MP7528LS datasheet(9/16 Pages) EXAR

部品番号	MP7528LS

部品情報	CMOS Dual Buffered Multiplying 8-Bit Digital-to-Analog Converter

PDF	16 Pages

Scroll/Zoom	100%

メーカー	EXAR [Exar Corporation]

ホームページ	http://www.exar.com

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9 / 16 page

MP7528

Rev. 2.00

MICROPROCESSOR INTERFACE

DAC A

DAC B

Data Bus

DB0

DB7

Address

Decode

Logic

A0-A15

φ2

D0–D7

A+1**

MP7528

CPU

6800

Analog circuitry has been omitted for clarity

*A = Decoded 7528 DAC A Address

**A + 1 = Decoded 7528 DAC B Address

Figure 2. MP7528 Dual DAC to 6800

CPU Interface

DAC A

DAC B

ADDR/Data Bus

DB0

DB7

A8-A15

AD0–AD7

Address

Decode

Logic

A+1**

MP7528

CPU

8085

Figure 3. MP7528 Dual DAC to 8085

CPU Interface

Latch

8212

ALE

NOTE:

8085 instruction SHLD (store H & L direct) can update

both DACS with data from H and L registers

Analog circuitry has been omitted for clarity

*A = Decoded 7528 DAC A Address

**A + 1 = Decoded 7528 DAC B Address

VMA

Address Bus

DACA/DACB

PERFORMANCE CHARACTERISTICS

Graph 1. Relative Accuracy vs. Digital Code

5 V

Graph 2. Relative Accuracy vs. Digital Code

15 V

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