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| 型号： | LTC2483CDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 19/34页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT I2C 10-DFN |
| 标准包装： | 2,500 |
| 位数： | 16 |
| 采样率（每秒）： | 6.8 |
| 数据接口： | I²C，串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 480µW |
| 电压电源： | 单电源 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN（3x3） |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个差分，双极 |
| 配用： | DC955A-ND - BOARD DELTA SIGMA ADC LTC2483 |
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LTC2483
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2483IDD#PBF | 功能描述:IC ADC 16BIT I2C 10-DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
| LTC2483IDD#TRPBF | 功能描述:IC ADC 16BIT I2C 10-DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率（每秒）:15 数据接口:MICROWIRE?，串行，SPI? 转换器数目:1 功率耗散（最大）:480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN（5x7） 包装:带卷 (TR) 输入数目和类型:16 个单端，双极；8 个差分，双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| LTC2484CDD | 制造商:Linear Technology 功能描述:ADC Single Delta-Sigma 7.5sps 24-bit Serial 10-Pin DFN EP |
| LTC2484CDD#PBF | 功能描述:IC ADC 24BIT 10-DFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
| LTC2484CDD#TR | 制造商:Linear Technology 功能描述:ADC Single Delta-Sigma 7.5sps 24-bit Serial 10-Pin DFN EP T/R |
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