參數(shù)資料
型號(hào)： DC955A
廠商： Linear Technology
文件頁(yè)數(shù)： 19/34頁(yè)
文件大?。?/td> 0K
描述： BOARD DELTA SIGMA ADC LTC2483
軟件下載： QuikEval System
設(shè)計(jì)資源： DC955A Design File
DC955A Schematic
標(biāo)準(zhǔn)包裝： 1
系列： Easy Drive™, QuikEval™
ADC 的數(shù)量： 1
位數(shù)： 16
采樣率（每秒）： 6.8
數(shù)據(jù)接口： I²C，串行
工作溫度： 0°C ~ 70°C
已用 IC / 零件： LTC2483
已供物品： 板
相關(guān)產(chǎn)品： LTC2483IDD#TRPBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483CDD#TRPBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483IDD#PBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483CDD#PBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483
2483fc
The user can expect to achieve this level of performance
using the internal oscillator as it is demonstrated by
Figures 30, 31 and 32. Typical measured values of the
normal mode rejection of the LTC2483 operating with an
external oscillator and a 60Hz notch setting are shown
in Figure 30 superimposed over the theoretical calcu-
lated curve. Similarly, the measured normal rejection
of the LTC2483 for 50Hz rejection (fEOSC = 256kHz) and
50Hz/60Hz rejection (internal oscillator) are shown in
Figures 31 and 32.
As a result of these remarkable normal mode specifica-
tions, minimal (if any) antialias filtering is required in front
of the LTC2483. If passive RC components are placed in
front of the LTC2483, the input dynamic current should be
considered (see the Input Current section). In this case,
the differential input current cancellation feature of the
LTC2483 allows external RC networks without significant
degradation in DC performance.
Traditional high order delta-sigma modulators, while pro-
vidingverygoodlinearityandresolution,sufferfrompoten-
tial instabilities at large input signal levels. The proprietary
architecture used for the LTC2483 third order modulator
applicaTions inFormaTion
resolves this problem and guarantees a predictable stable
behavior at input signal levels of up to 150% of full-scale.
Inmanyindustrialapplications,itisnotuncommontohave
to measure microvolt level signals superimposed on volt
level perturbations and the LTC2483 is eminently suited
for such tasks. When the perturbation is differential, the
specification of interest is the normal mode rejection for
largeinputsignallevels.WithareferencevoltageVREF = 5V,
the LTC2483 has a full-scale differential input range of
5V peak-to-peak. Figures 33 and 34 show measurement
results for the LTC2483 normal mode rejection ratio with
a 7.5V peak-to-peak (150% of full-scale) input signal
superimposed over the more traditional normal mode
rejection ratio results obtained with a 5V peak-to-peak
(full-scale) input signal. In Figure 33, the LTC2483 uses
the external oscillator with the notch set at 60Hz and in
Figure 34 it uses the external oscillator with the notch set
at 50Hz. It is clear that the LTC2483 rejection performance
is maintained with no compromises in this extreme situ-
ation. When operating with large input signal levels, the
user must observe that such signals do not violate the
device absolute maximum ratings.
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參數(shù)描述
DC956A 功能描述:BOARD DELTA SIGMA ADC LTC2485 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:Easy Drive™, QuikEval™ 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
DC959A 制造商:Linear Technology 功能描述:BOARD DEMO LTC4257-1 制造商:Linear Technology 功能描述:EVAL BOARD, LTC4257CDD-1 POE
DC95F103V 功能描述:熱敏電阻 - NTC 10KOhms +-.1C Epoxy Coated RoHS:否 制造商:EPCOS 電阻:10 kOhms 功率額定值:150 mW 容差:2 % 端接類型:Radial 系列:B57703M 工作溫度范圍:- 55 C to + 125 C
DC95F103VN 制造商:GE Sensing & Inspection Technologies 功能描述:Thermistor;10;PCB Mount Mtg. Type;1.5In Lead;Bare Tinned Copper 制造商:GE Measurement & Control 功能描述:+/-.1oC (0oC - 70oC) Interchangeable Chip
DC95F103W 功能描述:熱敏電阻 - NTC 10KOhms +-.2C Epoxy Coated RoHS:否 制造商:EPCOS 電阻:10 kOhms 功率額定值:150 mW 容差:2 % 端接類型:Radial 系列:B57703M 工作溫度范圍:- 55 C to + 125 C
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