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MAX153：1Msps, µP Compatible, 8-Bit ADC with 1µA Power Down

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. An active-low 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 burst-mode input signals. The MAX153 is DC and dynamically tested. Its µP interface appears as a memory location or input/output port that requires no external interface logic. The data outputs use latched, three-state buffered circuitry for direct connection to a µP data bus or system input port. The ADC’s input/reference arrangement enables ratiometric operation.

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

MAX153: Functional Diagram Applications/Uses Battery-Powered Systems Burst-Mode Data Acquisition Cellular Telephones Digital-Signal Processing High-Speed Servo Loops Portable Radios Telecommunications

DataSheet

Parametrics

Quality and Environmental Data

• MAX153.pdf

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