• Product introduction

LTC2641-16

LTC2641-16 - 采用 3mm x 3mm DFN 封装的 16 位 Vout DAC

peculiarity

• Slim 3mm x 3mm 8-pin DFN package
• Maximaler 16-Bit-INL-Fehler: ±1LSB Übertemperatur
• Low supply current: 120μA
• Monotony is guaranteed over the entire temperature range
• Low 0.5nV • sec interference pulse
• 2.7V to 5.5V single-supply operation
• Fast settling time of 1μs to 16 bits
• The unbuffered voltage output drives a 60k load directly
• 50MHz SPI^TM/QSPI^TM/MICROWIRE^TMCompatible serial interface
• Power-On Reset clears DAC Output to Zero Scale (LTC2641) or Intermediate Scale (LTC2642)
• Schmitt-Trigger input for the direct optocoupler interface
• asynchronousCLRPins
• 8-Lead MSOP, 3mm × 3mm DFN and 8-Lead SO Package (LTC2641)
• 10-Lead MSOP and 3mm × 3mm DFN Package (LTC2642)

description

LTC^®Bei den DACs 2641/LTC2642 handelt es sich um 16-, 14- und 12-Bit-DACs mit ungepuffertem Spannungsausgang. Diese D/A-Wandler arbeiten mit einer einzigen 2,7-V- bis 5,5-V-Versorgung und sind garantiert monoton bei Temperatur. Der LTC2641A-16/LTC2642A-16 bietet eine 16-Bit-Leistung (±1LSB INL und ±1LSB DNL) über Temperatur. Der ungepufferte DAC-Ausgang führt zu einem niedrigen Versorgungsstrom von 120 μA und einem geringen Offset-Fehler von ±1LSB.

The LTC2641 and LTC2642 each have a 2V to V_DDThe reference input range of . V_OUTThe swing is 0V to V_REF。 For bipolar operation, the LTC2642 includes matching resistors for an external precision op amp such as the LT1678 and at R_FByields an ±V_REFOutput swing.

THE LTC2641/LTC2642 USE A SIMPLE SPI/MICROWIRE COMPATIBLE 3-WIRE SERIAL INTERFACE THAT CAN OPERATE AT CLOCK RATES UP TO 50UMHz and can be connected directly to optocouplers for applications requiring isolation. At initial power-up, the power-on reset circuit clears the DAC output of the LTC2641 to zero scale and the DAC output of the LTC2642 to the middle scale.CLRA logic low on the pin will asynchronously clear the DAC to zero scale (LTC2641) or intermediate scale (LTC2642). These DACs are available in the range of commercial and industrial specifications.

apply

• High-resolution offset and gain adjustment
• Process control and industrial automation
• Automatic test equipment
• Data acquisition system