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

TLC7528
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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

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Part number Order Resolution (Bits) Architecture DAC channels Interface Output range (Max) (mA/V) Output range (Min) (mA/V) Settling time (µs) Output type Reference: type Rating Operating temperature range (C) Features
TLC7528 Order now 8     Multiplying DAC     2     Parallel     0.5     -0.5     0.1     Unbuffered Current     Ext     Catalog     -25 to 85
-40 to 85
0 to 70    
   
TLC7225 Order now 8     R-2R     4     Parallel     10     -5     5     Buffered Voltage     Ext     Catalog     -25 to 85
0 to 70    
   
TLC7226 Order now 8     R-2R     4     Parallel     10     -5     5     Buffered Voltage     Ext     Catalog     -40 to 85
0 to 70    
   
TLC7226M Samples not available 8     R-2R     4     Parallel     10     -5     5     Buffered Voltage     Ext     Military     -55 to 125        
TLC7524 Order now 8     Multiplying DAC     1     Parallel     2     -2     0.1     Unbuffered Current     Ext     Catalog     -25 to 85
-40 to 85
0 to 70    
   
TLC7628 Samples not available 8     Multiplying DAC     2     Parallel     2     -2     0.1     Unbuffered Current     Ext     Catalog     0 to 70