8-Bit, 0.1 us Dual MDAC, Parallel Input, Fast Control Signalling for DSP, Easy Micro I/F - TLC7528

TLC7528 (ACTIVE)

8-Bit, 0.1 us Dual MDAC, Parallel Input, Fast Control Signalling for DSP, Easy Micro I/F

 

Description

The TLC7528C, TLC7528E, and TLC7528I are dual, 8-bit, digital-to-analog converters (DACs) designed with separate on-chip data latches and feature exceptionally close DAC-to-DAC matching. Data is transferred to either of the two DAC data latches through a common, 8-bit, input port. Control input DACA/DACB determines which DAC is to be loaded. The load cycle of these devices is similar to the write cycle of a random-access memory, allowing easy interface to most popular microprocessor buses and output ports. Segmenting the high-order bits minimizes glitches during changes in the most significant bits, where glitch impulse is typically the strongest.

These devices operate from a 5V to 15V power supply and dissipates less than 15 mW (typical). The 2- or 4-quadrant multiplying makes these devices a sound choice for many microprocessor-controlled gain-setting and signal-control applications. It can be operated in voltage mode, which produces a voltage output rather than a current output. Refer to the typical application information in this data sheet.

The TLC7528C is characterized for operation from 0°C to 70°C. The TLC7528I is characterized for operation from -25°C to 85°C. The TLC7528E is characterized for operation from -40°C to 85°C.

Features

  • Easily Interfaced to Microprocessors
  • On-Chip Data Latches
  • Monotonic Over the Entire A/D Conversion Range
  • Interchangeable With Analog Devices AD7528 and PMI PM-7528
  • Fast Control Signaling for Digital Signal Processor (DSP) Applications Including Interface With TMS320
  • Voltage-Mode Operation
  • CMOS Technology

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Parametrics Compare all products in Precision DACs (=<10MSPS)

 
Resolution (Bits)
DAC Channels
DAC Architecture
Interface
Output Type
Output Range Min. (mA/V)
Output Range Max. (mA/V)
Settling Time (µs)
Reference: Type
Rating
Pin/Package
Operating Temperature Range (C)
Features
TLC7528 TLC7225 TLC7226 TLC7226M TLC7524 TLC7628
8    8    8    8    8    8   
2    4    4    4    1    2   
Multiplying DAC    R-2R    R-2R    R-2R    Multiplying DAC    Multiplying DAC   
Parallel    Parallel    Parallel    Parallel    Parallel    Parallel   
Unbuffered Current    Buffered Voltage    Buffered Voltage    Buffered Voltage    Unbuffered Current    Unbuffered Current   
-0.5    -5    -5    -5    -2    -2   
0.5    10    10    10    2    2   
0.1    5    5    5    0.1    0.1   
Ext    Ext    Ext    Ext    Ext    Ext   
Catalog    Catalog    Catalog    Military    Catalog    Catalog   
20PDIP
20PLCC
20SO
20SOIC
20TSSOP   
24SOIC    20PDIP
20SOIC   
20LCCC    16PDIP
16SO
16SOIC
16TSSOP
20PLCC   
20PDIP
20SOIC   
-25 to 85
-40 to 85
0 to 70   
-25 to 85
0 to 70   
-40 to 85
0 to 70   
-55 to 125    -25 to 85
-40 to 85
0 to 70   
0 to 70   
N/A    N/A    N/A    N/A    N/A    N/A   

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