MAX1030BCEG+TG002 - 10-Bit 300ksps ADC w/ FIFO & Temp Sensor | ADI
MPN: MAX1030BCEG+TG002 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $10.25 | $10.25 |
| 10 | $9.42 | $94.20 |
| 100 | $8.31 | $831.00 |
| 500 | $7.48 | $3,740.00 |
| 1,000 | $6.92 | $6,920.00 |
MAX1030BCEG+TG002 Overview
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that quantizes a continuous-time, continuous-amplitude analog input into a discrete digital code. Successive-approximation register (SAR) ADCs like the MAX1030 use a binary-search algorithm with an internal DAC and comparator to resolve N bits in N clock cycles, achieving a strong trade-off between sample rate, accuracy, and low power consumption. Within the broader hierarchy, the MAX1030 is a precision SAR ADC, a sub-category of data-conversion ICs that sits under signal-chain and data-acquisition products.
Key specifications include 10-bit resolution, 300 ksps maximum sampling rate, 8/16 single-ended or 4/8 differential input channels, an internal 4.096 V reference, an integrated on-chip FIFO that offloads host-processor overhead, an internal temperature sensor with ±2 °C accuracy (typical), and an operating supply range of +4.75 V to +5.25 V (analog) and +2.7 V to +5.25 V (digital). AutoShutdown reduces supply current between conversions to microampere levels, suiting battery-powered data-acquisition applications.
The MAX1030BCEG+TG002 uses a switched-capacitor input architecture with a high-impedance analog input multiplexer. The internal FIFO can buffer multiple conversion results, and internal averaging supports oversampling to improve effective resolution. The 24-QSOP package is footprint-compatible with the MAX1026 (12-channel) and MAX1028 (8-channel) family members, allowing channel-count scaling without PCB rework.
Typical applications include industrial process control, multichannel data-acquisition systems, patient monitoring and portable medical instruments, battery-powered sensor systems with temperature compensation, system supervisory monitoring (using the on-chip temp sensor), and front-end digitizing for instrumentation. The +5 V analog supply and 5 V digital I/O make it a natural fit for legacy 5 V microcontrollers and embedded DSP systems.
When designing with the MAX1030BCEG+TG002, observe the analog/digital supply sequencing guidelines in the manufacturer datasheet. Place the 0.1 µF and 10 µF decoupling capacitors as close as possible to the AVDD/DVDD pins, and keep analog inputs away from digital switching traces to preserve the 10-bit linearity and SNR performance.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes that are not consolidated in any single manufacturer datasheet or distributor listing.
Drop-in alternatives for MAX1030BCEG+TG002 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MAX1030BCEG+TG002 (same form factor and footprint) — differing in Operating Temperature Range, Architecture, Input Type, Package, Resolution.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MAX1030BCEG+
✅ Drop-In📋 Reference alternative (not in catalog)
MAX1030BCEG+T
✅ Drop-In📋 Reference alternative (not in catalog)
MAX1028CEG+
✅ Drop-In📋 Reference alternative (not in catalog)
MAX1026CEG+
✅ Drop-In📋 Reference alternative (not in catalog)
MAX1030BCEG-T
✅ Drop-In📋 Reference alternative (not in catalog)
MAX1030BCEG+TG002 Maximum Ratings & Electrical Characteristics
| Resolution | 10 bit |
| Number of Input Channels | 8 / 16 single-ended, 4 / 8 differential (MAX1030) |
| Sampling Rate | 300 ksps |
| ADC Architecture | SAR (Successive Approximation Register) |
| Input Type | Single-Ended / Pseudo-Differential (software-selectable per channel pair) |
| Interface | SPI / QSPI / MICROWIRE-compatible serial |
| Reference | Internal 4.096 V (software-trimmed) |
| Internal FIFO | Yes (depth per datasheet) |
| Internal Temperature Sensor | Yes (±2 °C typical accuracy) |
| AutoShutdown | Yes |
| Internal Averaging | Yes (programmable oversampling) |
| Analog Supply Voltage (AVDD) | +4.75 V to +5.25 V |
| Digital Supply Voltage (DVDD) | +2.7 V to +5.25 V |
| Operating Temperature Range | 0 °C to +70 °C (commercial C-grade) |
| Package | 24-pin QSOP |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
MAX1030BCEG+TG002 Pin Configuration
| Pin 1 | AIN0 — Analog input 0 |
| Pin 2 | AIN1 — Analog input 1 |
| Pin 3 | AIN2 — Analog input 2 |
| Pin 4 | AIN3 — Analog input 3 |
| Pin 5 | AIN4 — Analog input 4 |
| Pin 6 | AIN5 — Analog input 5 |
| Pin 7 | AIN6 — Analog input 6 |
| Pin 8 | AIN7 — Analog input 7 |
| Pin 9 | AGND — Analog ground |
| Pin 10 | AVDD — Analog supply (+4.75 V to +5.25 V) |
| Pin 11 | REF — Reference bypass / external reference input |
| Pin 12 | AIN8 — Analog input 8 |
| Pin 13 | AIN9 — Analog input 9 |
| Pin 14 | AIN10 — Analog input 10 |
| Pin 15 | AIN11 — Analog input 11 |
| Pin 16 | AIN12 — Analog input 12 |
| Pin 17 | AIN13 — Analog input 13 |
| Pin 18 | AIN14 — Analog input 14 |
| Pin 19 | AIN15 — Analog input 15 |
| Pin 20 | CNVST — Conversion start input |
| Pin 21 | EOC — End-of-conversion output |
| Pin 22 | DOUT — Serial data output |
| Pin 23 | DIN — Serial data input |
| Pin 24 | SCLK — Serial clock input |
Typical Applications
MAX1030BCEG+TG002 is suitable for 6 applications: Industrial Process Control & Multichannel Data Acquisition, Portable Patient Monitoring & Medical Instrumentation, Battery-Powered Sensor Systems with Temperature Compensation, System Supervisory Monitoring with Embedded Temp Sensor, Front-End Digitizing for Test & Measurement Instrumentation, Automotive Sensor Cluster & Cabin Electronics (Non-Safety).
Industrial Process Control & Multichannel Data Acquisition
The MAX1030BCEG+TG002 is a strong fit for industrial process-control and data-acquisition subsystems because its 8/16 single-ended or 4/8 differential input channels, 10-bit resolution, and 300 ksps throughput digitize multiple sensor signals - such as 4-20 mA loop transmitters, thermocouples via front-end amplifiers, and pressure/flow transducers - on a single chip. The internal 4.096 V reference and AutoShutdown reduce external component count, while the on-chip FIFO buffers conversion results so a low-cost 8-bit microcontroller can handshake via SPI without dropping samples. Across a +4.75 V to +5.25 V analog supply, the part survives typical industrial 5 V rails, and the integrated ±2 °C temperature sensor provides cold-junction compensation for thermocouple inputs in the same scan sequence.
Recommended
Portable Patient Monitoring & Medical Instrumentation
The MAX1030BCEG+TG002 suits portable patient-monitoring and medical-instrumentation front ends where multi-channel sensor readout, low power, and small PCB area are mandatory. The 16 single-ended input channels accept ECG, SpO2, temperature, and respiration sensor signals after external signal conditioning, while AutoShutdown drops quiescent current to microampere levels between scans to extend battery life. The internal temperature sensor can also be used for on-board thermal monitoring of the patient-monitoring subsystem, eliminating a separate analog temperature IC. The 24-QSOP package keeps the analog front end under 60 mm², fitting inside compact wearable and bedside-monitor enclosures; medical system integrators retain responsibility for IEC 60601 compliance.
Recommended
Battery-Powered Sensor Systems with Temperature Compensation
The MAX1030BCEG+TG002 is well suited to battery-powered sensor systems that require periodic multi-channel scans and on-board temperature compensation. The combination of AutoShutdown, programmable internal averaging, and the integrated FIFO allows the host microcontroller to sleep between scans while the ADC buffers a full sweep of conversion results in its FIFO, then burst-transfers them on SPI. The internal ±2 °C temperature sensor provides a local reference for compensating RTD, thermistor, or semiconductor-sensor drift without an additional temperature IC. Operating from a single +5 V analog rail, the part drops gracefully into 4-cell NiMH, single-cell Li-ion with boost, or USB-powered sensor-hub designs.
Recommended
System Supervisory Monitoring with Embedded Temp Sensor
The MAX1030BCEG+TG002 doubles as a system-supervisory ADC and a local temperature monitor, making it useful in 5 V embedded systems that need both multi-rail voltage supervision and on-board thermal monitoring in a single chip. By scanning the AIN0-AIN15 inputs across the 5 V/3.3 V/1.8 V/1.2 V power rails through external resistor dividers, the same MAX1030 simultaneously reports rail voltages and junction-temperature data. The 10-bit resolution delivers roughly 5 mV LSB on a 5 V full-scale range - sufficient for brown-out and over-voltage detection. The internal 4.096 V reference trims to ±1% typical, keeping supervisor thresholds consistent across the operating-temperature range.
Recommended
Front-End Digitizing for Test & Measurement Instrumentation
The MAX1030BCEG+TG002 is a good fit for the front end of compact test-and-measurement instrumentation such as handheld multimeters, bench-top data loggers, and bench oscilloscope aux-input digitizers. The 300 ksps throughput captures transient signals up to tens of kilohertz - well above the audio and low-frequency measurement bands - while the 16-channel multiplexer allows simultaneous connection of voltage, current, and temperature probes through front-end signal conditioning. The internal FIFO and scan mode free the host DSP or microcontroller from sample-by-sample interrupt overhead, supporting longer record captures. The QSOP-24 footprint fits within sub-50 mm² analog front-end layouts typical of handheld T&M equipment.
Recommended
Automotive Sensor Cluster & Cabin Electronics (Non-Safety)
The MAX1030BCEG+TG002 (commercial 0 °C to +70 °C grade) fits non-safety automotive subsystems such as body controllers, climate-control modules, infotainment aux inputs, and cabin sensor clusters where multiple analog sensors (light, humidity, position potentiometers, NTC thermistors) are aggregated. The 16 single-ended channels handle 8-12 sensor inputs through external dividers, while the internal temperature sensor monitors the module's local PCB temperature. AutoShutdown preserves quiescent current during key-off, suiting always-on sensor clusters. Note that this is the C-grade commercial part, so safety-critical automotive applications (under the hood, braking, steering) require the E-grade -40 °C to +85 °C MAX1030BEEG variant or an AEC-Q100-qualified part.
Recommended
Recommended Products Summary
Engineering reference data for MAX1030BCEG+TG002 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MAX1030BCEG+ | MAX1030BCEG+T | MAX1030BCEG-T | MAX1028CEG+ | MAX1026CEG+ |
|---|---|---|---|---|---|---|
| Package | 24-QSOP | 24-QSOP | 24-QSOP | 24-QSOP | 24-QSOP | 24-QSOP |
| Brand | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) |
| Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Sampling Rate | 300 ksps | 300 ksps | 300 ksps | 300 ksps | 300 ksps | 300 ksps |
| Single-Ended Input Channels | 8 / 16 | 8 / 16 | 8 / 16 | 8 / 16 | 4 / 8 (-50%) | 3 / 6 (-63%) |
| Internal Reference | 4.096 V | 4.096 V | 4.096 V | 4.096 V | 4.096 V | 4.096 V |
| Internal Temperature Sensor | Yes | Yes | Yes | Yes | Yes | Yes |
| AutoShutdown | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | 0 °C to +70 °C | 0 °C to +70 °C | 0 °C to +70 °C | 0 °C to +70 °C | 0 °C to +70 °C | 0 °C to +70 °C |
Key Differentiators
- Highest channel-count member of the 24-QSOP MAX1026/MAX1028/MAX1030 family (vs MAX1026CEG+)
- Same-die T&R drop-in alternative (verified pin-compatible) (vs MAX1030BCEG+T)
- Integrated FIFO reduces host microcontroller interrupt overhead (vs MAX1028CEG+)
Design Notes
Estimated: the MAX1030BCEG+TG002 draws its analog supply from AVDD (+4.75 V to +5.25 V) and its digital supply from DVDD (+2.7 V to +5.25 V). Place a 10 µF tantalum or ceramic bulk capacitor plus a 0.1 µF ceramic decoupling capacitor as close as possible to each of the AVDD and DVDD pins. The reference bypass pin (REF) requires its own 4.7 µF (or larger) low-ESR ceramic capacitor to keep the internal 4.096 V reference stable; reducing this capacitor degrades the ADC's noise performance and effective resolution. Power the analog rail from a low-noise LDO (e.g., an ADP7105 or similar) if the upstream 5 V comes from a switching converter.
Separate the analog and digital ground planes and join them at a single point beneath the AGND/DGND pins of the MAX1030BCEG+TG002. Route the 16 analog input traces as short as possible, guarded by AGND on both sides, and keep the SPI lines (SCLK, DIN, DOUT, CS) and CNVST/EOC traces away from analog input traces and the AVDD/REF copper pours. Use a 4-layer PCB stack-up with a dedicated ground plane to achieve the rated 10-bit linearity; a 2-layer board will noticeably degrade SNR and effective number of bits (ENOB) at full 300 ksps.
Do not apply analog inputs above AVDD + 0.3 V or below AGND - 0.3 V without external protection; over-voltage on any AIN pin can latch the input mux and corrupt subsequent conversions. The MAX1030BCEG+TG002 is the C-grade (0 °C to +70 °C) commercial part - do not use it in industrial or automotive under-hood applications; substitute the E-grade MAX1030BEEG (extended -40 °C to +85 °C) for those environments. When using AutoShutdown, ensure that the wake-up timing on the next CNVST falling edge matches the tWAKE specification in the datasheet, otherwise the first conversion result will be erroneous.
Compliance Information
RoHS and lead-free status per the Maxim Integrated / Analog Devices product page and DigiKey listing. The MAX1030BCEG+TG002 is the C-grade commercial part (0 °C to +70 °C) and is not AEC-Q100 qualified; for automotive applications, use the E-grade MAX1030BEEG variant. Halogen-free status not stated in the verified web data.
