MAX11253
16-Bit, 6-Channel, 64ksps, 6.2nV/√Hz PGA, Delta-Sigma ADC with SPI Interface
16-Bit Delta-Sigma ADC Offers 4x Less Power with Superior Noise Performance
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Overview
Features and Benefits
- High Resolution for Industrial Applications that
Require a Wide Dynamic Range
- 98dB SNR at 1000sps
- Longer Battery Life for Portable Applications
- 2.2mA Operating Mode Current
- 1μA Sleep Current
- Single or Split Analog Supplies Provide Input Voltage
Range Flexibility
- 2.7V to 3.6V (Single Supply) or ±1.8V (Split Supply)
- Enables System Integration
- Low Noise, 6.2nV/√Hz PGA with Gains of 1, 2, 4, 8, 16, 32, 64, 128
- 6-Channel, Fully Differential Input
- Enables On-Demand Device and System Gain and
Offset Calibration
- User-Programmable Offset and Gain Registers
- Robust Performance in a Small Package
- -40°C to +125°C Operating Temperature Range
- TQFN Package, 5mm x 5mm
Product Details
The MAX11253 is a 6-channel, 16-bit delta-sigma ADC that achieves exceptional performance while consuming very low power. Sample rates up to 64ksps allow precision DC measurements. The MAX11253 communicates via a SPI serial interface and is available in a small (5mm x 5mm) TQFN package.
The MAX11253 offers a 6.2nV/√Hz noise programmable gain amplifier (PGA) with gain settings from 1x to 128x. The integrated PGA provides isolation of the signal inputs from the switched capacitor sampling network. The PGA also enables the MAX11253 to interface directly with high-impedance sources without compromising available dynamic range.
The MAX11253 operates from a single 2.7V to 3.6V analog supply, or split ±1.8V analog supplies, allowing the analog input to be sampled below ground. The digital supply range is 1.7V to 2.0V or 2.0V to 3.6V, allowing communication with 1.8V, 2.5V, 3V, or 3.3V logic.
Applications
- Analog I/O for Programmable Logic Controllers
- Battery-Powered Instrumentation
- Pressure Sensors
- Weigh Scales
Product Categories
Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (2)
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IBIS Models
IBS
MAX11253 IBIS Model
194.83K
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