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MAX153 - 1Msps / P-Compatible / 8-Bit ADC

General Description

The MAX153 high-speed, microprocessor (µP)-compatible, 8-bit analog-to-digital converter (ADC) uses a half-flash technique to achieve a 660ns conversion time, and digitizes at a rate of 1M samples per second (Msps).

Key Features

  • 660ns Conversion Time.
  • Power-Up/Power-Down in 200ns.
  • Internal Track/Hold.
  • 1Msps Throughput.
  • Low Power 40mW (Operating Mode) 5µW (Power-Down Mode).
  • 1MHz Full-Power Bandwidth.
  • 20-Pin Narrow DIP, SO, and SSOP Packages.
  • No External Clock Required.
  • Unipolar/Bipolar Inputs.
  • Single +5V or Dual ±5V Supplies.
  • Ratiometric Reference Inputs Functional Diagram VREF+ 12 VREF- 11 VIN 1 VDD 20 4-BIT FLASH ADC 4-BIT DAC VREF+ 16 4-BIT FLASH ADC (4 LS.

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MAX153 1Msps, µP-Compatible, 8-Bit ADC with 1µA Power-Down General Description The MAX153 high-speed, microprocessor (µP)-compatible, 8-bit analog-to-digital converter (ADC) uses a half-flash technique to achieve a 660ns conversion time, and digitizes at a rate of 1M samples per second (Msps). It operates with single +5V or dual ±5V supplies and accepts either unipolar or bipolar inputs. A POWERDN (power-down) pin reduces current consumption to a typical value of 1µA (with 5V supply). The part returns from power-down to normal operating mode in less than 200ns, providing large reductions in supply current in applications with burstmode input signals. The MAX153 is DC and dynamically tested.