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LTC1821

Features: 2µs Settling to 0.0015% for 10V Step1LSB Max DNL and INL Over Industrial Temperature RangeOn-Chip 4-Quadrant Resistors Allow Precise 0V to 10V, 0V to 10V or ±10V OutputsLow Glitch Impulse: 2nV•sLow Noise: 13nV/Hz36-Lead SSOP PackagePower-On ResetAsynchronous Clear PinLTC1821:...

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LTC1821: Features: 2µs Settling to 0.0015% for 10V Step1LSB Max DNL and INL Over Industrial Temperature RangeOn-Chip 4-Quadrant Resistors Allow Precise 0V to 10V, 0V to 10V or ±10V OutputsLow Glitch Im...

LTC1821 Data Sheet

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Part Number:
LTC1821
Supply Ability:
5000

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

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Product Details

Description



Features:

2µs Settling to 0.0015% for 10V Step
1LSB Max DNL and INL Over Industrial Temperature Range
On-Chip 4-Quadrant Resistors Allow Precise 0V to 10V, 0V to 10V or ±10V Outputs
Low Glitch Impulse: 2nV•s
Low Noise: 13nV/Hz
36-Lead SSOP Package
Power-On Reset
Asynchronous Clear Pin
LTC1821: Reset to Zero Scale
LTC1821-1: Reset to Midscale


Application

Process Control and Industrial Automation
Precision Instrumentation
Direct Digital Waveform Generation
Software-Controlled Gain Adjustment
Automatic Test Equipment


Pinout

Connection Diagram


Specifications

VCC to AGNDF, AGNDS ...............................   0.3V to 7V
VCC to DGND ..............................................   0.3V to 7V
Total Supply Voltage (V+ to V) ............................... 36V
AGNDF, AGNDS to DGND .............................   VCC + 0.3V
DGND to AGNDF, AGNDS .............................   VCC + 0.3V
REF, RCOM to AGNDF, AGNDS, DGND ..................     ±15V
ROFS, RFB, R1, to AGNDF, AGNDS, DGND ............     ±15V
Digital Inputs to DGND ...............    0.3V to (VCC + 0.3V)
IOUT to AGNDF, AGNDS...............    0.3V to (VCC + 0.3V)
Maximum Junction Temperature ..........................   150°C
Operating Temperature Range
LTC1821C/LTC1821-1C..........................        0°C to 70°C
LTC1821I/LTC1821-1I .......................        40°C to 85°C
Storage Temperature Range ................  65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................   300°C


Description

The LTC® 1821 is a parallel input 16-bit multiplying voltage output DAC that operates from analog supply voltages of ±5V up to ±15V. INL and DNL are accurate to 1LSB over the industrial temperature range in both unipolar 0V to 10V and bipolar ±10V modes. Precise 16-bit bipolar ±10V outputs are achieved with on-chip 4-quadrant multiplication resistors. The LTC1821 is available in a 36-lead SSOP package and is specified over the industrial temperature range.

The device includes an internal deglitcher circuit that reduces the glitch impulse to less than 2nV•s (typ). The LTC1821 settles to 1LBS in 2µs with a full-scale 10V step. The combination of fast, precise settling and ultra low glitch make the LTC1821 ideal for precision industrial control applictions.




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