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12 pcs
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12 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The AD7724ASTZ from Analog Devices is a dual seventh-order sigma-delta modulator designed for high-speed data conversion. Each modulator converts its analog input signal into a high-speed 1-bit data stream, offering a 90 dB dynamic range.
This device operates from a 5 V power supply and accepts a differential input range of 0 V to +2.5 V or ±1.25 V. It features an on-chip 2.5 V voltage reference and logic outputs that are 3 V/5 V compatible. The AD7724ASTZ is specified for operation over an industrial temperature range of -40 °C to +85 °C.
Packaged in a 48-lead LQFP, the AD7724ASTZ is suitable for surface mount applications. Its design eliminates the need for external sample-and-hold circuitry, simplifying system design. The input information is contained in the output stream as a density of ones, which can be digitally reconstructed with an appropriate digital filter.
The AD7724ASTZ has a resolution of 15 bits.
The sampling rate is 250,000 samples per second (250 kSPS).
The device requires analog and digital supplies: AVDD/DVDD at 5 V ±5% and DVDD1 at 3 V ±5%.
The operating temperature range is -40°C to +85°C.
The AD7724ASTZ is available in a 48-lead LQFP (7x7 mm) surface-mount package.
The dynamic range is 90 dB.
The AD7724ASTZ has 2 input channels.