offset. The RVO" />
參數(shù)資料
型號(hào): DC1111A
廠商: Linear Technology
文件頁(yè)數(shù): 8/24頁(yè)
文件大?。?/td> 0K
描述: BOARD DAC LTC2753-16
軟件下載: QuikEval System
設(shè)計(jì)資源: DC1111A Design File
DC1111A 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: 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: LTC2753-16
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LTC2753
16
2753f
System Offset Adjustment
Many systems require compensation for overall system
offset. The RVOSA and RVOSB 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 LTC2753, drive this pin with a
Thevenin-equivalent impedance of 10k or less. Short any
unused system offset adjustment pins to IOUT2.
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
DAC CHANNEL
A1
A0
A0
0
B0
1
ALL*
1
Codes not shown are reserved and should not be used.
*If readback is taken using the All DACs address, the LTC2753 defaults to
DAC A.
OPERATION
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