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參數(shù)資料
| 型號： | DC1684A-B |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD DAC LTC2752 |
| 軟件下載： | QuikEval System |
| 設(shè)計(jì)資源： | DC1684A Design File DC1684A Schematic |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | QuikEval™, SoftSpan™ |
| DAC 的數(shù)量： | 2 |
| 位數(shù)： | 16 |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 設(shè)置時(shí)間： | 2µs |
| DAC 型： | 電流 |
| 工作溫度： | 0°C ~ 70°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTC2752 |
| 相關(guān)產(chǎn)品： | DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER LTC2752BILX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752AILX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752BCLX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752ACLX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP |
LTC2752
2752f
operaTion
Table 1. Command Codes
CODE
COMMAND
READBACK POINTER–
CURRENT INPUT WORD W0
READBACK POINTER–
NEXT INPUT WORD W+1
C3
C2
C1
C0
0
1
0
Write Span DAC n
Set by Previous Command
Input Span Register DAC n
0
1
Write Code DAC n
Set by Previous Command
Input Code Register DAC n
0
1
0
Update DAC n
Set by Previous Command
DAC Span Register DAC n
0
1
0
1
Update All DACs
Set by Previous Command
DAC Code Register DAC n
0
1
0
Write Span DAC n
Update DAC n
Set by Previous Command
DAC Span Register DAC n
0
1
Write Code DAC n
Update DAC n
Set by Previous Command
DAC Code Register DAC n
1
0
Write Span DAC n
Update All DACs
Set by Previous Command
DAC Span Register DAC n
1
0
1
Write Code DAC n
Update All DACs
Set by Previous Command
DAC Code Register DAC n
1
0
1
0
Read Input Span Register DAC n
Input Span Register DAC n
1
0
1
Read Input Code Register DAC n
Input Code Register DAC n
1
0
Read DAC Span Register DAC n
DAC Span Register DAC n
1
0
1
Read DAC Code Register DAC n
DAC Code Register DAC n
1
No Operation
Set by Previous Command
DAC Code Register DAC n
–
System Clear
–
DAC Span Register DAC A
–
Initial Power-Up or Power Interupt
–
DAC Span Register DAC A
Codes not shown are reserved–do not use
Table 2. Address Codes
A3
A2
A1
A0
n
0
×
DAC A
0
1
×
DAC B
1
×
All DACs (Note 1)
Codes not shown are reserved–do not use.
× = Don’t Care.
Note 1. If readback is taken using the All DACs address, the LTC2752
defaults to DAC A.
Table 3. Span Codes
S3 S2 S1 S0 SPAN
0
Unipolar 0V to 5V
0
1
Unipolar 0V to 10V
0
1
0
Bipolar –5V to 5V
0
1
Bipolar –10V to 10V
0
1
0
Bipolar –2.5V to 2.5V
0
1
0
1
Bipolar –2.5V to 7.5V
Codes not shown are reserved–do not use
SDI
SRO
...
WRITE CODE
DAC A
READ
CODE INPUT
REGISTER DAC A
WRITE CODE
DAC B
READ
CODE INPUT
REGISTER DAC B
WRITE SPAN
DAC C
READ
SPAN INPUT
REGISTER DAC A
WRITE SPAN
DAC B
READ
SPAN INPUT
REGISTER DAC B
UPDATE
ALL DACs
READ
CODE DAC
REGISTER DAC A
...
2754 F04
Figure 4. Rolling Readback
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