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DAC7578SPW Datasheet(PDF) 35 Page - Texas Instruments

Part # DAC7578SPW
Description  8-/10-/12-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output, Two-Wire Interface Digital-to-Analog Converters
PDF  60 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

DAC7578SPW Datasheet(HTML) 35 Page - Texas Instruments

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DAC5578
DAC6578
DAC7578
www.ti.com
SBAS496B – MARCH 2010 – REVISED AUGUST 2012
Table 14. Control Matrix for Write Commands (see Table 10, Table 11, and Table 12 for 8-bit, 10-bit, and 12-bit mapping) (continued)
COMMAND AND ACCESS BYTE
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT DATA BYTE
DESCRIPTION
C3
C2
C1
C0
A3
A2
A1
A0
DATA[7:0]
X
X
X
X
X
X
X
X
General data format for 8-bit DAC5578
C3
C2
C1
C0
A3
A2
A1
A0
DATA[9:2]
D1
D0
X
X
X
X
X
X
General data format for 10-bit DAC6578
C3
C2
C1
C0
A3
A2
A1
A0
DATA[11:4]
D3
D2
D1
D0
X
X
X
X
General data format for 12-bit DAC7578
0
0
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Invalid code, no action performed
Broadcast mode, write to all input registers and update
0
0
1
1
1
1
1
1
Data[11:4]
Data[3:0]
X
X
X
X
all DAC registers
Write to Selected DAC Input Register and Update All DAC Registers (Global Software LDAC)
Write to DAC input register for channel A and update all
0
0
1
0
0
0
0
0
Data[11:4]
Data[3:0]
X
X
X
X
DAC registers
Write to DAC input register for channel B and update all
0
0
1
0
0
0
0
1
Data[11:4]
Data[3:0]
X
X
X
X
DAC registers
Write to DAC input register for channel C and update all
0
0
1
0
0
0
1
0
Data[11:4]
Data[3:0]
X
X
X
X
DAC registers
Write to DAC input register for channel D and update all
0
0
1
0
0
0
1
1
Data[11:4]
Data[3:0]
X
X
X
X
DAC registers
Write to DAC input register for channel E and update all
0
0
1
0
0
1
0
0
Data[11:4]
Data[3:0]
X
X
X
X
DAC registers
Write to DAC input register for channel F and update all
0
0
1
0
0
1
0
1
Data[11:4]
Data[3:0]
X
X
X
X
DAC registers
Write to DAC input register for channel G and update all
0
0
1
0
0
1
1
0
Data[11:4]
Data[3:0]
X
X
X
X
DAC registers
Write to DAC input register for channel H and update all
0
0
1
0
0
1
1
1
Data[11:4]
Data[3:0]
X
X
X
X
DAC registers
0
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Invalid code, no action performed
Broadcast mode, write to all input registers and update
0
0
1
0
1
1
1
1
Data[11:4]
Data[3:0]
X
X
X
X
all DAC registers
Power-Down Register
0
1
0
0
X
X
X
X
X
PD1
PD0
DAC H
DAC G
DAC F
DAC E
DAC D
DAC C
DAC B
DAC A
X
X
X
X
X
0
1
0
0
X
X
X
X
X
0
0
DAC H
DAC G
DAC F
DAC E
DAC D
DAC C
DAC B
DAC A
X
X
X
X
X
Each DAC bit set to '1' powers on selected DACs
Each DAC bit set to '1' powers down selected DACs.
0
1
0
0
X
X
X
X
X
0
1
DAC H
DAC G
DAC F
DAC E
DAC D
DAC C
DAC B
DAC A
X
X
X
X
X
VOUT connected to GND through 1kΩ pull-down resistor
Each DAC bit set to '1' powers down selected DACs.
0
1
0
0
X
X
X
X
X
1
0
DAC H
DAC G
DAC F
DAC E
DAC D
DAC C
DAC B
DAC A
X
X
X
X
X
VOUT connected to GND through 100kΩ pull-down
resistor
Each DAC bit set to '1' powers down selected DACs.
0
1
0
0
X
X
X
X
X
1
1
DAC H
DAC G
DAC F
DAC E
DAC D
DAC C
DAC B
DAC A
X
X
X
X
X
VOUT is High Z
Clear Code Register
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
CL1
CL0
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
X
X
X
X
Write to clear code register, CLR pin clears to zero scale
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
Write to clear code register, CLR pin clears to midscale
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
0
X
X
X
X
Write to clear code register, CLR pin clears to full scale
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
X
X
X
X
Write to clear code register disables CLR pin
LDAC Register
Copyright © 2010–2012, Texas Instruments Incorporated
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Product Folder Link(s): DAC5578 DAC6578 DAC7578



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