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AD5370BSTZ

更新时间: 2024-11-09 04:30:39
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24页 287K
描述
40-Channel, 16-Bit, Serial Input, Voltage-Output DACs

AD5370BSTZ 数据手册

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40-Channel, 16-Bit, Serial Input,  
Voltage-Output DACs  
Preliminary Technical Data  
AD5370  
DSP/microcontroller-compatible serial interface  
2.5 V to 5.5 V JEDEC-compliant digital levels  
Power-on reset  
FEATURES  
40-channel DAC in 64 Lead LFCSP and LQFP  
Guaranteed monotonic to 16 bits  
Digital reset (RESET)  
Maximum output voltage span of 4 × VREF (20 V)  
Nominal output voltage range of -4 V to +8 V  
Multiple, independent output span available  
System calibration function allowing user-programmable  
offset and gain  
Clear function to user-defined SIGGND (CLR pin)  
Simultaneous update of DAC outputs (LDAC pin)  
Channel grouping and addressing features  
Thermal Monitor Function  
APPLICATIONS  
Level setting in automatic test equipment (ATE)  
Variable optical attenuators (VOA)  
Optical switches  
Industrial control systems  
Instrumentation  
FUNCTIONAL BLOCK DIAGRAM  
DVCC  
VDD  
VSS  
AGND DNGD  
LDAC  
VREF0  
GROUP 0  
BUFFER  
16  
CONTROL  
REGISTER  
14  
16  
14  
16  
OFFSET  
DAC 0  
OFS0  
REGISTER  
8
8
A/B SELECT  
REGISTER  
TO  
MUX 2's  
BUFFER  
OUTPUT BUFFER  
AND POWER  
DOWN CONTROL  
VOUT0  
VOUT1  
VOUT2  
VOUT3  
VOUT4  
VOUT5  
VOUT6  
VOUT7  
16  
16  
16  
X2A REGISTER  
DAC 0  
REGISTER  
16  
A/B  
MUX  
2
DAC 0  
X1 REGISTER  
MUX  
X2B REGISTER  
16  
16  
·
·
·
·
·
·
M REGISTER  
C REGISTER  
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
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16  
·
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16  
·
·
·
·
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·
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·
·
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·
·
·
OUTPUT BUFFER  
AND POWER  
16  
16  
16  
16  
X2A REGISTER  
SERIAL  
INTERFACE  
16  
DAC 7  
A/B  
MUX  
2
SYNC  
SDI  
DAC 7  
X1 REGISTER  
DOWN CONTROL  
SIGGND0  
REGISTER  
MUX  
X2B REGISTER  
16  
16  
M REGISTER  
C REGISTER  
16  
SCLK  
SDO  
VREF1  
GROUP 1  
14  
16  
14  
16  
OFFSET  
DAC 1  
OFS1  
REGISTER  
BUSY  
8
8
TO  
MUX 2's  
A/B SELECT  
REGISTER  
BUFFER  
RESET  
CLR  
OUTPUT BUFFER  
AND POWER  
DOWN CONTROL  
VOUT8  
16  
16  
16  
X2A REGISTER  
16  
DAC 0  
REGISTER  
A/B  
MUX  
2
DAC 0  
X1 REGISTER  
VOUT9  
MUX  
X2B REGISTER  
16  
16  
VOUT10  
VOUT11  
VOUT12  
VOUT13  
VOUT14  
VOUT15  
M REGISTER  
C REGISTER  
·
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STATE  
MACHINE  
16  
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16  
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16  
OUTPUT BUFFER  
AND POWER  
·
16  
16  
16  
POWER-ON  
RESET  
16  
X2A REGISTER  
DAC 7  
16  
A/B  
MUX  
2
DAC 7  
X1 REGISTER  
DOWN CONTROL  
SIGGND1  
REGISTER  
MUX  
X2B REGISTER  
16  
16  
M REGISTER  
C REGISTER  
16  
AD5370  
VREF1 SUPPLIES  
GROUP 1 TO GROUP 4  
VOUT16  
TO  
VOUT39  
GROUP 2 TO GROUP 4  
ARE IDENTICAL TO GROUP 1  
5370-0001C  
SIGGND3  
SIGGND4  
SIGGND2  
Figure 1.  
AD5370—Protected by U.S. Patent No. 5,969,657; other patents pending  
Rev. PrF  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2006 Analog Devices, Inc. All rights reserved.  

AD5370BSTZ 替代型号

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