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参数资料
| 型号： | DC955A |
| 厂商： | Linear Technology |
| 文件页数： | 1/34页 |
| 文件大小： | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2483 |
| 软件下载： | QuikEval System |
| 设计资源： | DC955A Design File DC955A Schematic |
| 标准包装： | 1 |
| 系列： | Easy Drive™, QuikEval™ |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 6.8 |
| 数据接口： | I²C，串行 |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2483 |
| 已供物品： | 板 |
| 相关产品： | 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 |
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LTC2483
2483fc
Typical applicaTion
DescripTion
16-Bit
Σ ADC with Easy Drive
Input Current Cancellation
and I2C Interface
The LTC 2483 combines a 16-bit plus sign No Latency
∑ analog-to-digital converter with patented Easy Drive
technologyandI2Cdigitalinterface.Thepatentedsampling
scheme eliminates dynamic input current errors and the
shortcomings of on-chip buffering through automatic
cancellation of differential input current. This allows large
externalsourceimpedancesandinputsignals,withrail-to-
rail input range to be directly digitized while maintaining
exceptional DC accuracy.
The LTC2483 allows a wide common mode input range
(0V to VCC) independent of the reference voltage. The
reference can be as low as 100mV or can be tied directly
to VCC. The noise level is 600nVRMS independent of VREF.
This allows direct digitization of low level signals with
16-bitaccuracy.TheLTC2483includesanon-chiptrimmed
oscillator, eliminating the need for external crystals or
oscillators and provides 87dB rejection of 50Hz and 60Hz
line frequency noise. Absolute accuracy and low drift are
automaticallymaintainedthroughcontinuous,transparent,
offset and full-scale calibration.
+FS Error vs RSOURCE at IN+ and IN–
FeaTures
applicaTions
n
Easy Drive Technology Enables Rail-to-Rail
Inputs with Zero Differential Input Current
n
Directly Digitizes High Impedance Sensors with
Full Accuracy
n
600nVRMS Noise, Independent of VREF
n
GND to VCC Input/Reference Common Mode Range
n
2-Wire I2C Interface
n
Simultaneous 50Hz/60Hz Rejection
n
2ppm (0.25 LSB) INL, No Missing Codes
n
1ppm Offset and 15ppm Full-Scale Error
n
No Latency: Digital Filter Settles in a Single Cycle
n
Single Supply 2.7V to 5.5V Operation
n
Internal Oscillator
n
Six Addresses Available
n
Available in a Tiny (3mm
× 3mm) 10-Lead
DFN Package
n
Direct Sensor Digitizer
n
Weight Scales
n
Direct Temperature Measurement
n
Strain Gauge Transducers
n
Instrumentation
n
Industrial Process Control
n
DVMs and Meters
LTC2483
VIN+
REF+
VCC
GND
VIN–
1F
SDA
2-WIRE
I2C INTERFACE
0.1F
10k
IDIFF = 0
10k
0.1F
CA0/F0
2483 TA01
CA1
SCL
6 ADDRESSES
REF–
SENSE
RSOURCE ()
1
+FS
ERROR
(ppm)
–20
0
20
1k
100k
–40
–60
–80
10
100
10k
40
60
80
VCC = 5V
VREF = 5V
VIN+ = 3.75V
VIN– = 1.25V
FO = GND
TA = 25°C
CIN = 1F
2483 TA02
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
No Latency ∑ and Easy Drive are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners. Patents pending.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC956A | 功能描述:BOARD DELTA SIGMA ADC LTC2485 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:Easy Drive™, QuikEval™ 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| 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:热敏电阻 - NTC 10KOhms +-.1C Epoxy Coated RoHS:否 制造商:EPCOS 电阻:10 kOhms 功率额定值:150 mW 容差:2 % 端接类型:Radial 系列:B57703M 工作温度范围:- 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:热敏电阻 - NTC 10KOhms +-.2C Epoxy Coated RoHS:否 制造商:EPCOS 电阻:10 kOhms 功率额定值:150 mW 容差:2 % 端接类型:Radial 系列:B57703M 工作温度范围:- 55 C to + 125 C |
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