MAX153

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


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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. 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.

MAX153: Functional Diagram MAX153: Functional Diagram Enlarge+

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

Applications/Uses

  • Battery-Powered Systems
  • Burst-Mode Data Acquisition
  • Cellular Telephones
  • Digital-Signal Processing
  • High-Speed Servo Loops
  • Portable Radios
  • Telecommunications
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
MAX153 811000SARµP/8S.E. Only-2.52.55-50
PDIP/20
SOIC (W)/20
SSOP/20
$4.86 @1k
See All Precision ADCs (< 5Msps) (464)
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.

Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

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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