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AD9726 Datasheet(PDF) 9 Page - Analog Devices

Part # AD9726
Description  16-Bit, 600 MSPS D/A Converter
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9726 Datasheet(HTML) 9 Page - Analog Devices

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AD9726
Rev. A | Page 9 of 24
Pin
No.
Mnemonic
Description
43
DB4−
Data Bit 4 Complement
44
DB3+
Data Bit 3 True
45
DB3−
Data Bit 3 Complement
46
DB2+
Data Bit 2 True
47
DB2−
Data Bit 2 Complement
48
DB1+
Data Bit 1 True
49
DB1−
Data Bit 1 Complement
50
DB0+
Data Bit 0 True
51
DB0−
Data Bit 0 Complement
52
DVDD
Digital Supply Voltage
53
DGND
Digital Supply Common
54
SDO (SYNCALRM)
SPI Data Output (SYNCALRM)2
55
SDIO
SPI Data Input/Output3
56
SCLK (SYNCUPD)
SPI Clock Input (SYNCUPD)4
57
CSB
SPI Chip Select Bar (Active Low)
58
RESET
Hardware Reset (Active High)
59
REFIO
Internal Reference Input/Output5
60
FSADJ
Output Current Full-Scale Adjust6
61
SDR_EN
Single Data Rate Mode Enable7
62
ADVDD
Analog Supply Voltage
63
ADGND
Analog Supply Common
64
ACVDD
Analog Supply Voltage
65
ACGND
Analog Supply Common
Pin
No.
Mnemonic
Description
66
AVDD2
Analog Supply Voltage
67
AGND2
Analog Supply Common
68
AVDD1
Analog Supply Voltage
69
AGND1
Analog Supply Common
70
IOUTB
Analog Current Output Complement
71
IOUTA
Analog Current Output True
72
AGND1
Analog Supply Common
73
AVDD1
Analog Supply Voltage
74
AGND2
Analog Supply Common
75
AVDD2
Analog Supply Voltage
76
ACGND
Analog Supply Common
77
ACVDD
Analog Supply Voltage
78
ADGND
Analog Supply Common
79
ADVDD
Analog Supply Voltage
80
SPI_DIS
Serial Port Interface Disable8
1 Nominally 1 kΩ to DBGND (may be omitted if data clock output is unused).
2 SDO is output in 4-wire SPI mode and three-state in 3-wire SPI mode. If SPI is
disabled (SPI_DIS = ADVDD), alternate pin function is SYNCALRM output.
3 SDIO is input only in 4-wire SPI mode and bidirectional in 3-wire SPI mode.
4 If SPI is disabled (SPI_DIS = ADVDD), alternate pin function is SYNCUPD.
5 Bypass with 0.1 µF to AGND1. Use buffer amp to drive external circuitry.
Limit output current to 1 µA. Apply external reference to this pin.
6 Nominally 2 kΩ to AGND1 for 20 mA full-scale output (internal reference).
7 If SPI is disabled, tie pin to ADVDD to enable SDR. Otherwise, tie to ADGND.
8 Tie pin to ADVDD to disable SPI; otherwise, tie to ADGND.



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