MP7641 查看數據表（PDF） - Exar Corporation

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MP7641

8-Channel Voltage Output 10 MHz Input Bandwidth 8-Bit Multiplying DACs with Serial Digital Port

Exar Corporation 

1

SDO

2

ADDRESS n

µPC

2n

WR

(SDI) DATA IN

CLK

VRI1 VOI1

VRI2 VOI2

MP7641

VRIm VOIm

IC (1)

MP7641

SDI LD SDO

IC (2)

MP7641

SDI LD SDO2

IC (m)

MP7641

SDI LD SDOm

Figure 9. Simplified Diagram

Configuration C

MP7641 EVALUATION BOARD

1.6 V p-p

27 VR0 VO0 26

28 VR1 VO1 1

3 VR2 VO2 2

4 VR3 VO3 5

12 VR4 VO4 11

13 VR5 VO5 14

16 VR6 VO6 15

17 VR7 VO7 18

Measurement

Buffer

Test Load

5k

20 pF

5 pF

1k

Rev. 2.00

9

DGND 10

AGND

MP7641

VOUT

All resistors = 50 Ω unless otherwise specified

Gain of all DACs set to 1 (no attenuation)

NOTE: See Graphs 1 through 8

Figure 10. Single Channel Crosstalk

13

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