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| 型号： | DC1010A-A |
| 厂商： | Linear Technology |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2493 |
| 软件下载： | QuikEval System |
| 设计资源： | DC1010A Design File DC1010A Schematic |
| 标准包装： | 1 |
| 系列： | Easy Drive™, QuikEval™ |
| ADC 的数量： | 1 |
| 位数： | 24 |
| 采样率（每秒）： | 15 |
| 数据接口： | I²C，串行 |
| 已用 IC / 零件： | LTC2493 |
| 已供物品： | 板 |
| 相关产品： | LTC2493IDE#TRPBF-ND - IC ADC 24BIT DELTA SIG 14-DFN LTC2493CDE#TRPBF-ND - IC ADC 24BIT DELTA SIG 14-DFN LTC2493CDE#PBF-ND - IC ADC 24BIT DELTA SIG 14-DFN LTC2493IDE#PBF-ND - IC ADC 24BIT DELTA SIG 14-DFN |
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LTC2493
1
2493fd
Typical applicaTion
FeaTures
applicaTions
DescripTion
24-Bit 2-/4-Channel
DS ADC with Easy Drive Input Current
Cancellation and I2C Interface
TheLTC2493isa4-channel(2-channeldifferential),24-bit,
No Latency ∑TM ADC with Easy Drive technology and a
2-wire, I2C interface. The patented sampling scheme elimi-
nates dynamic input current errors and the shortcomings
of on-chip buffering through automatic cancellation of
differential input current. This allows large external source
impedances and rail-to-rail input signals to be directly digi-
tized while maintaining exceptional DC accuracy.
The LTC2493 includes a high accuracy temperature
sensor and an integrated oscillator. This device can be
configured to measure an external signal (from combi-
nations of 4 analog input channels operating in single-
ended or differential modes) or its internal temperature
sensor.Theintegratedtemperaturesensoroffers1/30th°C
resolution and 2°C absolute accuracy.
The LTC2493 allows a wide common mode input range
(0V to VCC), independent of the reference voltage. Any
combination of single-ended or differential inputs can
be selected and the first conversion, after a new channel
is selected, is valid. Access to the multiplexer output en-
ables optional external amplifiers to be shared between all
analog inputs and auto-calibration continuously removes
their associated offset and drift.
Data Acquisition System with Temperature Compensation
n
Up to 2 Differential or 4 Single-Ended Inputs
n
Easy DriveTM Technology Enables Rail-to-Rail
Inputs with Zero Differential Input Current
n
Directly Digitizes High Impedance Sensors with
Full Accuracy
n
2-Wire I2C Interface with 9 Addresses Plus One
Global Address for Synchronization
n
600nV RMS Noise
n
Integrated High Accuracy Temperature Sensor
n
GND to VCC Input/Reference Common Mode Range
n
Programmable 50Hz, 60Hz or Simultaneous
50Hz/60Hz Rejection Mode
n
2ppm INL, No Missing Codes
n
1ppm Offset and 15ppm Full-Scale Error
n
2× Speed/Reduced Power Mode (15Hz Using Internal
Oscillator and 80A at 7.5Hz Output)
n
No Latency: Digital Filter Settles in a Single Cycle,
Even After a New Channel Is Selected
n
Single Supply 2.7V to 5.5V Operation (0.8mW)
n
Internal Oscillator
n
Tiny 4mm × 3mm DFN Package
n
Direct Sensor Digitizer
n
Direct Temperature Measurement
n
Instrumentation
n
Industrial Process Control
TEMPERATURE
SENSOR
SDA
SCL
fO
REF+
VCC
2.7V TO 5.5V
0.1F
COM
REF–
24-BIT ∑ ADC
WITH EASY-DRIVE
4-CHANNEL
MUX
IN+
IN–
2493 vTA01a
2-WIRE
I2C INTERFACE
1.7k
CA1
CA0
9-PIN SELECTABLE
ADDRESSES
CH0
CH1
CH3
CH2
10F
OSC
Integrated High Performance Temperature Sensor
TEMPERATURE (°C)
–55 –30
–5
ABSOLUTE
ERROR
(°C)
5
4
3
2
1
–4
–3
–2
–1
0
120
95
70
45
20
2493 TA02
–5
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
No Latency DS and Easy Drive are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1010A-B | 功能描述:BOARD DELTA SIGMA ADC LTC2489 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 |
| DC1010A-C | 功能描述:BOARD DELTA SIGMA ADC LTC2487 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 |
| DC1010CA | 制造商:DIGITAL 功能描述: |
| DC1010EL07 WAF | 制造商:ON Semiconductor 功能描述: |
| DC-101-1 | 制造商:INTRONICS 制造商全称:INTRONICS 功能描述:1 WATT SINGLE OUTPUT DC-DC CONVERTERS |
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