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MAX1247ACEE

MAX1247ACEE Description

The MAX1247ACEE is a 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated. Designed for precision measurement applications, it features a 133k samples per second (SPS) sampling rate, supporting both single-ended and differential inputs with 2 or 4 input channels. Operating from a 2.7V to 5.25V dual supply, it integrates an SPI-compatible interface for seamless communication with microcontrollers or DSPs. The device is housed in a 16-pin QSOP package, making it suitable for space-constrained designs. Although marked as obsolete, it remains relevant for legacy systems requiring high-accuracy, low-power ADCs with external reference flexibility.

MAX1247ACEE Features

• 12-bit resolution with 1:1 sample-and-hold (S/H) to ADC ratio for accurate signal capture.
• SPI interface ensures easy integration with digital systems.
• Wide supply range (2.7V–5.25V analog/digital) accommodates mixed-voltage environments.
• Differential/single-ended inputs enhance noise immunity in industrial environments.
• 133kSPS throughput balances speed and power efficiency.
• External reference support enables customization for precision applications.
• 16-QSOP surface-mount package optimizes board space.
• REACH compliant and MSL 1 (unlimited) for robust handling.

MAX1247ACEE Applications

• Industrial automation: Process control, sensor interfacing, and data acquisition systems.
• Medical devices: Portable monitoring equipment requiring low-power, high-resolution ADCs.
• Consumer electronics: Battery-powered devices with precision measurement needs.
• Legacy system maintenance: Replacing older ADCs in existing designs due to pin compatibility.
• Test and measurement: High-speed signal analysis with moderate accuracy requirements.

Conclusion of MAX1247ACEE

The MAX1247ACEE delivers a cost-effective, high-performance ADC solution for applications demanding 12-bit resolution, flexible input configurations, and SPI compatibility. While obsolete, its low-power operation, wide voltage range, and robust packaging make it a viable choice for legacy upgrades or niche designs. Engineers valuing precision, integration ease, and compact footprints will find it suitable for industrial, medical, and consumer applications. For new designs, consider modern alternatives with enhanced features, but the MAX1247ACEE remains a reliable option for specific use cases.