CXD1171 데이터 시트보기 (PDF) - Harris Semiconductor

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CXD1171

8-Bit, 40 MSPS High Speed D/A Converter

Harris Semiconductor 

Typical Performance Curves

HI1171, CXD1171

2.0

1.9

VDD = 5.0V, VREF = 2.0V

R = 200Ω, 16R = 3.3kΩ

TA = +25oC

0

-25

0

25

50

75

AMBIENT TEMPERATURE (oC)

FIGURE 6. OUTPUT FULL SCALE VOLTAGE vs AMBIENT TEMPERATURE

Pin Description

24 PIN

SOIC

1-8

9

10, 13

11

12

14

15

16

17

18, 19, 22

20

21

23, 24

PIN

NAME

PIN DESCRIPTION

D0(LSB) thru Digital Data Bit 0, the Least Significant Bit thru Digital Data Bit 7, the Most Significant Bit

D7(MSB)

BLNK

Blanking Line, used to clear the internal data register to the zero condition when High, normal operation

when Low.

DVSS

VB

CLK

Digital Ground

Voltage Bias, connect a 0.1µF capacitor to DVSS

Data Clock Pin 100kHz to 40MHz

AVSS

IREF

VREF

VG

AVDD

IOUT1

IOUT2

DVDD

Analog Ground

Current Reference, used to set the current range. Connect a resistor to AVSS that is 16 times greater

than the resistor on IOUT1. (See Typical Applications Circuit)

Input Reference Voltage used to set the output full scale range.

Voltage Ground, connect a 0.1µF capacitor to AVDD.

Analog Supply 4.75V to 7V

Current Output Pin.

Current Output pin used for a virtual ground connection. Usually connected to AVSS

Digital Supply 4.75V to 7V

5

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