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Supplier Device Package:
- 16-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1083ACUE FAQ
1.How can I place an order for MAX1083ACUE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1083ACUE 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 MAX1083ACUE reliable?
The price and inventory of MAX1083ACUE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1083ACUE is usually 5 days.
3.What payment methods are accepted for MAX1083ACUE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1083ACUE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1083ACUE?
MAX1083ACUE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1083ACUE 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 MAX1083ACUE?
For technical support, including MAX1083ACUE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1083ACUE requirements.
6.How does Aetrix verify that MAX1083ACUE is sourced from the original manufacturer or authorized distributors?
All MAX1083ACUE 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 MAX1083ACUE meets industry standards.
7.What is the process for return or replacement of MAX1083ACUE?
All MAX1083ACUE units undergo pre-shipment inspection (PSI). If there is an issue with MAX1083ACUE, 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 MAX1083ACUE part is unused and in its original packaging.
Return procedure for MAX1083ACUE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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