MP7613BE View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

MP7613BE

Octal 12-Bit DAC Array™ D/A Converter with Output Amplifier and Parallel Data/Address µP Control Logic

Exar Corporation 

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MP7613

Hex Code

000

Binary Code

000000000000

Output Voltage = 2 • Vr (–1 + 2•D )

(Vr = +5 V)

4096

10 • (–1 + 0) = –10

7FF

800

801

011111111111

100000000000

100000000001

10 • (–1 + 4094 ) = –4.88 mV

4096

10 • (–1 + 4096 ) = 0

4096

10 • (–1 + 4098 ) = 4.88 mV

4096

FFF

111111111111

10 • (–1 + 8190 ) = 9.99512

4096

Table 2. MP7613

Ideal DAC Output vs. Input Code

Note: See Electrical Characteristics on pages 28-30 for real system accuracy

A0 to A15

AS

µP

R

DB0 to DB16

16

3

Address

Decoder

From System Reset

From System Reset

12 or 14

A0 to A2

LD1

R1

R2

DB0 to DB11

or DB13

Figure 5. Parallel µP Interface

Rev. 2.00

9

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