MP7651 데이터 시트보기 (PDF) - Exar Corporation

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MP7651

8-Channel, Voltage Output 10 MHz Input Bandwidth 8-Bit Multiplying DACs with Serial Digital Data Port and Chip Select Decoder

Exar Corporation 

MP7651

SDI 1

(Data In) 0

CLK 1

0

LD 1

0

VOUT

CS3S CS2S CS1S CS0S A3 A2 A1 A0 D7 D6

Figure 1. Serial Data Timing and Loading

D0

DAC Register

Loaded

SDI 1

0

SDO 1

0

CSOP-CS3P 1

0

1

CLK

0

LD 1

0

+5 V

VOUT

0V

tDS

tDH

tPD

tCSLD

tHZ1

tHZ2

HIGH Z

tCH

tCL

tCKLD2

tCKLD1

tLDSU

tLDCK1

tLDCK2

tLD

tSD

+ 1/2 LSB BAND

Figure 2. Detail Serial Data Input Timing (RST = “1”)

RST 1

0

VO = VREF

VO = VREF/2

Rev. 2.00

tRST

tSD

+ 1/2 LSB ERROR BAND

Figure 3. RESET Operation

6

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