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LTC1654

Features: ` 14-Bit Monotonic Over Temperature` Individually Programmable Speed/Power: 3.5ms Settling Time at 750A 8ms Settling Time at 450A` Maximum Update Rate: 0.9MHz` Smallest Dual 14-Bit DAC: 16-Lead Narrow SSOP Package` Buffered True Rail-to-Rail Voltage Outputs` 3V to 5V Single Supply Opera...

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SeekIC No. : 004401773 Detail

LTC1654: Features: ` 14-Bit Monotonic Over Temperature` Individually Programmable Speed/Power: 3.5ms Settling Time at 750A 8ms Settling Time at 450A` Maximum Update Rate: 0.9MHz` Smallest Dual 14-Bit DAC: 1...

LTC1654 Data Sheet

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Part Number:
LTC1654
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/24

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Product Details

Description



Features:

` 14-Bit Monotonic Over Temperature
` Individually Programmable Speed/Power:
    3.5ms Settling Time at 750A
    8ms Settling Time at 450A
` Maximum Update Rate: 0.9MHz
` Smallest Dual 14-Bit DAC: 16-Lead Narrow SSOP Package
` Buffered True Rail-to-Rail Voltage Outputs
` 3V to 5V Single Supply Operation
` User Selectable Gain
` Power-On Reset and Clear Function
` Schmitt Trigger On Clock Input Allows Direct Optocoupler Interface


Application

· Digital Calibration
· Industrial Process Control
· Automatic Test Equipment
· Offset/Gain Adjustment


Pinout

Connection Diagram


Specifications

VCC to GND ............................................ 0.5V to 7.5V
TTL Input Voltage, REFHI,
REFLO, X1/X1/2 ..................................... 0.5V to 7.5V
VOUT, SDO ............................... 0.5V to (VCC + 0.5V)
Operating Temperature Range
   LTC1654C ................................................ 0 to 70
   LTC1654I ........................................ ....40 to 85
Maximum Junction Temperature .......................... 125
Storage Temperature Range ............... 65 to 150
Lead Temperature (Soldering, 10 sec).................. 300


Description

The LTC®1654 is a dual, rail-to-rail voltage output, 14-bit digital-to-analog converter (DAC). It is available in a
16-lead narrow SSOP package, making it the smallest dual 14-bit DAC available. It includes output buffer amplifiers and a flexible serial interface.

The LTC1654 has REFHI pins for each DAC that can be driven up to VCC. The output will swing from 0V to VCC in gain of 1 configuration or VCC/2 in gain of 1/2 configuration. It operates from a single 2.7V to 5.5V supply.

The LTC1654 has two programmable speeds: a FAST and SLOW mode with ±1LSB settling times of 3.5ms or 8ms
respectively and supply currents of 750mA and 450mA in the two modes. The LTC1654 also has shutdown capability, power-on reset and clear function to 0V.




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