offset. The RVO" />
參數(shù)資料
型號(hào): DC1112A
廠商: Linear Technology
文件頁數(shù): 8/24頁
文件大?。?/td> 0K
描述: BOARD DAC LTC2755-16
軟件下載: QuikEval System
設(shè)計(jì)資源: DC1112A Design File
DC1112A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: QuikEval™, SoftSpan™
DAC 的數(shù)量: 4
位數(shù): 16
數(shù)據(jù)接口: 并聯(lián)
設(shè)置時(shí)間: 2µs
DAC 型: 電流
工作溫度: 0°C ~ 70°C
已供物品:
已用 IC / 零件: LTC2755-16
相關(guān)產(chǎn)品: DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER
LTC2755BIUP-16#TRPBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755BIUP-16#PBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755BCUP-16#TRPBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755BCUP-16#PBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755AIUP-16#TRPBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755AIUP-16#PBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755ACUP-16#TRPBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755ACUP-16#PBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755
16
2755f
System Offset Adjustment
Many systems require compensation for overall system
offset. The RVOSX offset adjustment pins are provided for
this purpose. For noise immunity and ease of adjustment,
the control voltage is attenuated to the DAC output:
VOS = –0.01 V(RVOSX) [0V to 5V, ±2.5V spans]
VOS = –0.02 V(RVOSX) [0V to 10V, ±5V, –2.5V to 7.5V
spans]
VOS = –0.04 V(RVOSX) [±10V span]
The nominal input range of this pin is ±5V; other reference
voltages of up to ±15V may be used if needed. The RVOSX
pins have an input impedance of 1MΩ. To preserve the
settling performance of the LTC2755, drive this pin with a
Thevenin-equivalent impedance of 10k or less. Short any
unused RVOSX system offset adjustment pins to GND.
Table 2. Span Codes
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
1
0
Bipolar –2.5V to 2.5V
1
0
1
Bipolar –2.5V to 7.5V
Codes not shown are reserved and should not be used.
Table 3. Address Codes
A2
A1
A0
DAC CHANNEL
0
DAC A
0
1
DAC B
0
1
0
DAC C
0
1
DAC D
1
ALL DACs*
Codes not shown are reserved and should not be used.
*If readback is taken using the ALL DACs address, the LTC2755 defaults
to DAC A.
OPERATION
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