MP7611 查看數據表（PDF） - Exar Corporation

零件编号

产品描述 (功能)

比赛名单

MP7611

Octal 14-Bit DAC Array™ D/A Converter with Output Amplifier and Parallel Data/Address mP Control Logic

Exar Corporation 

MP7611

A0 to A2 3

3-8

8

Decoder

8

To first latch bank enable

LD1

8

CS

8

To switches across the first latch

bank for readback enable

RD

LD2

To second latch bank enable

R1

To reset all first latch bank

R2

To reset all second latch bank

Figure 4. Simplified Parallel Logic Port

Hex Code

OOOO

Binary Code

00000000000000

Output Voltage = 2 · Vr (--1 + 2·D )

(Vr = +5 V)

16384

10 · (--1 + 0) = --10

1FFF

2OOO

2OO1

01111111111111

10000000000000

10000000000001

10 · (--1 +1166338824 ) = --1.22 mV

10

·

(--1

+16384

16384

)

=

0

10

·

(--1

+16386 )

16384

=

1.22

mV

3FFF

11111111111111

10

·

(--1

+32766

16384

)

=

9.99878

Table 2. MP7611

Ideal DAC Output vs. Input Code

Note: See Electrical Characteristics for real system accuracy

Rev. 3.01

9

Share Link: