MX7575

CMOS, µP Compatible, 5µs/10µs, 8-Bit ADCs


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Description

Maxim's MX7575/MX7576 are high-speed (5µs/10µs), microprocessor (µP) compatible, 8-bit analog-to-digital converters (ADCs). The MX7575 provides an on-chip track/hold function that allows full-scale signals up to 50kHz (386mV/µs slew rate) to be acquired and digitized accurately. Both ADCs use a successive-approximation technique to achieve their fast conversions and low power dissipation. The MX7575/MX7576 operate with a +5V supply and a 1.23V external reference. They accept input voltages ranging from 0V to 2VREF.

The MX7575/MX7576 are easily interfaced to all popular 8-bit µPs through standard CS and RD control signals. These signals control conversion start and data access. A BUSY signal indicates the beginning and end of a conversion. Since all the data outputs are latched and three-state buffered, the MX7575/MX7576 can be directly tied to a µP data bus or system l/O port.

Maxim also makes the MAX165, a plug-in replacement for the MX7575 with an internal 1.23V reference. For applications that require a differential analog input and an internal reference, the MAX166 is recommended.
MX7575, MX7576: Pin Configuration MX7575, MX7576: Pin Configuration Enlarge+

Key Features

  • Fast Conversion Time:
    • 5µs (MX7575)
    • 10µs (MX7576)
  • Built-In Track/Hold Function (MX7575)
  • Low Total Unadjusted Error (±1LSB max)
  • 50kHz Full-Power Signal Bandwidth (MX7575)
  • Single +5V Supply Operation
  • 8-Bit µP Interface
  • 100ns Data-Access Time
  • Low Power: 15mW
  • Small-Footprint Packages

Applications/Uses

  • Audio Systems
  • Digital Signal Processing (DSP)
  • High-Speed Data Acquisition
  • High-Speed Servo Loops
  • Low-Power Data Loggers
  • Telecommunications

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


Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputInternal VREF
(V)
Unipolar VIN
(V)
SNR
(dB)
INL
(±LSB)
Package/PinsBudgetary
Price
ADCmaxnominalmaxSee Notes
MX7575 81200SARµP/8S.E. Only1.232.64451
DICE SALES/N
PDIP/18
PLCC/20
SOIC (W)/18
$5.82 @1k
MX7576 100
PDIP/18
PLCC/20
SOIC (W)/18
$7.99 @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.
Request Reliability Report for: MX7575 
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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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