MAX1060AEEI+ - 400ksps 10-Bit 8-Ch SAR ADC | Maxim Integrated
料号： MAX1060AEEI+ ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.11 | $4.11 |
| 10 | $3.85 | $38.50 |
| 100 | $3.42 | $342.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.71 | $2,710.00 |
MAX1060AEEI+ 概述
A SAR ADC (Successive-Approximation Register Analog-to-Digital Converter) is a type of data converter that converts an analog input voltage into a digital code using a binary search algorithm against an internal precision reference. SAR ADCs occupy the middle tier of the ADC taxonomy - faster than integrating ADCs (such as dual-slope), more accurate and lower-noise than flash ADCs at moderate resolution, and well suited to multiplexed multi-channel systems where one ADC serves several sensors. They sit within the broader data-converter family (SAR, sigma-delta, pipeline, dual-slope) used in data acquisition, instrumentation, and process control.
Key features include 400 ksps throughput, 4/8 analog input channels selected via on-chip MUX, integrated +2.5V reference (stable over temperature), automatic power-down between conversions for reduced quiescent draw, 2 microsecond wake-up time, parallel byte-wide digital output, and single +5V analog supply operation. The internal reference eliminates an external reference component and minimizes PCB area. Channel flexibility (4 or 8 inputs software-configurable) supports applications requiring multiple sensor readings per scan.
The MAX1060 uses an internal charge-redistribution DAC array and precision comparator to implement its SAR conversion. The architecture delivers no-pipeline-delay sampling and inherent single-shot accuracy, making the part suitable for multiplexed systems where channel-to-channel settling must be deterministic. Internal input track-and-hold supports signals up to the Nyquist limit of the 400 ksps sampling rate, and the integrated reference removes drift concerns in cost-sensitive designs.
Typical applications include portable and battery-powered data loggers, industrial process-control front ends, multi-sensor instrumentation, patient-monitoring medical devices, and pen-digitizer/tablet digitizing systems. The wide channel count and integrated reference suit any multi-channel 5V analog signal chain.
When designing with this device, ensure the analog input range stays within the recommended common-mode window of the +5V supply and that adequate decoupling (typically 0.1 uF plus 10 uF bulk) is placed close to AVDD and DVDD pins. The internal +2.5V reference requires no external bypass but the supply pins do. Power-down mode should be used aggressively between conversions in battery applications to maximize runtime.
直接替换替代料： MAX1060AEEI+ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
MAX1060BCEI+
✅ 直接替换📋 参考替代料（不在目录中）
MAX1060AEEI
✅ 直接替换📋 参考替代料（不在目录中）
MAX1060AEEI-T
✅ 直接替换📋 参考替代料（不在目录中）
MAX1060BCEI
✅ 直接替换📋 参考替代料（不在目录中）
MAX1061CEE
✅ 直接替换📋 参考替代料（不在目录中）
MAX1060AEEI+ 最大额定值与电气特性
| 分辨率 | 10 bit |
| 采样率 | 400 ksps |
| Number of Channels | 4 / 8 (input MUX) |
| Architecture | SAR (Successive Approximation) |
| Input Type | Single-Ended |
| Supply Voltage (Analog) | +5 V |
| Internal Reference | +2.5 V |
| 接口 | Parallel (byte-wide) |
| Number of ADC Channels | 1 functional ADC, 4/8 input multiplexer |
| Wake-Up Time | 2 microseconds |
| Power-Down Mode | Automatic (between conversions) |
| 封装 | 28-pin QSOP |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
MAX1060AEEI+ 引脚配置
| 引脚 1 | AIN0 — Analog Input Channel 0 |
| 引脚 2 | AIN1 — Analog Input Channel 1 |
| 引脚 3 | AIN2 — Analog Input Channel 2 |
| 引脚 4 | AIN3 — Analog Input Channel 3 |
| 引脚 5 | AIN4 — Analog Input Channel 4 |
| 引脚 6 | AIN5 — Analog Input Channel 5 |
| 引脚 7 | AIN6 — Analog Input Channel 6 |
| 引脚 8 | AIN7 — Analog Input Channel 7 |
| 引脚 9 | AGND — Analog Ground |
| 引脚 10 | REF — Reference Voltage Input/Output (+2.5V internal) |
| 引脚 11 | AVDD — Analog Supply (+5V) |
| 引脚 12 | DVDD — Digital Supply (+5V) |
| 引脚 13 | DGND — Digital Ground |
| 引脚 14 | CS — Chip Select (active low) |
| 引脚 15 | RD — Read Input (active low) |
| 引脚 16 | HBEN — High Byte Enable |
| 引脚 17 | D7 — Data Output Bit 7 (MSB) |
| 引脚 18 | D6 — Data Output Bit 6 |
| 引脚 19 | D5 — Data Output Bit 5 |
| 引脚 20 | D4 — Data Output Bit 4 |
| 引脚 21 | D3 — Data Output Bit 3 |
| 引脚 22 | D2 — Data Output Bit 2 |
| 引脚 23 | D1 — Data Output Bit 1 |
| 引脚 24 | D0 — Data Output Bit 0 (LSB) |
| 引脚 25 | A0 — Channel Address Bit 0 |
| 引脚 26 | A1 — Channel Address Bit 1 |
| 引脚 27 | A2 — Channel Address Bit 2 |
| 引脚 28 | PD — Power-Down Control |
典型应用
MAX1060AEEI+ 适用于 6 应用s: Portable Data Logger, Industrial Process Control Front End, Multi-Sensor Instrumentation, Patient Monitoring Medical Device, Pen-Digitizer / Tablet Digitizing System, Rack-Mount Data Acquisition Module.
Portable Data Logger
The MAX1060AEEI+ suits battery-powered multi-channel data loggers where low power and small PCB area matter. Its 400 ksps SAR core captures up to 8 single-ended sensor inputs sequentially through the on-chip MUX, while automatic power-down between conversions drops quiescent current to microamp levels - critical for extending runtime on coin-cell or Li-ion power. The integrated +2.5V reference removes one external component, further shrinking BOM. Engineers typically pair it with a low-power MCU and SD-card storage for portable environmental or industrial monitoring. The 28-pin QSOP footprint is small enough for handheld enclosures, yet the parallel interface enables fast burst-mode data capture at full 400 ksps throughput.
推荐
Industrial Process Control Front End
The MAX1060AEEI+ fits industrial PLC and process-control analog input modules that need to scan multiple 4-20 mA or 0-5V sensor signals. Its 4/8-channel input multiplexer accepts standard industrial signal ranges when paired with current-sense or voltage-divider front ends, and the 10-bit resolution provides 4.88 mV per LSB at 5V full-scale - adequate for general-purpose monitoring of temperature, pressure, and flow transducers. The +5V single-supply operation matches industrial 5V rails commonly available in PLC backplanes. The parallel byte interface connects directly to PLC CPUs or FPGAs for deterministic scan timing, critical for closed-loop control loops where conversion latency must be predictable.
推荐
Multi-Sensor Instrumentation
The MAX1060AEEI+ is a natural fit for bench-top and laboratory instruments that aggregate multiple analog signals - strain gauges, thermocouples via front-end amplifiers, photodiodes, and bridge sensors. The 8-channel MUX lets one ADC digitize an entire instrument's analog frontend, while the integrated +2.5V reference and 2 microsecond wake-up time support fast scan rates during burst acquisition. The 28-pin QSOP package leaves sufficient board space for analog front-end conditioning circuits. Engineers benefit from the SAR architecture's deterministic single-shot latency, which simplifies triggering logic when capturing transient signals.
推荐
Patient Monitoring Medical Device
The MAX1060AEEI+ supports medical patient-monitoring equipment such as multi-parameter bedside monitors that digitize ECG, SpO2, respiration, and temperature signals from a single mixed-signal board. The 8-channel input multiplexer handles multiple electrode and sensor inputs sequentially, and the SAR core provides deterministic single-shot conversion with no pipeline delay - critical for capturing fast ECG transients accurately. The integrated +2.5V reference and small QSOP package minimize board area, important for compact patient-wearable designs. Battery-powered variants benefit from the automatic power-down mode that reduces current between conversion cycles.
推荐
Pen-Digitizer / Tablet Digitizing System
The MAX1060AEEI+ suits pen-digitizer and graphics-tablet front ends that capture position and pressure signals from a stylus sensor array. Its 400 ksps sampling rate handles multi-axis position data from the digitizer surface while the 8-channel MUX reads pressure, tilt, and tip-switch sensors concurrently. The deterministic SAR latency ensures each sample pair is captured at a precise moment, eliminating jitter artifacts in the digitizing path. The +5V supply matches typical digitizer-controller rails, and the QSOP package integrates easily beneath the sensor overlay. The internal reference removes one component from the bill of materials.
推荐
Rack-Mount Data Acquisition Module
The MAX1060AEEI+ fits 19-inch rack-mounted DAQ modules used in test systems and laboratory automation. The 28-pin QSOP allows dense PCB layouts with multiple ADC channels per module, while the 400 ksps throughput supports simultaneous multi-channel scans at moderate rates. The +5V supply aligns with standard backplane voltages, and the parallel interface links directly to FPGAs for high-speed data aggregation. With 8 channels per chip, a single board can host several MAX1060AEEI+ devices for high-density DAQ. The automatic power-down reduces thermal load in densely packed rack systems.
推荐
推荐产品汇总
工程参考数据： MAX1060AEEI+ ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MAX1060BCEI+ | MAX1060AEEI | MAX1060AEEI-T | MAX1060BCEI | MAX1061CEE |
|---|---|---|---|---|---|---|
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Package | 28-pin QSOP | 28-pin QSOP - same | 28-pin QSOP - same | 28-pin QSOP - same | 28-pin QSOP - same | 28-pin QSOP - same |
| Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Sampling Rate | 400 ksps | 400 ksps | 400 ksps | 400 ksps | 400 ksps | 400 ksps |
| Input Channels | 4/8 (MUX) | 4/8 (MUX) | 4/8 (MUX) | 4/8 (MUX) | 4/8 (MUX) | 4/8 (MUX) |
| Supply Voltage | +5V | +5V | +5V | +5V | +5V | +3V |
| Internal Reference | +2.5V | +2.5V | +2.5V | +2.5V | +2.5V | +2.5V |
| Interface | Parallel (byte-wide) | Parallel (byte-wide) | Parallel (byte-wide) | Parallel (byte-wide) | Parallel (byte-wide) | Parallel (byte-wide) |
| Linearity Grade | A grade | B grade | A grade | A grade | B grade | A grade |
关键差异点
- Integrated +2.5V reference reduces BOM by one component （对比 MAX1061CEE (+3V variant of same family))
- A grade linearity for tighter INL/DNL （对比 MAX1060BCEI+ (B grade variant))
- RoHS-compliant lead-free finish （对比 MAX1060AEEI (non-'+' variant))
设计说明
The MAX1060AEEI+ requires separate analog (AVDD) and digital (DVDD) +5V supplies. Place a 0.1 microfarat ceramic plus 10 microfarat tantalum bulk capacitor within 5 mm of each supply pin, with the ground return of each capacitor tied directly to the corresponding GND pin (AGND for AVDD, DGND for DVDD). Sharing the supply trace between AVDD and DVDD without adequate filtering couples digital switching noise into the analog reference, degrading effective resolution. Use separate power planes or at minimum a ferrite bead between AVDD and DVDD rails for best noise performance.
Ensure analog input signals remain within the absolute maximum ratings (AGND - 0.3V to AVDD + 0.3V) at all times, including transient overshoot. Inputs that briefly exceed AVDD can forward-bias internal ESD diodes and inject charge into the reference, corrupting subsequent conversions. Add external series resistance and clamping diodes if the source can overshoot. Also verify the input MUX address bus settles before the conversion start - latched address bits during a conversion can cause channel cross-talk and degraded linearity.
Route the 8 analog input traces as matched-length differential pairs or guarded single-ended traces, with ground shielding on both sides, to minimize channel-to-channel crosstalk. Keep digital output traces (D0-D7) and control lines (CS, RD, HBEN) away from analog input traces, with a continuous ground plane separating them. The 28-pin QSOP package requires thermal relief pads under the leads for proper soldering; do not use thermal vias under the part itself unless the part has an exposed pad - the QSOP MAX1060AEEI+ does not.
合规信息
RoHS compliant per Maxim/Analog Devices product page (the '+' suffix indicates RoHS-compliant lead-free finish). Not AEC-Q100 qualified (industrial-grade IC). REACH compliance per Maxim standard declaration. Conflict-minerals declaration per Maxim standard CMRT.
