MAX152

3V, 8-Bit ADC with 1µA Power Down


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Description

The MAX152 high-speed, microprocessor (µP)-compatible, 8-bit analog-to-digital converter (ADC) uses a half-flash technique to achieve a 1.8µs conversion time, and digitizes at a rate of 400k samples per second (ksps). It operates with single +3V or dual ±3V supplies and accepts either unipolar or bipolar inputs.

A POWERDOWN-bar pin reduces current consumption to a typical value of 1µA. The part returns from power-down and acquires an input signal in less than 900ns, providing large reductions in supply current in applications with burst-mode input signals.

The MAX152 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. A fully-assembled evaluation kit provides a proven PC board layout to speed prototyping and design.
MAX152: Functional Diagram MAX152: Functional Diagram Enlarge+

Key Features

  • Single +3.0V to +3.6V Supply
  • 1.8µs Conversion Time
  • Power-Up in 900ns
  • Internal Track/Hold
  • 400ksps Throughput
  • Low Power:
    • 1.5mA (Operating Mode)
    • 1µA (Power-Down Mode)
  • 300kHz Full-Power Bandwidth
  • 20-Pin DIP, SO and SSOP Packages
  • No External Clock Required
  • Unipolar/Bipolar Inputs
  • Ratiometric Reference Inputs
  • 2.7V Version Available -Contact Factory

Applications/Uses

  • Audio Systems
  • Battery-Powered Applications
  • Burst Mode® Data Acquisition
  • Digital Signal Processing (DSP)
  • High-Speed Servo Loops
  • Portable Radios
  • Telecommunications

See parametric specs for Precision ADCs (< 5Msps) (437)


Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputExternal VREF
(V)
External VREF
(V)
Bipolar VIN
(±V)
THD
(dB)
Package/PinsBudgetary
Price
ADCmaxminmaxmaxSee Notes
MAX152 81400SARµP/8S.E. Only033.6-50
PDIP/20
SOIC (W)/20
SSOP/20
$5.10 @1k

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAX152EVKIT: Evaluation Kit for the MAX152
Request Reliability Report for: MAX152 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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