MAX1132

16-Bit ADC, 200ksps, 5V Single-Supply with Reference


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Description

The MAX1132/MAX1133 are 200ksps, 16-bit ADCs. These serially interfaced ADCs connect directly to SPI™, QSPI™, and MICROWIRE™ devices without external logic. They combine an input scaling network, internal track/hold, clock, a +4.096V reference, and three general-purpose digital output pins (for external multiplexer or PGA control) in a 20-pin SSOP package. The excellent dynamic performance (SINAD > 85dB), high-speed (200ksps), and low power (7.5mA) of these ADCs, make them ideal for applications such as industrial process control, instrumentation, and medical applications. The MAX1132 accepts input signals of 0 to +12V (unipolar) or ±12V (bipolar), while the MAX1133 accepts input signals of 0 to +4.096V (unipolar) or ±4.096V (bipolar). Operating from a single +4.75V to +5.25V analog supply and a +4.75V to +5.25V digital supply, power-down modes reduce current consumption to 1mA at 10ksps and further reduce supply current to less than 20µA at slower data rates. A serial strobe output (SSTRB) allows direct connection to the TMS320 family of digital signal processors. The MAX1132/MAX1133 user can select either the internal clock, or an external serial-interface clock for the ADC to perform analog-to-digital conversions.

The MAX1132/MAX1133 feature internal calibration circuitry to correct linearity and offset errors. On-demand calibration allows the user to optimize performance. Three user-programmable logic outputs are provided for the control of an 8-channel mux or a PGA.
MAX1132, MAX1133: Typical Application Circuit MAX1132, MAX1133: Typical Application Circuit Enlarge+

Key Features

  • 200ksps (bipolar) and 150ksps (unipolar) Sampling ADC
  • 16-Bits, No Missing Codes
  • 1.5 LSB INL Guaranteed
  • 85dB (min) SINAD
  • +5V Single-Supply Operation
  • Low-Power Operation, 7.5mA (Unipolar Mode)
  • 2.5µA Shutdown Mode
  • Software-Configurable Unipolar and Bipolar Input Ranges
    • 0 to +12V and ±12V (MAX1132)
    • 0 to +4.096V and ±4.096V (MAX1133)
    • Internal or External Reference
  • Internal or External Clock
  • SPI/QSPI/MICROWIRE-Compatible Serial Interface
  • Three User-Programmable Logic Outputs
  • Small, 20-Pin SSOP Package

Applications/Uses

  • Data Acquisition
  • Industrial I/O Modules
  • Industrial Process Controls
  • Medical Instruments
  • Portable Battery-Powered Equipment
Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputInternal VREF
(V)
External VREF
(V)
External VREF
(V)
Unipolar VIN
(V)
Bipolar VIN
(±V)
SNR
(dB)
THD
(dB)
INL
(±LSB)
Package/PinsBudgetary
Price
ADCmaxnominalminmaxmaxmaxSee Notes
MAX1132 161200SARSPIS.E. Only4.09634.2121292-921
SSOP/20
$28.08 @500
MAX1133 4.0964.096
SSOP/20
$32.61 @1k
See All Precision ADCs (< 5Msps) (444)
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.


MAX1132EVC16: Evaluation Kit/Evaluation System for the MAX1132 and MAX1133
MAX1132EVKIT: Evaluation Kit/Evaluation System for the MAX1132 and MAX1133

CAD Symbols and Footprints

  • MAX1132BCAP+
  • MAX1132BEAP+
  • 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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