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MAX1338 - Simultaneous-Sampling ADC

Description

The MAX1338 14-bit, analog-to-digital converter (ADC) offers four simultaneously sampled, fully differential input channels, with independent track-and-hold (T/H) circuitry for each channel.

The input channels are individually software programmable for input ranges of ±10V, ±5V, ±2.5V, and ±1.25V.

Features

  • two power-saving modes: standby mode and shutdown mode. Standby mode allows rapid wake-up and reduces quiescent current to 4mA (typ), and shutdown mode reduces sleep current to less than 10µA (typ). The MAX1338 is available in an 8mm x 8mm x 0.8mm, 56-pin, thin QFN package. The device operates over the extended -40°C to +85°C temperature range.
  • 150ksps Sample Rate per Channel.
  • All Four Input Channels Simultaneously Sampled 16ns Aperture Delay 100ps Aperture-Delay Matching.

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Full PDF Text Transcription

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www.DataSheet4U.com 19-3151; Rev 1; 7/04 14-Bit, 4-Channel, Software-Programmable, Multiranging, Simultaneous-Sampling ADC General Description The MAX1338 14-bit, analog-to-digital converter (ADC) offers four simultaneously sampled, fully differential input channels, with independent track-and-hold (T/H) circuitry for each channel. The input channels are individually software programmable for input ranges of ±10V, ±5V, ±2.5V, and ±1.25V. The input channels feature fault tolerance to ±17V. The internal T/H circuits have a 16ns aperture delay and 100ps aperture-delay matching. A 14-bit parallel bus provides the conversion result with a maximum per-channel output rate of 150ksps (600ksps for all four channels). The MAX1338 has an on-board oscillator and 2.5V internal reference.
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