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ADATE305 датащи(PDF) 47 Page - Analog Devices

номер детали ADATE305
подробное описание детали  250 MHz Dual Integrated DCL with Level Setting DACs, Per Pin PMU, and Per Chip VHH
PDF  56 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADATE305 датащи(HTML) 47 Page - Analog Devices

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ADATE305
Rev. 0 | Page 47 of 56
Step 2. Write to Register ADDR[4:0] = 0x0E (see Table 43).
Table 43.
Register
Bits
Setting
Comments
PMU State Register, ADDR[4:0] = 0x0E
DATA[9:8]
01
Set 2.5 V + DUTGND input selection
DATA[7]
X
DATA[6]
X
DATA[5]
X
DATA[4]
X
DATA[3]
1
Set to force current mode
DATA[2:0]
0XX
2 μA range has the minimum offset current
Step 3. Write to Register ADDR[4:0] = 0x0B (see Table 44).
Table 44.
Register
Bits
Setting
Comments
VIN 16-Bit DAC, ADDR[4:0] = 0x0B
DATA[15:0]
X
Update the VIN 16-Bit DAC register to the
desired value
Step 4. Write to Register ADDR[4:0] = 0x0E (see Table 45).
Table 45.
Register
Bits
Setting
Comments
PMU State Register, ADDR[4:0] = 0x0E
DATA[9:8]
1X
Set VIN input selection
DATA[7]
X
DATA[6]
X
DATA[5]
X
DATA[4]
X
DATA[3]
1
DATA[2:0]
XXX
Set to the desired current range
Transition from PMU Force Current Mode to PMU Force Voltage Mode
Step 1
. Table 46 lists the state of the registers in force current mode.
Table 46.
Register
Bits
Setting
PE/PMU Enable Register, ADDR[4:0] = 0x0C
DATA[2]
1
PMU State Register, ADDR[4:0] = 0x0E
DATA[9:8]
XX
DATA[7]
X
DATA[6]
X
DATA[5]
X
DATA[4]
X
DATA[3]
1
DATA[2:0]
XXX
Step 2
. Write to Register ADDR[4:0] = 0x0E (see Table 47).
Table 47.
Register
Bits
Setting
Comments
PMU State Register, ADDR[4:0] = 0x0E
DATA[9:8]
00
Set DUTGND input selection
DATA[7]
X
DATA[6]
X
DATA[5]
X
DATA[4]
X
DATA[3]
0
Set to force voltage mode
DATA[2:0]
XXX
Set to the desired current range



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